Combined transmission box and door and window thereof

Abstract

The invention provides a combined transmission box and a door and window thereof, the combined transmission box comprises a transmission box body, a first-stage transmission piece, a transmission rod and a second-stage transmission piece, and a first mounting hole for mounting a base-free handle and a second mounting hole for mounting a base handle are formed in the transmission box body; the first-stage transmission piece is connected with the handle and used for receiving the rotating acting force of the handle. The transmission rod can move relative to the window frame to transmit the door and window hardware; one end of the second-stage transmission part is connected with the first-stage transmission part, and the other end of the second-stage transmission part is connected with the transmission rod and used for converting the rotating acting force of the first-stage transmission part into acting force for driving the transmission rod to translate; the first-stage transmission part and the second-stage transmission part are arranged in the transmission box body, and the rotation track of the first-stage transmission part and the rotation track of the second-stage transmission part do not interfere with the position of the first mounting hole and the position of the second mounting hole. When the handle is installed, installation screws of the handle do not need to be accurately calculated and cut, the installation efficiency is greatly improved, and the risk of gear interference is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of door and window hardware, and in particular to a combined transmission box and a door and window thereof. Background Art

[0002] The transmission box is a key component that converts the rotation of the door and window handle into the movement of the transmission rod. The core functional part of the common transmission box is the gear rack mechanism, in which the door and window handle is inserted into the gear 01 to drive the gear 01 to rotate, and the rack 02 is meshed with the gear 01. When the gear 01 rotates, the rack 02 as the transmission rod can move left and right, such as Figure 1 shown.

[0003] Door and window handles 03 include handles with bases and handles without bases. The transmission box must be provided with mounting holes that are compatible with handles with bases and mounting holes that are compatible with handles without bases. The top circle diameter of the gear 01 of the transmission box usually interferes with the fixing screw 031 of the handle without base, such as Figure 2 Therefore, the length of the fixing screw of the handle without base needs to be strictly controlled. If it is too long, it will interfere with gear 01, and if it is too short, it cannot be connected with the anti-pull block of the transmission box. Due to the large variety of profiles, the actual use will affect the installation efficiency. Summary of the invention

[0004] The object of the present invention is to provide a combined transmission box to solve the problem that the installation of the handle will interfere with the transmission box gears.

[0005] A first aspect of the present invention provides a combined transmission box, comprising a transmission box body, a primary transmission member, a transmission rod and a secondary transmission member, wherein the transmission box body is provided with a first mounting hole for mounting a handle without a base and a second mounting hole for mounting a handle with a base; the primary transmission member is connected to the handle for receiving the rotational force of the handle; the transmission rod can move relative to the window frame to transmit door and window hardware; one end of the secondary transmission member is connected to the primary transmission member, and the other end of the secondary transmission member is connected to the transmission rod, for converting the rotational force of the primary transmission member into a force that drives the transmission rod to translate; the primary transmission member and the secondary transmission member are both arranged in the transmission box body, and the rotational trajectories of the primary transmission member and the secondary transmission member do not interfere with the position of the first mounting hole and the position of the second mounting hole.

[0006] Optionally, the primary transmission member includes a handle transmission part and a driving gear, and an arc-shaped rack is provided at one end of the secondary transmission member. The handle transmission part is used to be connected to the handle to drive the driving gear to rotate, and the driving gear is engaged with the arc-shaped rack to drive the arc-shaped rack to rotate.

[0007] Optionally, a first arcuate sliding portion is provided on the surface of the arcuate rack in contact with the transmission box body, and a second arcuate sliding portion is provided in the transmission box body. The first arcuate sliding portion is slidably connected to the second arcuate sliding portion to limit the sliding trajectory of the arcuate rack.

[0008] Optionally, the first mounting hole is arranged on the inner side of the second arc-shaped sliding portion, and the second mounting hole is arranged on the outer side of the second arc-shaped sliding portion.

[0009] Optionally, a rotation transmission part is provided at the other end of the secondary transmission member, and the transmission rod is provided with a translation transmission part, and the rotation transmission part is connected to the translation transmission part for driving the translation transmission part to translate when the rotation transmission part rotates.

[0010] Optionally, the rotation transmission part is a fork structure, and the translation transmission part is an auxiliary roller. The auxiliary roller slidably cooperates with the middle groove of the fork structure. When the secondary transmission member rotates, the auxiliary roller slides along the middle groove to drive the transmission rod to move.

[0011] Optionally, the transmission box body includes a panel, a bottom shell and a face shell, the transmission rod is slidably connected in the panel, the bottom shell and the face shell are arranged to form a cavity for accommodating the primary transmission component and the secondary transmission component, and the first mounting hole, the second mounting hole, the second arc-shaped sliding portion and the driving hole are correspondingly provided on the bottom shell and the face shell, and the driving hole is opposite to the primary transmission component.

[0012] Optionally, the combined transmission box also includes a box body fixing assembly, which includes a clamping plate, a fixed connecting piece and an elastic piece. The panel is provided with a fixing hole through which the fixed connecting piece passes, and the transmission rod is provided with a strip through hole through which the fixed connecting piece passes. The fixed connecting piece passes through the fixing hole, the strip through hole and the elastic piece in sequence and is connected to the clamping plate. The width of the clamping plate is greater than the width of the strip through hole, and is used to clamp the window frame to fix the transmission box body.

[0013] Optionally, the combined transmission box also includes an anti-pull block, which is passed through the bottom shell and / or the surface shell, and the anti-pull block is provided with positioning holes corresponding to the first mounting hole and the second mounting hole, respectively, for fixing the handle when the handle is installed.

[0014] A second aspect of the present invention provides a door and window, comprising a door and window profile, a handle, door and window hardware and the above-mentioned combined transmission box, wherein the combined transmission box is arranged in the door and window profile, the transmission input end of the combined transmission box is connected to the handle, and the output end of the combined transmission box is transmission-connected to the door and window hardware.

[0015] The beneficial effects of this solution are:

[0016] The combined transmission box of the present invention transmits the transmission rod in stages through a primary transmission member and a secondary transmission member, thereby replacing the existing rack and pinion structure, so that the primary transmission member and the secondary transmission member can avoid the positions of the first mounting hole and the second mounting hole at the same time. When installing the handle, there is no need to accurately calculate and cut the mounting screws of the handle, which greatly improves the installation efficiency and avoids the risk of interference with the gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the local structure of the transmission box of the prior art;

[0018] Figure 2 This is a schematic diagram of the partial structure of the transmission box after the handle is installed in the prior art;

[0019] Figure 3 This is a side view of the combined transmission box of this solution installed with the handle connected to the profile;

[0020] Figure 4 This is a schematic diagram of the structure of the combined transmission box of this solution;

[0021] Figure 5 This is an exploded view of the combined transmission box of this solution;

[0022] Figure 6 This is a schematic diagram of the structure of the secondary transmission parts of this scheme;

[0023] Figure 7 is a schematic diagram of the structure of the bottom shell;

[0024] Figure 8 is a schematic diagram of the structure of the transmission rod;

[0025] Fig. 9 This is a schematic diagram of the local structure of the transmission box with the handle in the initial state in this solution;

[0026] Fig.10 for Fig. 9 A partial front view of the transmission box in FIG.

[0027] Fig.11 This is a schematic diagram of the partial structure of the transmission box after the handle is rotated 90 degrees in this solution;

[0028] Fig.12 for Fig.11 Partial front view of the middle transmission box.

[0029] Description of reference numerals:

[0030] 01. Gear; 02. Rack; 03. Door and window handle; 031. Fixing screw;

[0031] 1. Combined transmission box; 2. Door and window profiles; 3. Handle; 301, screws;

[0032] 10. Transmission box body; 11. Panel; 111. Fixing hole; 12. Bottom shell; 13. Surface shell; 101. First mounting hole; 102. Second mounting hole; 103. Second arc-shaped sliding part; 104. Driving hole;

[0033] 20. Primary transmission part; 21. Handle transmission part; 211. Square hole; 22. Driving gear;

[0034] 30. Transmission rod; 31. Translation transmission part; 311. Rotation axis; 312. Roller sleeve; 313. Ear seat; 32. Strip perforation;

[0035] 40, secondary transmission member; 41, arc-shaped rack; 411, first arc-shaped sliding part; 42, rotary transmission part; 421, middle groove;

[0036] 50. Box body fixing assembly; 51. Clamping piece; 52. Fixed connecting piece; 53. Elastic piece;

[0037] 60. Anti-pulling block. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the terms in the present invention can be understood according to specific circumstances.

[0040] See also Figure 3The present invention discloses a door and window, comprising a door and window profile 2, a handle 3, door and window hardware (not shown) and a combined transmission box 1. The combined transmission box 1 is arranged in the door and window profile 2. The transmission input end of the combined transmission box 1 is connected to the handle 3, and the output end of the combined transmission box 1 is connected to the door and window hardware. The combined transmission box 1 transmits the rotational force of the handle 3 to the door and window hardware to control the opening and closing functions of the door and window.

[0041] See also Figure 4 , Figure 9-12 The combined transmission box 1 includes a transmission box body 10, a primary transmission member 20, a transmission rod 30 and a secondary transmission member 40. The transmission box body 10 is provided with a first mounting hole 101 for mounting a handle without a base 3 and a second mounting hole 102 for mounting a handle with a base 3; the primary transmission member 20 is connected to the handle 3 for receiving the rotational force of the handle 3; the transmission rod 30 can move relative to the window frame to transmit the door and window hardware; one end of the secondary transmission member 40 is connected to the primary transmission member 20, and the other end of the secondary transmission member 40 is connected to the transmission rod 30, for converting the rotational force of the primary transmission member 20 into a force that drives the transmission rod 30 to translate; the primary transmission member 20 and the secondary transmission member 40 are both arranged in the transmission box body 10, and the rotation trajectories of the primary transmission member 20 and the secondary transmission member 40 do not interfere with the position of the first mounting hole 101 and the position of the second mounting hole 102.

[0042] The combined transmission box 1 of the present invention transmits the transmission rod 30 in stages through the primary transmission member 20 and the secondary transmission member 40, replacing the existing gear rack structure, so that the primary transmission member 20 and the secondary transmission member 40 can avoid the positions of the first mounting hole 101 and the second mounting hole 102 at the same time. When installing the handle 3, there is no need to accurately calculate and cut the mounting screws 301 of the handle 3, which greatly improves the installation efficiency and avoids the risk of interference with the gears.

[0043] It should be noted that the existing 180-degree transmission box cannot adapt to extremely narrow profiles when the transmission distance is met, and milling is required. This solution can reduce the outer diameter of the primary transmission member 20 through the graded transmission of the primary transmission member 20 and the secondary transmission member 40. When the transmission distance remains unchanged, the overall height h of the transmission box is reduced (it can be reduced to within 21mm based on the existing 26mm), and when used for narrow-edge profiles, it will not be milled through.

[0044] See also Figure 5-6The primary transmission member 20 includes a handle transmission part 21 and a driving gear 22. An arc-shaped rack 41 is provided at one end of the secondary transmission member 40. The handle transmission part 21 is used to connect with the handle 3 to drive the driving gear 22 to rotate. The driving gear 22 is meshed with the arc-shaped rack 41 to drive the arc-shaped rack 41 to rotate. The handle transmission part 21 is provided with a square hole 211 for passing the rotating end of the handle 3 to drive the driving gear 22 to rotate when the handle 3 rotates.

[0045] See also Figure 6-7 The surface of the arc-shaped rack 41 in contact with the transmission box body 10 is provided with a first arc-shaped sliding portion 411, and the transmission box body 10 is provided with a second arc-shaped sliding portion 103. The first arc-shaped sliding portion 411 is slidably connected with the second arc-shaped sliding portion 103 to limit the sliding track of the arc-shaped rack 41. Specifically, the first arc-shaped sliding portion 411 is an arc-shaped slide groove, and the second arc-shaped sliding portion 103 is an arc-shaped slide rail. It can be understood that when the handle 3 is in the initial installation state, the arc-shaped rack 41 is in the middle position of the arc-shaped slide rail; if the handle 3 is rotated 90 degrees clockwise, the arc-shaped rack 41 rotates to one end of the arc-shaped slide rail; if the handle 3 is rotated 90 degrees counterclockwise, the arc-shaped rack 41 rotates to the other end of the arc-shaped slide rail.

[0046] In this embodiment, the first mounting hole 101 is disposed on the inner side of the second arc-shaped sliding portion 103, and the second mounting hole 102 is disposed on the outer side of the second arc-shaped sliding portion 103. The first mounting hole 101 and the second mounting hole 102 each include two, which are symmetrically disposed on both sides of the primary transmission member 20 with the primary transmission member 20 as the center. When the arc-shaped rack 41 rotates to one end or the other end of the arc-shaped slide rail, the first mounting hole 101 is located on the inner side of the arc-shaped rack 41, and the second mounting hole 102 is located on the outer side of the arc-shaped rack 41, and the first mounting hole 101 and the second mounting hole 102 do not interfere with the arc-shaped rack 41.

[0047] See also Figure 8 , the other end of the secondary transmission member 40 is provided with a rotation transmission part 42, and the transmission rod 30 is provided with a translation transmission part 31, and the rotation transmission part 42 is connected to the translation transmission part 31, and is used to drive the translation transmission part 31 to translate when the rotation transmission part 42 rotates. It should be noted that the rotation transmission part 42 is used to transmit the rotation force to the translation transmission part 31 to constitute the force driving the translation transmission part 31 to translate. The specific structure of the rotation transmission part 42 and the specific structure of the translation transmission part 31 can have a variety of connection forms, such as a wedge contact connection or a gear rack connection.

[0048] In this embodiment, the rotation transmission part 42 is a fork structure, and the translation transmission part 31 is an auxiliary roller. The auxiliary roller 31 slides with the middle groove 421 of the fork structure. When the secondary transmission member 40 rotates, the auxiliary roller 31 slides along the middle groove 421 to drive the transmission rod 30 to translate.

[0049] Specifically, the auxiliary roller includes a rotating shaft 311, a roller sleeve 312 and an ear seat 313. The ear seat 313 is arranged on the transmission rod 30. Both ends of the rotating shaft 311 are respectively connected to the ear seat 313. The roller sleeve 312 is sleeved outside the rotating shaft 31, and the roller sleeve 312 contacts the middle groove 421 of the fork structure.

[0050] In this embodiment, the transmission box body 10 includes a panel 11, a bottom shell 12 and a surface shell 13, the transmission rod 30 is slidably connected in the panel 11, the bottom shell 12 and the surface shell 13 are surrounded to form a cavity for accommodating the primary transmission member 20 and the secondary transmission member 40, and the bottom shell 12 and the surface shell 13 are correspondingly provided with a first mounting hole 101, a second mounting hole 102, a second arc-shaped sliding portion 103 and a driving hole 104, and the driving hole 104 is opposite to the primary transmission member 20. The first mounting hole 101 is used to insert the screw 301 of the handle 3 without a base, the second mounting hole 102 is used to insert the screw 301 of the handle 3 with a base, and the driving hole 104 is opposite to the square hole 211 of the handle transmission portion 21, and is used to insert the rotating end of the handle 3. When installing the transmission box body 10, the front shell 13 and the bottom shell 12 are partially inserted into the profile along the side of the door and window profile 2, the panel 11 is sealed on the side of the door and window profile 2, and the handle 3 is inserted between the front shell 13 and the bottom shell 12 from the outer surface or inner surface of the door and window profile for transmission.

[0051] In this embodiment, the combined transmission box 1 further comprises a box body fixing assembly 50, which comprises a clamping piece 51, a fixing connecting piece 52 and an elastic piece 53. The panel 11 is provided with a fixing hole 111 through which the fixing connecting piece 52 passes, and the transmission rod 30 is provided with a strip-shaped through hole 33 through which the fixing connecting piece 52 passes. The fixing connecting piece 52 passes through the fixing hole 111, the strip-shaped through hole 33 and the elastic piece 53 in sequence and is connected to the clamping piece 51. The width of the clamping piece 51 is greater than the width of the strip-shaped through hole 33, and is used to clamp the window frame to fix the transmission box body. The elastic piece 53 is provided between the clamping piece 51 and the transmission rod 30, and is used to limit the arbitrary swing of the clamping piece 51 and to resist the transmission rod 30 to reduce the gap between the transmission rod 30 and the side notch of the profile, so as to facilitate installation.

[0052] In this embodiment, the combined transmission box 1 further includes an anti-pull bias block 60, which is disposed through the bottom shell 12 and / or the surface shell 13, and is provided with positioning holes corresponding to the first mounting hole 101 and the second mounting hole 102, respectively, for fixing the handle 3 when installing the handle 3. When installing the handle 3, the screw 301 of the handle 3 pulls the anti-pull bias block 60 out of the transmission shell and presses against the surface of the profile, and the base of the handle 3 and the anti-pull bias block 60 clamp the profile to fix the handle 3.

[0053] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A combined transmission box, characterized in that: include: A transmission box body, wherein the transmission box body is provided with a first mounting hole for mounting a handle without a base and a second mounting hole for mounting a handle with a base; a primary transmission member, the primary transmission member being connected to the handle and configured to receive a rotational force of the handle; A transmission rod, the transmission rod being movable relative to the window frame to transmit door and window hardware; A secondary transmission member, one end of which is connected to the primary transmission member, and the other end of which is connected to the transmission rod, for converting the rotational force of the primary transmission member into a force that drives the transmission rod to translate; The primary transmission member and the secondary transmission member are both arranged in the transmission box body, and the rotation trajectories of the primary transmission member and the secondary transmission member do not interfere with the position of the first mounting hole and the position of the second mounting hole.

2. The combined transmission box according to claim 1, characterized in that: The primary transmission member includes a handle transmission part and a driving gear. An arc-shaped rack is provided at one end of the secondary transmission member. The handle transmission part is used to be connected to the handle to drive the driving gear to rotate. The driving gear is meshed with the arc-shaped rack to drive the arc-shaped rack to rotate.

3. The combined transmission box according to claim 2, characterized in that: A first arcuate sliding portion is provided on the surface of the arcuate rack in contact with the transmission box body, and a second arcuate sliding portion is provided in the transmission box body. The first arcuate sliding portion is slidably connected with the second arcuate sliding portion to limit the sliding trajectory of the arcuate rack.

4. The combined transmission box according to claim 3, characterized in that: The first mounting hole is arranged on the inner side of the second arc-shaped sliding portion, and the second mounting hole is arranged on the outer side of the second arc-shaped sliding portion.

5. The combined transmission box according to claim 1, characterized in that: The other end of the secondary transmission member is provided with a rotation transmission part, and the transmission rod is provided with a translation transmission part. The rotation transmission part is connected to the translation transmission part and is used to drive the translation transmission part to translate when the rotation transmission part rotates.

6. The combined transmission box according to claim 5, characterized in that: The rotation transmission part is a fork structure, and the translation transmission part is an auxiliary roller. The auxiliary roller is slidably matched with the middle groove of the fork structure. When the secondary transmission member rotates, the auxiliary roller slides along the middle groove to drive the transmission rod to move.

7. The combined transmission box according to claim 1, characterized in that: The transmission box body includes a panel, a bottom shell and a front shell, the transmission rod is slidably connected in the panel, the bottom shell and the front shell are arranged to form a cavity for accommodating the primary transmission component and the secondary transmission component, the bottom shell and the front shell are correspondingly provided with the first mounting hole, the second mounting hole and the driving hole, and the driving hole is opposite to the primary transmission component.

8. The combined transmission box according to claim 7, characterized in that: The combined transmission box also includes a box body fixing component, which includes a clamping plate, a fixing connecting piece and an elastic piece. The panel is provided with a fixing hole through which the fixing connecting piece passes, and the transmission rod is provided with a strip through hole through which the fixing connecting piece passes. The fixing connecting piece passes through the fixing hole, the strip through hole and the elastic piece in sequence and is connected to the clamping plate, so as to clamp the window frame to fix the transmission box body.

9. The combined transmission box according to claim 7, characterized in that: The combined transmission box also includes an anti-pull bias block, which is penetrated by the bottom shell and / or the surface shell. The anti-pull bias block is provided with positioning holes corresponding to the first mounting hole and the second mounting hole respectively, for fixing the handle when the handle is installed.

10. A door and window, characterized in that: It comprises a door and window profile, a handle, door and window hardware and a combined transmission box as described in any one of claims 1 to 9, wherein the combined transmission box is arranged in the door and window profile, the transmission input end of the combined transmission box is connected to the handle, and the output end of the combined transmission box is transmission-connected to the door and window hardware.

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