CN211090492U

CN211090492U - Tool-free fastening structure of soldier shovel

Info

Publication number: CN211090492U
Application number: CN201921959752.5U
Authority: CN
Inventors: 洪永强
Original assignee: Ningbo Xiesheng Lighting Industrial Co ltd
Current assignee: NINGBO XIESHENG LIGHTING IND CO Ltd; Ningbo Xiesheng Lighting Industrial Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-28
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an instrument fastening structure is exempted from of soldier's shovel, including first sleeve part, second sleeve part and connecting piece, the left part of connecting piece is fixed in first sleeve part, the connecting piece overcoat has the fastening ring of taking the internal screw thread, second sleeve part internal face is provided with an at least sand grip along the axial, the right part of connecting piece corresponds along the axial and is provided with the recess, the left end of second sleeve part is provided with the external screw thread, second sleeve part inserts between connecting piece and the fastening ring, and in the sand grip card goes into the recess, rotatory fastening ring will drive second sleeve part and remove and lock to the left side. The problem of shovel handle looseness of the industrial shovel in high-strength use is solved.

Description

Tool-free fastening structure of soldier shovel

Technical Field

The utility model relates to an outdoor instrument class product especially relates to an instrument-free fastening structure of soldier's shovel.

Background

The shovel is the conventional equipment of the worker, originally used for military function, but later the shovel is also commonly used in activities such as mountain-climbing, camping, gardening and the like or work such as disaster relief. At present, with the popularization of outdoor activities, the use of the shovel for the industrial soldier is more and more extensive. The prior art shovel structure comprises a shovel head and a shovel handle, wherein the shovel handle comprises a connecting piece at the end part and a plurality of sleeve pieces which can be connected end to end, and the connecting piece is positioned at the head part of the whole shovel handle and is connected with the shovel head. The sleeve part adopts and can dismantle the connection, can reduce the volume of whole engineer shovel after the dismantlement, portable and transportation.

The following problems are now found in use: two cover barrel spare screw thread swivelling joint, this structural stability is not high, causes easily not hard up and influences outdoor tool's use. How to design the fastening structure of cover barrel spare consequently for the connection between the cover barrel spare is stable, difficult not hard up, just becomes the utility model discloses a direction that the designer thinks.

In view of this, the designer of the present invention has conducted an in-depth discussion of the above problems, and has developed the "tool-free fastening structure of an industrial shovel" by means of research and development and manufacturing experience of related industries for many years, so as to improve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an instrument fastening structure is exempted from of industrial shovel is provided, solve the not hard up problem of shovel handle of industrial shovel in the high strength use.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the tool-free fastening structure of the industrial shovel comprises a first sleeve piece, a second sleeve piece and a connecting piece, wherein the left portion of the connecting piece is fixed in the first sleeve piece, the outer sleeve of the connecting piece is provided with a fastening ring with an internal thread, the inner wall surface of the second sleeve piece is provided with at least one convex strip along the axial direction, the right portion of the connecting piece is provided with a groove along the axial direction, the left end of the second sleeve piece is provided with an external thread, the second sleeve piece is inserted between the connecting piece and the fastening ring, the convex strip is clamped into the groove, and the rotary fastening ring drives the second sleeve piece to move to the left side and lock.

The utility model discloses further preferred scheme: the middle part interval of connecting piece be provided with two retaining rings, the left side retaining ring check keep off on the right side of first sleeve part, the right side retaining ring check keep off on the left side of second sleeve part.

The utility model discloses further preferred scheme: a limit groove is formed between the two retaining rings, a snap ring is arranged on the inner wall surface of the fastening ring, the snap ring is clamped into the limit groove,

the utility model discloses further preferred scheme: the limiting groove is internally provided with a spring gasket, the spring gasket is in a compression state and is positioned on the right side of the clamping ring, and the spring gasket applies a leftward force to the fastening ring.

The utility model discloses further preferred scheme: the outer diameter of the right part of the connecting piece is equal to the inner diameter of the second sleeve piece, and the inner diameter of the fastening ring is equal to the outer diameter of the second sleeve piece.

The utility model discloses further preferred scheme: the inner wall surface of the second sleeve piece is provided with two convex strips.

The utility model discloses further preferred scheme: the connecting piece constitute by the left part and the right part that cup joint, the right-hand member of left part the left end of right part embedding, left side retaining ring check is located left part, right side retaining ring is located right part, the recess be located right part surface.

The utility model discloses further preferred scheme: the internal thread of the fastening ring is positioned on the right side of the clamping ring.

Compared with the prior art, the utility model has the advantages of second sleeve part internal face is provided with an at least sand grip along the axial, and the right part of connecting piece corresponds along the axial and is provided with the recess. After the connecting piece is inserted into the second sleeve piece, the second sleeve piece is limited through the convex strips and the grooves, so that the second sleeve piece does not rotate. The second sleeve part is inserted between the connecting piece and the fastening ring, the fastening ring with the internal thread is sleeved outside the connecting piece, the outer thread is arranged at the left end of the second sleeve part, and the fastening ring rotates to drive the second sleeve part to move to the left side and lock the second sleeve part, so that the whole connecting structure is firm and does not loosen. The utility model provides a shovel handle not hard up problem of soldier's shovel in the high strength use.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the exploded structure of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3: tool-free fastening structure of an industrial shovel, including first sleeve part 1, second sleeve part 2 and connecting piece 3, the left part of connecting piece 3 is fixed in

first sleeve part

1, 3 overcoat of connecting piece have take internal screw thread

tight loop

4, 2 internal face of second sleeve part are provided with an at least sand grip 5 along the axial, the right part of connecting piece 3 corresponds along the axial and is provided with recess 6, the left end of second sleeve part 2 is provided with the external screw thread, second sleeve part 2 inserts between connecting piece 3 and the tight loop 4, and sand grip 5 card is gone into in recess 6, rotatory tight loop 4 will drive second sleeve part 2 and remove and lock to the left side.

The middle part interval of connecting piece 3 is provided with two

retaining rings

7, and 7 bars of left side retaining ring keep off on the right side of

first sleeve part

1, and 7 bars of right side retaining ring keep off on the left side of second sleeve part 2.

A limiting groove is formed between the two retaining rings 7, a clamping ring 8 is arranged on the inner wall surface of the fastening ring 4, and the clamping ring 8 is clamped into the limiting groove. The utility model discloses set up two retaining rings 7 and install the check fender piece or locating part that targets in place as first sleeve part 1, second sleeve part 2. And two retainer rings 7 form a limiting groove for assembling the fastening ring 4, so that the fastening ring 4 can rotate freely on the periphery of the connecting piece 3 and is limited in displacement.

The limiting groove is internally provided with a spring gasket, the spring gasket is in a compressed state and is positioned on the right side of the clamping ring 8, and the spring gasket applies leftward force to the fastening ring 4. The utility model discloses a spring shim further ensures that tight loop 4 screws with second sleeve part 2, can be in order to realize locking moving.

The outer diameter of the right part of the connecting element 3 is equal to the inner diameter of the second sleeve part 2 and the inner diameter of the fastening ring 4 is equal to the outer diameter of the second sleeve part 2. The utility model discloses the structure is mutually supported, also can strengthen the utility model discloses a structural strength.

The inner wall surface of the second sleeve member 2 is provided with two convex strips 5. Set up two sand grips 5 and do the utility model discloses an optimal structure.

Connecting piece 3 comprises left part 3a and right part 3b that cup joints, and the right-hand member embedding right side left end of left part, 7 check of left side retaining ring are located left part, and right side retaining ring 7 is located right part, and recess 6 is located right part surface. The connecting member 3 may be formed integrally or assembled separately. The utility model discloses a divide the body structure, adopt left part, right part equipment to form. The utility model discloses a structural design can reduce the shaping degree of difficulty of part.

The internal thread of the fastening ring 4 is located on the right side of the snap ring 8.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The tool-free fastening structure of the industrial shovel comprises a first sleeve piece, a second sleeve piece and a connecting piece, and is characterized in that the left portion of the connecting piece is fixed in the first sleeve piece, a fastening ring with an internal thread is sleeved outside the connecting piece, at least one convex strip is arranged on the inner wall surface of the second sleeve piece along the axial direction, a groove is formed in the right portion of the connecting piece along the axial direction, an external thread is arranged at the left end of the second sleeve piece, the second sleeve piece is inserted between the connecting piece and the fastening ring, the convex strip is clamped into the groove, and the rotary fastening ring drives the second sleeve piece to move to the left side and lock.

2. The tool-free fastening structure of the soldier shovel as claimed in claim 1, wherein two check rings are arranged at intervals in the middle of the connecting piece, the left check ring is blocked on the right side of the first sleeve piece, and the right check ring is blocked on the left side of the second sleeve piece.

3. The tool-free fastening structure of the industrial shovel as claimed in claim 2, wherein a limiting groove is formed between the two retaining rings, and a snap ring is arranged on the inner wall surface of the retaining ring and is clamped into the limiting groove.

4. The tool-free fastening structure of the soldier shovel as claimed in claim 3, wherein a spring washer is installed in the limiting groove, the spring washer is in a compressed state and is located on the right side of the clamping ring, and the spring washer applies a leftward force to the fastening ring.

5. The tool-less fastening structure of an industrial shovel as claimed in claim 1, wherein the right portion of the connecting member has an outer diameter equal to the inner diameter of the second sleeve member, and the fastening ring has an inner diameter equal to the outer diameter of the second sleeve member.

6. The tool-less fastening structure of an engineer shovel as claimed in claim 1, wherein the inner wall surface of the second sleeve member is provided with two ribs.

7. The tool-free fastening structure of the soldier shovel as claimed in claim 1, wherein the connecting piece is composed of a left piece and a right piece which are sleeved, the right end of the left piece is embedded into the left end of the right piece, the left retainer ring lattice is positioned on the left piece, the right retainer ring lattice is positioned on the right piece, and the groove is positioned on the surface of the right piece.

8. The tool-less fastening structure of an engineer shovel as claimed in claim 3, wherein the internal thread of the fastening ring is located on the right side of the snap ring.