CN215702976U

CN215702976U - Easy dismouting wall hole digger

Info

Publication number: CN215702976U
Application number: CN202122021726.1U
Authority: CN
Inventors: 蔡超凡; 黄海军
Original assignee: Hangzhou Lichang Tools Co ltd
Current assignee: Hangzhou Lichang Tools Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-01
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses an easily-disassembled wall tapper, which comprises a guide drill bit and a cover body sleeved on the outer side of the guide drill bit; the cover body is fixedly connected with a connecting rod; the guide drill bit is inserted on the connecting rod; wherein a connecting structure is arranged between the pilot bit and the connecting rod; the connecting structure comprises a clamping groove arranged at the top of the pilot bit, a connecting hole arranged on the connecting rod, a clamping pin matched with the connecting hole and an elastic ring arranged on the outer side of the connecting hole. By providing a connecting structure. So that the disassembly and the assembly are convenient and the use is reliable.

Description

Easy dismouting wall hole digger

Technical Field

The utility model relates to the technical field of wall hole drilling tools, in particular to an easily-disassembled wall hole drilling device.

Background

The hole digger is a saw cutting circular saw for processing circular holes, can perform hole forming operation on materials such as metal, wood, plastics, glass, stone and the like, and has extremely wide application due to simple and flexible operation, convenient carrying and the like. In the prior art, the guide drill bit is screwed into the threaded hole through a hexagonal screw or a counter bore screw and is fastened to prevent the guide drill bit from falling off from the hole digger set. The fastening mode in the existing hole digger suit is not convenient, and the problems of thread slipping, edge breaking and the like are more after the hole digger suit is used.

For example, in the chinese patent literature, a "hole opener and hole opener bit assembly" is disclosed under the publication number CN 205571498U. In this patent, a hole digger and hole digger drill bit subassembly is disclosed, and its technical scheme main points are including taking the open-ended cover body, the opening part of the cover body is equipped with the collar, be equipped with the incisor that the circumference distributes on the collar, the collar can be dismantled with the cover body and be connected. In this patent, the cover is axially restrained by a collar and a fastening nut; the disassembly is inconvenient and the use is unreliable.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a method for arranging a connecting structure, so that the disassembly and the assembly are convenient, and the use is reliable.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

an easy-to-assemble and disassemble wall tapper comprises a guide drill bit and a cover body sleeved on the outer side of the guide drill bit; the cover body is fixedly connected with a connecting rod; the guide drill bit is inserted on the connecting rod; wherein a connecting structure is arranged between the pilot bit and the connecting rod; the connecting structure comprises a clamping groove arranged at the top of the pilot bit, a connecting hole arranged on the connecting rod, a clamping pin matched with the connecting hole and an elastic ring arranged on the outer side of the connecting hole. The cover body is fixedly connected with the connecting rod and can be detached, the replacement is convenient, the guide drill bit is inserted into the connecting rod and is positioned through a connecting structure, the connecting structure is simple in structure and convenient to use, the replacement speed is increased, the production efficiency is improved, the use is reliable, and the service life is prolonged; the guide drill bit is inserted into the connecting rod, the clamping groove arranged on the guide drill bit corresponds to the connecting hole arranged on the connecting rod, the clamping pin is inserted into the connecting hole to perform connecting and positioning effects on the guide drill bit, and meanwhile, the connecting rod is provided with an elastic ring which is sleeved outside the connecting hole to prevent the clamping pin from falling off, so that the structure is simple and the use is convenient; when the elastic ring is disassembled, the elastic ring is removed, and the clamping pin is taken out, so that the elastic ring is simple to use.

Further, the connecting hole comprises a containing hole and a through hole with the diameter smaller than that of the containing hole. The containing hole is communicated with the through hole, namely, the connecting hole penetrates through the connecting rod; this setting can inject the entering position of above-mentioned bayonet lock, can be better connect the location, above-mentioned through hole is owing to communicate with external world simultaneously for when dismantling above-mentioned bayonet lock, make things convenient for taking out of above-mentioned bayonet lock, convenient to use.

Furthermore, a groove matched with the elastic ring is formed in the joint of the elastic ring and the connecting rod. Above-mentioned recess can carry on spacingly to above-mentioned elastic ring, prevents to appear squinting in the use and causes the influence of droing of above-mentioned bayonet lock to use, simple structure, convenient to use.

Further, the elastic ring is a rubber ring. Reliable use and low cost.

Furthermore, a storage groove is formed between the elastic ring and the cover body. In the process of disassembly, the elastic ring is only required to be rolled into the storage groove, the use is convenient, the elastic ring is not easy to drop and lose, the production efficiency is improved, and the cost is reduced.

Furthermore, the top of the connecting rod is provided with a connecting groove. When in use, the electric drill is stably connected with tools such as an electric drill and the like.

Compared with the prior art, the utility model has the advantages that: easy dismounting uses reliably, simple structure, convenient to use.

Drawings

FIG. 1 is a three-dimensional schematic of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a three-dimensional schematic view of the present invention without the inclusion of an elastic ring.

Fig. 5 is a cross-sectional view of fig. 4 at the groove.

In the figure:

1. a pilot bit; 2. a cover body; 3. a connecting rod; 4. a card slot; 5. connecting holes; 6. a bayonet lock; 7. an elastic ring; 8. a through hole; 9. a groove; 10. a storage tank; 11. connecting grooves; 12. a housing hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited 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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, an embodiment of an easy-to-mount and dismount wall hole opener of the present invention is shown, in which the hole opener includes a pilot bit 1 and a cover body 2 covering the pilot bit 1; the cover body 2 is fixedly connected with a connecting rod 3; the guide drill bit 1 is inserted on the connecting rod 3; wherein, a connecting structure is arranged between the pilot bit 1 and the connecting rod 3; the connecting structure comprises a clamping groove 4 arranged at the top of the pilot bit 1, a connecting hole 5 arranged on the connecting rod 3, a clamping pin 6 matched with the connecting hole 5 and an elastic ring 7 arranged outside the connecting hole 5. The cover body 2 is fixedly connected with the connecting rod 3 and can be detached, the replacement is convenient, the guide drill bit 1 is inserted on the connecting rod 3 and is positioned through a connecting structure, the connecting structure is simple in structure and convenient to use, the replacement speed is increased, the production efficiency is improved, the use is reliable, and the service life is prolonged; the guide drill bit 1 is inserted into the connecting rod 3, a clamping groove 4 arranged on the guide drill bit 1 corresponds to a connecting hole 5 arranged on the connecting rod 3, a clamping pin 6 is inserted into the connecting hole 5 to perform connecting and positioning effects on the guide drill bit 1, an elastic ring 7 is arranged on the connecting rod 3, and the elastic ring 7 is sleeved outside the connecting hole 5 to prevent the clamping pin 6 from falling off, so that the structure is simple and the use is convenient; when the pilot bit 1 is disassembled, the elastic ring 7 is removed, and the bayonet 6 is taken out, so that the pilot bit is simply used.

Referring to fig. 1-5, an embodiment of an easy-to-mount wall hole opener of the present invention is shown, in which the basic portion is identical to the above-mentioned embodiment, and will not be described herein. In this embodiment, the above-mentioned connection hole 5 includes a housing hole 12 and a through hole 8 having a smaller diameter than the housing hole 12. The accommodating hole 12 is communicated with the through hole 8, namely, the connecting hole 5 penetrates through the connecting rod 3; the arrangement can limit the entering position of the bayonet 6, can better connect and position, and simultaneously, the through hole 8 is communicated with the outside, so that the bayonet 6 can be conveniently taken out when the bayonet 6 is disassembled, and the use is convenient; in other embodiments, the connection hole 5 may be configured in other forms, for example, the bayonet 6 is adapted to the connection hole 5, which is not limited to this and is not described herein again; a groove 9 matched with the elastic ring 7 is arranged at the joint of the elastic ring 7 and the connecting rod 3; the groove 9 can limit the elastic ring 7, so that the bayonet 6 is prevented from falling off and affecting use in the use process due to deviation, the structure is simple, the use is convenient, and the elastic ring 7 is a rubber ring, so that the use is reliable and the cost is low; meanwhile, a storage groove 10 is formed between the elastic ring 7 and the cover body 2, and in the dismounting process, the elastic ring 7 only needs to roll into the storage groove 10, so that the use is convenient, the elastic ring 7 is not easy to drop and lose, the production efficiency is improved, and the cost is reduced; the connecting rod 3 is provided with a connecting groove 11 at the top, and is stably connected with tools such as an electric drill and the like during use.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. An easy-to-assemble and disassemble wall tapper comprises a guide drill bit and a cover body sleeved on the outer side of the guide drill bit; the method is characterized in that: the cover body is fixedly connected with a connecting rod; the guide drill bit is inserted on the connecting rod; wherein a connecting structure is arranged between the pilot bit and the connecting rod; the connecting structure comprises a clamping groove arranged at the top of the pilot bit, a connecting hole arranged on the connecting rod, a clamping pin matched with the connecting hole and an elastic ring arranged on the outer side of the connecting hole.

2. An easy to assemble and disassemble wall tap as claimed in claim 1, wherein: the connecting hole comprises a containing hole and a through hole with the diameter smaller than that of the containing hole.

3. An easy to assemble and disassemble wall tap according to claim 1 or 2, wherein: the elastic ring is provided with a groove matched with the elastic ring at the joint of the elastic ring and the connecting rod.

4. An easy to assemble and disassemble wall tap according to claim 1 or 2, wherein: the elastic ring is a rubber ring.

5. An easy to assemble and disassemble wall tap according to claim 3, wherein: the elastic ring is a rubber ring.

6. An easy to assemble and disassemble wall tap according to claim 1 or 2, wherein: a storage groove is arranged between the elastic ring and the cover body.

7. An easy to assemble and disassemble wall tap according to claim 3, wherein: a storage groove is arranged between the elastic ring and the cover body.

8. An easy to assemble and disassemble wall tap according to claim 4, wherein: a storage groove is arranged between the elastic ring and the cover body.

9. An easy to assemble and disassemble wall tap according to claim 1 or 2, wherein: the connecting rod top is equipped with the spread groove.

10. An easy to assemble and disassemble wall tap according to claim 3, wherein: the connecting rod top is equipped with the spread groove.