Novel low-transfer-resistance double-vertex sliding plate bridge

By using a structure design with dual apex components and a single PU pad, combined with end face needle roller bearings and apex needle roller bearings, the problems of control delay and high resistance in existing skateboard bridges are solved, achieving a balance between the flexibility and stability of the bridge, resulting in precise steering and effortless operation.

CN223914640UActive Publication Date: 2026-02-17许人杰
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Patent Information

Application Number
CN202520140662.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-02-17
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing skateboard bridges have a simple structure, which cannot provide stable support and rebound, resulting in delayed handling, high friction, and high resistance, making it impossible to achieve both flexibility and stability.

Method used

The structure adopts a double-vertical component and single PU pad design, combined with end face needle roller bearings and vertex needle roller bearings, eliminating the polyurethane top cup, and achieving flexible setting changes of the cable tray through the eccentric bridge shaft design.

Benefits of technology

It achieves linear and stable cable tray control, with no steering delay, low rotational resistance, and smooth operation. The cable tray can support a larger angle, combining flexibility and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel low-transfer-resistance double-vertex sliding plate bridge which comprises a bridge rod, a base piece and a base connecting piece, the base connecting piece is installed on the base piece in a sliding mode, the bridge rod is arranged between the base piece and the base connecting piece, bridge shafts are installed at the two ends of the bridge rod, a main nail piece is installed on the base connecting piece, and the main nail piece is installed on the base connecting piece. One end of the main nail piece enters a reserved position of the bridge rod, the end, away from the base connecting piece, of the main nail piece is sleeved with a PU pad and a PU gasket, vertex bases are arranged on the base piece and the base connecting piece, vertex pieces are installed at the positions, facing the vertex bases, of the bridge rod, and the other ends of the vertex pieces are inserted into the vertex bases. Buffering connecting pieces for providing axial and radial supporting are installed on the top point pieces, and end face needle bearings are installed on the exposed sections of the top point pieces. According to the utility model, the structure is simple, the double-vertex structure design is adopted, the bridge control is completely linear, and the steering is completely delay-free; the end face needle bearing and the vertex needle bearing replace a traditional polyurethane top bowl, rotation resistance is low, and control is smooth.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of scooter, concretely relates to a novel low rotation resistance double apex scooter bridge BACKGROUND

[0002] The scooter bridge is an important control component for connecting the plate surface and the wheel, and is used for completing steering and stabilizing the plate surface. The PU pad is an important component for controlling steering in the scooter bridge, and is also used for providing the rebound and supporting force of the bridge. The existing scooter bridge generally only adopts two PU pads, which are arranged on the front and back sides of the bridge rod respectively. The structure is single, and cannot provide stable support and rebound, and cannot adjust the rebound individually. The two PU pads and the bridge rod apex form a double-point supporting structure, which cannot provide better linear control, and the control is delayed. The flexibility and stability cannot coexist. At the same time, the existing scooter bridge uses the top bowl of polyurethane material, which has large friction, large loss, large resistance, and not smooth control. The existing scooter bridge uses the fixed bridge shaft design, and cannot change the flexibility setting of the bridge. SUMMARY

[0003] The utility model solves the technical problem that the utility model provides a novel low rotation resistance double apex scooter bridge. Through the structure of the double apex piece and the single PU pad, the problems in the background technology can be solved.

[0004] The utility model is realized through the following technical scheme: a novel low rotation resistance double apex scooter bridge, including bridge rod, base piece and base connecting piece, base connecting piece is installed on base piece, bridge rod is arranged between base piece and base connecting piece, both ends of bridge rod are installed with bridge shaft, main nail piece is installed on base connecting piece, one end of main nail piece enters the reserved position of bridge rod, and PU pad and PU washer are sleeved on the end of main nail piece away from base connecting piece, top point seat is arranged on base piece and base connecting piece, top point piece is installed towards top point seat of bridge rod, the other end of top point piece is inserted into top point seat, and the buffer connecting piece for providing axial and radial support is installed, and the exposed section of top point piece is installed with end face needle bearing.

[0005] As a preferred technical scheme, the buffer connecting piece includes top point sleeve, axial buffer pad, radial buffer sleeve and top point needle bearing, the end of top point piece inside top point seat is reduced inward, and is installed with top point sleeve, axial buffer pad is installed on the end face of top point seat away from bridge rod, top point needle bearing is installed on the outside of top point sleeve, and radial buffer sleeve is installed on the outside of top point needle bearing.

[0006] As a preferred technical scheme, the base piece is provided with a main nail fixing opening, the base connecting piece is provided with a through hole corresponding to the main nail fixing opening, the main nail piece is arranged in the main nail fixing opening and connected with the bridge rod through the through hole, and the end of the main nail piece away from the base connecting piece is provided with a screw thread and is threadedly connected with a main nail nut for pressing the PU gasket and the PU pad.

[0007] As a preferred technical scheme, the base connecting piece is provided with a through hole corresponding to the main nail fixing opening, the main nail piece is arranged in the main nail fixing opening and connected with the bridge rod through the through hole, and the end of the main nail piece away from the base connecting piece is provided with a screw thread and is threadedly connected with a main nail nut for pressing the PU gasket and the PU pad.

[0008] As a preferred technical scheme, the bridge rod is provided with a stepped groove at each end, and an axle hole is formed in the inner wall surface of each stepped groove, one end of the bridge rod passes through the stepped groove and the axle hole and is threadedly connected with a fixing nut for fixing the bridge axle, and a step is formed in the middle of the bridge axle and matches the stepped groove, and the step is inserted into the stepped groove.

[0009] As a preferred technical scheme, the axial buffer pad and the radial buffer sleeve are made of polyurethane.

[0010] The utility model discloses the beneficial effect is:

[0011] 1. Single PU pad design, PU pad stress is more stable, and the structure is simpler;

[0012] 2. Double apex structure design, bridge control is completely linear, and steering is completely without delay;

[0013] 3. End face needle bearing and apex needle bearing replace traditional polyurethane top bowl, and rotation resistance is low, and control is smooth;

[0014] 4. Bridge stability and flexibility can coexist;

[0015] 5. Eccentric bridge axle design, bridge flexibility can be set change through changing bridge axle assembly angle. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model after removing the base connecting piece;

[0019] Figure 3The utility model discloses an exploded view of the utility model discloses a low-resistance double apex slide plate bridge frame.

[0020] Figure 4 The utility model discloses a partial sectional view of the utility model discloses a low-resistance double apex slide plate bridge frame.

[0021] Wherein, 1, base piece, 2, base connecting piece, 3, bridge pole, 4, PU pad, 5, PU gasket, 6, main nail piece, 7, end face needle roller bearing, 8, bridge shaft, 9, fixed bolt, 10, axial buffer pad, 11, apex needle roller bearing, 12, radial buffer sleeve, 13, base connecting screw, 14, apex piece, 15, apex sleeve, 16, step, 17, main nail nut, 18, step groove. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as limiting the utility model.

[0023] All features disclosed in the specification, or steps in all disclosed methods or processes, can be combined in any manner, except for mutually exclusive features and / or steps.

[0024] Any feature disclosed in the specification (including any accompanying claims, abstract and drawings), unless specifically stated otherwise, can be replaced by other equivalent or similarly purposed alternative features. That is, unless specifically stated, each feature is only an example of one of a range of equivalent or similar features.

[0025] As Figure 1 , Figure 2 , Figure 3 And Figure 4 The utility model discloses a novel low-resistance double apex slide plate bridge frame, including bridge pole 3, base piece 1 and base connecting piece 2, base connecting piece 2 is slidably installed on base piece 1, and bridge pole 3 is arranged between base piece 1 and base connecting piece 2, and the both ends of bridge pole 3 are provided with bridge shaft 8, and base connecting piece 2 is provided with main nail piece 6, one end of main nail piece 6 enters the reserved position of bridge pole 3, and PU pad 4 and PU gasket 5 are sleeved on the end of main nail piece 6 away from base connecting piece 2, and base piece 1 and base connecting piece 2 are all provided with apex seat, and bridge pole 3 is all provided with apex piece 14 towards apex seat, and the other end of apex piece 14 is all inserted into apex seat, and all is provided with the buffer connecting piece of providing axial and radial support, and the exposed section of apex piece 14 is all provided with end face needle roller bearing 7.

[0026] In this embodiment, the buffer connecting piece includes vertex sleeve 15, axial buffer pad 10, radial buffer sleeve 12 and vertex needle bearing 11, the vertex piece 14 is reduced inward at one end inside the vertex seat, and is provided with vertex sleeve 15, the vertex seat is provided with axial buffer pad 10 at the end surface away from the bridge bar 3, the outside of vertex sleeve 15 is provided with vertex needle bearing 11, and the outside of vertex needle bearing 11 is provided with radial buffer sleeve 12.

[0027] In this embodiment, the base piece 1 is provided with a main nail fixing opening, the base connecting piece 2 is provided with a through hole corresponding to the main nail fixing opening, the main nail piece 6 is arranged in the main nail fixing opening and connected with the bridge bar 3 through the through hole, the end of the main nail piece 6 away from the base connecting piece 2 is provided with a screw thread, and a main nail nut 17 is threadedly connected to compress the PU pad and the PU pad 4.

[0028] In this embodiment, the base connecting piece 2 is provided with a fixing hole on both sides of the main nail fixing opening, and a base connecting screw 13 is arranged in the fixing hole to fix the base connecting piece 2 on the base piece 1.

[0029] In this embodiment, the bridge bar 3 is provided with a stepped groove 18 at both ends, the inner wall surface of the stepped groove 18 is provided with an axle hole, one end of the bridge bar 3 passes through the stepped groove 18 and the axle hole, and a bridge shaft 8 nut is threadedly connected to fix the bridge shaft 8, the middle part of the bridge shaft 8 is protruded to form a step 16 matched with the stepped groove 18, and the step 16 is inserted into the stepped groove 18; wherein, the bridge shaft is not straight relative to the main nail piece, and the bridge shaft is arranged eccentrically, so that the flexibility of the bridge frame can be changed by changing the assembly angle of the bridge shaft.

[0030] In this embodiment, the axial buffer pad 10 and the radial buffer sleeve 12 are both made of polyurethane material, the axial buffer pad 10 plays a role in absorbing the radial vibration of the vertex, and the radial buffer sleeve 12 plays a role in absorbing the axial vibration of the vertex.

[0031] Structure description:

[0032] 1. The structure is designed with double vertex pieces, which are matched with two end face needle bearings and vertex needle bearings to form a completely hard-connected linear structure, so that the bridge frame has higher accuracy and no delay in turning.

[0033] 2. The structure is designed with a single PU pad, which is stable in stress, and the PU is not loaded, and the structure is simple.

[0034] 3. The bridge frame cancels the polyurethane top bowl design and is designed with two end face needle bearings and vertex needle bearings, different needle bearings bear different forces, and the forces between the bearings are stable, and the rotating resistance is small.

[0035] 4. Since the structure is a double vertex piece hard connection structure, the operation is completely linear, there is no delay, the steering is accurate, the operation is stable, so that the bridge can support a larger angle design, the steering is very sensitive, and the four needle bearing designs have small rotation resistance, the operation bridge can be more labor-saving, and the operation is more smooth.

[0036] 5. A square step is designed on the bridge shaft, and a similar step groove is formed on the bridge rod, so that the bridge shaft can be fixed in four directions, and the flexibility of the bridge can be changed by adjusting the direction of the bridge shaft.

[0037] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement without creative labor should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A new low resistance double apex skateboard bridge, characterized in that: It includes bridge beam (3), base piece (1) and base connecting piece (2), the base connecting piece (2) is slidably installed on the base piece (1), the bridge beam (3) is arranged between the base piece (1) and the base connecting piece (2), both ends of the bridge beam (3) are provided with bridge shafts (8), the main nail piece (6) is installed on the base connecting piece (2), one end of the main nail piece (6) enters the reserved position of the bridge beam (3), and the PU pad (4) and the PU washer (5) are sleeved on the end of the main nail piece (6) away from the base connecting piece (2), the base piece (1) and the base connecting piece (2) are provided with vertex seats, the bridge beam (3) is provided with vertex pieces (14) towards the vertex seats, the other end of the vertex piece (14) is inserted into the vertex seat, and the buffer connecting piece for providing axial and radial support is installed, the exposed section of the vertex piece (14) is provided with end face needle bearing (7).

2. The novel low rolling resistance dual hump skateboard bridge as claimed in claim 1, wherein: The buffer connecting piece includes vertex sleeve (15), axial buffer pad (10), radial buffer sleeve (12) and vertex needle bearing (11), one end of the vertex piece (14) inside the vertex seat is reduced inward, and the vertex sleeve (15) is installed, the end face of the vertex seat away from the bridge beam (3) is provided with the axial buffer pad (10), the outside of the vertex sleeve (15) is provided with the vertex needle bearing (11), and the outside of the vertex needle bearing (11) is provided with the radial buffer sleeve (12).

3. The novel low rolling resistance dual hump skateboard deck of claim 1, wherein: The base piece (1) is provided with a main nail fixing port, the base connecting piece (2) is provided with a through hole corresponding to the main nail fixing port, the main nail piece (6) is arranged in the main nail fixing port and connected with the bridge beam (3) through the through hole, and the end of the main nail piece (6) away from the base connecting piece (2) is provided with a screw thread, and a main nail nut (17) for pressing the PU washer and the PU washer (4) is threadedly connected.

4. The novel low rolling resistance dual hump skateboard deck of claim 1, wherein: The base connecting piece (2) is provided with a fixing hole on both sides of the main nail fixing port, and a base connecting screw (13) for fixing the base connecting piece (2) on the base piece (1) is installed in the fixing hole.

5. The novel low rolling resistance dual hump skateboard deck of claim 1, wherein: Both ends of the bridge beam (3) are provided with stepped grooves (18), the inner wall surface of the stepped groove (18) is provided with an axle hole, one end of the bridge beam (3) passes through the stepped groove (18) and the axle hole, and a bridge shaft (8) nut for fixing the bridge shaft (8) is threadedly connected, and the middle of the bridge shaft (8) is protruded to form a step (16) matched with the stepped groove (18), and the step (16) is inserted into the stepped groove (18).

6. The novel low roll resistance dual hump skateboard bridge as claimed in claim 2, wherein: The axial buffer pad (10) and the radial buffer sleeve (12) are both polyurethane materials.