CN220719128U - Connecting structure of tool head and rod part - Google Patents
Connecting structure of tool head and rod part Download PDFInfo
- Publication number
- CN220719128U CN220719128U CN202321941498.2U CN202321941498U CN220719128U CN 220719128 U CN220719128 U CN 220719128U CN 202321941498 U CN202321941498 U CN 202321941498U CN 220719128 U CN220719128 U CN 220719128U
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- China
- Prior art keywords
- head
- assembly
- shank
- tool
- rod part
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- 239000007787 solid Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The connecting structure of the tool head and the rod part comprises the tool head, an assembly sleeve and a tool rod part, wherein the tool head is assembled with the assembly sleeve together; the section of the assembly hole is of a polygonal structure; the tool shank includes a shank body and an assembly head; the assembly head is of a polygonal structure matched with the assembly hole. The connecting structure directly applies the circumferential positioning structure to the assembling sleeve and the tool rod part, so that the quick assembly of the rod part and the assembling sleeve is realized; on the premise of ensuring circumferential positioning, the bearing is not easy to deform under the condition of stress, and the service life is long; the tool rod part and the assembly sleeve can be mutually exchanged, and the application range is wide.
Description
Technical Field
The utility model relates to the field of hand tools, in particular to a connecting structure of a tool head and a rod.
Background
In order to improve the convenience of assembling and disassembling and the stability of the existing hand tool during use, the tool head and the rod part are realized through a quick connecting structure.
The utility model discloses a connecting structure suitable for quick assembly of a head and a rod of a hand tool, wherein circumferential positioning between an inner sleeve and the inner sleeve is realized through teeth, the 47 th section of the specification states that teeth for positioning are arranged on the outer wall of the inner sleeve, teeth matched with the inner wall of the outer sleeve are arranged on the inner wall of the outer sleeve, and circumferential positioning is realized, and the specification can clearly show the tooth structure on the outer wall of the inner sleeve, namely the fine teeth, and the teeth on the inner wall of the outer sleeve are matched with the teeth.
In the long-term assembly and use process, the circumferential twisting of the connecting structure of the fine teeth can cause certain damage to the teeth, the teeth are easy to deform, the phenomena of tooth biting and locking occur, and the normal disassembly and assembly are influenced; in addition, the manufacturing process of the fine tooth is complex, the manufacturing cost is high, and the efficiency is low.
Disclosure of Invention
The utility model provides a connecting structure of a tool head and a rod part, which can effectively avoid the phenomena of tooth biting and locking of circumferential positioning teeth caused by stress deformation.
The technical scheme adopted for realizing the technical purpose is as follows: a connecting structure of a tool head and a rod part comprises the tool head, an assembling sleeve and a tool rod part, wherein the tool head is assembled with the assembling sleeve, the tool rod part is assembled with the assembling sleeve through a connecting piece,
the assembly hole is internally provided with an assembly hole, and the assembly hole is a trapezoid hole with a large outside and a small inside; the section of the assembly hole is of a polygonal structure;
the tool shank includes a shank body and an assembly head; the assembly head is of a polygonal structure matched with the assembly hole.
As a preferable technical scheme, the cross sections of the assembly holes and the assembly heads are of hexagonal or octagonal polygonal structures.
As a preferable technical scheme, the rod main body is a hollow rod body; the front section of the lever body is punched into the fitting head.
As a preferable technical scheme, a solid lining core is inserted into the front section of the rod main body.
As a preferable technical scheme, the rod main body is a solid rod body; the assembly head is a hollow cap body and is fixedly sleeved on the front section of the rod main body.
As the preferable technical scheme, the rod main body is a reducing rod body and comprises a conical rod body at the front section and a cylindrical rod body at the rear section.
Compared with the prior art, the connecting structure disclosed by the utility model has the beneficial effects that:
1. the circumferential positioning structure is directly applied to the rod part of the assembly tool, so that the quick assembly of the rod part and the assembly tool is realized;
2. the assembly head and the assembly hole of the assembly are embedded together through a polygonal structure, so that the contact surface is large, deformation is not easy to occur under the condition of stress on the premise of ensuring circumferential positioning, and the service life is long;
3. the assembly head and the assembly hole of the polygonal section are easier to assemble and disassemble and position, and the tool rod part and the assembly sleeve can be interchanged and exchanged, so that the application range is wide.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a second embodiment of the present utility model.
Fig. 3 is a schematic view of the structure of the assembly head according to the present utility model.
Fig. 4 is a schematic cross-sectional view of the fitting head of the present utility model.
FIG. 5 is a schematic diagram of an assembled port structure according to the present utility model.
In the figure: tool head 1, assembly group 2, connecting bolt 3, assembly head 4, tool shank 5, bushing 6, assembly hole 7, pole main body 8.
Detailed Description
The utility model is further illustrated with reference to figures 1-5 and examples.
The disclosed connection structure is an improvement over the prior art in that it enables circumferential positioning of the assembly sleeve after connection with the tool shank.
The connecting structure of the tool head and the rod part comprises a tool head 1, an assembling sleeve 2 and a tool rod part 5, wherein the tool head 1 is assembled with the assembling sleeve 2, and the tool rod part 5 is assembled with the assembling sleeve 2 through connecting pieces such as connecting bolts 3. The assembly group 2 is internally provided with an assembly hole 7, the assembly hole 7 is a trapezoid hole with a large outside and a small inside, and the section of the assembly hole is of a polygonal structure. The tool shank 5 includes a shank body 8 and a fitting head 4, the fitting head 4 being a polygonal trapezoidal table structure that mates with the fitting cavity 7.
As a preferable technical scheme, the cross sections of the assembly hole 7 and the assembly head 4 are of hexagonal or octagonal polygonal structures, and the inner side wall of the assembly hole 7 and the outer side wall of the assembly head 4 are of smooth planar structures, or of smooth curved structures. The angle of taper of the fitting head and the fitting cavity, and the width and length of the side wall are all matched with each other.
A specific embodiment in which the cross section of the fitting hole and the fitting head is an octagonal structure will be described in detail.
Example 1
In this embodiment, the rod body 8 is a hollow rod body, typically a metal rod or a fiber rod, such a rod body 8 and the assembly head 4 are integrally formed, the front section of the rod body forms the assembly head 4 through stamping, in order to ensure the strength of such a hollow rod body, a section of solid lining core 6 is inserted into the front section of the rod body 8, and the lining core 6 is adhesively fixed with the rod body 8. The lining core 6 can also be made into a trapezoid column structure matched with the assembling head 4, and is directly glued with the assembling head 4.
Example 2
In this embodiment, the rod body 8 is a solid rod body, typically a wooden rod, and the rod body 8 and the assembly head 4 are in a split structure, and are fixed together by gluing. The assembly head 4 is a hollow sleeve body and is fixedly sleeved on the front section of the rod main body 8.
Preferably, the rod body 8 is a variable diameter rod body, comprising a conical rod body of a front section and a cylindrical rod body of a rear section. The assembly head 4 is preferably made of fiber materials and is fixedly sleeved outside the conical rod body at the front section.
After the assembly head 4 is inserted into the assembly hole 7, the assembly sleeve 2 and the assembly head 4 are fixedly connected together by at least two connecting bolts, and for the convenience of assembly, mounting holes can be arranged on the assembly sleeve 2 and the assembly head 4 in advance.
Claims (6)
1. The utility model provides a connection structure of instrument head and pole portion, includes instrument head, dress kit and instrument pole portion, and instrument head is in the same place with the dress kit, and instrument pole portion passes through connecting piece and dress kit, its characterized in that:
the assembly hole is internally provided with an assembly hole, and the assembly hole is a trapezoid hole with a large outside and a small inside; the section of the assembly hole is of a polygonal structure;
the tool shank includes a shank body and an assembly head; the assembly head is of a polygonal structure matched with the assembly hole.
2. The tool head and shank coupling structure of claim 1, wherein the cross-section of the mounting pocket and the mounting head are each a hexagonal or octagonal polygonal configuration.
3. The tool head and shank coupling structure of claim 1, wherein the shank body is a hollow shank body; the front section of the lever body is punched into the fitting head.
4. A tool head and shank connection according to claim 3, wherein the shank body front section is internally plugged with a solid core.
5. The tool head and shank coupling arrangement of claim 1, wherein the shank body is a solid shank body; the assembly head is a hollow cap body and is fixedly sleeved on the front section of the rod main body.
6. The tool head and shank coupling structure of claim 5, wherein the shank body is a tapered shank comprising a front tapered shank and a rear cylindrical shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941498.2U CN220719128U (en) | 2023-07-24 | 2023-07-24 | Connecting structure of tool head and rod part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941498.2U CN220719128U (en) | 2023-07-24 | 2023-07-24 | Connecting structure of tool head and rod part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220719128U true CN220719128U (en) | 2024-04-05 |
Family
ID=90489650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941498.2U Active CN220719128U (en) | 2023-07-24 | 2023-07-24 | Connecting structure of tool head and rod part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220719128U (en) |
-
2023
- 2023-07-24 CN CN202321941498.2U patent/CN220719128U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |