CN215942622U

CN215942622U - Parallel hand vice

Info

Publication number: CN215942622U
Application number: CN202122492578.1U
Authority: CN
Inventors: 金世华
Original assignee: Shenzhen Huahai Technology Research And Development Co ltd
Current assignee: Shenzhen Huahai Technology Research And Development Co ltd
Priority date: 2021-10-17
Filing date: 2021-10-17
Publication date: 2022-03-04
Anticipated expiration: 2031-10-17

Abstract

The utility model discloses parallel hand pliers, which comprise a first handle, a second handle, a first chuck, a second chuck, a first connecting rod, a second connecting rod, a first base plate, a second base plate, a spring seat, a first main shaft, a second main shaft, a first driven shaft, a second driven shaft, a third driven shaft, a fourth driven shaft, a first spring, a second spring and the like, wherein when the parallel hand pliers are used, two jaw surfaces can always keep parallel, and when a flat object is clamped, a contact surface is a plane, so that the parallel hand pliers are uniformly stressed, stable and reliable in clamping and small in damage to the clamped object; the cylindrical object can be clamped and cannot slide out; can be made into a manual stamping tool.

Description

Parallel hand vice

Technical Field

The utility model relates to the field of hardware tools, in particular to a pair of parallel hand pliers.

Background

Pliers, also known as pliers and pliers, are a tool often used by people. However, only when the jaws of the existing pliers are closed, the two jaw surfaces are parallel to each other, and after the jaws are opened, an included angle larger than zero degree is formed between the two jaw surfaces, so that the jaws are V-shaped; when a plane object is clamped, the stress is only applied to the root part, the clamping is not firm, and the clamped object is easy to deform locally; when clamping cylindrical objects, the cylindrical objects generally slide out of the clamp, and the like can be listed.

Therefore, it is an urgent need to develop a parallel pliers that can keep two jaw surfaces parallel during clamping operation.

Disclosure of Invention

In view of the above, it is an object of the present invention to provide parallel pliers in which the jaw faces remain parallel regardless of whether the jaws are closed or open.

In order to achieve the above object, the present invention provides the following solutions:

a pair of parallel hand pliers comprises a first handle, a second handle, a first chuck, a second chuck, a first connecting rod, a second connecting rod, a first base plate, a second base plate, a spring seat, a first main shaft, a second main shaft, a first driven shaft, a second driven shaft, a third driven shaft, a fourth driven shaft, a first spring and a second spring;

the first handle consists of a first head part and a first handle part; the first head part is provided with a first main hole and a first auxiliary hole; a first mandrel is arranged on the inner side of the first handle part;

the second handle consists of a second head part and a second handle part; a second main hole and a second auxiliary hole are formed in the second head part; a second mandrel is arranged on the inner side of the second head part;

the first chuck consists of a first clamp body, a first clamping surface, a first notch, a third slave hole and a fourth slave hole;

the second chuck consists of a second chuck body, a second chuck surface, a second notch, a fourth slave hole and a fifth slave hole;

a first spring hole and a second spring hole are formed in the spring seat; the first spring hole and the second spring hole are spaced and do not penetrate through;

the first main shaft penetrates into a first main hole of the first handle, a second main hole of the second handle, a first seat hole of the first base plate and a third seat hole of the second base plate; the first main shaft is rotatably connected with at least one of the first handle and the second handle;

the second main shaft penetrates into a seventh slave hole of the first connecting rod, an eighth slave hole of the second connecting rod, a second seat hole of the first base plate and a fourth seat hole of the second base plate; the second main shaft is rotatably connected with at least one of the first connecting rod and the second connecting rod;

the first slave shaft penetrates into a first slave hole of the first handle and a third slave hole of the first chuck; the first driven shaft is rotatably connected with at least one of the first handle and the first chuck;

the second slave shaft penetrates into a fourth slave hole of the first chuck and a sixth slave hole of the first connecting rod; the second driven shaft is rotatably connected with at least one of the first chuck and the first connecting rod;

the third slave shaft passes into a second slave hole of the second handle and a fourth slave hole of the second collet; the third driven shaft is rotatably connected with at least one of the second handle and the second chuck;

the fourth slave shaft penetrates into a fifth slave hole of the second chuck and a seventh slave hole of the second connecting rod; the fourth driven shaft is rotatably connected with at least one of the second chuck and the second connecting rod;

the spring seat is positioned between the first base plate and the second base plate and is fixedly connected with at least one of the first base plate and the second base plate;

one end of the first spring is inserted into the first spring hole of the spring seat, and the other end of the first spring is sleeved on the second mandrel of the second handle;

one end of the second spring is inserted into the second spring hole of the spring seat, and the other end of the second spring is sleeved on the first mandrel of the first handle.

Furthermore, a third clamp body is arranged on the first clamp head, and a fourth clamp body is arranged on the second clamp head.

Furthermore, a first cut is arranged at the first head part of the first handle; and a second shear notch is arranged on the second head part of the second handle.

Further, the distance between the first main hole and the first slave hole of the first handle is equal to the distance between the sixth slave hole and the seventh slave hole of the first connecting rod; the distance between the second main hole and the second slave hole of the second handle is equal to the distance between the seventh slave hole and the eighth slave hole of the second connecting rod; the distance between the first seat hole and the second seat hole of the first substrate is equal to the distance between the third seat hole and the fourth seat hole of the second substrate.

Further, the first handle and the second handle have the same shape and structure; the first chuck and the second chuck have the same shape and structure; the first connecting rod and the second connecting rod have the same shape and structure; the first substrate and the second substrate have the same shape and structure.

Furthermore, a first die and a second die are respectively arranged on the first clamping surface of the first clamping head and the second clamping surface of the second clamping head, so that the workpiece can be punched.

Furthermore, a first bevel is arranged on the first clamping surface of the first chuck, a second bevel is arranged on the second clamping surface of the second chuck, and the cutting edge of the first bevel is coplanar with the cutting edge of the second bevel.

The utility model has the beneficial effects that: when the clamping fixture is used, the two clamping opening surfaces can be always kept parallel, when a flat plate object is clamped, the contact surface is a plane, the stress is uniform, the clamping is stable and reliable, and the damage to the clamped object is small; the cylindrical object can be clamped and cannot slide out; can be made into a manual stamping tool.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an assembly view of an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a first handle according to an embodiment of the present invention;

FIG. 4 is a schematic view of a second handle according to an embodiment of the utility model;

FIG. 5 is a schematic view of a first chuck in accordance with one embodiment of the present invention;

FIG. 6 is a schematic view of a second chuck in accordance with one embodiment of the present invention;

FIG. 7 is a schematic view of a first link according to an embodiment of the present invention;

FIG. 8 is a schematic view of a second link according to the present invention;

FIG. 9 is a schematic view of a first substrate and a second substrate according to an embodiment of the utility model;

FIG. 10 is a schematic view of a spring seat in accordance with an embodiment of the present invention;

FIG. 11 is a schematic assembly view of a second embodiment of the present invention;

FIG. 12 is a sectional view taken along line A-A in FIG. 11;

FIG. 13 is a schematic view of a second chuck in accordance with an embodiment of the present invention;

FIG. 14 is a schematic view of a second chuck in accordance with an embodiment of the present invention;

FIG. 15 is a sixth schematic of an embodiment of the utility model;

FIG. 16 is a schematic view of a seventh exemplary chuck in accordance with the embodiments of the present invention;

FIG. 17 is a schematic view of a seventh chuck according to an embodiment of the present invention.

Code numbers in the figures: the tool comprises a first handle 1, a second handle 2, a first chuck 3, a second chuck 4, a first connecting rod 5, a second connecting rod 6, a first base plate 7, a second base plate 8, a spring seat 9, a first main shaft 10, a second main shaft 11, a first driven shaft 12, a second driven shaft 13, a third driven shaft 14, a fourth driven shaft 15, a first spring 16, a second spring 17, a first die 18, a second die 19 and a workpiece 20; a first head 101, a first shank 102, a first master bore 103, a first slave bore 104, a first mandrel 105, a first shear 106; a second head 201, a second handle 202, a second master hole 203, a second slave hole 204, a second mandrel 205, a second shear 206; the clamp comprises a first clamp body 301, a first clamp face 302, a first notch 303, a third slave hole 304, a fourth slave hole 305, a third clamp body 306 and a first bevel 307; the clamp comprises a second clamp body 401, a second clamp surface 402, a second notch 403, a fourth slave hole 404, a fifth slave hole 405, a fourth clamp body 406 and a second bevel opening 407; sixth and

seventh slave holes

501 and 502; seventh slave hole 601, eighth slave hole 602; a first seat bore 701, a second seat bore 702; third seat hole 801, fourth seat hole 802; a first spring hole 901 and a second spring hole 902.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Example one

Please refer to fig. 1 to 10.

The parallel pliers are composed of a first handle 1, a second handle 2, a first chuck 3, a second chuck 4, a first connecting rod 5, a second connecting rod 6, a first base plate 7, a second base plate 8, a spring seat 9, a first main shaft 10, a second main shaft 11, a first driven shaft 12, a second driven shaft 13, a third driven shaft 14, a fourth driven shaft 15, a first spring 16 and a second spring 17;

the first handle 1 consists of a first head 101 and a first handle 102; a first master hole 103 and a first slave hole 104 are formed in the first header 101; a first mandrel 105 is provided inside the first shank 102;

the second handle 2 is composed of a second head part 201 and a second handle part 202; a second master hole 203 and a second slave hole 204 are formed in the second head 201; a second mandrel 205 is arranged on the inner side of the second head part 201;

the first chuck 3 consists of a first chuck body 301, a first chuck surface 302, a first notch 303, a third slave hole 304 and a fourth slave hole 305;

the second chuck 4 consists of a second chuck body 401, a second chuck surface 402, a second notch 403, a fourth slave hole 404 and a fifth slave hole 405;

a first spring hole 901 and a second spring hole 902 are formed in the spring seat 9; the first spring hole 901 is spaced from and does not extend through the second spring hole 902.

The first main shaft 10 penetrates into the first main hole 103 of the first handle 1, the second main hole 203 of the second handle 2, the first seat hole 701 of the first base plate 7 and the third seat hole 801 of the second base plate 8; the first main shaft 10 is rotatably connected with at least one of the first handle 1 and the second handle 2;

the second main shaft 11 penetrates into the seventh slave hole 502 of the first link 5, the eighth slave hole 602 of the second link 6, the second seat hole 702 of the first base plate 7 and the fourth seat hole 802 of the second base plate 8; the second main shaft 11 is rotatably connected with at least one of the first connecting rod 5 and the second connecting rod 6;

the first slave hole 104 penetrating from the shaft 12 to the first handle 1 and the third slave hole 304 of the first chuck 3; the first driven shaft 12 is rotatably connected with at least one of the first handle 1 and the first chuck 3;

the second slave shaft 13 penetrates into the fourth slave hole 305 of the first chuck 3 and the sixth slave hole 501 of the first connecting rod 5; the second driven shaft 13 is rotatably connected with at least one of the first chuck 3 and the first connecting rod 5;

the third passes from the shaft 14 into the second slave hole 204 of the second handle 2 and the fourth slave hole 404 of the second jaw 4; the third driven shaft 14 is rotatably connected with at least one of the second handle 2 and the second chuck 4;

a fourth slave shaft 15 penetrates into a fifth slave hole 405 of the second chuck 4 and a seventh slave hole 601 of the second connecting rod 6; the fourth shaft 15 is rotatably connected to at least one of the second chuck 4 and the second connecting rod 6.

The spring seat 9 is positioned between the first base plate 7 and the second base plate 8 and is fixedly connected with at least one of the first base plate 7 and the second base plate 8;

one end of the first spring 16 is inserted into the first spring hole 901 of the spring seat 9, and the other end is sleeved on the second spindle 205 of the second handle 2;

one end of the second spring 17 is inserted into the second spring hole 902 of the spring seat 9, and the other end is sleeved on the first spindle 105 of the first handle 1;

example two

Please refer to fig. 11 to 14. The first chuck 3 is further provided with a third chuck 306, and the second chuck 4 is further provided with a fourth chuck 406, which is the same as the first embodiment and will not be described again.

The chuck adopts two clamp structures, and the atress condition is more reasonable, and product life is longer.

EXAMPLE III

Please refer to fig. 3 and 4. A first shear notch 106 is arranged on the first head 101 of the first handle 1; a second shear notch 206 is arranged on the second head part 201 of the second handle 2; the first and

second cuts

106, 206 are aligned for cutting wire and the like. The rest of the embodiments are the same as those of the first embodiment, and are not described again.

Example four

In the foregoing embodiment, it was shown that,

the distance between the first main hole 103 and the first slave hole 104 of the first handle 1 is equal to the distance between the sixth slave hole 501 and the seventh slave hole 502 of the first link 5;

the distance between the second main hole 203 and the second slave hole 204 of the second handle 2 is equal to the distance between the seventh slave hole 601 and the eighth slave hole 602 of the second link 6;

the pitch between the first seat hole 701 and the second seat hole 702 of the first substrate 7 is equal to the pitch between the third seat hole 801 and the fourth seat hole 802 of the second substrate 8.

EXAMPLE five

In the foregoing embodiment, it was shown that,

the first handle 1 and the second handle 2 have the same appearance structure;

the first chuck 3 and the second chuck 4 have the same shape and structure;

the first connecting rod 5 and the second connecting rod 6 have the same appearance structure;

the first substrate 7 and the second substrate 8 have the same outer shape structure.

The same appearance structure is adopted, so that the production process can be simplified, and the manufacturing cost can be reduced; meanwhile, the overall appearance of the product is more attractive.

EXAMPLE six

Please refer to fig. 15. The first die 18 and the second die 19 are attached to the first clamping surface 302 of the first clamp 3 and the second clamping surface 402 of the second clamp 4, respectively, so that the workpiece 20 can be pressed.

And selecting proper technical parameters, wherein the axes of the first die 18 and the second die 19 are overlapped in the stamping process, so that the normal operation of stamping is ensured.

EXAMPLE seven

Please refer to fig. 16 and 17. The first clamping surface 302 of the first clamping head 3 is provided with a first bevel 307, and the second clamping surface 402 of the second clamping head 4 is provided with a second bevel 407. The cutting edge of the first bezel 307 is coplanar with the cutting edge of the second bezel 407.

The terms "first", "second", and the like in the present invention are used for descriptive distinction and have no other special meaning.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.

Claims

1. A parallel pliers is characterized in that: the clamping device comprises a first handle, a second handle, a first chuck, a second chuck, a first connecting rod, a second connecting rod, a first base plate, a second base plate, a spring seat, a first main shaft, a second main shaft, a first driven shaft, a second driven shaft, a third driven shaft, a fourth driven shaft, a first spring and a second spring;

2. The parallel hand pliers of claim 1, wherein a third jaw is further disposed on the first jaw and a fourth jaw is further disposed on the second jaw.

3. Parallel pliers according to claim 1 or 2, wherein a first cutting edge is provided on the first head of the first handle; and a second shear notch is arranged on the second head part of the second handle.

4. The parallel hand pliers according to claim 1 or 2, wherein the first master holes and the first slave holes of the first handle are equally spaced from the sixth slave holes and the seventh slave holes of the first link; the distance between the second main hole and the second slave hole of the second handle is equal to the distance between the seventh slave hole and the eighth slave hole of the second connecting rod; the distance between the first seat hole and the second seat hole of the first substrate is equal to the distance between the third seat hole and the fourth seat hole of the second substrate.

5. The parallel pliers according to claim 1 or 2, wherein said first handle and said second handle are identical in configuration; the first chuck and the second chuck have the same shape and structure; the first connecting rod and the second connecting rod have the same shape and structure; the first substrate and the second substrate have the same shape and structure.

6. The parallel pliers according to claim 1 or 2, wherein a first die and a second die are respectively mounted on the first clamping surface of the first clamping head and the second clamping surface of the second clamping head, so that a workpiece can be punched.

7. The parallel hand vice of claim 1 or 2, wherein a first bevel is provided on the first clamping face of the first clamping head, a second bevel is provided on the second clamping face of the second clamping head, and the cutting edge of the first bevel is coplanar with the cutting edge of the second bevel.