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 at 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 beneficial effects 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 invention belongs to the field of seat tubes, and in particular relates to a seat tube with a pressure visual window. Background Art

[0002] At present, there are many models on the market that are designed without a suspension system. Therefore, the present application designs a suspension seat tube with a four-link mechanism to solve some of the problems. Only by simply replacing the seat tube, a riding experience similar to that of a suspension model can be obtained, and the seat tube can be used in the modification market. In addition, many seat tubes currently do not have the function of displaying the pressure of the spring, nor can they prompt the rider of the upper and lower limits of the pressure. The rider cannot choose the appropriate model according to the actual situation, and thus the present application designs a seat tube structure with a pressure visual window. Summary of the invention

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

[0004] To achieve the above object, the technical solution of the present invention 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, wherein a connecting rod structure is installed on the top of the tube structure, a shock-absorbing structure is installed inside the tube structure, and an upper end of the shock-absorbing structure is located inside a bottom 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 visible window is a runway structure.

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

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

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

[0011] Furthermore, the visible 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 a lower link and an 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, and the visual window has different shapes to 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 constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

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

[0020] Figure 2 A schematic diagram of an integral seat tube with a triangular shape according to an embodiment of the present invention;

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

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

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

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

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

[0026] Figure 8 A schematic top view of an integral seat tube according to an embodiment of the present invention;

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

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

[0029] Fig.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-link structure; 21. Base; 22. Locking spring; 23. Iron bow support arm; 24. Upper connecting rod; 25. Lower connecting rod; 26. Inner clamping piece; 27. Outer clamping piece; 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 in the embodiments may 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 positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like 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 the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

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

[0036] like Figures 1 to 11 As shown, a seat tube with a pressure visual window comprises a tube structure 1, a four-link structure 2 and a shock-absorbing structure 3, wherein the connecting rod structure 2 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 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 linkage 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 linkage 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 racetrack structure, a triangle structure, an ellipse structure, a circle structure, a rectangle structure, and a square structure. The specific structure can be determined according to the actual situation.

[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 structure 2 includes a base 21, an iron bow support arm 23, an upper connecting rod 24, a lower connecting rod 25, an inner clamping piece 26, an outer clamping piece 27, a locking screw 28 and a locking spring 22. A tube structure 1 is installed at the bottom of the four-bar linkage structure 2. The lower connecting rod 25 and the upper connecting rod 24 are installed in sequence from bottom to top above the base 21. 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 piece 26 is respectively installed on both sides above the iron bow support arm 23. An outer clamping piece 27 is installed on the outer side of each inner clamping piece 26 through a locking spring 22. The locking screw 28 is installed to the iron bow support arm 23 after the outer clamping piece 27, the locking spring 22 and the inner clamping piece 26 in sequence. The four-link structure 2 makes the product stronger and avoids the problem of damage caused by increased gaps due to long-term use; it increases stability; the support rod and the 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 substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope 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. A seat tube with a pressure visual window according to claim 1, characterized in that: The visual window (11) is a runway structure.

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

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

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

6. A 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 from top to bottom.

9. The seat tube with a pressure visual window according to claim 1, characterized in that: The four-bar linkage 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-bar linkage 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), one end of the lower connecting rod (25) and the upper connecting rod (24) are both mounted on the iron bow support arm (23), an inner clamping member (26) is respectively mounted on both sides above the iron bow support arm (23), an outer clamping member (27) is mounted on the outer side of each inner clamping member (26) through a locking spring (22), and the locking screw (28) is sequentially mounted on the outer clamping member (27), the locking spring (22) and the inner clamping member (26) and then mounted on the iron bow support arm (23).

10. The seat tube with a pressure visual 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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