Electric bicycle saddle locking device

Abstract

The utility model relates to the field of seat locking devices, in particular to an electric bicycle seat locking device which comprises a fixing assembly, a seat tube assembly is arranged in the fixing assembly in a penetrating mode, a locking assembly is arranged in the seat tube assembly, the seat tube assembly comprises a seat tube, and a seat mounting piece is fixedly mounted at the top of the seat tube. A guide groove is formed in one side of the seat tube, a locking block groove is formed in the bottom of the guide groove, the fixing assembly comprises a fixing ring, a seat tube fixing part is arranged at the top of the inner side of the fixing ring, a guide block is arranged on one side of the interior of the seat tube fixing part and slidably connected with the guide groove, and the locking assembly comprises a lock cylinder and a transmission shaft. The transmission shaft is rotationally connected with the seat tube, a locking block is fixedly installed at the bottom of the transmission shaft, and one end of the locking block is arranged at the bottom of the guide groove, the electric bicycle seat can be conveniently locked, the height of the electric bicycle seat can be conveniently adjusted, the anti-theft effect can be achieved, and high practical value is achieved.

Description

Technical Field

[0001] The present application relates to the field of seat locking devices, and in particular to a seat locking device for an electric bicycle. Background Art

[0002] At present, the electric bicycle seat locking device is a device designed to automatically or semi-automatically lock and release the electric bicycle seat, the purpose is to facilitate the user to quickly adjust the seat position or fold it for storage, while ensuring that the seat is stable and reliable during riding.

[0003] A common existing locking device is a seat tube clamp fixedly mounted on the frame. This seat tube clamp is usually designed for quick release in order to conveniently adjust the seat height. However, this structure lacks anti-theft function. Some seats may contain valuable parts or be easy to resell, which may lead to theft and is inconvenient to use. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides an electric bicycle seat locking device.

[0005] The above technical objectives of this application are achieved through the following technical solutions:

[0006] A locking device for an electric bicycle seat comprises a fixing assembly, a seat tube assembly is inserted into the fixing assembly, a locking assembly is arranged inside the seat tube assembly, the seat tube assembly comprises a seat tube, a seat mounting piece is fixedly mounted on the top of the seat tube, a guide groove is provided on one side of the seat tube, a locking block groove is provided on the bottom of the guide groove, the fixing assembly comprises a fixing ring, a seat tube fixing part is provided on the top of the inner side of the fixing ring, a guide block is provided on one side inside the seat tube fixing part, the guide block is slidably connected to the guide groove, the locking assembly comprises a lock core and a transmission shaft, the transmission shaft is rotatably connected to the seat tube, a locking block is fixedly mounted on the bottom of the transmission shaft, and one end of the locking block is arranged at the bottom of the guide groove.

[0007] By adopting the above scheme, a seat mounting piece is fixedly installed on the top of the seat tube, which is convenient for fixing and connecting the electric bicycle seat to the seat mounting piece, thereby facilitating the height adjustment and locking of the electric bicycle seat. A locking block groove is opened at the bottom of the guide groove, which is convenient for one end of the locking block to move inside the locking block groove. A seat tube fixing part is provided at the top of the inner side of the fixing ring, and an anti-slip sheet is provided on the inner side of the seat tube fixing part, which is convenient for the seat tube fixing part to clamp the seat tube, thereby locking the electric bicycle seat. The guide block is slidably connected with the guide groove, which is convenient for guiding the up and down movement of the seat tube, and can effectively prevent the seat tube from rotating. A locking block is fixedly installed at the bottom of the transmission shaft, and one end of the locking block is arranged at the bottom of the guide groove, which is convenient for the guide block to block the locking block when the seat tube is pulled out, thereby preventing the seat tube from being pulled out, thereby achieving an anti-theft effect. When the seat tube needs to be replaced, the transmission shaft is rotated to move the locking block to one side of the bottom end of the guide groove, thereby realizing unlocking and pulling out the seat tube.

[0008] Furthermore, a lock hole is provided at the top of the guide groove, and the lock core is arranged inside the lock hole.

[0009] By adopting the above solution, a lock hole is opened at the top of the guide groove, and the lock core is arranged inside the lock hole, so that the locking assembly is conveniently fixed inside the seat tube assembly.

[0010] Furthermore, a key hole is provided at one end of the lock core, and a first bevel gear is provided at the other end of the lock core.

[0011] By adopting the above solution, a key hole is provided at one end of the lock core, and a first bevel gear is provided at the other end of the lock core, so that the key can be inserted into the key hole to drive the first bevel gear to rotate.

[0012] Furthermore, the first bevel gear is meshingly connected with a second bevel gear, and the second bevel gear is fixedly connected to the top of the transmission shaft.

[0013] By adopting the above solution, the second bevel gear is meshedly connected with the first bevel gear, and the second bevel gear is fixedly connected to the top of the transmission shaft, so that the rotation of the first bevel gear drives the second bevel gear to rotate, and the rotation of the second bevel gear can drive the transmission shaft to rotate.

[0014] Furthermore, a fixing opening is provided on one side of the fixing ring, and a connecting portion is provided on the bottom of the seat tube fixing portion.

[0015] By adopting the above solution, a fixing opening is opened on one side of the fixing ring, and a connecting part is opened at the bottom of the seat tube fixing part, so that the connecting part is conveniently fixedly connected to the electric bicycle frame, thereby fixing the device to the electric bicycle frame.

[0016] Furthermore, the fixing ring is provided with a fixing opening, one end of which is provided with a screw hole, and a threaded rod is inserted into the screw hole.

[0017] Furthermore, one end of the threaded rod is fixedly connected to a fixed shaft, and the other end of the threaded rod is threadedly connected to a locking nut.

[0018] By adopting the above scheme, a fixed shaft is fixedly connected to one end of the threaded rod, and a locking nut is threadedly connected to the other end of the threaded rod, so that the locking nut is threadedly connected to the threaded rod and tightened to close the fixed opening, so that the fixing assembly locks and fixes the seat tube assembly, thereby locking the electric bicycle seat.

[0019] Furthermore, a locking wrench is provided on the outer side of the fixed shaft, and an axial hole is opened inside one end of the locking wrench, and the axial hole is rotatably connected to the fixed shaft.

[0020] By adopting the above scheme, a locking wrench is provided on the outside of the fixed shaft, an axial hole is opened inside one end of the locking wrench, and the axial hole is rotatably connected to the fixed shaft, so that the locking wrench can be easily turned to realize quick disassembly and fast locking of the fixed component.

[0021] Furthermore, a sliding sheet is provided between the locking wrench and the fixing ring, and a gasket is provided between the fixing ring and the locking nut.

[0022] By adopting the above solution, a sliding sheet is provided between the locking wrench and the fixing ring, and a gasket is provided between the fixing ring and the locking nut, so as to improve the locking stability of the fixing assembly and the smoothness of opening and closing the locking wrench.

[0023] In summary, this application has the following technical effects:

[0024] A seat mounting piece is fixedly installed on the top of the seat tube, which is convenient for fixing and connecting the electric bicycle seat with the seat mounting piece, so as to facilitate adjusting and locking the height of the electric bicycle seat. A locking block groove is provided at the bottom of the guide groove, which is convenient for one end of the locking block to move inside the locking block groove. A seat tube fixing part is provided at the top of the inner side of the fixing ring, and an anti-slip sheet is provided on the inner side of the seat tube fixing part, so that the seat tube fixing part clamps the seat tube to achieve locking of the electric bicycle seat. The guide block is slidably connected with the guide groove, so as to guide the up and down movement of the seat tube, and can effectively prevent the seat tube from rotating. A locking block is fixedly installed at the bottom of the transmission shaft, and one end of the locking block is arranged at the bottom of the guide groove, so that when the seat tube is pulled out, the guide block can block the locking block to prevent the seat tube from being pulled out, thereby achieving an anti-theft effect. When the seat tube needs to be replaced, the transmission shaft is rotated to move the locking block to one side of the bottom end of the guide groove, so as to achieve unlocking and pulling out the seat tube. The utility model can conveniently lock and adjust the height of the electric bicycle seat, and can achieve an anti-theft effect, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is the appearance structure diagram of this application;

[0026] Figure 2 is a three-dimensional structural diagram of the seat tube assembly of the present application;

[0027] Figure 3 It is a three-dimensional structural diagram of the locking assembly of the present application;

[0028] Figure 4 It is a three-dimensional structural diagram of the fixed component of the present application;

[0029] Figure 5 It is an exploded view of the fixed components of this application.

[0030] In the figure, 101, seat tube assembly; 10101, seat tube; 10102, guide groove; 10103, seat mounting piece; 10104, locking block groove; 10105, locking hole; 102, fixing assembly; 10201, fixing ring; 10202, connecting part; 10203, seat tube fixing part; 10204, guide block; 10205, fixing opening; 10206, screw hole; 1020 7. Locking nut; 10208. Washer; 10209. Locking wrench; 10210. Shaft hole; 10211. Fixed shaft; 10212. Sliding sheet; 10213. Threaded rod; 103. Locking assembly; 10301. Lock core; 10302. Keyhole; 10303. First bevel gear; 10304. Second bevel gear; 10305. Transmission shaft; 10306. Lock block. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings.

[0032] Embodiment 1

[0033] Reference Figure 1-5A locking device for an electric bicycle seat comprises a fixing assembly 102, a seat tube assembly 101 is inserted inside the fixing assembly 102, a locking assembly 103 is arranged inside the seat tube assembly 101, the seat tube assembly 101 comprises a seat tube 10101, a seat mounting piece 10103 is fixedly mounted on the top of the seat tube 10101, the seat mounting piece 10103 is fixedly mounted on the top of the seat tube 10101, so that the electric bicycle seat is conveniently fixedly connected to the seat mounting piece 10103, thereby facilitating the height adjustment and locking of the electric bicycle seat, and a locking device 103 is provided on one side of the seat tube 10101 There is a guide groove 10102, and a locking block groove 10104 is opened at the bottom of the guide groove 10102. The locking block groove 10104 is opened at the bottom of the guide groove 10102, so that one end of the locking block 10306 can move inside the locking block groove 10104. The fixing assembly 102 includes a fixing ring 10201, and a seat tube fixing part 10203 is provided at the top of the inner side of the fixing ring 10201. The seat tube fixing part 10203 is provided at the top of the inner side of the fixing ring 10201. The inner side of the seat tube fixing part 10203 is provided with an anti-slip sheet, so that the seat tube fixing part 10203 can clamp the seat tube 10101 tightly, so as to achieve The electric bicycle seat is locked. A guide block 10204 is provided on one side of the seat tube fixing part 10203. The guide block 10204 is slidably connected with the guide groove 10102. The guide block 10204 is slidably connected with the guide groove 10102, so that the up and down movement of the seat tube 10101 can be guided, and the seat tube 10101 can be effectively prevented from rotating. The locking assembly 103 includes a lock core 10301 and a transmission shaft 10305. The transmission shaft 10305 is rotatably connected with the seat tube 10101. A lock block 10306 is fixedly installed at the bottom of the transmission shaft 10305. The lock block 10306 is fixedly installed at the bottom of the transmission shaft 10305. One end of 306 is arranged at the bottom of the guide groove 10102, and a locking block 10306 is fixedly installed at the bottom of the transmission shaft 10305. One end of the locking block 10306 is arranged at the bottom of the guide groove 10102, so that when the seat tube 10101 is pulled out, the guide block 10204 can block the locking block 10306 to prevent the seat tube 10101 from being pulled out, thereby achieving an anti-theft effect. When the seat tube 10101 needs to be replaced, the transmission shaft 10305 is rotated to move the locking block 10306 to the side of the bottom end of the guide groove 10102, so that the seat tube 10101 can be unlocked and pulled out.

[0034] Embodiment 2

[0035] Reference Figure 1-5A lock hole 10105 is provided at the top of the guide groove 10102, and a lock core 10301 is arranged inside the lock hole 10105. A lock hole 10105 is provided at the top of the guide groove 10102, and the lock core 10301 is arranged inside the lock hole 10105, so as to facilitate fixing the locking assembly 103 inside the seat tube assembly 101. A key hole 10302 is provided at one end of the lock core 10301, and a first bevel gear 10303 is provided at the other end of the lock core 10301. , it is convenient to insert the key into the keyhole 10302 to drive the first bevel gear 10303 to rotate, the first bevel gear 10303 is meshedly connected with the second bevel gear 10304, the second bevel gear 10304 is fixedly connected to the top of the transmission shaft 10305, and the second bevel gear 10304 is meshedly connected with the first bevel gear 10303. The second bevel gear 10304 is fixedly connected to the top of the transmission shaft 10305, which facilitates the rotation of the first bevel gear 10303 to drive the second bevel gear 10304 to rotate, and the rotation of the second bevel gear 10304 can drive the transmission shaft 10305 to rotate.

[0036] Embodiment 3

[0037] Reference Figure 1-5A fixing opening 10205 is provided on one side of the fixing ring 10201, and a connecting portion 10202 is provided at the bottom of the seat tube fixing portion 10203. The fixing opening 10205 is provided on one side of the fixing ring 10201, and a connecting portion 10202 is provided at the bottom of the seat tube fixing portion 10203, so that the connecting portion 10202 is fixedly connected to the electric bicycle frame, thereby fixing the device to the electric bicycle frame. The fixing ring 10201 is provided with a screw hole 10206 at one end of the fixing opening 10205, and the screw hole A threaded rod 10213 is inserted into the interior of 10206, one end of the threaded rod 10213 is fixedly connected to the fixed shaft 10211, and the other end of the threaded rod 10213 is threadedly connected to the locking nut 10207. By threading the locking nut 10207 and the threaded rod 10213, the fixing opening 10205 is closed, so that the fixing assembly 102 is fixed to the seat tube assembly. 101 is locked and fixed, so as to lock the electric bicycle seat, a locking wrench 10209 is provided on the outside of the fixed shaft 10211, and an axial hole 10210 is opened inside one end of the locking wrench 10209, and the axial hole 10210 is rotatably connected to the fixed shaft 10211, and the locking wrench 10209 is provided on the outside of the fixed shaft 10211, and an axial hole 10210 is opened inside one end of the locking wrench 10209, and the axial hole 10210 is rotatably connected to the fixed shaft 10211, so that the locking wrench 10209 can be turned to realize the fixing The component 102 can be quickly disassembled and quickly locked. A sliding sheet 10212 is provided between the locking wrench 10209 and the fixed ring 10201, and a gasket 10208 is provided between the fixed ring 10201 and the locking nut 10207. By providing a sliding sheet 10212 between the locking wrench 10209 and the fixed ring 10201, and a gasket 10208 between the fixed ring 10201 and the locking nut 10207, the locking stability of the fixed component 102 and the smoothness of the opening and closing of the locking wrench 10209 can be improved.

[0038] Specifically, a seat mounting piece 10103 is fixedly installed on the top of the seat tube 10101, which is convenient for fixing and connecting the electric bicycle seat to the seat mounting piece 10103, thereby facilitating the height adjustment and locking of the electric bicycle seat. A fixing opening 10205 is opened on one side of the fixing ring 10201, and a connecting part 10202 is opened at the bottom of the seat tube fixing part 10203, which is convenient for fixing and connecting the connecting part 10202 to the electric bicycle frame, thereby fixing and connecting the device to the electric bicycle frame. A fixing shaft 10211 is fixedly connected to one end of the threaded rod 10213, and a locking nut 10207 is threadedly connected to the other end of the threaded rod 10213, which is convenient for threading the locking nut 10207 to the threaded rod 10213. The fixing opening 10205 is closed by connecting and tightening, so that the fixing assembly 102 is locked and fixed to the seat tube assembly 101, thereby locking the electric bicycle seat, a locking wrench 10209 is provided on the outside of the fixing shaft 10211, and an axial hole 10210 is provided inside one end of the locking wrench 10209, and the axial hole 10210 is rotatably connected to the fixing shaft 10211, so that the locking wrench 10209 can be easily turned to realize quick disassembly and quick locking of the fixing assembly 102, a sliding sheet 10212 is provided between the locking wrench 10209 and the fixing ring 10201, and a gasket 10208 is provided between the fixing ring 10201 and the locking nut 10207, so as to improve the locking stability of the fixing assembly 102 and the locking wrench 102 09 The smoothness of opening and closing, a lock hole 10105 is opened at the top of the guide groove 10102, and the lock core 10301 is arranged inside the lock hole 10105, so as to fix the locking assembly 103 inside the seat tube assembly 101, and a key hole 10302 is opened at one end of the lock core 10301, and a first bevel gear 10303 is arranged at the other end of the lock core 10301, so as to insert the key into the key hole 10302 to drive the first bevel gear 10303 to rotate, and the second bevel gear 10304 is meshed and connected with the first bevel gear 10303, and the second bevel gear 10304 is fixedly connected with the top of the transmission shaft 10305, so as to drive the second bevel gear 10304 to rotate when the first bevel gear 10303 rotates, and the second bevel gear 10304 is meshed and connected with the first bevel gear 10303, and the second bevel gear 10304 is fixedly connected with the top of the transmission shaft 10305, so as to drive the second bevel gear 10304 to rotate when the first bevel gear 10303 rotates, and the second bevel gear 10304 is meshed and connected with the first bevel gear 10303. The rotation of the gear 10304 can drive the transmission shaft 10305 to rotate. A seat tube fixing part 10203 is provided on the top of the inner side of the fixing ring 10201. An anti-slip sheet is provided on the inner side of the seat tube fixing part 10203, so that the seat tube 10101 can be clamped by the seat tube fixing part 10203 to lock the electric bicycle seat. The guide block 10204 is slidably connected with the guide groove 10102, so that the up and down movement of the seat tube 10101 can be guided, and the seat tube 10101 can be effectively prevented from rotating. A locking block 10306 is fixedly installed on the bottom of the transmission shaft 10305, and one end of the locking block 10306 is arranged at the bottom of the guide groove 10102, so that the guide block 10204 can block the locking block 10306 when the seat tube 10101 is pulled out.The seat tube 10101 is prevented from being pulled out, thereby achieving an anti-theft effect. When the seat tube 10101 needs to be replaced, the transmission shaft 10305 is rotated to move the locking block 10306 to the bottom end of the guide groove 10102, so that the seat tube 10101 can be unlocked and pulled out.

[0039] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. An electric bicycle seat locking device, characterized in that: The invention comprises a fixing assembly (102), wherein a seat tube assembly (101) is inserted into the fixing assembly (102), wherein a locking assembly (103) is arranged inside the seat tube assembly (101), wherein the seat tube assembly (101) comprises a seat tube (10101), wherein a vehicle seat mounting member (10103) is fixedly mounted on the top of the seat tube (10101), wherein a guide groove (10102) is provided on one side of the seat tube (10101), wherein a locking block groove (10104) is provided at the bottom of the guide groove (10102), wherein the fixing assembly (102) comprises a fixing ring (10201), wherein the fixing ring (10201) A seat tube fixing portion (10203) is provided at the top of the inner side of the seat tube fixing portion (10201), a guide block (10204) is provided at one side inside the seat tube fixing portion (10203), the guide block (10204) is slidably connected to the guide groove (10102), the locking assembly (103) comprises a lock core (10301) and a transmission shaft (10305), the transmission shaft (10305) is rotatably connected to the seat tube (10101), a locking block (10306) is fixedly installed at the bottom of the transmission shaft (10305), and one end of the locking block (10306) is arranged at the bottom of the guide groove (10102).

2. The electric bicycle seat locking device according to claim 1, characterized in that: A lock hole (10105) is provided at the top of the guide groove (10102), and the lock core (10301) is arranged inside the lock hole (10105).

3. The electric bicycle seat locking device according to claim 2, characterized in that: A key hole (10302) is provided at one end of the lock core (10301), and a first bevel gear (10303) is provided at the other end of the lock core (10301).

4. The electric bicycle seat locking device according to claim 3, characterized in that: The first bevel gear (10303) is meshingly connected with a second bevel gear (10304), and the second bevel gear (10304) is fixedly connected to the top of the transmission shaft (10305).

5. The electric bicycle seat locking device according to claim 1, characterized in that: A fixing opening (10205) is provided on one side of the fixing ring (10201), and a connecting portion (10202) is provided on the bottom of the seat tube fixing portion (10203).

6. The electric bicycle seat locking device according to claim 5, characterized in that: The fixing ring (10201) is provided with a fixing opening (10205), one end of which is provided with a screw hole (10206), and a threaded rod (10213) is inserted into the screw hole (10206).

7. The electric bicycle seat locking device according to claim 6, characterized in that: One end of the threaded rod (10213) is fixedly connected to a fixed shaft (10211), and the other end of the threaded rod (10213) is threadedly connected to a locking nut (10207).

8. The electric bicycle seat locking device according to claim 7, characterized in that: A locking wrench (10209) is provided on the outside of the fixed shaft (10211), and an axial hole (10210) is provided inside one end of the locking wrench (10209), and the axial hole (10210) is rotatably connected to the fixed shaft (10211).

9. The electric bicycle seat locking device according to claim 8, characterized in that: A sliding sheet (10212) is provided between the locking wrench (10209) and the fixing ring (10201), and a gasket (10208) is provided between the fixing ring (10201) and the locking nut (10207).

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