CN220452442U - Bolt and bolt spanner - Google Patents

Abstract

The utility model discloses a bolt and an adaptive bolt spanner thereof. The bolt spanner comprises a batch head and a spanner main handle, wherein the batch head is annular, the inner ring size of the batch head is consistent with the diameter of the bolt head, and a plurality of second convex parts and second concave parts which are uniformly spaced and symmetrically distributed are arranged along the inner ring of the batch head. According to the utility model, the plurality of first convex parts and the first concave parts are arranged on the bolt head, the adaptation arrangement is also carried out on the screwdriver head of the bolt spanner, the positioning effect is realized through the first concave parts, the accurate matching is realized through the clamping of the plurality of convex parts and the concave parts, the slipping condition is prevented, and the condition that the bolt cannot be taken out due to the fact that the clamping is not carried out is greatly reduced.

Description

Bolt and bolt spanner

Technical Field

The utility model relates to the technical field of fasteners, in particular to a bolt and a bolt spanner.

Background

Bolts currently in use are mainly of the following three types: a straight shape, a cross shape and a hexagonal shape; the straight bolt, the straight screwdriver of the adaptation tool, the cross bolt, the plum blossom screwdriver of the adaptation tool, these two kinds of bolt surface grooves are too shallow, in the course of using, the surface groove of the bolt is often damaged by the screwdriver; the hexagonal bolt is matched with a tool wrench, so that slipping often occurs in the use process of the wrench, and the hexagon of the bolt is ground into a round shape, so that the bolt cannot be taken out; if the bolts are in the deeper holes, the bolts can not be taken out and can only be destructively removed due to the damage of the bolts, so that the equipment maintenance and repair efficiency is low and even the equipment is damaged.

Accordingly, there is a need in the art for improvements in bolts and bolt wrenches.

Disclosure of Invention

In view of the above, an object of the embodiments of the present utility model is to provide a bolt and a bolt wrench suitable for the same, which solves the problem that the existing bolt is easy to slip in the use process by providing a plurality of first protrusions and first recesses on the bolt head of the bolt and making an adapting structure on the bolt wrench.

In view of the above object, an embodiment of the present utility model provides a bolt including a bolt head and a bolt shank, a plurality of first convex portions and first concave portions extending radially being provided along an outer edge of the bolt head, and threads being provided on the bolt shank.

In some embodiments, the bolt head is cylindrical.

In some embodiments, three first protrusions and one first recess are uniformly arranged at intervals along the circumference of the cylindrical head, one first recess is symmetrically arranged with any one first protrusion, and the remaining two first protrusions are symmetrically arranged.

The utility model also provides a bolt spanner for installing or detaching the bolt, which comprises a screwdriver head and a spanner main handle, wherein the screwdriver head is annular, the inner ring of the screwdriver head is consistent in size with the diameter of the bolt head, and a plurality of second convex parts and second concave parts which are uniformly spaced and symmetrically distributed are arranged along the inner ring of the screwdriver head.

In some embodiments, one second protrusion and three second recesses are provided along the inner ring of the bit, the second protrusion engaging the first recess when the bolt spanner engages the bolt, the second recess engaging the first protrusion.

In some embodiments, a groove is provided on the wrench main handle, and a rotatable embedded handle is provided at the end of the wrench main handle, and in the non-use state, the embedded handle is completely accommodated in the groove.

In some embodiments, the rotatable angle between the embedded handle and the wrench main handle is in the range of 0-90 °.

In some embodiments, the screwdriver bit and the wrench main shank are detachably connected by a mortise and tenon structure.

The utility model has at least the following beneficial technical effects:

the utility model provides a bolt and an adaptive bolt spanner thereof, wherein a plurality of first convex parts and first concave parts are arranged on a bolt head, the adaptive arrangement is also carried out on a screwdriver head of the bolt spanner, the positioning effect is realized through the first concave parts, the accurate matching is realized through the clamping of the convex parts and the concave parts, the slipping condition is prevented, and the condition that the bolt cannot be taken out due to the fact that the clamping is not carried out is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a bolt provided by the present utility model;

fig. 2 is a schematic view of an embodiment of a bolt spanner according to the present utility model for installing or removing the bolt according to fig. 1.

Reference numerals illustrate:

1. a bolt head; 2. a bolt rod; 3. a head is batched; 4. a main handle of the wrench; 5. a handle is embedded; 10. a first convex portion; 11. a first concave portion; 12. a second concave portion; 13. and a second convex portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positions shown in the drawings, are merely for convenience of description, and are not to be construed as limiting the present utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

As shown in fig. 1, the bolt provided by the utility model comprises a bolt head 1 and a bolt rod 2, wherein a plurality of first convex parts 10 and first concave parts 11 which extend in the radial direction are arranged along the outer edge of the bolt head 1, and threads are arranged on the bolt rod 2.

Further, the bolt head is a cylindrical head. In some embodiments, three first protrusions 10 and one first recess 11 are uniformly provided at intervals along the circumference of the cylindrical head, one first recess 11 is symmetrically provided with any one first protrusion 10, and the remaining two first protrusions 10 are symmetrically provided. The only one first concave portion 11 is mainly used for positioning, and when the adapting wrench is used, the clamping position is conveniently, rapidly and accurately positioned, and similarly, the cylindrical head is also greatly convenient for clamping, and the bolt heads in other shapes can be changed by a person skilled in the art according to actual requirements, and the bolt heads are all within the protection scope of the utility model.

As shown in fig. 2, the bolt spanner for installing or detaching the bolt provided by the utility model comprises a screwdriver head 3 and a spanner main handle 4, wherein the screwdriver head 3 is annular, the inner ring of the screwdriver head 3 has the same size as the diameter of the bolt head 1, and a plurality of second convex parts 13 and second concave parts 12 which are uniformly spaced and symmetrically distributed are arranged along the inner ring of the screwdriver head 3.

Further, one second convex portion 13 and three second concave portions 12 are provided along the inner ring of the head 3, and when the bolt spanner is engaged with the bolt, the second convex portion 13 is engaged with the first concave portion 11, and the second concave portion 12 is engaged with the first convex portion 10.

Further, a groove is formed in the wrench main handle 4, a rotatable embedded handle 5 is arranged at the end of the wrench main handle 4, the embedded handle 5 is completely contained in the groove in a non-use state, the rotatable included angle between the embedded handle and the wrench main handle ranges from 0 degrees to 90 degrees, and the embedded handle 5 is rotated out of the groove in the use state, so that the clamping angle of the embedded handle 5 is changed into 90 degrees, and at the moment, the embedded handle 5 can assist in screwing a bolt of the wrench main handle more in a labor-saving mode.

Further, the screwdriver head 3 and the main handle 4 of the wrench are detachably connected through a mortise and tenon structure, and the screwdriver head can be replaced at any time to adapt to bolts with different sizes.

The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.

It should be understood that as used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

The foregoing embodiment of the present utility model has been disclosed with reference to the number of embodiments for the purpose of description only, and does not represent the advantages or disadvantages of the embodiments.

Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and many other variations of the different aspects of the embodiments of the utility model as described above exist, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the embodiments should be included in the protection scope of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a bolt, includes bolt head and shank of bolt, its characterized in that is provided with a plurality of radial first convex parts and the first concave part that extend along the outer fringe of bolt head, be provided with the screw thread on the shank of bolt, the bolt head is the cylinder head, follows the circumference interval of cylinder head evenly is provided with three first convex part and one first concave part, one first concave part with arbitrary one first convex part symmetry sets up, other two first convex parts symmetry sets up.

2. A bolt spanner for installing or removing the bolt according to claim 1, wherein the bolt spanner comprises a head and a spanner main handle, the head is annular, the inner ring of the head is identical in size with the diameter of the bolt head, and a plurality of second convex parts and second concave parts which are uniformly spaced and symmetrically distributed are arranged along the inner ring of the head.

3. The bolt spanner according to claim 2, wherein one second protrusion and three second recesses are provided along the inner ring of the bit, the second protrusion engaging with the first recess and the second recess engaging with the first protrusion when the bolt spanner is engaged with the bolt.

4. The bolt spanner according to claim 2, wherein a recess is provided in the main spanner shank, and a rotatable built-in handle is provided at an end of the main spanner shank, the built-in handle being fully received in the recess in a non-use state.

5. The bolt spanner according to claim 4, wherein the rotatable angle between the embedded handle and the main handle of the spanner is in the range of 0-90 °.

6. The bolt spanner according to claim 2, wherein the screwdriver bit and the spanner main shank are detachably coupled by a mortise and tenon structure.