CN220279571U - Fixing structure and electric tool - Google Patents
Fixing structure and electric tool Download PDFInfo
- Publication number
- CN220279571U CN220279571U CN202321945099.3U CN202321945099U CN220279571U CN 220279571 U CN220279571 U CN 220279571U CN 202321945099 U CN202321945099 U CN 202321945099U CN 220279571 U CN220279571 U CN 220279571U
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- reciprocating
- assembly
- chuck
- fixing structure
- component
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- 125000006850 spacer group Chemical group 0.000 claims description 18
- 230000013011 mating Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of electric tools, and particularly relates to a fixing structure and an electric tool. The fixing structure comprises a reciprocating assembly and a fixing assembly, wherein the fixing assembly comprises a limiting assembly and a chuck, a containing cavity with a first opening end is defined in the chuck, part of the reciprocating assembly is located in the containing cavity and can displace relative to the chuck along the reciprocating direction of the reciprocating assembly, the limiting assembly is movably sleeved on the other part of the reciprocating assembly and is connected with the first opening end, and the limiting assembly can prop against the part of the reciprocating assembly in the reciprocating direction of the reciprocating assembly. Through the fixed knot in this technical scheme of use, spacing subassembly movable sleeve locates outside the reciprocal subassembly of another part and connects in first open end department, can offset the reciprocal subassembly of part, guarantees that the reciprocal subassembly of part can not move out and hold the chamber, and then prevents that the chuck from droing the reciprocating rod, has promoted the reliability of fixed knot construct in the operation in-process, has promoted the operating efficiency simultaneously.
Description
Technical Field
The utility model belongs to the technical field of electric tools, and particularly relates to a fixing structure and an electric tool.
Background
In the prior art, curve saws are mainly used for cutting metals and nonferrous metals. When the clamping head of the scroll saw existing in the market is assembled with a cutter, the clamping head is rotated to correspond to the reciprocating rod, then the cutter blade is inserted into the clamping head and the reciprocating rod, and then the clamping head is loosened, at the moment, the torsion spring can reset and clamp the cutter blade, but when the clamping head is rotated or the clamping head is rotated by hands, the rotation angle exceeds a certain angle, the clamping head can fall off, and the reliability and the operation efficiency of the scroll saw operation are reduced.
Disclosure of Invention
The utility model aims to at least solve the problem that the existing chuck can fall off the reciprocating rod when rotating. The aim is achieved by the following technical scheme:
a first aspect of the present utility model proposes a fixing structure comprising:
a reciprocating assembly;
the fixed component comprises a limiting component and a chuck, an accommodating cavity with a first opening end is defined in the chuck, part of the reciprocating component is located in the accommodating cavity and can move relative to the chuck along the reciprocating direction of the reciprocating component, the limiting component is movably sleeved on the other part of the reciprocating component and is connected to the first opening end, and the limiting component can offset with part of the reciprocating component in the reciprocating direction of the reciprocating component.
Through the fixed knot in this technical scheme of use constructs, adopt the integrated configuration of reciprocal subassembly and fixed subassembly, reciprocal subassembly wears to locate in the chuck, and the reciprocal subassembly of part is located holds the chamber, can follow the reciprocal direction displacement of reciprocal subassembly along relative chuck, and then realize the reciprocating motion of reciprocal subassembly, spacing subassembly movable sleeve locates outside the reciprocal subassembly of another part and connects in first open end department, can offset the reciprocal subassembly of part, guarantee that the reciprocal subassembly of part can not move out and hold the chamber, and then prevent that the chuck from droing the reciprocating lever, the reliability of fixed knot structure in the operation in-process has been promoted, and operating efficiency has been promoted simultaneously.
In addition, the fixing structure according to the present utility model may further have the following additional technical features:
in some embodiments of the present utility model, the first opening end is provided with a clamping groove, and the limiting component is arranged in the clamping groove and is in clamping fit with the clamping groove.
In some embodiments of the present utility model, the limiting component includes a spacer and a clamping member respectively disposed in the clamping groove, the limiting component can abut against the spacer in a reciprocating direction of the reciprocating component, and the clamping member is disposed on a side of the spacer away from a part of the reciprocating component and fixes the spacer in the clamping groove.
In some embodiments of the present utility model, a length of the first opening end along the first direction is greater than a maximum length of the accommodating cavity along the first direction and less than a length of the clamping groove along the first direction.
In some embodiments of the utility model, the length of the gasket in the first direction is greater than the maximum length of the accommodating cavity and less than the length of the clamping groove in the first direction.
In some embodiments of the utility model, the length of the clamping member in the first direction is greater than the length of the first open end in the first direction.
In some embodiments of the utility model, the receiving chamber has a second open end, the second open end being disposed opposite the first open end, and a portion of the end of the reciprocating assembly remote from the first open end being connectable to a cutter through the second open end.
In some embodiments of the present utility model, the reciprocating assembly includes a reciprocating rod and an elastic member, one end of the elastic member is connected to the reciprocating rod, the other end of the elastic member is connected to the chuck, the reciprocating rod is disposed through the first opening end, and one end of the reciprocating rod is located in the accommodating cavity and abuts against an inner wall surface of the chuck.
In some embodiments of the present utility model, the reciprocating lever includes a sliding rod portion, a mating portion, and a connecting portion, where the connecting portion and the sliding rod portion are respectively connected to opposite sides of the mating portion, the limiting component is slidably sleeved on the sliding rod portion and can abut against the mating portion in a reciprocating direction of the reciprocating component, the mating portion can be displaced along the reciprocating direction of the reciprocating component relative to the chuck, and the connecting portion abuts against an inner wall surface of the chuck, and an outer side of the connecting portion is connected to one end of the elastic component.
The second aspect of the present utility model provides an electric tool having the above-mentioned fixing structure.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 schematically shows a structural diagram of a first state of a fixing structure according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the stationary structure of FIG. 1 in the direction A-A;
FIG. 3 is an enlarged schematic view of portion C of FIG. 2;
fig. 4 schematically shows a structural diagram of a second state of the fixing structure according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a cross-sectional structure in the B-B direction of the fixed structure of FIG. 4;
FIG. 6 is an enlarged schematic view of portion D of FIG. 5;
the reference numerals in the drawings are as follows:
10. a reciprocating assembly; 111. a slide bar portion; 112. a mating portion; 113. a connection part; 12. an elastic member;
20. a fixing assembly; 211. a clamping piece; 212. a gasket; 22. a chuck; 221. a receiving chamber; 222. and a clamping groove.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
Fig. 1 schematically shows a structural diagram of a first state of a fixing structure according to an embodiment of the present utility model. Fig. 2 is a schematic sectional view of the fixing structure of fig. 1 in the A-A direction. As shown in fig. 1 and 2, the present utility model provides a fixing structure and a power tool. The fixing structure of the utility model comprises a reciprocating assembly 10 and a fixing assembly 20, wherein the fixing assembly 20 comprises a limiting assembly and a chuck 22, a containing cavity 221 with a first opening end is defined in the chuck 22, a part of the reciprocating assembly 10 is positioned in the containing cavity 221 and can move relative to the chuck 22 along the reciprocating direction of the reciprocating assembly 10, the limiting assembly is movably sleeved on another part of the reciprocating assembly 10 and is connected with the first opening end, and the limiting assembly can be propped against the part of the reciprocating assembly 10 in the reciprocating direction of the reciprocating assembly 10.
Through the fixed knot in this technical scheme of use, adopt the integrated configuration of reciprocal subassembly 10 and fixed subassembly 20, reciprocal subassembly 10 wears to locate in chuck 22, and the reciprocal subassembly 10 of part is located holds chamber 221, can follow the reciprocal direction displacement of reciprocal subassembly 10 relative chuck 22, and then realize the reciprocating motion of reciprocal subassembly 10, spacing subassembly movable sleeve locates outside the reciprocal subassembly 10 of another part and connects in first open end department, can offset the reciprocal subassembly 10 of part, guarantee that the reciprocal subassembly 10 of part can not move out holds chamber 221, and then prevent chuck 22 and drop the reciprocating lever, the reliability of fixed knot constructs in the operation in-process has been promoted simultaneously, operating efficiency has been promoted.
In some embodiments of the present utility model, as shown in fig. 3 and 6, a clamping groove 222 is provided at the first opening end, and the limiting component is provided in the clamping groove 222 and is in clamping fit with the clamping groove 222. In this embodiment, with the easy operation of spacing subassembly joint in joint groove 222, and the dismouting is convenient, can design different joint grooves 222 according to specific circumstances simultaneously along the length of first direction, and then realize different joint degree to this increases the joint force between spacing subassembly and the joint groove 222, has promoted reliability and steadiness ability.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the limiting assembly includes a spacer 212 and a clamping member 211 respectively disposed in the clamping groove 222, the limiting assembly can abut against the spacer 212 in the reciprocating direction of the reciprocating assembly 10, and the clamping member 211 is disposed on a side of the spacer 212 away from a part of the reciprocating assembly 10 and fixes the spacer 212 in the clamping groove 222. In the present embodiment, the spacer 212 is positioned on the side of the engaging piece 211 facing the partial engaging piece 211, and can be abutted against the partial reciprocating assembly 10. In addition, as shown in fig. 4 and 5, the clamping member 211 in this embodiment is a clamping spring, both the clamping spring and the gasket 212 are located in the clamping groove 222 and are overlapped, and the clamping spring can prevent the gasket 212 from moving along the reciprocating direction of the reciprocating assembly 10, so as to ensure the stability of the gasket 212 located in the clamping groove 222.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the length of the first open end in the first direction (which is the radial direction of the reciprocating lever) is greater than the maximum length of the receiving cavity 221 in the first direction and less than the length of the clamping groove 222 in the first direction. In this embodiment, the above arrangement can ensure that one side of the spacer 212 of the limiting assembly abuts against the chuck 22 along the reciprocating direction of the reciprocating assembly 10, and cooperates with the clamp spring structure, so that the spacer 212 can interfere with the movement of the spacer 212 along two sides of the reciprocating assembly 10, and further ensure that the spacer 212 has enough supporting force when the part of the reciprocating assembly 10 abuts against, so as to avoid the situation that the spacer 212 is punched out of the limiting groove and the accommodating cavity 221 when the part of the reciprocating assembly 10 abuts against, and further cause the chuck 22 to drop off the reciprocating assembly 10.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the length of the spacer 212 in the first direction is greater than the maximum length of the receiving chamber 221 and less than the length of the catching groove 222 in the first direction. In this embodiment, the above arrangement can ensure that the spacer 212 does not fall into the accommodating cavity 221, but is abutted against the chuck 22 along the reciprocating direction of the reciprocating assembly 10, so that the stability and reliability of the spacer 212 during operation are improved.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the length of the clamping member 211 along the first direction is greater than the length of the first open end along the first direction. In this embodiment, the above-mentioned setting can guarantee that the jump ring is located joint groove 222, and jump ring upper end offsets with the internal face of joint groove 222, and the jump ring lower extreme offsets with gasket 212, can carry out the complete spacing along the reciprocating direction of reciprocal subassembly 10 to gasket 212, has promoted the reliability.
In some embodiments of the present utility model, the receiving chamber 221 has a second open end, which is disposed opposite the first open end, through which an end of the part of the reciprocating assembly 10 remote from the first open end can be coupled to the cutter. In this embodiment, during the assembly process of the tool and the fixing structure, the first mounting groove at the second opening end of the chuck 22 corresponds to the second mounting groove of the reciprocating rod, and then the tool is inserted into the chuck 22 and the reciprocating rod respectively, at this time, the chuck 22 is released, and the chuck 22 rotates along its own axis due to the action of the torsion spring therein, so as to realize the operation of clamping and fixing the tool.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the reciprocating assembly 10 includes a reciprocating rod and an elastic member 12, one end of the elastic member 12 is connected to the reciprocating rod, the other end of the elastic member 12 is connected to the collet 22, the reciprocating rod is disposed through the first opening end, and one end of the reciprocating rod is disposed in the receiving cavity 221 and abuts against an inner wall surface of the collet 22. In this embodiment, the elastic member 12 is a torsion spring, the torsion spring is sleeved at one end of the reciprocating rod facing the second opening end, one end of the torsion spring is connected with the reciprocating rod, the other end of the torsion spring is matched with a matching groove on the inner wall surface of the chuck 22, the matching groove is arranged along the axis of the reciprocating rod, when the reciprocating assembly 10 enters the accommodating cavity 221, the torsion spring can move along the axis direction along the matching groove, the reciprocating rod and the chuck 22 are in threaded connection, the reciprocating rod can rotate when entering the accommodating cavity 221, meanwhile, the torsion spring can generate elastic force due to the fact that two ends of the torsion spring are fixed, when the subsequent cutter is assembled, the cutter can be fixed by using the elastic force of the torsion spring, and then the connection of the chuck 22, the cutter and the reciprocating rod is completed.
In some embodiments of the present utility model, as shown in fig. 3 and 6, the reciprocating lever includes a sliding rod portion 111, a mating portion 112, and a connecting portion 113, where the connecting portion 113 and the sliding rod portion 111 are respectively connected to opposite sides of the mating portion 112, the limiting component is slidably sleeved on the sliding rod portion 111 and can abut against the mating portion 112 in the reciprocating direction of the reciprocating component 10, the mating portion 112 can be displaced relative to the chuck 22 in the reciprocating direction of the reciprocating component 10, the connecting portion 113 abuts against an inner wall surface of the chuck 22, and an outer side thereof is connected to one end of the elastic component 12. In this embodiment, the sliding rod 111 movably penetrates through the limiting component, the engaging portion 112 is in threaded connection with the inner wall surface of the chuck 22, and the connecting portion 113 is used for engaging with a cutter.
Specifically, the fixing structure of the utility model can achieve the purpose of limiting the rotation angle of the chuck 22 by limiting the stroke of the chuck 22 or the reciprocating rod along the reciprocating direction or limiting the distance of the relative motion of the chuck 22 or the reciprocating rod, thereby preventing the chuck 22 from falling off and improving the reliability and the working efficiency of the curve saw operation.
The second aspect of the present utility model provides an electric tool having the above-mentioned fixing structure.
Through the use of the electric tool in the technical scheme, the electric tool is a jig saw, the jig saw adopts a combined structure of the reciprocating assembly 10 and the fixing assembly 20, the reciprocating assembly 10 penetrates through the chuck 22, part of the reciprocating assembly 10 is positioned in the accommodating cavity 221, and can move along the reciprocating direction of the reciprocating assembly 10 relative to the chuck 22, so that the reciprocating motion of the reciprocating assembly 10 is realized, the limiting assembly is movably sleeved outside the other part of the reciprocating assembly 10 and is connected to the first opening end, the part of the reciprocating assembly 10 can be propped against, the part of the reciprocating assembly 10 is ensured not to move out of the accommodating cavity 221, the chuck 22 is prevented from falling off a reciprocating rod, the reliability of the fixing structure in the operation process is improved, and the operation efficiency is improved.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A fixing structure applied to an electric tool, comprising:
a reciprocating assembly;
the fixed component comprises a limiting component and a chuck, an accommodating cavity with a first opening end is defined in the chuck, part of the reciprocating component is located in the accommodating cavity and can move relative to the chuck along the reciprocating direction of the reciprocating component, the limiting component is movably sleeved on the other part of the reciprocating component and is connected to the first opening end, and the limiting component can offset with part of the reciprocating component in the reciprocating direction of the reciprocating component.
2. The fixing structure according to claim 1, wherein the first opening end is provided with a clamping groove, and the limiting component is arranged in the clamping groove and is matched with the clamping groove in a clamping manner.
3. The fixing structure according to claim 2, wherein the limiting assembly comprises a gasket and a clamping member respectively arranged in the clamping groove, the limiting assembly can abut against the gasket in the reciprocating direction of the reciprocating assembly, and the clamping member is arranged on one side of the gasket away from part of the reciprocating assembly and fixes the gasket in the clamping groove.
4. The fixation structure of claim 2, wherein a length of the first open end in the first direction is greater than a maximum length of the receiving cavity in the first direction and less than a length of the clamping groove in the first direction.
5. A fixing structure according to claim 3, wherein the length of the spacer in the first direction is greater than the maximum length of the accommodating chamber and less than the length of the engaging groove in the first direction.
6. A fastening structure according to claim 3, wherein the length of the clip in the first direction is greater than the length of the first open end in the first direction.
7. The stationary structure of claim 1, wherein the receiving cavity has a second open end, the second open end being disposed opposite the first open end, and wherein a portion of the end of the reciprocating assembly remote from the first open end is connectable to a tool through the second open end.
8. The fixing structure according to claim 1, wherein the reciprocating assembly comprises a reciprocating rod and an elastic member, one end of the elastic member is connected with the reciprocating rod, the other end of the elastic member is connected with the chuck, the reciprocating rod penetrates through the first opening end, and one end of the reciprocating rod is located in the accommodating cavity and abuts against the inner wall surface of the chuck.
9. The fixing structure according to claim 8, wherein the reciprocating lever includes a slide bar portion, a mating portion, and a connecting portion, the connecting portion and the slide bar portion are respectively connected to opposite sides of the mating portion, the limiting member is slidably sleeved on the slide bar portion and can abut against the mating portion in a reciprocating direction of the reciprocating member, the mating portion can be displaced relative to the chuck in the reciprocating direction of the reciprocating member, the connecting portion abuts against an inner wall surface of the chuck, and an outer side of the connecting portion is connected to one end of the elastic member.
10. A power tool having the fixing structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945099.3U CN220279571U (en) | 2023-07-21 | 2023-07-21 | Fixing structure and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945099.3U CN220279571U (en) | 2023-07-21 | 2023-07-21 | Fixing structure and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220279571U true CN220279571U (en) | 2024-01-02 |
Family
ID=89343359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945099.3U Active CN220279571U (en) | 2023-07-21 | 2023-07-21 | Fixing structure and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220279571U (en) |
-
2023
- 2023-07-21 CN CN202321945099.3U patent/CN220279571U/en active Active
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