Saddle tube locking device

Abstract

The utility model relates to the technical field of electric vehicle accessories, in particular to a saddle tube locking device which is used for locking an electric vehicle saddle tube and comprises a fixing mechanism, a jacking mechanism and a locking mechanism. The fixing mechanism is arranged on the outer side of a middle pipe of the electric vehicle in a sleeving mode, the fixing mechanism is provided with a containing space, the containing space is communicated with the middle pipe, the jacking mechanism is arranged in the containing space, and the locking mechanism is arranged on the side, away from the middle pipe, of the containing space. The distance adjusting mechanism is used for adjusting the distance between the jacking mechanism and the middle pipe. The saddle tube locking device provided by the utility model can be applied to the types of frame middle tubes and saddle tubes with larger diameters, has good applicability, and is not limited too much.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle accessories, in particular to a saddle pipe locking device. Background Art

[0002] As a low-carbon and environmentally friendly means of personal transportation, electric bicycles are becoming more and more popular and widely used.

[0003] At present, the existing electric vehicle seat tube locking mechanism is mostly annular clamp locking parts, which have high requirements on the outer diameter of the frame and the inner strength of the seat tube. Therefore, it cannot be used on the type of frame with a large difference between the diameter of the center tube and the seat tube, which is greatly limited and leads to low applicability. Utility Model Content

[0004] (1) The utility model provides a saddle pipe locking device to alleviate the technical problem of low applicability of the saddle pipe locking method in the prior art.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, an embodiment of the present utility model provides a seat tube locking device for locking the seat tube of an electric vehicle, comprising a fixing mechanism, a tightening mechanism and a locking mechanism;

[0007] The fixing mechanism is sleeved on the outside of the middle tube of the electric vehicle. The fixing mechanism is provided with an accommodating space, and the accommodating space is communicated with the middle tube. The tightening mechanism is arranged in the accommodating space. The locking mechanism is arranged on the side of the accommodating space away from the middle tube, and is used to adjust the distance between the tightening mechanism and the middle tube.

[0008] Furthermore, the tightening mechanism includes a top block, which is arranged in the accommodating space. The locking mechanism passes through the side wall of the fixing mechanism and abuts against the top block to adjust the distance between the top block and the middle tube.

[0009] Furthermore, the fixing mechanism includes a bushing, which is sleeved on the outside of the middle tube, and the top block is arranged in the bushing. The locking mechanism passes through the side wall of the bushing and abuts against the top block.

[0010] Furthermore, the accommodating space is opened in the bushing, and a connecting hole is opened on the side wall of the bushing. The connecting hole is connected to the accommodating space, and the locking mechanism passes through the connecting hole and abuts against the top block.

[0011] Furthermore, the bushing is provided with a protrusion, and the protrusion is provided with strip-shaped openings on both sides along its own axial direction, and the two strip-shaped openings are connected to each other to form the accommodating space.

[0012] Furthermore, the top block can move within the accommodating space, and the locking mechanism abuts against the top block after passing through the connecting hole, so as to adjust the top block to be close to or away from the middle tube.

[0013] Furthermore, at least two connecting holes are provided, and each of the connecting holes is axially spaced apart along the extension direction of the bushing.

[0014] Furthermore, the connection hole is provided on a side wall adjacent to the protrusion and the strip-shaped opening.

[0015] Furthermore, the locking mechanism includes locking pieces, the number of the locking pieces corresponds to the number of the connecting holes, and the locking pieces pass through the connecting holes and abut against the top block.

[0016] Furthermore, the locking member is an adjusting bolt.

[0017] Beneficial effects of the utility model:

[0018] The utility model provides a seat tube locking device for locking the seat tube of an electric vehicle, comprising a fixing mechanism, a tightening mechanism and a locking mechanism. The fixing mechanism is sleeved on the outer side of the middle tube of the electric vehicle, the fixing mechanism is provided with an accommodating space, and the accommodating space is communicated with the middle tube. The tightening mechanism is arranged in the accommodating space, and the distance between the tightening mechanism and the middle tube is adjusted by the locking mechanism, thereby achieving locking of the seat tube. As a result, the seat tube locking device provided by the utility model can be used on bicycles with large diameters of the middle tube and the seat tube of the frame, and has good applicability without being subject to excessive restrictions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A side view of the overall structure of a seat tube locking device provided in an embodiment of the utility model;

[0021] Figure 2 A front view of the overall structure of a seat tube locking device provided in an embodiment of the utility model;

[0022] Figure 3 The present invention provides an oblique side view of the overall structure of a seat tube locking device provided in an embodiment of the utility model.

[0023] icon:

[0024] 100-fixing mechanism; 101-bushing; 102-connecting hole; 103-protrusion; 104-strip opening;

[0025] 200-tightening mechanism; 201-top block;

[0026] 300-Locking mechanism. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In the description of this utility model, it should be noted that the terms "upper" and "lower" and other terms indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installation", "connection", and "connection" 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, an indirect connection through an intermediate medium, or a connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] like Figures 1 to 3 As shown, the present invention provides a saddle tube locking device for locking the saddle tube of an electric vehicle, comprising a fixing mechanism 100, a tightening mechanism 200, and a locking mechanism 300; the fixing mechanism 100 is sleeved on the outside of the middle tube of the electric vehicle, the fixing mechanism 100 is provided with a receiving space, the receiving space is communicated with the middle tube, the tightening mechanism 200 is arranged in the receiving space, and the locking mechanism 300 is arranged on the side of the receiving space away from the middle tube, for adjusting the distance between the tightening mechanism 200 and the middle tube.

[0031] In this embodiment, the seat tube locking device includes a fixing mechanism 100, a tightening mechanism 200 and a locking mechanism 300. The fixing mechanism 100 is sleeved on the outer side of the middle tube of the electric vehicle. The fixing mechanism 100 is provided with an accommodating space, and the accommodating space is communicated with the middle tube. The tightening mechanism 200 is arranged in the accommodating space, and the distance between the tightening mechanism 200 and the middle tube is adjusted by the locking mechanism 300, thereby achieving the locking of the seat tube. As a result, the seat tube locking device provided by the utility model can be used for the type of frame middle tube and seat tube with larger diameters, has good applicability, and is not subject to excessive restrictions.

[0032] According to an embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, the tightening mechanism 200 includes a top block 201, which is arranged in the accommodating space. The locking mechanism 300 passes through the side wall of the fixing mechanism 100 and abuts against the top block 201 to adjust the distance between the top block 201 and the middle tube.

[0033] In this embodiment, the tightening mechanism 200 includes a top block 201, which is directly mounted in the accommodation space of the fixing mechanism 100. The top block 201 passes through the side wall of the fixing mechanism 100 and directly abuts against the side wall of the top block 201, thereby adjusting the distance between the top block 201 and the center tube of the frame. By setting the top block 201 and cooperating with the locking mechanism 300, the seat tube is locked. As a result, the seat tube locking device provided by the utility model can be used on bicycles with larger diameters of the center tube and seat tube, thereby increasing the overall applicability.

[0034] According to an embodiment provided by the present utility model, Figure 1 、 Figure 2 and Figure 3 As shown, the fixing mechanism 100 includes a bushing 101 , which is sleeved on the outside of the middle tube, a top block 201 is disposed in the bushing 101 , and a locking mechanism 300 passes through the side wall of the bushing 101 and abuts against the top block 201 .

[0035] In this embodiment, the fixing mechanism 100 includes a bushing 101, which is sleeved on the outside of the middle tube, wherein, preferably, the top block 201 is arranged in the bushing 101, and the locking mechanism 300 passes through the side wall of the bushing 101 and abuts against the top block 201 to adjust the distance between the top block 201 and the middle tube.

[0036] According to an embodiment provided by the present utility model, Figure 1 、 Figure 2 and Figure 3As shown, the accommodating space is opened in the bushing 101 , and a connecting hole 102 is further opened on the side wall of the bushing 101 . The connecting hole 102 is connected to the accommodating space, and the locking mechanism 300 passes through the connecting hole 102 and abuts against the top block 201 .

[0037] In this embodiment, the accommodating space is opened between the bushing 101 to facilitate the arrangement of the top block 201 in the bushing 101. Preferably, a connecting hole 102 is opened on the side wall of the bushing 101, and the connecting hole 102 is directly connected to the accommodating space. During installation, the end of the locking mechanism 300 is directly passed through the connecting hole 102 and abutted against the top block 201. By adjusting the length of the rear end of the locking mechanism 300 passing through the connecting hole 102, the distance between the top block 201 and the middle tube can be changed. The entire adjustment process is simple and the principle is clear.

[0038] According to an embodiment provided by the present utility model, Figure 1 、 Figure 2 and Figure 3 As shown, the bushing 101 is provided with a protrusion 103 , and the protrusion 103 is provided with strip-shaped openings 104 on both sides along its own axial direction. The two strip-shaped openings 104 are interconnected to form an accommodating space.

[0039] In this embodiment, a protrusion is provided on the side of the bushing 101, and strip-shaped openings 104 are opened on both sides of the protrusion along its own axial direction. The entire protrusion is hollow and directly connected to the middle tube. The two strip-shaped openings 104 are also connected to each other, thereby forming a accommodating space that is directly connected to the middle tube for placing the top block 201.

[0040] According to an embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, the top block 201 can move in the accommodation space, and the locking mechanism 300 passes through the connecting hole 102 and abuts against the top block 201 to adjust the top block 201 to be close to or away from the middle tube.

[0041] In this embodiment, the top block 201 can move within the accommodating space, so that the locking mechanism 300 can be used to pass through the connecting hole 102 and abut against the top block 201, and then the length of the end of the locking mechanism 300 passing through the connecting hole 102 can be adjusted to adjust the top block 201 to move within the accommodating space, so that it is close to or away from the middle tube.

[0042] According to an embodiment provided by the present utility model, Figure 2 As shown, there are at least two connecting holes 102 , and each connecting hole 102 is axially spaced apart along the extension direction of the bushing 101 .

[0043] In this embodiment, at least two connecting holes 102 are provided, and each connecting hole 102 is evenly spaced along the axial extension of the bushing 101. Optionally, the number of connecting holes 102 can also be set to three, four or more, which can be increased or decreased according to actual usage requirements to meet usage requirements.

[0044] According to an embodiment provided by the present utility model, Figure 2 As shown, the connection hole 102 is provided on the side wall adjacent to the protrusion 103 and the strip-shaped opening 104 .

[0045] In this embodiment, the connecting hole 102 is optionally formed directly on the side wall of the protrusion 103, i.e., the side wall of the protrusion 103 adjacent to the strip-shaped opening 104, so that the locking mechanism 300 can directly abut against the side wall of the top block 201 after passing through the connecting hole 102, and adjust the distance between the top block 201 and the center tube, thereby achieving the locking of the seat tube, and further enabling the seat tube locking device provided by the present invention to be used on bicycles with larger diameters of the center tube and seat tube.

[0046] According to an embodiment provided by the present utility model, Figure 1 As shown, the locking mechanism 300 includes locking pieces, and the number of the locking pieces corresponds to the number of the connecting holes 102 . The locking pieces pass through the connecting holes 102 and abut against the top block 201 .

[0047] In this embodiment, the locking mechanism 300 includes a locking member, wherein preferably, the number of the locking members corresponds to the number of the connecting holes 102, that is, the number of the locking members is equal, and each connecting hole 102 is equipped with a corresponding locking member. During adjustment, the locking member passes through the corresponding connecting hole 102 and abuts against the top block 201. Then, by adjusting the length of the protruding end of the locking member after passing through the connecting hole 102, the top block 201 is driven close to or away from the center tube, thereby achieving the locking of the seat tube. As a result, the seat tube locking device provided by the utility model can be used for bicycles with larger diameters of the center tube and seat tube.

[0048] According to an embodiment provided by the present utility model, Figure 1 As shown, the locking member is an adjusting bolt.

[0049] In this embodiment, preferably, the locking member is an adjusting bolt, and the connecting hole 102 is configured as a threaded hole that can be used in conjunction with the adjusting bolt, that is, a thread is provided on the inner side wall of the connecting hole 102, and the length of the end of the adjusting bolt protruding from the connecting hole 102 is controlled by the threaded connection, thereby driving the top block 201 close to or away from the center tube, thereby achieving the locking of the seat tube, and thus enabling the seat tube locking device provided by the utility model to be used on bicycles with larger center tubes and seat tubes.

[0050] Among them, optionally, the locking member can also be a screw, a bolt or other components that can change the length of the end protruding from the connecting hole 102. Its purpose does not deviate from the design concept of the present invention and should fall within the scope of protection of the present invention.

[0051] The above are only preferred embodiments of the present invention and are 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 locking device for locking the seat tube of an electric vehicle, characterized in that: It comprises a fixing mechanism (100), a tightening mechanism (200) and a locking mechanism (300); The fixing mechanism (100) is sleeved on the outside of the middle tube of the electric vehicle. The fixing mechanism (100) is provided with a receiving space, the receiving space is communicated with the middle tube, the pressing mechanism (200) is provided in the receiving space, and the locking mechanism (300) is provided on a side of the receiving space away from the middle tube, and is used to adjust the distance between the pressing mechanism (200) and the middle tube.

2. The seat tube locking device according to claim 1, characterized in that: The tightening mechanism (200) includes a top block (201), the top block (201) is arranged in the accommodating space, and the locking mechanism (300) passes through the side wall of the fixing mechanism (100) and abuts against the top block (201), so as to adjust the distance between the top block (201) and the middle tube.

3. The seat tube locking device according to claim 2, characterized in that: The fixing mechanism (100) comprises a bushing (101), the bushing (101) is sleeved on the outside of the middle tube, the top block (201) is arranged in the bushing (101), and the locking mechanism (300) passes through the side wall of the bushing (101) and abuts against the top block (201).

4. The seat tube locking device according to claim 3, characterized in that: The accommodating space is opened in the bushing (101), and a connecting hole (102) is further opened on the side wall of the bushing (101). The connecting hole (102) is connected to the accommodating space, and the locking mechanism (300) passes through the connecting hole (102) and abuts against the top block (201).

5. The seat tube locking device according to claim 4, characterized in that: The bushing (101) is provided with a protrusion (103), and the protrusion (103) is provided with strip-shaped openings (104) along both sides of its own axial direction, and the two strip-shaped openings (104) are interconnected to form the accommodating space.

6. The seat tube locking device according to claim 5, characterized in that: The top block (201) is movable in the accommodation space, and the locking mechanism (300) passes through the connection hole (102) and abuts against the top block (201) to adjust the top block (201) to move closer to or farther from the middle tube.

7. The seat tube locking device according to claim 5, characterized in that: At least two connecting holes (102) are provided, and each connecting hole (102) is axially spaced apart along the extension direction of the bushing (101).

8. The seat tube locking device according to claim 7, characterized in that: The connecting hole (102) is provided on a side wall adjacent to the protruding portion (103) and the strip-shaped opening (104).

9. The seat tube locking device according to claim 8, characterized in that: The locking mechanism (300) comprises locking pieces, the number of which corresponds to the number of the connecting holes (102), and the locking pieces pass through the connecting holes (102) and abut against the top block (201).

10. The seat tube locking device according to claim 9, characterized in that: The locking piece is an adjusting bolt.

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