Seat post locking device

Abstract

The utility model discloses a seat post locking device, which relates to the technical field of bicycle cushions and comprises a local frame, a seat post body is sleeved on the inner side of the local frame, and a locking rotation-stopping component and an anti-falling component are arranged at the joint of the seat post body and the local frame. The locking rotation stopping assembly comprises a locking ring, a quick release bolt, a supporting block, two elastic clamping rings, a clamping block, a handle and a clamping groove. According to the technical scheme provided by the utility model, the locking and rotation stopping assembly is arranged, specifically, when a locking ring and a quick-release bolt are matched to primarily lock the seat post body and a local frame, a supporting block is turned over at the moment, so that an elastic clamping ring is clamped on the outer wall of the seat post body, a clamping block is clamped into the inner side of a clamping groove at the moment, and rotation limiting is carried out on the seat post body; the seat post is prevented from rotating, so that the influence on riding comfort caused by deviation of the seat cushion due to rotation of the seat post is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle seat cushion technical field especially, it relates to a seat rod locking device. BACKGROUND

[0002] The seat rod of bicycle seat cushion, also called seat post or seat column, is the supporting structure part of bicycle seat cushion, usually located at the bottom of seat cushion.

[0003] At present, the seat rod of bicycle seat cushion is usually fixed by locking ring after being inserted into the installation pipe of bicycle frame, but in long-term use, although some quick-mounting locking rings are convenient for adjusting the tightness of seat rod, they are mostly tightened by hand, and some women with less strength may not tighten them tightly, which leads to the rotation of seat rod in the riding process, the deviation of seat cushion and the problem of descending under gravity, resulting in poor riding experience of users, thus improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model provides a seat rod locking device to overcome the defects of prior art, solve the problem that the seat rod of bicycle seat cushion is usually fixed by locking ring after being inserted into the installation pipe of bicycle frame in prior art, and the problem that some quick-mounting locking rings are convenient for adjusting the tightness of seat rod in long-term use, but they are mostly tightened by hand, and some women with less strength may not tighten them tightly, which leads to the rotation of seat rod in the riding process, the deviation of seat cushion and the problem of descending under gravity, resulting in poor riding experience of users.

[0005] Therefore, the utility model provides a seat rod locking device, which comprises a partial frame, a seat rod body is sleeved on the inner side of the partial frame, a locking stop component and a descent prevention component are arranged at the connection position of the seat rod body and the partial frame.

[0006] The locking stop component comprises a locking ring, a quick-release bolt, a supporting block, two elastic clamping rings, a clamping block, a handle and a clamping groove, the locking ring is sleeved on the outer wall of the top of the partial frame, the quick-release bolt is threadedly connected on one side of the locking ring, the supporting block is rotationally connected on the outer wall of the quick-release bolt at one end, the two elastic clamping rings are fixedly connected on the top of the supporting block at one end respectively, the clamping block is fixedly connected between the two elastic clamping rings, the handle is fixedly connected on the outer wall of the elastic clamping ring at one end, and the clamping groove is formed in the side of the seat rod body.

[0007] Optionally, the inner side shape of the locking ring is matched with the outer side shape of the top of the partial frame.

[0008] Optionally, the inner side arc surfaces of the two elastic clamping rings are matched with the outer side arc surface of the seat rod body, and the two elastic clamping rings surround the outer wall of the seat rod body by 190-200 degrees.

[0009] Optionally, the two elastic clamping rings are made of polyurethane.

[0010] Optionally, the clamping block is located inside the clamping groove, and the outer width of the clamping block matches the inner width of the clamping groove.

[0011] Optionally, the anti-falling assembly comprises a plurality of first clamping teeth and second clamping teeth, the first clamping teeth are arranged on the inner side of the clamping groove, and the second clamping teeth are arranged on one side of the clamping block.

[0012] Optionally, the first clamping teeth and the second clamping teeth are engaged.

[0013] From the above technical solutions, it can be seen that the embodiments of the utility model have the following advantages:

[0014] 1. The seat rod locking device, by setting up locking stop component, specific, in locking ring and quick release bolt cooperation carries out the preliminary locking between seat rod body and local frame, at this time, the elastic clamping ring is clamped on the outer wall of the seat rod body, at this time, the clamping block is clamped into the inner side of the clamping groove, and the seat rod body is rotated and positioned, to avoid the rotation of the seat rod, so as to avoid the rotation of the seat rod and the deviation of the cushion, which affects the riding comfort.

[0015] 2. The seat rod locking device, by setting up anti-falling assembly, specific, in the clamping block is clamped into the clamping groove, at this time, the first clamping teeth and the second clamping teeth are engaged, the seat rod body is positioned, the bolt is not tightened, the problem of the cushion is avoided, and the firmness of the seat rod is improved.

[0016] The characteristics and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings:

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the seat rod body structure schematic diagram of the utility model;

[0020] Figure 3 It is the locking assembly structure schematic diagram of the utility model;

[0021] Figure 4 It is the locking assembly local structure schematic diagram of the utility model.

[0022] The reference signs are explained as follows: 1, seat rod body; 2, partial frame; 301, locking ring; 302, quick release bolt; 303, supporting block; 304, elastic clamping ring; 305, clamping block; 306, handle; 307, clamping groove; 401, first clamping tooth; 402, second clamping tooth. DETAILED DESCRIPTION

[0023] The technical solutions of the embodiments of the utility model are explained and described below in combination with the drawings of the embodiments of the utility model. However, the following embodiments are only preferred embodiments of the utility model, and not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] One of the seat rod locking devices of the embodiments of the utility model is specifically described below in combination with the drawings.

[0025] Embodiment 1

[0026] For the convenience of understanding, please refer to Figures 1 to 4 One of the seat rod locking devices of the embodiments of the utility model, comprising a partial frame 2, the partial frame 2 is sleeved with a seat rod body 1 on the inner side, the connecting part of the seat rod body 1 and the partial frame 2 is provided with a locking rotation-stopping assembly and an anti-descending assembly.

[0027] The locking rotation-stopping assembly comprises a locking ring 301, a quick release bolt 302, a supporting block 303, two elastic clamping rings 304, a clamping block 305, a handle 306 and a clamping groove 307, the locking ring 301 is sleeved on the top outer wall of the partial frame 2, the quick release bolt 302 is threadedly connected on one side of the locking ring 301, the supporting block 303 is rotatably connected on the outer wall of the quick release bolt 302, one end of the two elastic clamping rings 304 is respectively fixedly connected on the top of the supporting block 303 on both sides, the clamping block 305 is fixedly connected between the two elastic clamping rings 304, one end of the handle 306 is fixedly connected on the outer wall of the elastic clamping ring 304, the clamping groove 307 is opened on one side of the seat rod body 1, the inner side shape of the locking ring 301 is matched with the top outer side shape of the partial frame 2, the clamping block 305 is located in the inner side of the clamping groove 307, and the outer side width of the clamping block 305 is matched with the inner side width of the clamping groove 307.

[0028] It should be noted that by opening the card slot 307 and setting the card block 305, when the locking ring 301 and the quick release bolt 302 cooperate to preliminarily lock the seat rod body 1 and the local frame 2, at this time the turnover supporting block 303 is turned over, so that the elastic clamping ring 304 is clamped on the outer wall of the seat rod body 1, at this time the card block 305 will be clamped into the inside of the card slot 307, and the seat rod body 1 is rotated and limited, avoiding the rotation of the seat rod, thereby avoiding the rotation of the seat rod causing the cushion to deviate and affecting the riding comfort, wherein the handle 306 is arranged to pinch the two handles 306 to make the elastic clamping ring 304 open and separate from the seat rod body 1, so as to adjust the seat rod.

[0029] In some embodiments, as shown in Figure 1 The inside arc surface of the two elastic clamping rings 304 matches the outside arc surface of the seat rod body 1, and the two elastic clamping rings 304 surround the outer wall of the seat rod body 1 by 190-200 degrees. Both of the two elastic clamping rings 304 are made of polyurethane.

[0030] It should be noted that the two elastic clamping rings 304 surround the outer wall of the seat rod body 1 by 190-200 degrees to ensure that the elastic clamping ring 304 can be clamped on the outer wall of the seat rod body 1 without being separated outward. Both of the two elastic clamping rings 304 are made of polyurethane and have a certain elasticity, which can restore when being stretched. The supporting block 303, the card block 305 and the handle 306 are all made of steel.

[0031] Embodiment 2

[0032] In some embodiments, as shown in Figure 1 , Figure 2 , Figure 4 The anti-descending assembly includes a plurality of first clamping teeth 401 and second clamping teeth 402. The plurality of first clamping teeth 401 are opened inside the card slot 307, and the second clamping teeth 402 are opened on one side of the card block 305. The first clamping teeth 401 and the second clamping teeth 402 are engaged with each other.

[0033] It should be noted that the first clamping teeth 401 and the second clamping teeth 402 are arranged, and when the card block 305 is clamped into the card slot 307, the first clamping teeth 401 and the second clamping teeth 402 will engage with each other to limit the up and down movement of the seat rod body 1, avoiding the problem of cushion descending caused by loose bolt, and improving the firmness of the seat rod.

[0034] Working principle: in use, first adjust the height of the seat rod body 1, first through the cooperation of the locking ring 301 and the quick release bolt 302, preliminarily fix the seat rod body 1 and the local frame 2, then turn over the supporting block 303, so that the elastic clamping ring 304 is clamped on the outer wall of the seat rod body 1, at this time the clamping block 305 will be clamped into the inner side of the clamping groove 307, the rotation of the seat rod body 1 is limited, the seat rod is prevented from rotating, at the same time the first clamping tooth 401 and the second clamping tooth 402 are engaged with each other, the up and down movement of the seat rod body 1 is limited, the problem that the cushion is lowered due to the bolt being not tightened tightly is avoided.

[0035] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A seat post locking device, characterized by: The utility model provides a seat post locking device, including partial frame (2), the seat post body (1) is sleeved inside partial frame (2), locking stop subassembly and prevent falling subassembly are provided at the junction of seat post body (1) and partial frame (2), The locking stop subassembly includes locking ring (301), quick release bolt (302), support block (303), two elastic clamping rings (304), clamping block (305), handle (306) and clamping groove (307), the locking ring (301) is sleeved on the top outer wall of partial frame (2), the quick release bolt (302) is threadedly connected on one side of locking ring (301), one end of the support block (303) is rotatably connected on the outer wall of quick release bolt (302), one end of two elastic clamping rings (304) is fixedly connected on the top of support block (303) on both sides respectively, the clamping block (305) is fixedly connected between two elastic clamping rings (304), one end of handle (306) is fixedly connected on the outer wall of elastic clamping ring (304), and the clamping groove (307) is formed in one side of seat post body (1).

2. A seat post locking device according to claim 1, wherein: The shape of the inner side of the locking ring (301) is matched with the shape of the top outer side of the partial frame (2).

3. A seat post locking device according to claim 1, wherein: The inner arc surface of two elastic clamping rings (304) is matched with the outer arc surface of seat post body (1), and the outer wall of two elastic clamping rings (304) surrounds seat post body (1) by 190-200 degrees.

4. A seat post locking device according to claim 1, wherein: Both of the elastic clamping rings (304) are made of polyurethane.

5. A seat post locking device according to claim 1, wherein: The clamping block (305) is located in the inner side of the clamping groove (307), and the outer side width of the clamping block (305) is matched with the inner side width of the clamping groove (307).

6. A seat post locking device according to claim 1, wherein: The prevent falling subassembly includes a plurality of first clamping teeth (401) and second clamping teeth (402), a plurality of first clamping teeth (401) are formed in the inner side of the clamping groove (307), and the second clamping teeth (402) are formed on one side of the clamping block (305).

7. A seat post locking device according to claim 6, wherein: The first clamping teeth (401) are engaged with the second clamping teeth (402).

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