CN221892117U - Punch pliers - Google Patents

Abstract

The utility model discloses a punching clamp, which aims to solve the technical problem that the existing punching clamp is not labor-saving enough. In order to solve the technical problems, the utility model adopts the following technical scheme: a perforating clamp is designed, comprising: the handle comprises a fixed handle and a rotating handle, wherein the upper part of the rotating handle is provided with a pressing part, a clamp seat is provided with an opening at one side of the upper part of the clamp seat, the opening is provided with an upper jaw part and a lower jaw part, the upper part of the fixed handle is fixedly connected with the clamp seat, and the upper part of the rotating handle is hinged with the clamp seat; the punching needle is arranged below the opening of the clamp seat, the jaw part of the clamp seat is provided with a punching hole, and the top end of the punching needle is arranged in the punching hole; the pressure lever is a linear lever, the middle part of the pressure lever is hinged with the clamp seat, the front end of the pressure lever is positioned below the punching needle, and the rear end of the pressure lever is positioned below the pressing part of the rotary handle. The utility model has the beneficial effects that: simplifying the structure of the device and saving more labor.

Description

Punch pliers

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a punching pliers.

Background Art

Punching pliers are tools for punching holes in sheet materials such as leather, paper, thin metal, and plastic. The punch is pushed by a handle to punch. The punch is set in the clamp seat, and the handle and the clamp seat are connected by rotation to form a lever. According to the principle of lever, the longer the handle, the less effort it will take. However, if the handle is too long, the distance between the two handles will be too large and inconvenient to operate. If the handle is too short, it will be more laborious. The handle of the existing punching pliers is set below the clamp seat, and the push rod is driven by pulling force to push the punch, which is relatively laborious. Therefore, it is necessary to design a punching pliers that saves more effort to complete the punching work.

Summary of the invention

The utility model provides a punching pliers to solve the technical problem that the existing punching pliers are not labor-saving enough.

In order to solve the above technical problems, the utility model adopts the following technical solution: a punching pliers is designed, comprising:

The handle comprises a fixed handle and a rotating handle, wherein a pressing portion is arranged on the upper portion of the rotating handle; a clamp seat, wherein an opening is arranged on one side of the upper portion of the clamp seat, and the opening has an upper jaw portion and a lower jaw portion, the upper portion of the fixed handle is located on one side of the clamp seat opening and is fixedly connected to the clamp seat, the upper portion of the rotating handle is located on the other side of the clamp seat opening and the upper end portion of the rotating handle is hinged to the clamp seat; a punch needle is arranged below the opening of the clamp seat, the lower jaw portion of the clamp seat has a punch needle hole, and the top end of the punch needle is arranged in the punch needle hole; a pressure rod, wherein the pressure rod is arranged at the lower portion of the clamp seat, the pressure rod is a linear rod, the middle portion of the pressure rod is hinged to the clamp seat, the front end of the pressure rod is located below the punch needle, and the rear end of the pressure rod is located below the pressing portion of the rotating handle, the pressure rod is hinged to the clamp seat through a position close to the front end side, and when the rotating handle is rotated, the pressing portion is driven to push the rear end of the pressure rod downward and the front end of the pressure rod is rotated upward to push the punch needle.

Furthermore, the pressing portion of the rotating handle is rod-shaped, and the pressing portion extends toward the rear end of the pressure rod and is diagonally downward, and the pressing portion abuts against the rear end of the pressure rod.

Furthermore, a clamping groove is provided inside the clamp seat, the rotating handle is hinged on the inner side of the clamping groove, and the pressure rod is hinged on the lower part of the clamping groove.

Furthermore, positioning grooves are provided on both sides of the clamp seat, the upper part of the fixed handle is U-shaped, and the upper part of the fixed handle is arranged in the positioning groove to clamp the clamp seat inside the U shape.

Furthermore, a limit pin is provided on the clamp seat above the rotating rod.

Furthermore, the front end of the pressure rod is provided with a front roller or a front arc-shaped protrusion abutting against the bottom of the punch needle, and the pressing part is provided with a rear roller or a rear arc-shaped protrusion abutting against the pressure rod.

Furthermore, the punching needle includes a needle body, a base, and a connecting sleeve. The bottom of the connecting sleeve and the base are threadedly connected or integrally formed. The top of the connecting sleeve is provided with a needle groove, and the needle body is arranged in the needle groove.

Furthermore, a return spring is arranged on the punch pin, and a contact portion is arranged at the bottom of the punch pin. The lower end of the return spring abuts against the contact portion, and the upper end abuts against the bottom surface of the lower jaw of the clamp seat.

Furthermore, the upper jaw of the clamp seat is provided with a punch cap, which includes a clamping bolt and a cap body. The upper jaw of the clamp seat includes a punch cap hole, which has a step portion. The cap body is arranged in the punch cap hole and abuts against the step portion. The clamping bolt and the punch cap hole are threadedly connected and clamp the cap body.

Furthermore, the upper jaw of the clamp seat is provided with a punch cap, and the upper jaw of the clamp seat is provided with a punch cap hole. The punch cap includes a cap column and a cap head. The cap head is located below the upper jaw of the clamp body and abuts against the lower edge of the punch cap hole. The cap column is located in the punch cap hole, and a top screw is provided on the side of the upper jaw of the cavity to fix the punch cap.

Compared with the prior art, the beneficial technical effects of the utility model are:

The utility model adds a pressing portion to the top end of the rotating rod, and provides power by pressing the pressure rod. The pressure rod and the pressing portion extend backward, which is beneficial to increasing the length of the power arm and saving more effort.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the punching pliers of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the punching pliers of the present invention.

FIG. 3 is a schematic structural diagram of a clamp seat of the punching pliers of the present invention.

FIG. 4 is a schematic right side view of the clamp seat of the punching pliers of the present invention.

FIG. 5 is a schematic structural diagram of a fixed handle of the punching pliers of the present invention.

FIG. 6 is a schematic structural diagram of a punching needle of the utility model punching pliers.

FIG. 7 is a schematic diagram of the punch cap structure of the punching pliers of the present invention.

In the figure, handle 1, rotating handle 11, fixed handle 12, pressing portion 13, grip rod 121, clamping plate 122;

Clamp body 2, opening 21, upper jaw 22, lower jaw 23, clamping groove 24, positioning groove 25, limiting pin 26;

Punching needle 3, needle body 31, base 32, connecting sleeve 33, return spring 34;

Tighten the bolt 41 and the cap body 42.

DETAILED DESCRIPTION

The specific implementation modes of the present invention are described below in conjunction with the accompanying drawings and embodiments. However, the following embodiments are only used to illustrate the present invention in detail and do not limit the scope of the present invention in any way.

Embodiment 1: A punching pliers, see Figures 1 and 2, includes a handle 1, a pliers seat 2, a punch needle 3, and a pressure rod 4, wherein the structure of the pliers seat 2 is shown in Figures 3 and 4, the pliers seat 2 is arranged on the upper part of the punching pliers, an opening 21 is arranged on one side of the pliers seat 2, the opening 21 has an upper jaw 22 and a lower jaw 23, the lower part and the side of the pliers seat 2 have a connecting clamping groove 24, the handle 1 includes a rotating handle 11 and a fixed handle 12, the rotating handle 11 is arranged in the clamping groove 24 on the left side of the pliers seat 2, and its top is hinged to the pliers seat 2, and the fixed handle 12 is fixed to the right side of the pliers seat 2.

The structure of the fixed handle is shown in Figure 5, which includes a grip rod 121 at the bottom and two clamps 122 at the top. Positioning grooves 25 are set on the front and rear surfaces of the clamp seat 2. The clamps 122 are fixed to the top of the positioning grooves 25 so that the fixed handle clamps the clamp seat 2, which is more conducive to maintaining structural stability.

A punching needle 3 is arranged in the clamping groove 24 on the left side of the clamp seat 2, and the top of the punching needle 3 is located in the punching needle hole arranged on the lower jaw 23. The structure of the punching needle 3 is shown in Figure 6, which includes a needle body 31, a base 32, and a connecting sleeve 33. The top of the connecting sleeve 33 is provided with a needle groove, and the bottom of the needle body 31 is arranged in the needle groove. The needle groove plays a role of limiting the needle body 31. The bottom of the connecting sleeve 33 is threadedly connected to the base 32, and the length of the punching needle 3 can be adjusted by adjusting the base 33. In some other trial methods, the needle body 31, the base 32, and the connecting sleeve 33 can be integrally formed, or the base 32 and the connecting sleeve 33 are integrally formed, and the needle body 31 and the needle groove on the connecting sleeve 33 are threadedly connected.

As a further improvement, the punch 3 further comprises a return spring 34, one end of which abuts against the connecting sleeve 33, and the other end abuts against the bottom surface of the lower jaw 23 of the clamp seat 2. The return spring can also be arranged between the fixed rod 12 and the rotating rod 11.

A pressure rod 4 is arranged in the clamping groove 24 at the lower part of the clamp seat 2, and a pressing part 13 is arranged at the top of the rotating handle 11. The pressure rod 4 is in a straight line shape and is hinged to the clamp seat 2 at the left side of the pressure rod 4. The front end of the pressure rod 4 is located below the punching needle 3, and the rear end of the pressure rod 4 is located below the pressing part 13 of the rotating handle 11. When the rotating handle 11 is rotated inward, the pressing part 13 is driven to push the rear end of the pressure rod 4 downward and the front end of the pressure rod 4 is rotated upward to push the punching needle 3. The tail of the pressure rod 4 is tilted upward, and the pressing part 13 of the rotating handle 11 is rod-shaped. The pressing part 13 extends to the tail of the pressure rod 4 and is obliquely downward. The pressing part 13 and the tail of the pressure rod 4 are abutted, and the rear roller or rear arc-shaped protrusion arranged at the abutment is convenient for sliding between components. A U-shaped groove can be arranged at the front end of the pressure rod 4 below the punching needle 3 and a roller can be added to reduce friction. Similarly, a U-shaped groove can be arranged at the end of the pressing part 13 and a roller can be added.

A limit pin 26 is provided on the clamp seat 2 above the pressing portion 13 of the rotating handle 11 to limit the outward rotation angle of the handle.

A punch cap 4 is provided in the upper jaw 22 of the clamp seat 2, see FIG7, the punch cap includes a clamping bolt 41 and a cap body 42, the upper jaw 22 of the clamp seat 2 is provided with a punch cap hole, the punch cap hole has a step portion, the cap body 42 is provided in the punch cap hole and abuts against the step portion, the clamping bolt 41 is threadedly connected to the punch cap hole and clamps the cap body 42. In some other embodiments, the punch cap may also adopt the following structure: similar to the cap body 42 structure, including a cap column and a cap head, the cap head is located below the upper jaw of the clamp body and abuts against the lower edge of the punch cap hole, the cap column is located in the punch cap hole, and a top screw is provided on the side of the upper jaw of the cavity to fix the punch cap.

When in use, the handle 11 is pressed inward to rotate so that the pressing portion 13 rotates downward to press the tail of the pressing rod 4. At this time, the front end of the pressing rod 4 rotates upward to push the punch needle 3 upward, and cooperates with the punch cap to punch a hole in the plate placed in the opening 21.

The utility model is described in detail above with reference to the accompanying drawings and embodiments. However, those skilled in the art will appreciate that, without departing from the spirit of the utility model, the specific parameters in the above embodiments may be changed to form a plurality of specific embodiments, which are all within the common variation range of the utility model and will not be described in detail here.

Claims (10)

1. A punching pliers, characterized by comprising: a handle, comprising a fixed handle and a rotating handle, wherein a pressing portion is provided on the upper portion of the rotating handle, A clamp seat, an opening is provided on one side of the upper part of the clamp seat, the opening has an upper jaw and a lower jaw, the upper part of the fixed handle is located on one side of the clamp seat opening and is fixedly connected to the clamp seat, the upper part of the rotating handle is located on the other side of the clamp seat opening and the upper end of the rotating handle is hinged to the clamp seat; a punch needle is provided below the opening of the clamp seat, the lower jaw of the clamp seat has a punch needle hole, and the top end of the punch needle is provided in the punch needle hole; The pressure rod is arranged at the lower part of the clamp seat, the front end of the pressure rod is located below the punch needle, and the rear part of the pressure rod is located below the pressing part of the rotating handle. The pressure rod is hinged to the clamp seat through the position near the front end side. When the rotating handle is rotated, the pressing part drives the rear end of the pressure rod downward and causes the front end of the pressure rod to rotate upward to push the punch needle. 2. The punching pliers according to claim 1 are characterized in that the pressing portion of the rotating handle is rod-shaped, the pressing portion extends toward the rear end of the pressure rod and is diagonally downward, and the pressing portion and the rear end of the pressure rod are in abutment with each other. 3. The punching pliers according to claim 1 are characterized in that a clamping groove is provided inside the pliers seat, the rotating handle is hinged on the inner side of the clamping groove, and the pressure rod is hinged on the lower part of the clamping groove. 4. The punching pliers according to claim 1 are characterized in that positioning grooves are provided on both sides of the pliers seat, the upper part of the fixed handle is U-shaped, and the upper part of the fixed handle is arranged in the positioning groove to clamp the pliers seat inside the U shape. 5. The punching pliers according to claim 1, characterized in that a limit pin is provided on the pliers seat above the rotating rod. 6. The punching pliers according to claim 1 are characterized in that the front end of the pressure rod is provided with a front roller or a front arc-shaped protrusion abutting against the bottom of the punch needle, and the pressing part is provided with a rear roller or a rear arc-shaped protrusion abutting against the pressure rod. 7. The punching pliers according to claim 1 are characterized in that the punching needle includes a needle body, a base, and a connecting sleeve, the bottom of the connecting sleeve and the base are threadedly connected or integrally formed, a needle groove is provided on the top of the connecting sleeve, and the needle body is arranged in the needle groove. 8. The punching pliers according to claim 7 are characterized in that a return spring is provided on the punch needle, a contact portion is provided at the bottom of the punch needle, the lower end of the return spring abuts against the contact portion, and the upper end abuts against the bottom surface of the lower jaw of the pliers seat. 9. The punching pliers according to claim 1 are characterized in that the upper jaw of the pliers seat is provided with a punch cap, the punch cap includes a clamping bolt and a cap body, the upper jaw of the pliers seat includes a punch cap hole, the punch cap hole has a step portion, the cap body is arranged in the punch cap hole and abuts against the step portion, the clamping bolt and the punch cap hole are threadedly connected and clamp the cap body. 10. The punching pliers according to claim 1 are characterized in that the upper jaw of the pliers seat is provided with a punch cap, and the upper jaw of the pliers seat is provided with a punch cap hole, the punch cap includes a cap column and a cap head, the cap head is located below the upper jaw of the pliers body and abuts against the lower edge of the punch cap hole, the cap column is located in the punch cap hole, and a top screw is provided on the side of the upper jaw of the cavity to fix the punch cap.