Wheel structure of train model

Abstract

The utility model discloses a wheel structure of a train model, which is characterized by comprising a wheel, a half shaft, a shaft sleeve and a power-taking tip, the half shaft is arranged on the inner side of the wheel, the power-taking tip is arranged on the outer side of the wheel, and the half shaft is inserted into mounting holes at two ends of the shaft sleeve; the shaft sleeve is insulated, and the wheel, the shaft and the electricity taking tip are all conductive. According to the utility model, the power-taking tip is arranged, so that a power supply provided by the rail can be connected with an electric appliance in the train model to form a power supply path; the connection mode and parameters of the axle sleeve and the half axle are set to ensure reliable connection of the axle sleeve and the half axle, and the structural parameters are set to ensure high reliability of the wheel structure and stable power supply access; and the whole structure is simple, the manufacturing cost is low, material loss can be greatly reduced, and maintenance is easy when damage occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of models, in particular to a wheel structure of a train model. Background Art

[0002] In addition to being a wheel, the wheel structure of a train model is also responsible for the power supply and extraction function of the train model. The power provided by the rails is connected to the electrical appliances inside the train model to form a power path. One of the rails is the positive pole of the power supply, and the other is the negative pole of the power supply. Therefore, the wheels on the left and right sides need to be insulated to rotate the connecting shaft to avoid a short circuit in the circuit.

[0003] The prior art usually involves drilling holes inside the wheels, inserting insulating washers inside the holes, and then connecting the shafts through the insulating washers to insulate the wheels on both sides and prevent short circuits. However, the prior art methods have complex structures, are difficult to assemble and manufacture, have high material loss costs, and are difficult to repair when damage occurs.

[0004] For example, the Japanese patent with publication number JP3158447U discloses a wheel for a horizontal railway vehicle, which has the function of determining whether there is a model railway vehicle running on a two-track track such as an N gauge or an HO gauge. The patent has multiple wheel structures, each of which is provided with a resistor, which will generate a load current. At the same time, there is no power-taking tip to supply power to the internal electrical appliances in the train model. The connection between the axle and the wheel is relatively complicated, the combination manufacturing is difficult, the material loss cost is high, and the difficulty of repair is great when damage occurs. Therefore, the patent is suitable for detecting vehicles in motion, but not for the normal driving and power supply of the train model. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a wheel structure of a train model.

[0006] The utility model adopts the following technical solutions:

[0007] The utility model provides a wheel structure of a train model, comprising a wheel, a half-axle, a shaft sleeve and a power-taking tip, wherein the wheel has a half-axle inside and a power-taking tip outside, and the half-axle is inserted into mounting holes at both ends of the shaft sleeve; the shaft sleeve is insulated, and the wheel, the half-axle and the power-taking tip are all conductive.

[0008] Preferably, the shaft sleeve and the half shaft are connected by interference fit or glue.

[0009] Preferably, the wheel, half-axle and power-taking tip are an integral structure made of metal material.

[0010] Preferably, the shaft sleeve is a hollow cylindrical structure made of plastic.

[0011] Preferably, the inner diameter of the sleeve is 0.5-5 mm, the length is 4-20 mm, and the wall thickness is 0.1-1 mm.

[0012] Preferably, a gear is provided on the shaft sleeve.

[0013] Preferably, the semi-shaft is a cylinder with a chamfered end, and the diameter of the semi-shaft is 0.5-5 mm and the length is 1-7 mm.

[0014] Preferably, the power extraction tip is conical, and the bottom diameter of the power extraction tip is 0.3-3 mm.

[0015] Preferably, a limit stopper is provided on the wheel.

[0016] Preferably, the wheel diameter is 2-20 mm.

[0017] The utility model has the following beneficial effects:

[0018] 1. A power-taking tip is provided to connect the power provided by the rails to the electrical appliances inside the train model to form a power supply path;

[0019] 2. Set the connection mode and parameters of the sleeve and the half-shaft to ensure the reliable connection between the sleeve and the half-shaft, set various structural parameters to ensure the reliability of the wheel structure and the stability of the power supply path;

[0020] 3. A gear is arranged on the shaft sleeve to mesh with the transmission shaft of the train model to assist the train model to move forward;

[0021] 4. The overall structure is simple and the production cost is low, which can greatly save material loss and is easy to repair when damage occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure provided by Example 1 of the utility model;

[0023] Figure 2 This is a schematic diagram of the wheel structure provided by Embodiment 1 of the present utility model;

[0024] Figure 3 It is a schematic diagram of the overall structure provided by Example 2 of the utility model.

[0025] In the figure: 1-wheel, 2-half-axle, 3-axle sleeve, 4-power extraction tip, 5-limit baffle, 6-gear. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] like Figure 1 , 2 As shown, a wheel structure of a train model includes a wheel 1, a half-axle 2, a bushing 3 and a power-taking tip 4. The wheel 1 has a half-axle 2 on the inner side and a power-taking tip 4 on the outer side. The half-axle 2 is inserted into mounting holes at both ends of the bushing 3. The bushing 3 is insulated, and the wheel 1, the half-axle 2 and the power-taking tip 4 are all conductive.

[0029] In this embodiment, the shaft sleeve 3 is integrally formed by injection molding. The shaft sleeve 3 is made of plastic material, which is a kind of insulating material and has an insulating effect.

[0030] The connection between the shaft sleeve 3 and the half shaft 2 is an interference fit connection or a glue connection.

[0031] In this embodiment, the shaft sleeve 3 and the half shaft 2 are connected by interference fit, which is simple to install and reliable in connection.

[0032] The wheel 1, the half shaft 2 and the power-taking tip 4 are an integrated structure made of metal material.

[0033] In this embodiment, the wheel 1 is a metal wheel, the half-axle 2 and the power-taking tip 4 are all made of metal materials, and the wheel 1, the half-axle 2 and the power-taking tip 4 are integrally formed by lathe grinding.

[0034] The shaft sleeve 3 is provided with a gear 6 .

[0035] The shaft sleeve 3 and the gear 6 are integrally formed by injection molding, and the gear 6 on the shaft sleeve 3 can mesh with the transmission shaft of the train model to assist the train model to move forward.

[0036] The shaft sleeve 3 is a hollow cylindrical structure made of plastic.

[0037] The shaft sleeve 3 has an inner diameter of 0.5-5 mm, a length of 4-20 mm, and a wall thickness of 0.1-1 mm.

[0038] The semi-axle 2 is a cylinder with chamfered ends.

[0039] The chamfered design makes it easier for the half shaft to be inserted into the sleeve.

[0040] The diameter of the semi-axle 2 is 0.5-5 mm, and the length is 1-7 mm.

[0041] Reasonable setting of the diameter and length of the half-axle 2 can ensure the reliability of the connection and avoid damage to the wheel structure.

[0042] The power extraction tip 4 is conical, and the bottom diameter of the power extraction tip 4 is 0.3-3 mm.

[0043] The power-taking tip 4 connects the wheel structure and the train model to form a power path to supply power to the train model. The bottom diameter of the power-taking tip 4 ensures the connection area between the power-taking tip 4 and the wheel 1, thereby ensuring the stability of the power path.

[0044] At the same time, the power-taking tip 4 also plays a role in fixing the wheel structure. A buckle is provided at the place where the train model is connected to the wheel structure. The power-taking tip 4 is installed in the buckle to play a role in fixing the wheel structure. When the power-taking tip 4 needs to take power, the buckle is metal, forms a power path, and fixes the wheel structure at the same time; when the power-taking tip 4 does not need to take power, the buckle is plastic, does not form a power path, and only fixes the wheel structure.

[0045] The wheel 1 is provided with a limit stopper 5 .

[0046] The limit stopper 5 can prevent the train model from falling off the track.

[0047] The wheel 1 has a diameter of 2 to 20 mm.

[0048] The wheel structure in this embodiment is suitable for use in a train model where a transmission shaft is provided.

[0049] Embodiment 2:

[0050] This embodiment is improved on the basis of embodiment 1. Figure 3 As shown, the difference between this embodiment and embodiment 1 is that the arrangement of the gear 6 on the shaft sleeve 3 is cancelled.

[0051] When the wheel structure is applied to a part of a train model without a transmission shaft, there is no need for the gear 6 to mesh with the transmission shaft, so the present embodiment cancels the setting of the gear 6 and is applicable to the part without a transmission shaft. When the wheel structure is applied to a part of a train model without a transmission shaft, canceling the setting of the gear 6 can make the wheel structure simpler and save more material loss.

[0052] The wheel structure designed by the utility model has a simple structure, low manufacturing cost, high reliability and easy maintenance. The utility model can greatly save material loss. When the same amount of materials is used, the prior art can only produce one set of wheel structures, while the utility model can produce two sets of wheel structures.

Claims

1. A wheel structure for a train model, characterized in that: The invention comprises a wheel (1), a half-axle (2), a shaft sleeve (3) and a power-collecting tip (4); the wheel (1) has a half-axle (2) on the inner side and a power-collecting tip (4) on the outer side; the half-axle (2) is inserted into mounting holes at both ends of the shaft sleeve (3); the shaft sleeve (3) is insulated, and the wheel (1), the half-axle (2) and the power-collecting tip (4) are all conductive.

2. The wheel structure of the train model according to claim 1, characterized in that: The connection between the shaft sleeve (3) and the half shaft (2) is an interference fit connection or a glue connection.

3. The wheel structure of the train model according to claim 1, characterized in that: The wheel (1), the half-axle (2) and the power-collecting tip (4) are an integrated structure made of metal material.

4. The wheel structure of the train model according to claim 1, characterized in that: The shaft sleeve (3) is a hollow cylindrical structure made of plastic.

5. The wheel structure of the train model according to claim 1, characterized in that: The shaft sleeve (3) has an inner diameter of 0.5 to 5 mm, a length of 4 to 20 mm, and a wall thickness of 0.1 to 1 mm.

6. The wheel structure of a train model as claimed in claim 1, characterized in that: A gear (6) is arranged on the shaft sleeve (3).

7. The wheel structure of a train model as claimed in claim 1, characterized in that: The semi-axle (2) is a cylinder with a chamfered end. The diameter of the semi-axle (2) is 0.5 to 5 mm and the length is 1 to 7 mm.

8. The wheel structure of a train model as claimed in claim 1, characterized in that: The power extraction tip (4) is conical, and the bottom surface diameter of the power extraction tip (4) is 0.3-3 mm.

9. The wheel structure of a train model as claimed in claim 1, characterized in that: A limit stopper (5) is provided on the wheel (1).

10. The wheel structure of a train model as claimed in claim 1, characterized in that: The wheel (1) has a diameter of 2 to 20 mm.

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