CN111906705A

CN111906705A - Quick clamp structure with lock

Info

Publication number: CN111906705A
Application number: CN201910385871.2A
Authority: CN
Inventors: 黄良振
Original assignee: Nanning Fugui Precision Industrial Co Ltd
Current assignee: Nanning Fulian Fugui Precision Industrial Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-11-10
Anticipated expiration: 2039-05-09
Also published as: CN111906705B

Abstract

A quick clamp structure with a lock is characterized by comprising a clamp body, a base and a lock rod. The clamp body also includes a handle. The base has a chute path disposed thereon. The locking rod further comprises a front end and a tail end, the front end is in a plane design and moves along the chute path, the tail end is buckled with the handle, and the handle cannot move upwards so that the quick clamp structure cannot be loosened. The quick clamp structure with the lock is additionally provided with the lock rod, so that unlocking and locking of the quick clamp can be completed.

Description

Quick clamp structure with lock

Technical Field

The invention relates to a quick clamp, in particular to a quick clamp structure with a lock.

Background

The rapid clamp is used as a manual rapid clamping mechanism, is widely applied to the mechanical and automobile industries, and is also widely used on the combination of LED boxes. It generally comprises vertical quick clamps, horizontal quick clamps, push-pull quick clamps, latch quick clamps and the like. The latch type quick clamp mechanism is arranged on the base and comprises a driving part hinged with the base, and a buckling lug is arranged on the driving part. When the driving part works, the buckling seat is arranged near the driving part, the driving part is rotated to a proper position, the buckling lug can be buckled with the buckling seat after being smoothly buckled into the space of the buckling seat, then the driving part is pulled back to reset, and at the moment, the buckling lug is pulled and can be buckled with the buckling seat. Therefore, the quick clamp realizes self-locking by utilizing a dead point position formed when the connecting rod of the plane four-bar mechanism and the driven part are collinear, and has the characteristics of simple structure, quick action and the like.

The quick clamp has the advantages, but has the following problems: (1) the self-locking reliability is relatively poor, and the phenomenon that the mechanism is separated from the dead point position and becomes loose easily occurs when the vibration is large and the working time is long; (2) the hook is used for locking to prevent the clamp from loosening, but the tissue process is complex, and the manufacturing cost is high, as shown in figure 1; (3) the use of an additional fitting through this hole locks the clamp, preventing it from loosening, which is inconvenient, as shown in figure 2.

Disclosure of Invention

In view of the above, the present invention provides a quick clamp structure with a lock, which can unlock and lock the quick clamp by adding a lock rod.

The embodiment of the invention provides a quick clamp structure with a lock, which is characterized by comprising a clamp body, a base and a lock rod. The clamp body also includes a handle. The base has a chute path disposed thereon. The locking rod further comprises a front end and a tail end, the front end is in a plane design and moves along the chute path, the tail end is buckled with the handle, and the handle cannot move upwards so that the quick clamp structure cannot be loosened.

Further, the chute path comprises: the first section of path is used for rotating the lock rod, so that the lock rod rotates upwards and moves leftwards along the 1 st section of path; the second section of path is used for limiting the moving direction of the locking rod, and the locking rod moves downwards along the 2 nd section of path; a third path for adjusting the direction of the locking bar, wherein the locking bar rotates 45 degrees to the right along the 3 rd path; and the locking rod moves 45 degrees leftwards and downwards along the 4 th path, so that the tail end is buckled with the handle.

Further, when the lock bar is to be unlocked, the lock bar moves 45 degrees upwards to the right along the fourth path, the lock bar rotates 45 degrees to the left along the third path, the lock bar moves upwards along the second path, and the lock bar rotates to the right and moves to the right along the 1 st path.

The quick clamp with the lock has the advantages that the structure cost is low, only one lock rod needs to be added, the use is convenient, the unlocking and the locking can be completed by one person, and the quick clamp with the lock can be applied to various quick clamps with locks.

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

FIG. 1 is a schematic view of a conventional quick clamp;

FIG. 2 is a schematic view of another conventional quick clamp;

FIG. 3 is a schematic view of a quick clamp with lock according to an embodiment of the present invention in an unlocked state;

FIG. 4 is a schematic view of a quick clamp with lock of an embodiment of the present invention in a locked state;

FIG. 5 is a schematic structural view of a quick clamp with a lock according to an embodiment of the present invention;

FIG. 6 is a schematic view of the locking bar of the quick clamp with lock of the embodiment of the present invention;

FIG. 7 is a schematic diagram of the chute path of a quick clamp with lock of an embodiment of the present invention;

FIG. 8 is a schematic structural view of a locking rod fastening clamp body of the quick clamp with lock according to the embodiment of the present invention;

FIG. 9 is a schematic structural view of a chute path having a 4-segment travel path design according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a lock path according to an embodiment of the invention; and

FIG. 11 is a schematic diagram of an unlock path of an embodiment of the present invention.

Description of the main elements

Clamp body 10

Handle 15

Base 20

Chute path 25

Motion path 251 … 254

Lock rod 30

Locking bar front end 31

Locking bar tail end 33

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The quick clamp and the quick clamp are tools which can play roles in fixing, connecting, fastening, pushing and the like in industrial production. The quick clamp is divided into a horizontal type, a vertical type, a push-pull type, a gate type, a combined vertical type, an extrusion clamp, a C-shaped clamp, an F-shaped clamp and the like, and can be widely applied to various large manufacturing industries and processing industries.

The technical problem to be solved by the invention is as follows: the quick clamp with the lock is convenient to use and low in cost, namely a lock rod is added to form a quick clamp with the lock together with the chute path of the body, and when the quick clamp with the lock is used, the clamp can be prevented from being loosened only by moving the lock rod according to the designed chute path, as shown in fig. 3 and 4.

Fig. 5 is a schematic structural diagram of a quick clamp with a lock according to an embodiment of the present invention.

The quick clamp with lock of the embodiment of the invention comprises a clamp body 10, a base 20 and a lock rod 30. The front end 31 of the locking lever 30 is of a planar design as shown in fig. 6. The locking bar 30 can only move along the chute path 25 of the base 20 as shown in fig. 7. After the front end 31 of the locking lever 30 moves to the end of the chute path 25, the rear end 33 of the locking lever 30 will catch the handle 15 of the clamp body 10, as shown in fig. 8, so that the handle 15 cannot move upward and the clamp cannot be released.

The chute path 25 of the base 20 is designed to be divided into four sections, including a 1 st section path 251, a 2 nd section path 252, a 3 rd section path 253, and a 4 th section path 254, as shown in fig. 9. The locking path design is specifically shown in fig. 10: (1) a 1 st path 251 for rotation of the lock lever to rotate the lock lever upward and leftward along the path 251 to a position shown in the drawings; (2) segment 2 of path 252, which limits the direction of movement of the locking bar, the locking bar moves down path 252 to the position shown in the figures; (3) a 3 rd path 253 for adjusting the direction of the lock rod and rotating 45 degrees to the right along the path 253 to the position in the figure; and (4) a 4 th path 254, wherein the locking rod moves 45 degrees leftwards and downwards along the path 254 to the direction of limiting the movement of the locking rod in the position in the figure, and finally the locking handle is locked.

As described above, since the front end 31 of the locking rod 30 is designed to be flat and the width of the 4 th path 254 in the chute path 25 is substantially similar to the thickness of the front end 31 of the locking rod 30, when the front end 31 moves to the 4 th path 254, the locking rod 30 cannot rotate in the 4 th path 254, so that the locking rod 30 can fasten the handle 15, and the handle 15 cannot move upward, so that the clamp cannot be released.

The unlocking path is designed to be opposite to the locking path, as shown in fig. 11: (1) the lock lever moves 45 degrees up and to the right along segment 4 path 254 to the position shown in the figure; (2) the lock lever rotates 45 degrees to the left along segment 3 path 253 to the position shown in the figure; (3) the locking bar moves up along segment 2 path 252 to the position shown in the figures; and (4) the locking bar rotates to the right along the 1 st segment path 251 and moves to the right to the position shown in the figure, and the unlocking is completed.

The key to successful unlocking is the design of segment 3 path 253, with the following conditions: (1) the front two ends of the lock rod rotate 45 degrees simultaneously; and (2) the front two ends of the lock rod move upwards simultaneously. If the unlocking is not performed artificially, it is almost impossible to achieve the above conditions only by vibration or the like, and if one of the conditions is not met, the unlocking cannot be performed.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick clamp structure with a lock is characterized by comprising:

a clamp body further comprising a handle;

a base having a chute path thereon; and

the locking rod comprises a front end and a tail end, the front end is in a plane design and moves along the chute path, the tail end is buckled with the handle, and the handle cannot move upwards so that the quick clamp structure cannot be loosened.

2. A quick clamp structure with lock according to claim 1 wherein the chute path comprises:

the first section of path is used for rotating the lock rod, so that the lock rod rotates upwards and moves leftwards along the 1 st section of path;

the second section of path is used for limiting the moving direction of the locking rod, and the locking rod moves downwards along the 2 nd section of path;

a third path for adjusting the direction of the locking bar, wherein the locking bar rotates 45 degrees to the right along the 3 rd path; and

and the locking rod moves 45 degrees leftwards and downwards along the 4 th path, so that the tail end is buckled with the handle.

3. The quick clamp with lock of claim 2 wherein when unlocking, the locking bar moves up and to the right 45 degrees along the fourth path, the locking bar rotates left 45 degrees along the third path, the locking bar moves up along the second path, and the locking bar rotates right and to the right along the 1 st path.