CN211019872U - Screw-in type hole digging tool - Google Patents
Screw-in type hole digging tool Download PDFInfo
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- CN211019872U CN211019872U CN201921833619.5U CN201921833619U CN211019872U CN 211019872 U CN211019872 U CN 211019872U CN 201921833619 U CN201921833619 U CN 201921833619U CN 211019872 U CN211019872 U CN 211019872U
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Abstract
A screw-in hole digging tool comprises a tool head part, a tool rod part and a tool handle, wherein the tool head part is fixedly connected at one end of the tool rod part, and the other end of the tool rod part is fixedly connected below the center of the tool handle; the blade group is also included; the head of the tool is of a triangular sheet structure, the edge of the front end of the tool is a blade part, and the rear end of the tool is welded and fixed with the end part of the rod part of the tool; the blade group is fixedly arranged at the middle lower part of the rod part of the tool and comprises two semicircular blade single bodies, and sawteeth are uniformly distributed on the outer edges of the blade single bodies; the two semicircular blade single bodies are symmetrically and obliquely arranged in an X shape along the central axis of the tool rod body. The hole digging tool is simple in structure, and can save time and labor when entering various hard soil layers; the blade has the advantages that the blade can also play a role of the spiral saw blade in the process of rotating and entering soil, then the cut soil falls onto the blade and is taken out along with the blade in the rotating and pulling-out process, the blade area is large, the soil carrying effect is good, and the working efficiency is high.
Description
Technical Field
The utility model relates to a hand tool for digging, in particular to a screw-in type digging tool.
Background
During manual operation of agriculture and forestry, a tool commonly used for digging a hole is mainly a Luoyang shovel, during the hole digging process, a shovel body needs to be forcibly inserted into a soil layer, the two shovel bodies are moved to clamp soil in the middle of the shovel body, then the shovel body holding the soil is pulled out, the shovel body is opened to loose the soil, and the hole digging operation is completed by repeatedly performing the operation. This kind of ordinary instrument of digging a hole is in the use, mainly is applicable to the soil layer that the soil property is more loose, to the harder soil layer of soil property, need consume very big strength can insert into the shovel body, wastes time and energy, and work efficiency is low, and it is not good to take the soil effect when extracting moreover, can not satisfy the demand of the work of digging a hole at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the technical defect who mentions in the background art, provide a screw-in instrument of digging a hole, this kind of instrument of digging a hole is through the revolving force with the instrument bore into soil, then at the screw-out in-process, soil is taken out along with the blading.
In order to realize the purpose of the invention, the utility model adopts the technical scheme that: a screw-in hole digging tool comprises a tool head part, a tool rod part and a tool handle, wherein the tool head part is fixedly connected at one end of the tool rod part, and the other end of the tool rod part is vertically and fixedly connected below the center of the tool handle; the blade group is also included;
the head of the tool is of a triangular sheet structure, the edge of the front end of the tool is a blade part, and the rear end of the tool is welded and fixed with the end part of the rod part of the tool;
the blade group is fixedly arranged at the middle lower part of the rod part of the tool and comprises two semicircular blade single bodies, and sawteeth are uniformly distributed on the outer edges of the blade single bodies; the two semicircular blade single bodies are symmetrically and obliquely arranged in an X shape along the central axis of the tool rod body.
As a preferable scheme: the center of the bottom surface of the front end of the tool rod part is provided with a strip-shaped notch, and the rear end of the tool head part is inserted into the strip-shaped notch and is welded and fixed.
As a preferable scheme: the saw teeth are rectangular, and the outer edges of the saw teeth are of concave arc structures.
As a preferable scheme: the arc-shaped structure part is a sawtooth blade part.
As a preferable scheme: the circle centers of the cross sections of the two blade single bodies and the fixed positions of the tool rod body are taken as symmetrical points, the two blade single bodies are respectively inclined in two opposite directions, namely up and down, and the included angle between the blade single bodies and the horizontal plane is 10-15 degrees.
As one example thereof: the tool rod body is connected with the tool handle through a one-way rotating assembly; the unidirectional rotating assembly comprises a unidirectional rotating shaft and a unidirectional rotating shaft seat, the lower part of the unidirectional rotating shaft is concentrically sleeved in the unidirectional rotating shaft seat, the outer wall of the unidirectional rotating shaft is provided with inclined teeth, and the inner wall of the unidirectional rotating shaft seat is provided with tooth grooves corresponding to the inclined teeth; the inclined teeth are matched with the tooth grooves, so that the unidirectional rotation of the unidirectional rotating shaft is realized.
As a preferable scheme: the free end of the unidirectional rotating shaft is fixedly connected with the center of the tool handle; the lower end face of the one-way rotating shaft seat is fixedly connected with the tool rod body.
As another preferred embodiment: the tool rod body is fixedly welded with the central bottom surface of the tool handle.
As a preferable scheme: the tool rod body is an assembled rod body formed by connecting a plurality of short rods together through threads.
Compared with the prior art, the digging tool disclosed by the utility model has simple structure, the tool head is of a spearhead structure, and the digging tool can be used for various hard soil layers and can save time and labor when entering the soil layers; set up the saw bit on the outer circumference of blade group, at its rotatory in-process that buries, also can play the effect of helical saw bit, cut the soil layer, then extract the in-process in the rotation, the soil that cuts down falls on the blade and takes out thereupon, and the blade area is big, and it is effectual to take soil, and work efficiency is high.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection between the tool bar and the blade assembly of the present invention;
FIG. 3 is a schematic view of the connection structure between the tool handle and the tool head according to the present invention;
FIG. 4 is a schematic view of the connection structure between the tool shaft and the tool handle according to the present invention;
FIG. 5 is a schematic view of a unidirectional rotating shaft structure in the first embodiment;
FIG. 6 is a schematic view of the structure of the one-way rotating shaft seat in the first embodiment;
fig. 7 is a schematic structural diagram of the second embodiment.
In the figure: the tool comprises a tool head 1, a tool rod body 2, a blade group 3, a tool handle 4, sawteeth 5, a blade monomer 6 and a unidirectional rotating assembly 7;
in the unidirectional rotation assembly 7: a unidirectional rotating shaft 7-1 and a unidirectional rotating shaft seat 7-2.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to the attached drawings 1-7, the digging tool disclosed by the utility model is a tool for realizing screwing in and screwing out of the soil by utilizing a helical blade structure, and mainly comprises a tool head part 1, a tool rod body 2, a blade group 3, a tool handle 4, sawteeth 5 and a blade monomer 6.
In the screw-in hole digging tool, the head part of the tool is fixedly connected with one end of the rod part of the tool, and the other end of the rod part of the tool is vertically and fixedly connected below the center of the handle of the tool; also includes a blade set.
The tool head 1 is a triangular sheet structure, the edge of the front end of the tool head is a blade part, and the rear end of the tool head is welded and fixed with the end part of the tool rod part. The tool head plays the effect of spearhead, can drill into the stereoplasm soil layer at the screw in-process, and the application is wide. The center of the bottom surface of the front end of the tool rod part 1 is provided with a strip-shaped notch, and the rear end of the tool head is inserted into the strip-shaped notch and is welded and fixed.
The blade group 3 is fixedly arranged at the middle lower part of the rod part of the tool and comprises two semicircular blade monomers 6, and sawteeth 5 are uniformly distributed on the outer edges of the blade monomers. The two semicircular blade single bodies are symmetrically and obliquely arranged in an X shape along the central axis of the tool rod body. The sawtooth is the rectangle, and its outer fringe is the arc structure of indent, and arc structure part is the cutting part of sawtooth, at the screw in back-out in-process, plays the helical blade's of cutting soil layer effect.
Two blade monomer central authorities all are provided with a semicircular inner groovy, and this inner groovy cover is established in the outside of the instrument body of rod to it is fixed, the preferred welded fastening mode of this embodiment. The circle centers of the cross sections of the two blade single bodies and the fixed positions of the tool rod body are taken as symmetrical points, the two blade single bodies are respectively inclined in two opposite directions, namely up and down, and the included angle between the blade single bodies and the horizontal plane is 10-15 degrees. Although the two blade single bodies are obliquely arranged, soil scattered on the upper surfaces of the two blade single bodies is taken out in the screwing-out process, the soil carrying amount is large, the hole digging effect is good, and the efficiency is high.
The fixing mode between the tool rod body and the tool handle is shown in the embodiment:
example one
The tool rod body and the tool handle are connected together through a one-way rotating assembly 7. The unidirectional rotating component comprises a unidirectional rotating shaft 7-1 and a unidirectional rotating shaft seat 7-1. The lower part of the unidirectional rotating shaft is concentrically sleeved in the unidirectional rotating shaft seat, the outer wall of the unidirectional rotating shaft is provided with inclined teeth, and the inner wall of the unidirectional rotating shaft seat is provided with tooth grooves corresponding to the inclined teeth; the inclined teeth are matched with the tooth grooves, so that the unidirectional rotation of the unidirectional rotating shaft is realized. The free end of the unidirectional rotating shaft is fixedly connected with the center of the tool handle, and the lower end surface of the unidirectional rotating shaft seat is fixedly connected with the tool rod body. The tool handle drives the tool rod body to rotate towards one direction, and the tool rod body cannot rotate in the reverse direction.
Example two
The upper end of the tool rod body is fixedly welded at the center of the bottom surface of the tool handle.
When the actual design production, the external diameter size of blade group designs into a plurality of specifications according to the size of actually digging the hole, is convenient for various scale cave needs.
Preferably, the tool rod body is an assembly type rod body formed by connecting a plurality of short rods together through threads. The number of the short rods is determined according to actual needs, and the adjacent short rods are connected together through the inner threads and the outer threads which are matched with each other at the end parts of the short rods.
Claims (9)
1. A screw-in hole digging tool comprises a tool head part, a tool rod part and a tool handle, wherein the tool head part is fixedly connected at one end of the tool rod part, and the other end of the tool rod part is vertically and fixedly connected below the center of the tool handle; the method is characterized in that: the blade group is also included;
the head of the tool is of a triangular sheet structure, the edge of the front end of the tool is a blade part, and the rear end of the tool is welded and fixed with the end part of the rod part of the tool;
the blade group is fixedly arranged at the middle lower part of the rod part of the tool and comprises two semicircular blade single bodies, and sawteeth are uniformly distributed on the outer edges of the blade single bodies; the two semicircular blade single bodies are symmetrically and obliquely arranged in an X shape along the central axis of the tool rod body.
2. The screw-in hole digging tool of claim 1, wherein the bottom center of the front end of the tool rod part is provided with an elongated notch, and the rear end of the tool head part is inserted into the elongated notch and is welded and fixed.
3. A screw-in coring tool according to claim 1, wherein the serrations are rectangular with an outer edge having an inwardly concave arcuate configuration.
4. A screw-in boring tool according to claim 3, wherein the arcuate formation portion is a serrated edge.
5. The screw-in boring tool of claim 1, wherein the two blade units are inclined in two opposite directions, one upward and one downward, with respect to a center of a cross section where the two blade units and the tool shank are fixed as a point of symmetry, and an angle between the blade units and a horizontal plane is 10-15 °.
6. The screw-in boring tool of claim 1, wherein the tool shaft and the tool handle are connected together by a unidirectional rotation assembly; the unidirectional rotating assembly comprises a unidirectional rotating shaft and a unidirectional rotating shaft seat, the lower part of the unidirectional rotating shaft is concentrically sleeved in the unidirectional rotating shaft seat, the outer wall of the unidirectional rotating shaft is provided with inclined teeth, and the inner wall of the unidirectional rotating shaft seat is provided with tooth grooves corresponding to the inclined teeth; the inclined teeth are matched with the tooth grooves, so that the unidirectional rotation of the unidirectional rotating shaft is realized.
7. The screw-in hole digging tool of claim 6, wherein the free end of the one-way shaft is fixedly connected to the center of the tool handle; the lower end face of the one-way rotating shaft seat is fixedly connected with the tool rod body.
8. The screw-in boring tool of claim 1, wherein the tool shank is welded to the central bottom surface of the tool handle.
9. A screw-in boring tool according to claim 1, wherein the tool shank is an assembled shank made up of several short rods screwed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833619.5U CN211019872U (en) | 2019-10-29 | 2019-10-29 | Screw-in type hole digging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833619.5U CN211019872U (en) | 2019-10-29 | 2019-10-29 | Screw-in type hole digging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211019872U true CN211019872U (en) | 2020-07-17 |
Family
ID=71529012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921833619.5U Active CN211019872U (en) | 2019-10-29 | 2019-10-29 | Screw-in type hole digging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211019872U (en) |
-
2019
- 2019-10-29 CN CN201921833619.5U patent/CN211019872U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211112 Address after: 063000 No. 151, qizhuangzi village, songdaokou Town, LUANNAN COUNTY, Tangshan City, Hebei Province Patentee after: Fu Yuxuan Address before: 063000 north side of Tanggang highway (south of Dutu Village), songdaokou Town, LUANNAN COUNTY, Tangshan City, Hebei Province Patentee before: Tangshan Shanye Technology Co., Ltd |
|
| TR01 | Transfer of patent right |