Connecting rod lock corner device

Abstract

The utility model relates to a connecting rod lock angle turning device which comprises a base and a transmission component installed on the base, the transmission component is provided with a push-pull driving end and a traction end, and the transmission component comprises a transmission gear piece which is in movable fit with the base and rotates around a center and a driving push-pull toothed bar which is in linear sliding fit with the base. The push-pull driving end is located on the driving push-pull toothed bar, the traction end is located on the driven traction toothed bar, meshing teeth are arranged on the outer circumferential side of the transmission gear piece, and the driving push-pull toothed bar and the driven traction toothed bar are both in meshing transmission with the transmission gear piece. And the driving push-pull toothed bar and the driven traction toothed bar are vertically arranged. The action is stable and reliable, the whole lock is compact in structure, and the utilization rate of the cabinet body is improved; and the action stroke is large.

Description

Technical Field

[0001] This utility model relates to lock accessories, specifically a lever lock corner mechanism. Background Technology

[0002] Some cabinet doors use multi-point locking mechanisms with a top-and-bottom linkage design. Traditional linkage locks arrange locking points along the height of the door, but for wide cabinets, linkage locks typically place locking points in the middle of the door's width. Therefore, the linkage lock incorporates a mechanism for changing the transmission direction at corner positions, which can be called a corner mechanism; for example... Figure 1 As shown, existing corner mechanisms employ a fan-shaped swing block design. The fan-shaped swing block is mounted on the base via a pivot. It has a push-pull drive end connected to the longitudinal connecting rod and a traction end connected to the transverse connecting rod. This allows the longitudinal connecting rod to drive the transverse connecting rod, thereby actuating the locking point located in the middle of the door panel. However, the existing corner mechanism structure has the following drawbacks: The fan-shaped swing block design results in a swaying motion in both the longitudinal and transverse connecting rods, and the single support shaft for mounting the fan-shaped swing block leads to insufficient structural reliability, concentrated stress, and susceptibility to damage. Furthermore, it occupies a large space after installation, resulting in a non-compact structure that affects cabinet utilization, and also suffers from a short travel distance. Summary of the Invention

[0003] The purpose of this invention is to overcome the defects of the existing technology and provide a linkage locking angle device with stable and reliable operation.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A linkage lock angler includes a base and a transmission component mounted on the base. The transmission component has a push-pull drive end and a traction end. The transmission component includes a transmission gear that is dynamically engaged with the base and rotates around a center, an active push-pull gear that is linearly slidably engaged with the base, and a driven traction gear that is linearly slidably engaged with the base. The push-pull drive end is located on the active push-pull gear, and the traction end is located on the driven traction gear. The outer circumference of the transmission gear has meshing teeth. Both the active push-pull gear and the driven traction gear mesh with the transmission gear. The active push-pull gear and the driven traction gear are arranged perpendicularly.

[0006] Preferably, the transmission gear component is an arc-shaped semi-gear ring, including an arc-shaped main body, with meshing teeth on the outer circumference of the arc-shaped main body, and the arc-shaped main body is positioned and slidably fitted on the base, thereby forming a transmission gear component that rotates around a center.

[0007] Preferably, the arc-shaped semi-tooth ring is configured to be restricted to rotating within a certain angle, so that the arc-shaped semi-tooth ring has a first limit position and a second limit position along the direction of rotation.

[0008] Preferably, the arc-shaped main body of the arc-shaped semi-gear ring is provided with an arc-shaped positioning groove extending along the rotation direction of the arc-shaped semi-gear ring, and a limiting protrusion inserted into the arc-shaped positioning groove is provided on the base. The limiting protrusion cooperates with the two ends of the arc-shaped positioning groove to restrict the arc-shaped semi-gear ring to rotate within a certain angle.

[0009] Preferably, the base is L-shaped, with the arc-shaped semi-tooth ring opening side corresponding to the inner corner of the base, and the active push-pull toothed rod and the driven traction toothed rod respectively arranged on the two outer edges of the base.

[0010] Preferably, the base includes two interlocking petal shells, and the base is provided with an arc-shaped sliding guide cavity, a longitudinal sliding guide cavity and a transverse sliding guide cavity formed after the two petal shells are interlocked. An arc-shaped semi-tooth ring slides in the arc-shaped sliding guide cavity, an active push-pull toothed rod slides in the longitudinal sliding guide cavity, and a driven traction toothed rod slides in the transverse sliding guide cavity.

[0011] Preferably, the bottom wall of the arc-shaped sliding guide cavity is recessed in the middle, and the edge forms a support wall, on which the arc-shaped semi-tooth ring is supported.

[0012] By adopting the above technical solution, the push-pull drive end of the active push-pull rack is connected to the longitudinal connecting rod of the lock, and the traction end of the driven traction rack is connected to the transverse connecting rod of the locking point. During the unlocking and locking operation, the active push-pull rack is pushed and pulled, and the transmission gear rotates around the rotation center. The transmission gear drives the driven traction rack to slide, realizing the action of the traction transverse connecting rod, that is, driving the transverse locking point located in the middle of the door panel to complete the unlocking and locking action. The lock achieves a linear sliding method for both the longitudinal and transverse connecting rods, which has the advantages of stable and reliable operation. A single transmission gear component realizes the synchronous action and change of transmission direction of the active push-pull rack and the driven traction rack, resulting in a compact structure. Furthermore, the use of an arc-shaped semi-gear ring design achieves position avoidance, further improving the compactness of the structure.

[0013] The present invention will now be further described with reference to the accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a schematic diagram illustrating the background technology results of this utility model;

[0015] Figure 2 Diagram showing the usage status of the linkage lock of this utility model;

[0016] Figure 3 This is a schematic diagram of the linkage lock angle device of this utility model;

[0017] Figure 4 The explosion view of the linkage lock angle device of this utility model Figure 1 ;

[0018] Figure 5 The explosion view of the linkage lock angle device of this utility model Figure 2 ;

[0019] Figure 6 This is a schematic diagram of the base structure of this utility model;

[0020] Figure 7 This is a structural schematic diagram of another embodiment of the linkage lock angle device of this utility model. Detailed Implementation

[0021] See appendix Figures 2-6 This utility model discloses a linkage lock angler 1 for transmitting power between a longitudinal link 91 and a transverse link 92 of a linkage lock. It includes a base 11 and a transmission component mounted on the base 11. The transmission component has a push-pull drive end I and a traction end II. The push-pull drive end I is connected to the longitudinal link 91 of the linkage lock, and the traction end II is connected to the transverse link 92. The transmission component includes a transmission gear that is dynamically engaged with the base 11 and rotates around a center, an active push-pull gear 13 that is linearly slidably engaged with the base 11, and a driven traction gear 14 that is linearly slidably engaged with the base 11. The push-pull drive end I is located on the active push-pull gear 13, and the traction end II is located on the driven traction gear 14. The outer circumference of the transmission gear has meshing teeth 121. Both the active push-pull gear 13 and the driven traction gear 14 mesh with the transmission gear, and the active push-pull gear 13 and the driven traction gear 14 are arranged vertically. Figure 1 The movement direction indicator arrows shown illustrate this. Taking the upper corner mechanism as an example, when the active push-pull gear 13 is pulled downwards, it pulls the driven traction gear 14 via the transmission gears; conversely, it pushes the driven traction gear 14 upwards. Compared to the traditional fan-shaped swing block design, this design offers advantages in stable and reliable transmission. Furthermore, the linear motion of the longitudinal and transverse links results in a compact overall lock structure, improving cabinet utilization. Additionally, the lock's travel distance is greater.

[0022] The transmission gear component can be designed as a complete circular gear (or a complete gear ring), but to achieve a more compact design for the angler structure, preferably, as one embodiment of this utility model, such as... Figure 4 and Figure 5 As shown, the transmission gear component is an arc-shaped semi-gear ring 12, including an arc-shaped body 122. The outer circumference of the arc-shaped body 122 is provided with meshing teeth 121. The arc-shaped body 122 is positioned and slidably fitted on the base 11, thus forming a transmission gear component that rotates around a center. The arc-shaped semi-gear ring 12 creates a clearance, achieving a smaller volume design, thereby reducing its space occupation and enabling it to adapt to the installation and use of more types of door panels.

[0023] like Figures 2-7 As shown, based on the design of the arc-shaped semi-gear ring, the base 11 preferably adopts an L-shape, and the opening side of the arc-shaped semi-gear ring 12 corresponds to the inner corner of the base 11. The active push-pull gear 13 and the driven traction gear 14 are respectively arranged on the two outer edges of the base 11. This achieves a compact structural design.

[0024] The base 11 includes two interlocking shells 111. The base 11 has an arc-shaped sliding guide cavity 112, a longitudinal sliding guide cavity 113, and a transverse sliding guide cavity 114 formed by the interlocking of the two shells 111. An arc-shaped semi-gear ring 12 is slidably fitted within the arc-shaped sliding guide cavity 112. An active push-pull gear 13 is slidably fitted within the longitudinal sliding guide cavity 113, and a driven traction gear 14 is slidably fitted within the transverse sliding guide cavity 114. This makes the assembly of the corner device more convenient. To make the arc-shaped semi-gear ring move more flexibly and reduce friction, the bottom wall of the arc-shaped sliding guide cavity 112 is recessed in the middle, and a support wall is formed at the edge. The arc-shaped semi-gear ring 12 is supported on the support wall. This reduces the contact area and the frictional resistance of the arc-shaped semi-gear ring 12.

[0025] Furthermore, the arc-shaped semi-gear ring 12 is configured to rotate within a certain angle, thus the arc-shaped semi-gear ring 12 has a first limit position and a second limit position along the rotation direction. The arc-shaped semi-gear ring 12 has two defined limit positions, ensuring that the arc-shaped semi-gear ring is in the working position during the movement process, ensuring stable and reliable operation; on the other hand, the arc-shaped semi-gear ring 12 can be used to determine the installation position by means of the first limit position or the second limit position, and the active push-pull gear 13 and the driven traction gear 14 can be assembled into their respective positions by means of the arc-shaped semi-gear ring 12, which facilitates the assembly operation of the corner device.

[0026] As a preferred embodiment of this utility model, the arc-shaped main body 122 of the arc-shaped semi-gear ring 12 is provided with an arc-shaped positioning groove 123 extending along the rotation direction of the arc-shaped semi-gear ring 12. A limiting protrusion 115 is provided on the base 11, which inserts into the arc-shaped positioning groove 123. The limiting protrusion 115 cooperates with the two ends of the arc-shaped positioning groove 123 to stop the arc-shaped semi-gear ring 12, thereby restricting its rotation within a certain angle. The arc-shaped positioning groove 123 can be located on the inner diameter side of the arc-shaped semi-gear ring 12, and the corresponding limiting protrusion 115 is formed on the support wall. Of course, the rotation angle limiting structure of the arc-shaped semi-gear ring can also be in other forms, such as... Figure 7 As shown, protrusions 12-1 are raised on the arc-shaped semi-gear ring 12, and limiting grooves 11-1 are set on the base 11; or the two ends of the arc-shaped semi-gear ring and the stop end of the arc-shaped sliding guide cavity are directly used for stopping; etc.; but there are inconvenient processing or it is not conducive to the compact design of the structure.

Claims

1. A connecting rod lock corner device comprising a base and a transmission member mounted on the base, the transmission member having a push-pull drive end and a pulling end, characterized in that: The transmission member comprises a transmission gear member movably fitted on the base and rotating around a center, a driving push-pull rack linearly fitted on the base, and a driven pull rack linearly fitted on the base, a push-pull driving end being located on the driving push-pull rack, and a pull end being located on the driven pull rack, the transmission gear member being provided with meshing teeth on the outer circumferential side, the driving push-pull rack and the driven pull rack being in meshing transmission with the transmission gear member, and the driving push-pull rack and the driven pull rack being arranged perpendicularly.

2. The link lock corner in accordance with claim 1, wherein: The transmission gear member is an arc-shaped half gear ring, comprising a circular arc-shaped main body, the circular arc-shaped main body being provided with meshing teeth on the outer circumferential side, and the circular arc-shaped main body being movably fitted on the base, so as to form the transmission gear member rotating around a center.

3. The link lock corner in accordance with claim 2, wherein: The arc-shaped half gear ring is configured to be limited to rotate within a certain angle, so that the arc-shaped half gear ring has a first limit position and a second limit position in the rotating direction.

4. The link lock corner in accordance with claim 3, wherein: The circular arc-shaped main body of the arc-shaped half gear ring is provided with an arc-shaped positioning groove extending in the rotating direction of the arc-shaped half gear ring, and the base is provided with a limiting protrusion inserted into the arc-shaped positioning groove, the limiting protrusion being in stop cooperation with both ends of the arc-shaped positioning groove, so as to limit the arc-shaped half gear ring to rotate within a certain angle.

5. The link lock corner in accordance with claim 2, wherein: The base is in L shape, the opening side of the arc-shaped half gear ring corresponding to the inner corner of the base, and the driving push-pull rack and the driven pull rack being arranged on the two outer edges of the base, respectively.

6. The link lock corner in accordance with claim 5, wherein: The base comprises two petals of petal shells mutually buckled, the base being provided with an arc-shaped sliding guide cavity, a longitudinal sliding guide cavity and a transverse sliding guide cavity formed after the two petals of petal shells are buckled, the arc-shaped half gear ring being movably fitted in the arc-shaped sliding guide cavity, the driving push-pull rack being movably fitted in the longitudinal sliding guide cavity, and the driven pull rack being movably fitted in the transverse sliding guide cavity.

7. The link lock corner according to claim 6, wherein: The bottom wall of the arc-shaped sliding guide cavity is recessed in the middle, and the edge forms a support wall, and the arc-shaped half gear ring is supported on the support wall.

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