Adjustable Sliding Door Mounting Device with Cam Slide Mechanism
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Solution Overview
Problem
Existing sliding door mounting devices face challenges with precise adjustment, wear, and damage under heavy loads, requiring complex assembly processes and external buffer devices, which limits their operational lifespan and adjustment range.
Innovation Solution
An adjustable mounting device with a connecting bolt and link carriage system that allows axial displacement without removing the holding device from the rail, featuring a bearing device with a U-profile retaining rail and elastic elements to absorb forces, enabling easy adjustment and reducing wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the holding device is pulled out of the holding rail to adjust the connecting screw, then the connecting screw can be adjusted, but the adjustment process becomes time-consuming and requires skilled operation
Solution Approach 1:
The patent makes the holding device dynamically adjustable while remaining in the holding rail. The holding block can be moved axially along the holding rail to different positions, and the connecting screw can be adjusted by rotating it within the holding block, eliminating the need to pull the holding device out for adjustment. This dynamic adjustment capability resolves the contradiction by enabling easy operation without time loss.
Solution Approach 2:
The patent introduces a wedge-shaped adjustment element as an intermediary between the holding block and the connecting screw. By moving the holding block axially, the wedge element translates this linear motion into rotational adjustment of the connecting screw. This intermediary mechanism allows adjustment to be performed easily while the holding device remains in the holding rail, resolving both ease of operation and time consumption issues.
2Ease of manufacture
If the transverse bolt is made with small diameter to pass through the connecting bolt, then assembly is possible, but the bolt bends under high loads or heavy sliding doors
Solution Approach 1:
The patent segments the connection function into multiple components: the connecting bolt remains with small diameter for easy assembly, while the holding block and holding rail provide additional structural support. The load is distributed across these segmented components rather than concentrated on the thin transverse bolt, resolving the contradiction between assembly feasibility and bolt strength.
Solution Approach 2:
The patent employs a composite connection system combining the thin transverse bolt with the more robust holding block and holding rail structure. This composite approach allows the assembly to benefit from the ease of installation provided by the thin bolt while the overall connection structure provides the necessary strength to handle heavy loads, resolving the strength deficiency of the single-bolt design.
3Ease of manufacture
If the transverse bolt has minimal contact surface with the link body, then assembly is simple, but high contact pressure causes deformations and damage to link tracks
Solution Approach 1:
The patent introduces a wedge-shaped adjustment element that dynamically distributes contact forces. As the holding block moves axially, the wedge element gradually engages with the link body, distributing the contact pressure over a larger area and longer duration rather than concentrating it at a single point. This resolves the contradiction by maintaining assembly simplicity while improving link track durability through dynamic force distribution.
4Device complexity
If the connecting bolt is held within the link body, then the assembly is compact, but the connecting bolt can only be rotated together with the entire holding device, requiring carriage removal from the running rail for assembly
Solution Approach 1:
The patent makes the holding block and connecting screw dynamically adjustable while the holding device remains in the holding rail. The connecting screw can be rotated independently within the holding block to adjust the connecting bolt's position, eliminating the need to remove the carriage from the running rail. This dynamic adjustment capability resolves the contradiction by maintaining compact structure while dramatically improving ease of operation.
5Device complexity
If external buffer devices are used to stop the sliding door, then the mounting device structure is simple, but the device requires more parts and external components
Solution Approach 1:
The patent merges the buffer function into the holding device itself. The holding block can be adjusted to different positions along the holding rail, and when positioned at the end of the holding rail, it acts as an integrated buffer to stop the sliding door. This merging of functions eliminates the need for separate external buffer devices, resolving the contradiction by maintaining simple mounting device structure while reducing the total quantity of parts.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution allows for precise adjustment of sliding doors without external buffer devices, reduces wear and tear, and maintains operational integrity under heavy loads, ensuring smooth operation over time.
Implementation Method 1
elastisches Element (18) zur Absorption von Kräften
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 2C~2D
AI summary
The assembly device (10) includes a connecting bolt (5) by which a plate-shaped sliding element (4) can be connected to a running gear (2) which is slidably mounted in a running rail (3).The assembly device further comprises a retaining rail (6) which can be attached in a recess (40) on the top (41) of the sliding element (4), and a holding device (1) which is detachably held in the retaining rail (6) and which has a bearing device (11, 12) in which an adjusting screw (13) is rotatably held, the shaft (132) of which engages in a threaded part (141) of a cam body (14) aligned along a screw axis (y), which is displaceable along the screw axis (y) and which has two cam walls (143A, 143B) aligned parallel to each other, on which cam elements (142) extending parallel to each other and inclined to the screw axis (y) are provided, into which guide elements (152) engage, which are connected to the connecting bolt (5) which is displaceably mounted in a guide part (125) along a guide axis (x).According to the invention, a cam slide (15) is provided which is provided on opposite sides with the guide elements (152) which engage in the cam elements (142) of the cam body (14), wherein the connecting bolt (5) has a first connecting part (51) held in a cam slide (15), a second connecting part (52) slidably held in the guide part (125) and a third connecting part (53) connectable to the running gear (2).