CN211540909U

CN211540909U - Dual-purpose fixed pincers

Info

Publication number: CN211540909U
Application number: CN202020091870.5U
Authority: CN
Inventors: 龚苏京
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-22
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a dual-purpose fixed clamp, have little handle and big handle, there is first tong handle through pivot swing joint on little handle, big handle passes through rivet fixed connection second tong handle, still swing joint has big handle on the first tong handle, the tie point of big handle head is located the inboard of big handle and little handle swing joint point, still swing joint has the shelves pole through rivet or hinge in the inside of little handle, the other end of shelves pole stretches into the inside of big handle, there is adjusting screw at the afterbody of big handle through threaded connection, adjusting screw's head tightly supports the other end of shelves pole, throw off the handle and pass through rivet or hinge movable mounting on little handle, still be provided with the extension spring mounting hole on first tong handle, the extension spring mounting hole is located the mounting hole of little handle and first tong handle and the mounting hole of big handle and first tong handle, the other end of extension spring is connected at the inside middle part of big handle; the first tong head and the second tong head are C-shaped or reverse Z-shaped tong heads.

Description

Dual-purpose fixed pincers

Technical Field

The utility model relates to a dual-purpose fixed pincers, specifically speaking relate to a dual-purpose pincers that have dead lever and activity head simultaneously.

Background

The carpenter's pliers are one kind of common clamping tool and may be used widely. However, in practical application, the clamp is used as a first clamp, when the jack is clamped, the angle clamp of a specific hole is used, and when the jack is clamped in parallel, the clamp with a movable head is used. For example, the pliers of patent numbers 201620618680.8 and 201621311210.3 are single-purpose pliers, and users must be equipped with the pliers, which increases the cost and is inconvenient to use; the method is also a great waste of resources for enterprises, so that a pliers with two purposes needs to be designed to meet the actual use requirement.

SUMMERY OF THE UTILITY MODEL

To the existing problem, the utility model provides a dual-purpose pincers that pincers have dead lever and first two functions of activity simultaneously.

The technical scheme of the utility model as follows:

a dual-purpose fixed clamp is provided with a small handle and a large handle, wherein a first clamp head is movably connected to the small handle through a rotating shaft, a second clamp head is fixedly connected to the large handle through a rivet, the first clamp head is also movably connected to the large handle, a connecting point of the head of the large handle is positioned on the inner side of the movable connecting point of the large handle and the small handle, a stop lever is also movably connected to the inner part of the small handle through a rivet or a hinge, the other end of the stop lever extends into the inner part of the large handle, an adjusting screw is connected to the tail part of the large handle through a thread, the head of the adjusting screw tightly abuts against the other end of the stop lever, a disengagement handle is movably arranged on the small handle through a rivet or a hinge, a tension spring mounting hole is further formed in the first clamp head, the tension spring mounting hole is positioned between the mounting holes of the small handle and the first clamp head;

the first tong head and the second tong head are C-shaped or reverse Z-shaped tong heads; the tail end of the first tong head is movably connected with a first movable head; the tail end of the second tong head is movably connected with a fixed rod through a rotating shaft, one end of the fixed rod is connected with the second tong head, and the fixed rod can rotate relative to the second tong head through the rotating shaft by taking the middle point as an axis.

Two limiting holes are also formed in the second tong head; limiting screws are arranged in the limiting holes, and when the limiting screws are used, the fixing rod can be clamped between the two limiting screws, so that the limiting rod is prevented from shaking.

The limiting screw is connected with the limiting hole through threads.

Furthermore, a first through hole is formed in the tail end of the first tong head, the first movable head is movably mounted on the first through hole of the first tong head through a pin shaft, a chamfer angle alpha 1 is arranged on the outer edge of the first through hole, the angle of the chamfer angle alpha 1 is 145 degrees, preferably 120 degrees, the first movable head can move up and down around the first through hole and can also swing left and right, and the angle of the left and right swing is not more than 10 degrees; similarly, the tail end of the fixing rod is provided with a second through hole, the second movable head is movably mounted on the second through hole of the fixing rod through a pin shaft, the outer edge of the second through hole is provided with a chamfer angle alpha 2, the angle of the chamfer angle alpha 2 is 100-plus 145 degrees, preferably 120 degrees, the second movable head can move up and down around the second through hole and can swing left and right, and the angle of the horizontal swing is not more than 10 degrees.

Furthermore, a Z-shaped bevel is arranged in the middle of the second tong head, and the central axis of the fixed rod can coincide with the central line of the first tong head, so that when the first tong head and the second tong head are used for clamping, pressure points of the first tong head and the second tong head are on the same axial line, and the clamping stability is ensured.

The limiting screw on the limiting hole is provided with a conical surface, an included angle beta between the two conical surfaces is 75-90 degrees, the included angle beta is preferably 90 degrees, the limiting screw can more reliably limit the fixed rod by arranging the conical surface, and the limiting rod is prevented from shaking.

The utility model discloses have two kinds of user state, when needs are with two direct centre gripping of panel, with the one end of activity first two on the dead lever inwards to carry on spacingly with stop screw, can carry out the centre gripping to panel. When the plate that the centre gripping was punched need alternate, will not have the one end of activity head two inwards to spacing with stop screw, can be to inserting in the through-hole in panel or the work piece, and carry out the centre gripping, conveniently carry on spacingly to panel, guarantee subsequent process.

The utility model discloses simple structure, design are ingenious, compare with the commercial product, and it can not only directly centre gripping article, can also alternate to the hole in through the dead lever, carries out the centre gripping to panel or work piece, carries on spacingly through carrying on different work pieces in advance, makes things convenient for the installation of product, has guaranteed the precision of installation, has good result of use.

Drawings

The present invention will be further explained with reference to the accompanying drawings

Fig. 1 is a schematic structural diagram of a dual-purpose fixing clamp of the present invention.

Fig. 2 is a schematic structural diagram of a dual-purpose fixing clamp of the present invention.

Fig. 3 is a third schematic structural view of the dual-purpose fixing clamp of the present invention.

Fig. 4 is a schematic structural view between the middle and large handles and the small handle of the dual-purpose fixing clamp of the present invention.

Fig. 5 is a schematic view of the local structure of the dual-purpose fixed pliers in different states, in which the front end of the first jaw is connected with the first movable jaw.

Fig. 6 is a schematic view of a sectional partial structure of a front end of a head of a dual-purpose fixing clamp according to the present invention.

Fig. 7 is a schematic structural view between a limit screw and a second binding clip in the dual-purpose fixing clamp of the present invention.

Fig. 8 is a schematic structural view between the second jaw and the second movable jaw in the dual-purpose fixing clamp of the present invention.

Detailed Description

Referring to the attached drawings 1-8, the dual-purpose fixed clamp is provided with a small handle 3 and a large handle 4, a first clamp head 1 is movably connected on the small handle 3 through a rotating shaft, the large handle 4 is fixedly connected with a second clamp head 2 through a rivet, the large handle 4 is also movably connected on the first clamp head 1, the connection point of the head of the large handle 4 is positioned at the inner side of the movable connection point of the large handle 4 and the small handle 3, a baffle rod 5 is also movably connected inside the small handle 3 through a rivet or a hinge, the other end of the baffle rod 5 extends into the large handle 4, the tail part of the big handle 4 is connected with an adjusting screw 6 through threads, the head part of the adjusting screw 6 is tightly propped against the other end of the stop lever 5, a disengaging handle 7 is movably arranged on the small handle 3 through a rivet or a hinge, a tension spring mounting hole is also formed in the tong head I1 and is positioned between the mounting holes of the small handle 3 and the tong head I1 and between the mounting holes of the large handle 4 and the tong head I1, and the other end of the tension spring 8 is connected to the middle part of the inner part of the large handle 4;

the first tong head 1 and the second tong head 2 are C-shaped or reverse Z-shaped tong heads; the tail end of the forceps head I1 is movably connected with a movable head I1-1; the tail end of the second tong head 2 is movably connected with a fixed rod 2-1 through a rotating shaft, one end of the fixed rod 2-1 is connected with the second tong head 2-2, and the fixed rod 2-2 can rotate relative to the second tong head 2 through the rotating shaft by taking the middle point as an axis.

Two limiting holes are also formed in the second tong head 2; the limiting screw 2-3 is arranged in the limiting hole, and when the limiting screw 2-3 is used, the fixing rod 2-1 can be clamped between the two limiting screws 2-3, so that the limiting rod 2-1 is prevented from shaking.

The limiting screws 2-3 are connected with the limiting holes through threads.

Further, referring to fig. 5-6, a first through hole is formed at the tail end of the first tong head, the first movable head is movably mounted on the first through hole of the first tong head through a pin shaft, a chamfer angle α 1 is formed at the outer edge of the first through hole, the angle of the chamfer angle α 1 is 100 degrees and 145 degrees, preferably 120 degrees, the first movable head can move up and down around the first through hole and can also swing left and right, and the angle of the left and right swing is not more than 10 degrees; similarly, the tail end of the fixing rod is provided with a second through hole, the second movable head is movably mounted on the second through hole of the fixing rod through a pin shaft, the outer edge of the second through hole is provided with a chamfer angle alpha 2, the angle of the chamfer angle alpha 2 is 100-plus 145 degrees, preferably 120 degrees, the second movable head can move up and down around the second through hole and can swing left and right, and the angle of the horizontal swing is not more than 10 degrees.

Further, referring to fig. 8, a Z-shaped bevel is arranged in the middle of the second tong head, and the central axis of the fixed rod can coincide with the central axis of the first tong head, so that when the first tong head and the second tong head are used for clamping, pressure points of the first tong head and the second tong head are on the same axial line, and the clamping stability is ensured.

Referring to fig. 7, the limiting screw on the limiting hole has a conical surface, an included angle β between the two conical surfaces is 75-90 °, preferably 90 °, and the limiting screw can more reliably limit the fixing rod by setting the conical surface to prevent the limiting rod from shaking.

The utility model has two using states, when two plates are directly clamped, one end of the movable head 2-2 on the fixed rod 2-1 faces inwards, and the limit screw 2-3 is used for limiting, thus the plates can be clamped. When a punched plate needs to be inserted and clamped, one end without the second movable head 2-2 faces inwards, and is limited by the limiting screws 2-3, so that the plate can be conveniently limited in the through holes inserted into the plate or the workpiece and clamped, and subsequent processes are guaranteed.

Claims

1. A dual-purpose fixing clamp comprises a small handle and a large handle, wherein a first clamp head is movably connected to the small handle through a rotating shaft, the large handle is fixedly connected to a second clamp head through a rivet, the first clamp head is also movably connected to the large handle, a connecting point of the head of the large handle is positioned on the inner side of the movable connecting point of the large handle and the small handle, a stop lever is also movably connected to the inner part of the small handle through a rivet or a hinge, the other end of the stop lever extends into the inner part of the large handle, an adjusting screw is connected to the tail part of the large handle through a thread, the head of the adjusting screw tightly abuts against the other end of the stop lever, a disengaging handle is movably mounted on the small handle through a rivet or a hinge, a tension spring mounting hole is further formed in the first clamp head and is positioned between a mounting hole of the small handle and the first clamp head and a mounting hole of the large handle; the method is characterized in that:

2. The dual-purpose fixation clamp of claim 1, wherein: two limiting holes are also formed in the second tong head; and the limiting screw is arranged in the limiting hole, and when the limiting screw is used, the fixing rod can be clamped between the two limiting screws.

3. The dual-purpose fixation clamp of claim 2, wherein: the limiting screw is connected with the limiting hole through threads.

4. The dual-purpose fixation clamp of claim 1, wherein: the tail end of the first plier head is provided with a first through hole, the first movable head is movably arranged on the first through hole of the first plier head through a pin shaft, the outer edge of the first through hole is provided with a chamfer angle alpha 1, and the angle of the chamfer angle alpha 1 is 145 degrees; similarly, the tail end of the fixed rod is provided with a second through hole, the second movable head is movably arranged on the second through hole of the fixed rod through a pin shaft, the outer edge of the second through hole is provided with a chamfer angle alpha 2, and the angle of the chamfer angle alpha 2 is 100-145 degrees.

5. The dual-purpose fixation clamp of claim 1, wherein: and a Z-shaped bevel is arranged in the middle of the second tong head, and the central axis of the fixed rod can coincide with the central line of the first tong head.

6. The dual-purpose fixation clamp of claim 2, wherein: the limiting screw on the limiting hole is provided with a conical surface, and the included angle beta between the two conical surfaces is 75-90 degrees.