CN219134401U

CN219134401U - Quick-dismantling pipe clamp device with lock

Info

Publication number: CN219134401U
Application number: CN202223439985.7U
Authority: CN
Inventors: 孙大为
Original assignee: Dongguan Xincheng Bicycle Co ltd
Current assignee: Dongguan Xincheng Bicycle Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-06
Anticipated expiration: 2032-12-22

Abstract

A quick detach formula pipe clamp device of area lock relates to pipe fitting clamp device technical field, solves the technical disadvantage that current device does not have locking theftproof function, and the technical scheme who adopts is: be equipped with the opening that can change its internal diameter size on the pipe clamp, there is a body around the crooked eccentric handle of pipe clamp outer wall through the articulated elements swing joint of elasticity adjustable on the opening, be equipped with the locking portion of keeping away from the opening on the outer wall of pipe clamp, the axial has set firmly the lock body on the locking portion, but be equipped with the constant head tank of holding locking portion on the eccentric handle, the constant head tank upper end is equipped with the void opening that keeps away of the spring bolt upper end that can avoid the lock body, the constant head tank lower extreme is equipped with the lockhole with spring bolt lower extreme cooperation locking. The utility model has simple structure, convenient disassembly and assembly and small size, can realize quick locking, is convenient to operate, can carry out vertical deflection limiting on the free end of the handle through the locking part and the positioning groove, improves the accuracy of the lock hole corresponding to the lock tongue when the eccentric handle is closed, and ensures the smooth proceeding of locking operation.

Description

Quick-dismantling pipe clamp device with lock

Technical Field

The utility model relates to the technical field of pipe fitting clamp devices, in particular to a quick-release pipe clamp device with a lock, which can be applied to clamping and fixing between a frame and a seat pipe of a bicycle or an electric bicycle.

Background

The basic structure of the existing quick-dismantling pipe clamp device comprises a pipe clamp part with an oblate tubular structure, a notch part capable of changing the inner diameter of the pipe clamp part is arranged on a body of the pipe clamp part, and an eccentric handle which is formed by movably connecting a body around the outer wall of the pipe clamp part through a hinge piece with adjustable tightness is movably arranged on the notch part. The quick-disassembly pipe clamp drives the opening part to change the opening gap through the opening and closing of the eccentric handle, so that the inner diameter of the pipe clamp part is adjusted, the quick clamping and fixing or disassembly of the pipe fitting can be realized without other tools, and the quick-disassembly pipe clamp is very convenient to use, and therefore, the quick-disassembly pipe clamp is widely applied to pipe fitting clamp links in various fields.

At present, a battery pack is integrated in seat tubes of some electric bicycles, and if the existing quick-release pipe clamps are used for fixing the seat tubes and the saddle, the battery pack and the saddle are likely to be stolen due to the convenience and openness of quick release.

Therefore, there is a need to provide a quick release pipe clamp device with a lock, which has a simple structure, a small size, and convenient operation, and can prevent theft by locking.

Disclosure of Invention

In view of the above, the present utility model aims to solve the technical disadvantage that the existing quick-release pipe clamping device does not have a locking anti-theft function, and provide a quick-release pipe clamping device with a lock.

In order to solve the technical defects, the technical scheme is that the quick-release pipe clamp device with the lock comprises a pipe clamp part with an oblate tubular structure, wherein a notch part capable of changing the inner diameter of the pipe clamp part is arranged on a body of the pipe clamp part, and the notch part is movably connected with an eccentric handle with the body bending around the outer wall of the pipe clamp part through an elastic adjustable hinge part; the locking mechanism is characterized in that a locking part far away from the notch is arranged on the outer wall of the pipe clamp part, the central axis of the locking part is parallel to the central axis of the pipe clamp part, a lock body is axially fixedly arranged on the locking part, the upper end of a lock tongue of the lock body axially extends in an unlocked state, the lower end of the lock tongue is retracted into the locking part, the upper end of the lock tongue is retracted in the locked state, and the lower end of the lock tongue axially extends through the lower end of the locking part; the free end of the eccentric handle is provided with a positioning groove which can accommodate the locking part when the positioning groove is clung to the outer wall of the pipe clamp part, the upper end of the positioning groove is provided with a clearance opening which avoids the upper end of the lock tongue, and the lower end of the positioning groove is provided with a lock hole which is matched and locked with the lower end of the lock tongue.

Further, a lock body fixing hole is vertically and penetratingly formed in the central axis of the locking portion, the lock body is vertically and fixedly assembled on the lock body fixing hole, and the lower end of a lock tongue of the lock body in a locking state axially extends out of the lower end of the lock body fixing hole and is inserted into the lock hole.

Further, a fastening screw hole which is radially communicated with the lock body fixing hole is horizontally formed in the locking part, and the lock body is detachably assembled on the lock body fixing hole through the fastening screw hole by a fastening screw; when the locking part is accommodated in the positioning groove, the fastening screw shields the eccentric handle so as to prevent the eccentric handle from being exposed.

Further, the notch is horizontally and penetratively provided with a hinged locking hole with a central axis perpendicular to the central axis of the pipe clamp, the fixed end of the eccentric handle is provided with an eccentric part with a fork arm structure, and the axis of the eccentric part is vertically and penetratively provided with a pin shaft fixing hole; the hinge piece comprises a pin shaft and an adjusting screw, two ends of the pin shaft are movably inserted into the pin shaft fixing holes respectively, and an elastic adjusting screw hole is radially and penetratingly formed in the middle of the pin shaft; the adjusting screw is connected in the tightness adjusting screw hole through the hinged locking hole in a threaded mode so as to enable the eccentric handle to be hinged to the opening portion in a movable mode.

Further, an arc-shaped groove which can be matched with the opening is formed in one side of the opening, which is matched with the eccentric part, a reinforcing gasket is fixedly arranged on the surface of the arc-shaped groove, a supporting block which can extend between the eccentric parts of the fork arm type structure and is positioned on one side of the pin shaft is arranged on the reinforcing gasket, and the hinged locking hole penetrates through the reinforcing gasket and is positioned on the inner side of the supporting block.

Further, the adjusting screw is one of an inner hexagon screw, an inner plum blossom screw, a triangular groove screw, a herringbone groove screw, an H groove screw, a two-point groove screw, a three-point head screw and a square groove screw.

Further, a top eave part which is folded inwards is arranged on the periphery of the opening at the upper end of the pipe clamp part.

When in actual use, the eccentric handle is firstly opened to the outside of the pipe clamp part by taking the hinged part as a rotating shaft, the lock body is in a non-locking state, the upper end of the lock tongue extends out, the lower end of the lock tongue is retracted into the locking part, the opening part is in an expanding state, and the pipe clamp part has the maximum inner diameter. After the pipe clamp is clamped at the upper end of the frame pipe, the seat pipe connected with the saddle is inserted into the frame pipe through the pipe clamp, then the eccentric handle is turned over to the outer wall of the pipe clamp to be closed so as to drive the opening part to gather together, the free end of the eccentric handle is attached to the outer wall of the pipe clamp in place, the pipe clamp with the reduced inner diameter clamps the seat pipe on the frame pipe, at the moment, the locking part is correspondingly accommodated in the positioning groove, and the lock hole is axially corresponding to the lower end of the lock tongue of the lock body. Then, the upper end of the lock tongue is manually pressed to enable the upper end of the lock tongue to move downwards in the axial direction, and the lower end of the lock tongue is driven to be axially clamped into the lock hole, so that locking between the eccentric handle and the pipe clamp part is achieved.

The utility model has the beneficial effects that: after the eccentric handle is closed, the locking part is correspondingly accommodated in the positioning groove, the upper end of the lock tongue is directly pressed to realize the matching locking of the lower end of the lock tongue and the lock hole, so that the eccentric handle can be prevented from being privately broken towards the outer side of the pipe clamping part by others to detach the seat pipe, the battery pack and the saddle of the seat pipe are prevented from being stolen, and the anti-theft effect is good. Moreover, the quick-release pipe clamp is simple in structure, convenient to assemble and disassemble, small in size and convenient to operate, and compared with the existing common quick-release pipe clamp, the quick-release pipe clamp is not remarkably increased in size, and quick locking can be realized by pressing the upper end of the lock tongue. In addition, when the eccentric handle is closed, the free end of the handle can deflect up and down through the locking part and the positioning groove to limit, so that the accuracy of the lock hole corresponding to the lock tongue when the eccentric handle is closed is improved, and the smooth operation of locking is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model.

In the figure: 1. pipe clamp, 11 top eaves, 2 cutouts, 21, hinge locking holes, 22, arc-shaped grooves, 23, reinforcing gaskets, 24, supporting blocks, 3, hinges, 31, pin shafts, 32, adjusting screws, 33, tightness adjusting screw holes, 4, eccentric handles, 41, locating grooves, 42, clearance openings, 43, lock holes, 44, eccentric parts, 45, pin shaft fixing holes, 5, locking parts, 51, lock body fixing holes, 52, fastening screw holes, 6, lock bodies, 61, lock bolts and 62, limiting parts.

Detailed Description

The structure of the present utility model will be further described with reference to the accompanying drawings and preferred embodiments of the present utility model.

Referring to fig. 1 to 3, the quick release pipe clamp device with lock of the present utility model comprises a pipe clamp 1 having a flat circular tubular structure, wherein a notch 2 is provided on the body of the pipe clamp 1, the inner diameter of the notch 2 is changeable, and an eccentric handle 4 is movably connected to the notch 2 via a hinge member 3 with adjustable tightness, and the body is bent around the outer wall of the pipe clamp 1. The outer wall of the pipe clamp 1 is provided with a locking part 5 far away from the notch 2, the locking part 5 is vertically arranged, the axis is parallel to the central axis of the pipe clamp 1, a lock body fixing hole 51 is vertically and penetratingly arranged on the axis, and a vertically arranged lock body 6 is detachably assembled on the lock body fixing hole 51.

Specifically, a positioning groove 41 capable of accommodating the locking portion 5 when the eccentric handle 4 is abutted against the outer wall of the pipe clamp portion 1 is formed in the free end of the eccentric handle 4, a clearance opening 42 for avoiding the upper end of the lock tongue 61 of the lock body 6 is formed in the upper end of the positioning groove 41, and a lock hole 43 matched and locked with the lower end of the lock tongue 61 of the lock body 6 is formed in the lower end of the positioning groove 41.

In the unlocked state, the upper end of the lock tongue 61 of the lock body 6 axially extends, and the lower end of the lock tongue 61 is retracted into the lock body fixing hole 51 of the locking portion 5. When the pipe clamp is used, the eccentric handle 4 is firstly opened to the outer side of the pipe clamp 1 by taking the hinged position as a rotating shaft, at the moment, the lock body 6 is in a non-locking state, the upper end of the lock tongue 61 extends out, the lower end of the lock tongue 61 is retracted into the locking part 5, the notch 2 is in an expanding state, and the pipe clamp 1 has the largest inner diameter. After the pipe clamp 1 is clamped at the upper end of a frame pipe, a seat pipe connected with a saddle is inserted into the frame pipe through the pipe clamp 1, then the eccentric handle 4 is turned over to the outer wall side of the pipe clamp 1 to be closed so as to drive the notch 2 to gather together, after the free end of the eccentric handle 4 is attached to the outer wall of the pipe clamp 1 in place, the pipe clamp 1 with the reduced inner diameter clamps the seat pipe on the frame pipe, at the moment, the locking part 5 is matched and accommodated in the positioning groove 41, and the lock hole 43 is aligned with the opening at the bottom of the lock body fixing hole 51 so as to axially correspond to the lower end of the lock tongue 61 of the lock body 6. When the locking is needed, the upper end of the lock tongue 61 is only required to be manually pressed to enable the upper end to move downwards in the axial direction, and the lower end of the lock tongue 61 can be driven to axially extend out of the lock body fixing hole 51 and correspondingly inserted into the lock hole 43 to be locked and positioned, so that the eccentric handle 4 is prevented from being privately and outwards opened, and the quick locking between the eccentric handle 4 and the pipe clamp part 1 is realized.

After the technical scheme is adopted, the utility model has the following beneficial effects: after the eccentric handle 4 is closed, the locking part 5 is correspondingly accommodated in the positioning groove 41, the matching locking of the lower end of the lock tongue 61 and the lock hole 43 can be realized by directly pressing the upper end of the lock tongue 61, so that the eccentric handle 4 can be prevented from being privately broken towards the outer side of the pipe clamping part 1 by others to detach the seat pipe, the battery pack of the seat pipe and the saddle are prevented from being stolen, and the anti-theft effect is good. Moreover, the utility model has simple structure and convenient disassembly and assembly, compared with the prior common quick-disassembly pipe clamp, the volume is not obviously increased, the size is small, and the quick locking can be realized by pressing the upper end of the lock tongue 61, thereby being convenient to operate. In addition, when the eccentric handle 4 is closed, the free end of the handle can deflect upwards and downwards through the locking part 5 and the positioning groove 41, so that the accuracy of the correspondence between the lock hole 43 and the lock tongue 61 when the eccentric handle 4 is closed is improved, and the smooth operation of locking is ensured.

Further, referring to fig. 1 and 3, in the locked state, the lock body 6 of the present utility model has the upper end of the lock tongue 61 retracted to expose the key hole at the upper end thereof, so as to facilitate the key insertion and unlocking. The upper end periphery of the lock body 6 is provided with a limiting part 62, and when in actual assembly, the lock body 6 is vertically inserted into the lock body fixing hole 51 from top to bottom in an interference fit mode for fixing, and limiting is performed through the limiting part 62. The clearance opening 42 on the positioning groove 41 is preferably designed to avoid the limit part 62, so as to ensure that the eccentric handle 4 can be effectively closed.

Specifically, in order to ensure the fixing reliability of the lock body 6, a fastening screw hole 52 which is radially communicated to the lock body fixing hole 51 is horizontally and horizontally arranged on the upper level of the middle part of one side of the locking part 5 facing the notch 2, and after the lock body 6 is inserted in place, the lock body 6 can be further limited and fixed on the lock body fixing hole 51 through a fastening screw (not shown in the figure) through the fastening screw hole 52.

The locking portion 5 is accommodated in the positioning groove 41 in the locking state, at the moment, one end of the nut of the fastening screw is shielded by the eccentric handle 4, so that the pipe clamp can be prevented from being opened by others in the locking state through the mode of disassembling the lock body 6, the anti-theft effect is better, and the safety is higher.

Further, referring to fig. 1 to 3, the notch 2 of the present utility model is horizontally and transversely provided with a hinge locking hole 21 with a central axis perpendicular to the central axis of the pipe clamp 1, the fixed end of the eccentric handle 4 is provided with a yoke-type eccentric part 44, and the axis of the eccentric part 44 is vertically and penetratingly provided with a pin fixing hole 45.

Specifically, the hinge member 3 includes a pin shaft 31 and an adjusting screw 32, two ends of the pin shaft 31 are movably inserted into the pin shaft fixing hole 45, and an elastic adjusting screw hole 33 is radially and penetratingly formed in the middle of the pin shaft 31. The adjusting screw 32 is screwed in the tightness adjusting screw hole 33 through the hinged locking hole 21 so as to movably hinge the eccentric handle 4 on the notch part 2.

The eccentric handle 4 is movably hinged on the opening part 2 through the hinge locking hole 21 and the tightness adjusting screw hole 33 by the adjusting screw 32 and the pin shaft 31, has simple structure and reliable connection, and can properly adjust the gap between the openings of the opening part 2 by screwing or loosening the adjusting screw 32, thereby changing the inner diameter of the pipe clamp part 1 after the eccentric handle 4 is closed, improving the adjustable range of the pipe clamp device for clamping and fixing the pipe clamp device, improving the applicability and facilitating the adjustment.

Further, referring to fig. 3, an arc groove 22 which can be matched with the eccentric part 44 is provided on one side of the opening part 2 of the pipe clamp 1 and the eccentric part 44 of the eccentric handle 4, a reinforcing gasket 23 is fixedly provided on the surface of the arc groove 22, a supporting block 24 which can extend between the eccentric parts 44 of the fork arm structure and is positioned on one side of the pin shaft 31 is provided on the reinforcing gasket 23, and the hinge locking hole 21 penetrates through the reinforcing gasket 23 and is positioned on the inner side of the supporting block 24.

The arc-shaped groove 22 is reinforced by the reinforcing gasket 23, so that the wear resistance of the arc-shaped groove is ensured, the wear of the eccentric part 44 of the eccentric handle 4 to the notch part 2 in the long-term application process is effectively delayed, and the service life of the pipe clamp device is prolonged. In addition, the supporting block 24 arranged on the reinforcing gasket 23 can play a role in supporting and limiting the eccentric part 44 of the eccentric handle 4 in the axial direction, so that the stability of the eccentric handle 4 when the eccentric handle is rotated and opened by taking the pin shaft 31 as the shaft is improved, the accuracy and the reliability of the matching and accommodating of the locking part 5 by the positioning groove 41 are further ensured, and the quick and accurate locking and positioning of the lock tongue 61 are facilitated.

Further, the adjusting screw 32 of the hinge 3 of the present utility model is one of a socket head cap screw, a quincuncial screw, a triangle groove screw, a herringbone groove screw, an H groove screw, a two-point groove screw, a three-point head screw, and a square groove screw, which is exemplified by the socket head cap screw in this embodiment.

The adjusting screw 32 is used as the main hinging piece 3 for connecting the eccentric handle 4 and the pipe clamp part 1, and directly relates to the connection reliability of the eccentric handle 4, and the adjusting screw is designed into an unusual cross-shaped or straight-shaped screw, so that other people can be prevented from disassembling the adjusting screw by means of a simple tool, the anti-theft effect is better, and the safety is higher.

Further, referring to fig. 1, the periphery of the opening at the upper end of the pipe clamp 1 is provided with an inwardly folded top edge 11, and the inwardly extending width of the top edge 11 is preferably consistent with the thickness of the frame pipe, so that the pipe clamp 1 can be limited at the upper end of the frame pipe through the top edge 11 to prevent the pipe clamp from moving downwards when in use, and the outer wall of the fixed seat pipe is clamped through the top edge 11.

The foregoing examples are merely for the purpose of illustrating the technical solution of the present utility model, and are not intended to limit the embodiments of the present utility model. Various modifications and alterations of this utility model will be apparent to those skilled in the art without departing from the spirit and substance of this utility model, and it is intended to cover all such modifications and alterations as fall within the true scope of this utility model.

Claims

1. The quick-dismantling pipe clamp device with the lock comprises a pipe clamp part with an oblate tubular structure, wherein a notch capable of changing the inner diameter of the pipe clamp part is formed in a body of the pipe clamp part, and an eccentric handle with the body bending around the outer wall of the pipe clamp part is movably connected to the notch through an elastic adjustable hinge piece; the locking mechanism is characterized in that a locking part far away from the notch is arranged on the outer wall of the pipe clamp part, the central axis of the locking part is parallel to the central axis of the pipe clamp part, a lock body is axially fixedly arranged on the locking part, the upper end of a lock tongue of the lock body axially extends in an unlocked state, the lower end of the lock tongue is retracted into the locking part, the upper end of the lock tongue is retracted in the locked state, and the lower end of the lock tongue axially extends through the lower end of the locking part; the free end of the eccentric handle is provided with a positioning groove which can accommodate the locking part when the positioning groove is clung to the outer wall of the pipe clamp part, the upper end of the positioning groove is provided with a clearance opening which avoids the upper end of the lock tongue, and the lower end of the positioning groove is provided with a lock hole which is matched and locked with the lower end of the lock tongue.

2. The quick release pipe clamp device with lock according to claim 1, wherein the central axis of the locking portion is vertically provided with a lock body fixing hole in a penetrating manner, the lock body is vertically and fixedly assembled on the lock body fixing hole, and the lower end of the lock tongue of the lock body in the locked state axially extends out through the lower end of the lock body fixing hole and is inserted into the lock hole.

3. The quick release pipe clamp device with lock according to claim 2, wherein the locking part is horizontally provided with a fastening screw hole which is radially communicated with the lock body fixing hole, and the lock body is detachably assembled on the lock body fixing hole through the fastening screw hole by a fastening screw; when the locking part is accommodated in the positioning groove, the fastening screw shields the eccentric handle so as to prevent the eccentric handle from being exposed.

4. The quick release pipe clamp device with the lock according to claim 1, wherein the notch is horizontally provided with a hinged locking hole with a central axis perpendicular to the central axis of the pipe clamp part in a penetrating manner, the fixed end of the eccentric handle is provided with an eccentric part with a fork arm structure, and the axis of the eccentric part is vertically provided with a pin shaft fixing hole in a penetrating manner; the hinge piece comprises a pin shaft and an adjusting screw, two ends of the pin shaft are movably inserted into the pin shaft fixing holes respectively, and an elastic adjusting screw hole is radially and penetratingly formed in the middle of the pin shaft; the adjusting screw is connected in the tightness adjusting screw hole through the hinged locking hole in a threaded mode so as to enable the eccentric handle to be hinged to the opening portion in a movable mode.

5. The quick release pipe clamp with lock according to claim 4, wherein the side of the opening portion, which is engaged with the eccentric portion, is provided with an arcuate groove, a reinforcing washer is fixedly provided on the surface of the arcuate groove, a support block is provided on the reinforcing washer, which extends between the eccentric portions of the yoke structure and is located at one side of the pin shaft, and the hinge locking hole penetrates the reinforcing washer and is located at the inner side of the support block.

6. The quick release pipe clamp device with lock as claimed in claim 4, wherein said adjusting screw is one of a socket head cap screw, a box screw, a cam groove screw, a chevron groove screw, an H groove screw, a two-point groove screw, a three-point head screw, and a square groove screw.

7. The quick release pipe clamp device with lock of claim 1, wherein the upper opening periphery of the pipe clamp is provided with an inwardly folded top ledge.