CN114678811A

CN114678811A - Wire stripper

Info

Publication number: CN114678811A
Application number: CN202210583825.5A
Authority: CN
Inventors: 张凤仪; 庞翔宇; 曾妍; 谢珊; 曾宝国; 张芳; 娄婉秋; 孙珊珊
Original assignee: Chengdu Vocational and Technical College of Industry
Current assignee: Sichuan Hongyizhi Enterprise Management Consulting Co.,Ltd.; Weimanton Technology (Chongqing) Co.,Ltd.
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-06-28
Anticipated expiration: 2042-05-27
Also published as: CN114678811B

Abstract

The invention discloses wire stripping pliers, which comprise pliers handles and pliers jaws, wherein the pliers handles comprise a first pliers handle and a second pliers handle which are hinged with each other, and a measuring caliper assembly is arranged between the first pliers handle and the second pliers handle. Through setting up the measurement slide caliper rule subassembly, the external diameter and the heart yearn diameter of measurable quantity electric wire, directly select suitable wire stripping mouth when being convenient for the wire stripping, need not estimate the heart yearn diameter again, can select the wire stripping hole that the size is suitable after trying many times.

Description

Wire stripper

Technical Field

The invention belongs to the field of electrician tools, and relates to wire stripping pliers.

Background

The wire stripper is one of the common tools for internal wire electricians, motor repairs and instrument electricians, and is used for stripping the surface insulation layer of the head of the wire by the electrician. The wire stripper can separate the cut insulating sheath from the wire and prevent electric shock, and consists of a knife edge, a wire pressing opening and a plier handle. An insulating sleeve with 500V rated working voltage is sleeved on a wire stripping pliers handle.

The cutting edge of the wire stripper is provided with wire stripping holes with different aperture sizes of 0.6m, 0.8mm, 1.0mm, 1.3mm, 1.6mm, 2.0mm, 2.6mm and the like.

In the process of implementing the invention, the inventor finds that at least one of the following technical problems exists in the prior art:

the core wire is easy to be stripped or damaged by using a wire stripper, and the requirement on the experience of workers is high. When in wire stripping operation, a proper wire stripping hole is required to be selected according to the diameter of a wire core material: the aperture is too large, so that the insulating skin is not easy to strip, and the wire stripping efficiency is influenced by repeatedly trying to select a wire stripping hole; the pore diameter is selected to be too small, so that the core wire is easy to be damaged and even cut off.

Disclosure of Invention

In view of this, the present invention provides a wire stripper capable of measuring the diameter of a wire or a core wire, so as to improve the wire stripping efficiency and reduce the damage of the wire stripper to the core material.

The invention provides a wire stripper which comprises a clamp handle and a clamp opening, wherein the clamp handle comprises a first clamp handle and a second clamp handle which are hinged, and a measuring caliper assembly is arranged between the first clamp handle and the second clamp handle.

According to one embodiment of the wire stripper of the present invention, the measuring caliper assembly comprises an outer caliper and an inner caliper, wherein the outer caliper is provided with a first measuring jaw, and the inner caliper is provided with a second measuring jaw.

According to one embodiment of the wire stripper of the present invention, the outer rule has a first scale and the inner rule has a second scale.

According to one embodiment of the wire stripper of the present invention, the outer rule is provided with a sliding groove, and the inner rule is in sliding fit with the sliding groove.

According to one embodiment of the wire stripper according to the invention, the outer rule is articulated to the first grip lever and the inner rule is articulated to the second grip lever.

According to one embodiment of the wire stripper of the present invention, the first clamp handle is provided with a first handle hole, the second clamp handle is provided with a second handle hole, the outer ruler is connected in the first handle hole, and the inner ruler is connected in the second handle hole.

According to an embodiment of the wire stripper of the present invention, a first hole pillar is disposed in the first handle hole, a second hole pillar is disposed in the second handle hole, the first clamp handle is rotatably engaged with the first hole pillar, and the second clamp handle is rotatably engaged with the second hole pillar.

According to one embodiment of the wire stripper of the present invention, the wire stripper further comprises an elastic member, wherein a first end of the elastic member is connected to the first clamp handle or the outer ruler, and a second end of the elastic member is connected to the second clamp handle or the inner ruler.

In accordance with one embodiment of the wire stripper of the present invention, the measuring caliper assembly is located at the forward end of the jaw shank.

According to one embodiment of the wire stripper according to the invention, the first measuring jaw and the second measuring jaw are located on a side close to the jaws.

Compared with the prior art, one of the technical solutions has the following advantages:

a) according to one embodiment of the wire stripper, the measuring caliper assembly is arranged to measure the outer diameter and the core wire diameter of the wire, so that a proper wire stripping opening can be directly selected during wire stripping. The diameter of the core wire is not required to be estimated, and the wire stripping hole with the proper size can be selected after multiple attempts.

b) The wire stripper is structurally improved based on the existing wire stripper structure, the external dimension of the wire stripper is not increased, and the carrying of the wire stripper is not influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a front view of a preferred embodiment of the wire stripper of the present invention.

Fig. 2 is a schematic diagram of the right-side structure of fig. 1.

Fig. 3 is a schematic perspective view of fig. 1.

Fig. 4 is a schematic sectional view a-a in fig. 2.

The labels in the figure are respectively:

100 of a pair of wire strippers, namely,

101, the clamping jaw is clamped by a clamping jaw,

110 of the first pair of forceps handles,

111 the first handle hole of the first handle,

112 a first one of the hole columns,

120 of the second forceps handle, 120,

121 of the second shank hole, and,

122 a second hole column is arranged on the first hole column,

130 of the plurality of elastic elements are provided,

210 of the outer dimension of the slide rail,

211 a first measuring jaw which is arranged to be movable,

the 212-degree slide groove is arranged on the upper surface of the main body,

220 of the inner ruler, the inner ruler is,

221 a second measuring jaw, which is provided with a measuring jaw,

222, a connection portion.

Detailed Description

The following description of an embodiment is made with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

See fig. 1-4. The wire stripper 100 described in this embodiment includes a handle for facilitating the operation of the worker and a jaw 101 for stripping the insulation of the wire, and the jaw 101 is provided with a plurality of wire stripping openings with different apertures. The forceps handles comprise a first forceps handle 110 and a second forceps handle 120 which are hinged to each other, and shaft holes are formed in the first forceps handle 110 and the second forceps handle 120 and are connected through rotating shafts. A first jaw is provided on an extension of the first handle 110 and a second jaw is provided on an extension of the second handle 120. The first jaw is provided with a plurality of lower half wire stripping grooves with different sizes, the second jaw is provided with a plurality of upper half wire stripping grooves with different sizes, and when the first jaw and the second jaw are combined in a staggered mode, the lower half wire stripping grooves and the upper half wire stripping grooves are combined in a staggered mode to form a plurality of wire stripping openings with different sizes. In the existing wire stripper, the conventionally arranged wire stripping hole diameters have 7 specifications of 0.6m, 0.8mm, 1.0mm, 1.3mm, 1.6mm, 2.0mm and 2.6 mm.

See fig. 1-4. A measuring caliper assembly is mounted between the first and

second handles

110, 120. The measuring caliper assembly can measure the outer diameter and the core wire diameter of the electric wire, and a wire stripping opening with a proper size can be directly selected when the wire is stripped conveniently. The diameter of the core wire is not required to be estimated by experience any more, and the wire stripping hole with the proper size can be selected after a plurality of attempts.

The measuring caliper assembly comprises an outer caliper 210 and an inner caliper 220, wherein a first measuring claw 211 is fixedly arranged on the outer caliper 210, and a second measuring claw 221 is fixedly arranged on the inner caliper 220. The first measuring jaw 211 and the second measuring jaw 221 face the jaw 101, so that fingers of an operator are prevented from being accidentally injured during use. The height of the first measuring jaw 211 and the second measuring jaw 221 is preferably set to the maximum hole radius of the wire stripping opening. The first clamp handle 110 and the second clamp handle 120 are folded, the included angle is reduced, and when the first clamp jaw and the second clamp jaw are combined in a staggered mode, the first measuring claw 211 is attached to the second measuring claw 221; the first handle 110 is separated from the second handle 120, the included angle is increased, and the first measuring jaw 211 is separated from the second measuring jaw 221. Referring to fig. 1 and 4, the first measuring jaw 211 is a triangular cylinder or a trapezoidal cylinder, the second measuring jaw 221 is a triangular cylinder or a trapezoidal cylinder, the first measuring jaw 211 has a first clamping surface, the second measuring jaw 221 has a second clamping surface, the first clamping surface and the second clamping surface are parallel planes and are arranged face to face, and when the first jaw and the second jaw are combined in a staggered manner, i.e., in a wire stripping state, the first clamping surface and the second clamping surface are attached to each other.

The outer scale 210 is provided with a first scale (not shown in the drawings), and the inner scale 220 is provided with a second scale (not shown in the drawings). The setting mode of the scale can be set as standard scale or relative scale. When the standard scale is set, the second scale is a main scale, and the first scale is a sub-scale to measure the confirmed diameter of the wire. When setting up relative scale, set up corresponding scale according to wire stripping mouth aperture and quantity on the wire stripping pliers, for example, wire stripping mouth aperture is 0.6m, 0.8mm, 1.0mm, 1.3mm, 1.6mm, when 2.0mm and 2.6mm, set up to 7 scale intervals through setting up first scale, perhaps the second scale sets up to 7 scale intervals, perhaps first scale and the cooperation of second scale set up to 7 scale intervals, through matching heart yearn diameter and one in 7 scale intervals, select suitable wire stripping mouth.

In this embodiment, a specific measuring caliper assembly structure and a measuring caliper assembly mounting structure are provided. The measuring caliper assembly is located at the front end of the caliper handle. The first measuring jaw 211 and the second measuring jaw 221 are located near one side of the jaw 101. The first forceps handle 110 is provided with a first handle hole 111, the second forceps handle 120 is provided with a second handle hole 121, the first handle hole 111 and the second handle hole 121 are oppositely arranged, the outer ruler 210 is connected in the first handle hole 111, and the inner ruler 220 is connected in the second handle hole 121. A first hole column 112 is arranged in the first handle hole 111, a second hole column 122 is arranged in the second handle hole 121, the first forceps handle 110 is in running fit with the first hole column 112, and the second forceps handle 120 is in running fit with the second hole column 122. Through the above arrangement, the outer ruler 210 is hinged to the first forceps handle 110, and the inner ruler is hinged to the second forceps handle 120. The outer ruler 210 is provided with a sliding groove 212, and the inner ruler 220 is in sliding fit with the sliding groove 212. The outer ruler 210 and the inner ruler 220 are always in a matched state, the length of the outer ruler 210 is equal to the shortest distance from the axial lead of the first hole column 112 to the axial lead of the second hole column 122 in a wire stripping state, and the length of the inner ruler 220 is equal to the shortest distance from the axial lead of the first hole column 112 to the axial lead of the second hole column 122 in the wire stripping state. Referring to fig. 4, the first and second stem holes 111 and 112 each have a width wider than the width of the outer rule 210, ensuring that the outer rule 210 and the inner rule 220 have sufficient rotation margins in the first and second stem holes 111 and 112, respectively. The first and second shanks 111,112 are of a thickness equal to the thickness of the outer rule 210, the end of the outer rule 210 being insertable into the second shank 112 in the wire stripping condition of the pliers. The first shank hole 111 and the second shank hole 112 may be provided as blind holes or as through holes.

In this embodiment, the wire stripper further comprises an elastic member 130, and the elastic member 130 is disposed parallel to the inner rule 220. The first end of the elastic member 130 is connected to the first handle 110 or the outer ruler 210, and the second end of the elastic member 130 is connected to the second handle 120 or the inner ruler 220. In the present embodiment, a connection portion 222 is disposed on the inner ruler 220. The first end of the elastic member 130 is connected to the first forceps handle 110, and the second end of the elastic member 130 is connected to the connecting portion 222. The connecting portion 222 and the second measuring jaw 221 are respectively located on two opposite sides of the inner ruler 220. In this embodiment, the elastic member 130 is a compression spring, and when the compression spring is in a natural state, the compression spring does not bear a tensile force nor a pressure, and the wire stripper is in an open state; when the wire stripper is in a measuring state or a wire stripping state, the pressure spring is in a compression state.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.

Claims

1. The wire stripper comprises a clamp handle and a clamp opening, wherein the clamp handle comprises a first clamp handle and a second clamp handle which are hinged with each other, and the wire stripper is characterized in that a measuring caliper assembly is arranged between the first clamp handle and the second clamp handle.

2. The wire stripper of claim 1, wherein the measuring caliper assembly includes an outer rule having a first measuring jaw and an inner rule having a second measuring jaw.

3. The wire stripper as defined in claim 2, wherein the outer rule is provided with a first scale and the inner rule is provided with a second scale.

4. The wire stripper of claim 3, wherein the outer rule has a slot, and the inner rule is slidably engaged with the slot.

5. The wire stripper of claim 2, wherein the outer rule is hingedly connected to the first handle and the inner rule is hingedly connected to the second handle.

6. The wire stripper as defined in claim 5, wherein the first jaw handle has a first handle hole formed therein, the second jaw handle has a second handle hole formed therein, the outer rule is connected in the first handle hole, and the inner rule is connected in the second handle hole.

7. The wire stripper as defined in claim 6, wherein a first hole post is disposed in the first shank hole, a second hole post is disposed in the second shank hole, the first jaw shank being rotationally engaged with the first hole post, and the second jaw shank being rotationally engaged with the second hole post.

8. The wire stripper of claim 2, further comprising a resilient member, a first end of the resilient member being connected to the first grip or the outer rule and a second end of the resilient member being connected to the second grip or the inner rule.

9. The wire stripper of claim 2, wherein the measuring caliper assembly is located at the forward end of the jaw shank.

10. The wire stripper of claim 2 or 9, wherein the first and second measuring jaws are located on a side adjacent to the jaws.