Seat tube with pressure visible window

Abstract

The seat tube with the pressure visible window comprises a tube body structure, a four-connecting-rod structure and a shock-proof structure, a connecting rod structure is installed on the top of the tube body structure, the shock-proof structure is installed in the tube body structure, and the upper end of the shock-proof structure is located in the bottom end of the connecting rod structure. The seat tube structure has the advantages that in order to meet the requirements of different consumers, the seat tube structure is provided with the visible window, the visible window has different shapes and can be selected by the consumers, in addition, the seat tube can display the range threshold value of spring pressure while achieving shock absorption, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the field of seat tubes, in particular to a seat tube with a pressure visual window. Background Art

[0002] Currently, many models on the market are designed without a suspension system. Therefore, this application designs a suspension seat post with a four-bar linkage mechanism to solve some of these problems. By simply replacing the seat post, a riding experience similar to that of a suspension model can be achieved, which can be used in the modification market. In addition, many seat posts currently do not have the function of displaying the spring pressure, nor can they inform the rider of the upper and lower pressure limits. Riders can choose the appropriate model based on their actual situation, and thus this application designs a seat post structure with a pressure visual window. Utility Model Content

[0003] In view of this, the present invention aims to provide a seat tube with a pressure visual window to solve at least one problem existing in the above-mentioned prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0005] A seat tube with a pressure visual window comprises a tube structure, a four-link structure and a shock-absorbing structure. The tube structure is mounted on top of the connecting rod structure, and the shock-absorbing structure is mounted inside the tube structure, with the upper end of the shock-absorbing structure located inside the lower end of the connecting rod structure.

[0006] A visual window is provided at the bottom of the tube structure, and scale lines are respectively provided on both sides of the visual window.

[0007] Furthermore, the visual window is a runway structure.

[0008] Furthermore, the visual window is a triangular structure.

[0009] Furthermore, the visual window is an elliptical structure.

[0010] Furthermore, the visual window is a circular structure.

[0011] Furthermore, the visual window is a rectangular structure.

[0012] Furthermore, the visual window is a square structure.

[0013] Furthermore, the scale lines on one side of the visual window display the maximum and minimum marks at the upper and lower ends, and the scale lines on the other side of the visual window display 150kg / 20kg / 50kg marks from top to bottom.

[0014] Furthermore, the four-bar linkage structure includes a base, an iron bow support arm, an upper link, a lower link, an inner clamp, an outer clamp, a locking screw and a locking spring. A tube structure is installed at the bottom of the four-bar linkage structure, and the lower link and the upper link are installed above the base from bottom to top. The lower link and the upper link are both installed to the base through bushings and optical axes. The lower link is located at the lower part of the upper link, and one end of the lower link and the upper link are both installed to the iron bow support arm. An inner clamp is installed on both sides above the iron bow support arm, and an outer clamp is installed on the outside of each inner clamp through a locking spring. The locking screw is installed to the iron bow support arm after the outer clamp, the locking spring and the inner clamp.

[0015] Furthermore, it also includes a lamp, which is installed on one side of the four-bar structure.

[0016] Compared with the prior art, the seat tube with a pressure visual window described in the present invention has the following advantages:

[0017] The seat tube with a pressure visual window described in the present invention is provided with a visual window in order to meet the needs of different consumers. The visual window has different shapes and can provide consumers with a variety of choices. In addition, the seat tube of the present application can display the range threshold of the spring pressure while achieving shock absorption, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of an integral seat tube with a racetrack shape according to an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of a triangular-shaped integral seat tube according to an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of an integral seat tube with an elliptical shape according to an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of an integral seat tube with a circular shape according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of an integral seat tube with a rectangular shape according to an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of an integral seat tube with a square shape according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of a top view of the integral seat tube according to an embodiment of the present invention;

[0026] Figure 8 This is a schematic top view of the integrated seat tube according to an embodiment of the present utility model;

[0027] Figure 9 for Figure 8 Schematic cross-sectional view in the AA direction;

[0028] Figure 10 for Figure 8 Schematic cross-sectional view in the middle BB direction;

[0029] Figure 11 for Figure 1 A magnified schematic diagram of C in the middle.

[0030] Description of reference numerals:

[0031] 1. Tube structure; 11. Visual window; 12. Scale line; 2. Four-bar linkage; 21. Base; 22. Locking spring; 23. Iron bow support arm; 24. Upper connecting rod; 25. Lower connecting rod; 26. Inner clamp; 27. Outer clamp; 28. Locking screw; 3. Shock-absorbing structure; 31. Conversion rod assembly; 32. Shock-absorbing spring assembly; 4. Lamp. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and 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. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0034] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0035] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0036] like Figures 1 to 11 As shown, a seat tube with a pressure visual window includes a tube structure 1, a four-link structure 2, and a shock-absorbing structure 3. The connecting rod structure 2 is installed on the top of the tube structure 1, and the shock-absorbing structure 3 is installed inside the tube structure 1, and the upper end of the shock-absorbing structure 3 is located inside the bottom end of the connecting rod structure 2.

[0037] A visual window 11 is provided at the bottom of the tube structure 1 , and scale lines 12 are provided on both sides of the visual window 11 .

[0038] In a preferred embodiment of the present invention, a lamp 4 can be installed on one side of the four-bar structure 2. In actual production, the lamp 4 can be installed or not. If the lamp 4 is not installed, a shell can be added to the four-bar structure 2.

[0039] In order to meet the needs of different consumers, the seat tube structure of the present invention is provided with a visual window, and the visual window has different shapes, providing consumers with a variety of choices. In addition, the seat tube of the present application can display the range threshold of the spring pressure while achieving shock absorption, and is highly practical.

[0040] In a preferred embodiment of the present invention, the visual window 11 has six shapes, namely, a runway structure, a triangle structure, an elliptical structure, a circular structure, a rectangular structure, and a square structure. The specific structure can be determined according to actual conditions.

[0041] In a preferred embodiment of the present invention, the scale line 12 located on one side of the visual window 11 displays the maximum (MAX) and minimum (MIN) marks at the upper and lower ends, and the scale line 12 located on the other side of the visual window 11 displays 150kg / 20kg / 50kg marks from top to bottom.

[0042] In a preferred embodiment of the present invention, the four-bar linkage 2 includes a base 21, an iron bow support arm 23, an upper connecting rod 24, a lower connecting rod 25, an inner clamping member 26, an outer clamping member 27, a locking screw 28 and a locking spring 22. A tubular structure 1 is installed at the bottom of the four-bar linkage 2. The lower connecting rod 25 and the upper connecting rod 24 are installed above the base 21 from bottom to top. The lower connecting rod 25 and the upper connecting rod 24 are both installed to the base 21 through bushings and optical axes. The lower connecting rod 25 is located at the lower part of the upper connecting rod 24. One end of the lower connecting rod 25 and the upper connecting rod 24 are both installed to the iron bow support arm 23. An inner clamping member 26 is installed on both sides above the iron bow support arm 23. An outer clamping member 27 is installed on the outside of each inner clamping member 26 through a locking spring 22. The locking screw 28 is installed to the iron bow support arm 23 after the outer clamping member 27, the locking spring 22 and the inner clamping member 26. The four-link structure 2 makes the product stronger, avoiding the problem of damage caused by increased gaps due to long-term use; it increases stability; the support rod and nut are matched with arc surfaces, so when the product is used, there will be no sense of segmentation and it will be smoother.

[0043] In a preferred embodiment of the present invention, the shock-absorbing structure 3 includes a conversion rod assembly 31 and a shock-absorbing spring assembly 32. The tightness of the nut 13 of the shock-absorbing spring assembly 32 is adjusted by the conversion rod assembly 31 to change the damping size of the shock-absorbing spring, and the shock-absorbing structure 3 is an existing transmission seat tube shock-absorbing structure.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A seat tube with a pressure visual window, characterized in that: It comprises a tube structure (1), a four-link structure (2) and a shock-absorbing structure (3), wherein the connecting rod structure is installed on the top of the tube structure (1), the shock-absorbing structure (3) is installed inside the tube structure (1), and the upper end of the shock-absorbing structure (3) is located inside the bottom end of the connecting rod structure; A visual window (11) is provided at the bottom of the tube structure (1), and scale lines (12) are respectively provided on both sides of the visual window (11).

2. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a runway structure.

3. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a triangular structure.

4. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is an elliptical structure.

5. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a circular structure.

6. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a rectangular structure.

7. The seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a square structure.

8. The seat tube with a pressure visual window according to claim 1, characterized in that: The scale line (12) located on one side of the visual window (11) displays the maximum and minimum marks at the upper and lower ends, and the scale line (12) located on the other side of the visual window (11) displays 150kg / 20kg / 50kg marks in sequence from top to bottom.

9. The seat tube with a pressure visual window according to claim 1, characterized in that: The four-link structure (2) comprises a base (21), an iron bow support arm (23), an upper link (24), a lower link (25), an inner clamp (26), an outer clamp (27), a locking screw (28) and a locking spring (22). A tubular structure (1) is installed at the bottom of the four-link structure (2). The lower link (25) and the upper link (24) are installed in sequence from bottom to top above the base (21). The lower link (25) and the upper link (24) are both installed to the base (21) through a shaft sleeve and an optical axis. The lower connecting rod (25) is located at the lower part of the upper connecting rod (24), and one end of the lower connecting rod (25) and the upper connecting rod (24) are both installed on the iron bow support arm (23). An inner clamping member (26) is installed on both sides above the iron bow support arm (23). An outer clamping member (27) is installed on the outer side of each inner clamping member (26) through a locking spring (22). The locking screw (28) is installed to the iron bow support arm (23) after the outer clamping member (27), the locking spring (22) and the inner clamping member (26) are sequentially tightened.

10. The seat tube with a pressure viewing window according to claim 1, characterized in that: It also includes a lamp (4), which is mounted on one side of the four-bar linkage structure (2).

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