CN203792301U - Power tool and composite shell body thereof - Google Patents
Power tool and composite shell body thereof Download PDFInfo
- Publication number
- CN203792301U CN203792301U CN201420201317.7U CN201420201317U CN203792301U CN 203792301 U CN203792301 U CN 203792301U CN 201420201317 U CN201420201317 U CN 201420201317U CN 203792301 U CN203792301 U CN 203792301U
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- CN
- China
- Prior art keywords
- bradyseism
- unit
- combined housing
- surface layer
- chamber
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- Withdrawn - After Issue
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Abstract
The utility model discloses a power tool and a composite shell body thereof, wherein the composite shell body comprises an inner liner body, a surface body attached to the inner liner body and at least a cushioning area; the cushioning area is provided with a plurality of cushioning structure units and a cushioning structure unit comprises a unit channel that is formed on inner liner body and penetrates the self-inner liner body, and a unit channel that is formed on the surface body and closes one end of the channel; the power tool in the utility model comprises an outer shell and an internal assembly; the outer shell comprises the composite shell body; the surface body is located at an outer side of the power tool; and the outer shell comprises a contact portion for holding or/ and for operating inside. According to the composite shell body in the utility model, a plurality of cushioning structure units are formed by combining the inner liner and the surface body; the unit channel and the unit groove are used respectively to weaken the spread of vibration in the inner liner body and the surface body, so the fatigue level of a user can be reduced by using the power tool of the composite shell body in the utility model and the operation experience of a user can be improved.
Description
Technical field
The utility model relates to a kind of instrument and shell thereof, is specifically related to a kind of power tool and combined housing thereof.
Background technology
In power tool, tend to produce vibrations due to the operation of internal motivation parts and drive disk assembly, this vibrations tend to affect user's operating experience, feel while especially affecting user's gripping, when working for a long time, vibrations easily make user feel tired frequently, because it is overcoming the harmful effect that vibrations bring in the process of work always.This situation is particularly evident on the power tools such as sander, angle grinding machine, because such instrument need to act on working accessory some target area, but the operational mode of its mechanism always makes body produce the vibrations that are difficult to avoid.
In order to overcome the above problems, industry tends to, at the handle position of power tool shell, flexible material is set, the characteristic soft by this kind of material itself realizes damping, if thin but flexible material thickness is crossed, to be difficult to realize ideal damping effect, blocked uply makes user be difficult to accurately control power tool and easily come off.
Summary of the invention
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of alleviation to shake the combined housing of the impact that user's operation is caused and the power tool of applying this combined housing.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
Combined housing comprises: inner lining body, be attached to the surface layer body of inner lining body, combined housing comprises at least one bradyseism district, bradyseism district is provided with a plurality of bradyseism construction units, and the bradyseism construction unit of comprises: formation from inner lining body and by the unit channel of its perforation, a formation from surface layer body and by the unit groove of one end sealing of passage.
Further, bradyseism construction unit is uniformly distributed in bradyseism district.
Further, in a bradyseism construction unit, the degree of depth of unit groove is less than the length of unit channel.
Further, the bradyseism chamber that bradyseism construction unit middle slot and unit channel form is dwindled to the direction of surface layer body gradually by inner lining body.
Further, the maximum ga(u)ge place of surface layer body is positioned at bradyseism district.
Further, combined housing also comprises: a plurality of syndetons, and syndeton forms and after across part inner lining body, is at least connected to two different bradyseism construction units from surface layer body and its; Syndeton and inner lining body are close contacts.
Further, the end of syndeton is all formed at the edge of unit groove.
Further, a syndeton has two ends.
The chamber wall in the bradyseism chamber that further, unit channel and unit groove form is smooth-going smooth.
Further, the conduit wall of unit channel is provided with for syndeton and embeds groove wherein.
Further, axially symmetric structure centered by the bradyseism chamber that unit channel and unit groove form, its chamber wall is closed figures and comprising a plurality of straight lines by the planar graph that plane intercepted perpendicular to central shaft.
Further, in same bradyseism district, in a bradyseism construction unit, the central shaft in bradyseism chamber all equates with the distance of the central shaft in bradyseism chamber in adjacent bradyseism construction unit.
Further, the bradyseism chamber that unit channel and unit groove form is comprised six isometric straight lines by the planar graph that plane intercepted perpendicular to its central shaft.
A power tool, comprising: shell and intraware, and shell comprises foregoing combined housing, surface layer body is positioned at the outside of power tool.
Further, shell comprises: for gripping or/and the contact site operating; Shell comprises bradyseism district and is at least arranged at contact site.
Further, power tool is a kind of in sander, angle grinding machine, electric circular saw, electric drill, electric screwdriver, grass-mowing machine, hay mover, hair-dryer, pruner, chain saw.
Combined housing of the present utility model forms a plurality of bradyseism construction units by the combination by inner lining body and surface layer body; Unit channel and unit groove can weaken respectively the propagation of vibrations in inner lining body and surface layer body, the existence that unit channel and unit groove form bradyseism chamber has reduced the contact interface between inner lining body and surface layer body, has weakened the propagation of vibrations between inner lining body and surface layer body; So, even if only having thinner thickness in the situation that adopting soft material, the surface layer body in bradyseism district still can obtain good bradyseism effect, therefore adopt the power tool of the utility model combined housing can reduce user's fatigue strength, improve user's operating experience.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of power tool of the present utility model;
Fig. 2 is the blast structural representation of middle combined housing embodiment illustrated in fig. 1;
Fig. 3 is that combined housing shown in Fig. 2 is from the blast structural representation of another angle;
Fig. 4 is the sectional structure schematic diagram of shell shown in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
Shown in Fig. 4, it is example that power tool of the present utility model be take a sander 100, and this sander 100 comprises: the sanding base plate 20 of shell 10, intraware (not shown) and motion under intraware drives.Certainly, power tool of the present utility model can also be: a kind of in angle grinding machine, electric circular saw, electric drill, electric screwdriver, grass-mowing machine, hay mover, hair-dryer, pruner, chain saw.Above power tool is the common tool equipment of industry, at this, no longer their concrete structure is introduced.
Particularly, shell 10 has comprised combined housing 11 of the present utility model.This combined housing 11 comprises: inner lining body 12 and surface layer body 13.
Wherein, surface layer body 13 is attached to inner lining body 12; Generally speaking, inner lining body 12 can select intensity and the higher material of hardness to make, and it is as the part of mainly bearing load and being connected with all the other housings in combined housing 11; The covering that 13 pairs of inner lining bodies of surface layer body 12 form to a certain degree, it is mainly as the part contacting with user's hand, and surface layer body 13 can select the comparatively soft material of relative inner lining body 12 to make.With regard to processing technology, can first moulding inner lining body 12 and then inner lining body 12 on injection moulding surface layer body 13.
In order to realize bradyseism effect, combined housing 11 comprises at least one bradyseism district (not identifying in figure), bradyseism district is provided with 14, one bradyseism construction units 14 of a plurality of bradyseism construction units and comprises: formation from inner lining body 12 and by the unit channel of its perforation 141, a formation from surface layer body 13 and by the unit groove 142 of one end sealing of passage.
In other words, inner lining body 12 is provided with a plurality of unit channels 141, and the unit groove 142 being formed by surface layer body 13 in one end of this unit channel 141 seals this unit channel 141, make them form the chamber of an end opening, the i.e. pointed bradyseism chamber 143 of the application.
It should be noted that, when combined housing 11 of the present utility model is during as shell, the major part of surface layer body 13 is positioned at outside, the inner side that the open side in bradyseism chamber 143 is shell in other words.
As a kind of preferred version, the 14 bradyseism of bradyseism construction unit is uniformly distributed in district, and the object of design is to make the even structure of inner lining body 12 like this, avoids the problem that occurs that stress is concentrated.
As a kind of preferred version, the bradyseism chamber 143 that bradyseism construction unit 14 middle slots and unit channel 141 form is dwindled to the direction of surface layer body 13 gradually by inner lining body 12, the thickness of surface layer body 13 at unit groove 142 places is more than or equal to the degree of depth of this place's unit groove 142, and the maximum ga(u)ge place of surface layer body 13 is positioned at bradyseism district; Such effect is, reduce the size that unit groove 142 occupies in surface layer body 13 major parts, reduce fluting to forming the part globality impact contacting with user's hand in surface layer body 13, make the place impact that more impression brings less than fluting of close hand contact of surface layer body 13.
As the effective bradyseism design of another kind, combined housing 11 also comprises: a plurality of syndetons 15, syndeton 15 forms and after across part inner lining body 12, is at least connected to two different bradyseism construction units 14 from surface layer body 13 and its.
It should be noted that, here the syndeton 15 of indication refers to that the unit channel 141 that also passes through being formed by surface layer body 13 passes inner lining body 12, it has the end in two different bradyseism construction units 14 respectively at least, its role is to surface layer body 13 " bondage " on inner lining body 12, with regard to actual, syndeton 15 is disperseed vibrations, and this dispersion comprises by the dispersion of 14 of bradyseism construction units and the dispersion to surface layer body 13 by inner lining body 12.Wherein, when the vibrations at a certain or some bradyseism construction unit 14 place are comparatively strong, because syndeton 15 connects different bradyseism construction units 14 and contacts with inner lining body 12, so two bradyseism construction units 14 that are connected structure 15 connections can be realized transmission and the dispersion of vibrations, it is because syndeton 15 forms this transmission by surface layer body 13 and divides and spread the intensity that decay shakes significantly; When inner lining body 12 vibrations, inner lining body 12 transmits vibrations to surface layer body 13 by the end of a plurality of syndetons 15, this vibrations transmission is different from inner lining body 12 and the transmission of surface layer body 13 in the interface fitting tightly, thereby the part that this transmission is directly contacted with inner lining body 12 by syndeton 15 is directly delivered to surface layer body 13 in discrete its end of transmission, therefore this transmission also has suitable bradyseism effect.
In addition, syndeton 15 is close contacts with inner lining body 12, in fact, due to Shooting Technique, the various piece of surface layer body 13 all with inner lining body 12 close contacts.
As a kind of preferred version, the end of syndeton 15 is all formed at the edge of unit groove 142, and the chamber wall in the bradyseism chamber 143 that unit channel 141 and unit groove 142 form is smooth-going smooth; Such benefit is to guarantee the integrality of unit groove 142, is convenient to machine-shaping.In order to make syndeton 15, do not destroy the smooth structure in bradyseism chamber 143, the conduit wall of described unit channel 141 is provided with the groove 141a embedding wherein for described syndeton 15, and such design also can make syndeton 15 obtain spacing and make it when machine-shaping, be convenient to processing.
As a kind of preferred version, axially symmetric structure centered by the bradyseism chamber 143 that unit channel 141 and unit groove 142 forms, its chamber wall is closed figures and comprising a plurality of straight lines by the planar graph that plane intercepted perpendicular to central shaft.In other words, if 143Nei space, bradyseism chamber as a stereochemical structure, this stereochemical structure have a central shaft and its relatively this central shaft form the centrosymmetric structure about this axle, and this stereochemical structure has a plurality of planes.As further preferred version, in same bradyseism district, in a bradyseism construction unit 14, the central shaft in bradyseism chamber 143 all equates with the distance of the central shaft in bradyseism chamber 143 in adjacent bradyseism construction unit 14.In other words, for Yi Ge bradyseism district, all bradyseism construction units 14 are equally distributed.Design can guarantee processing technology and corresponding structural strength like this.
As further preferred version, the bradyseism chamber 143 that unit channel 141 and unit groove 142 form is comprised six isometric straight lines by the planar graph that plane intercepted perpendicular to its central shaft.As shown in Figures 1 to 4, by such design, bradyseism construction unit 14 formations in bradyseism district are similar to structure that " honeycomb " is the same, so, first under the same bradyseism district gross area, can obtain the maximum area of maximum unit channel 141, make to shake barrier effect the best; Secondly, design makes the conduit wall designs simplification of unit channel 141 be convenient to arrange syndeton 15 like this.
More than show and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (16)
1. a combined housing, comprise: inner lining body, be attached to the surface layer body of described inner lining body, it is characterized in that, described combined housing comprises at least one bradyseism district, described bradyseism district is provided with a plurality of bradyseism construction units, bradyseism construction unit described in one comprises: formation from described inner lining body and by the unit channel of its perforation, a formation from described surface layer body and by the unit groove of one end sealing of described passage, groove described in described bradyseism construction unit and unit channel composition bradyseism chamber.
2. combined housing according to claim 1, is characterized in that, described bradyseism construction unit is uniformly distributed in described bradyseism district.
3. combined housing according to claim 1, is characterized in that, described in a described bradyseism construction unit, the degree of depth of unit groove is less than the length of described unit channel.
4. combined housing according to claim 1, is characterized in that, described bradyseism chamber is dwindled to the direction of described surface layer body gradually by described inner lining body.
5. combined housing according to claim 1, is characterized in that, the maximum ga(u)ge place of described surface layer body is positioned at described bradyseism district.
6. combined housing according to claim 1, it is characterized in that, described combined housing also comprises: a plurality of syndetons, and described syndeton forms and after the described inner lining body across part, is at least connected to two described bradyseism construction units of difference from described surface layer body and its; Described syndeton and described inner lining body are close contacts.
7. combined housing according to claim 6, is characterized in that, the end of described syndeton is all formed at the edge of described unit groove.
8. combined housing according to claim 7, is characterized in that, a described syndeton has two ends.
9. according to the combined housing described in claim 1 to 8 any one, it is characterized in that, the chamber wall in the bradyseism chamber that described unit channel and unit groove form is smooth-going smooth.
10. combined housing according to claim 9, is characterized in that, the conduit wall of described unit channel is provided with for described syndeton and embeds groove wherein.
11. combined housings according to claim 10, it is characterized in that, axially symmetric structure centered by the bradyseism chamber that described unit channel and unit groove form, its chamber wall is closed figures and comprising a plurality of straight lines by the planar graph that plane intercepted perpendicular to central shaft.
12. combined housings according to claim 11, is characterized in that, in same described bradyseism district, in a described bradyseism construction unit, the central shaft in bradyseism chamber all equates with the distance of the central shaft in bradyseism chamber in adjacent described bradyseism construction unit.
13. combined housings according to claim 11, is characterized in that, the bradyseism chamber that described unit channel and unit groove form is comprised six isometric straight lines by the planar graph that plane intercepted perpendicular to its central shaft.
14. 1 kinds of power tools, comprising: shell and intraware, it is characterized in that, and described shell comprises the combined housing described in claim 1 to 13 any one, described surface layer body is positioned at the outside of described power tool.
15. power tools according to claim 14, is characterized in that, described shell comprises: for gripping or/and the contact site operating; Described shell comprises bradyseism district and is at least arranged at described contact site.
16. according to the power tool described in claims 14 or 15, it is characterized in that, described power tool is a kind of in sander, angle grinding machine, electric circular saw, electric drill, electric screwdriver, grass-mowing machine, hay mover, hair-dryer, pruner, chain saw.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201317.7U CN203792301U (en) | 2014-04-23 | 2014-04-23 | Power tool and composite shell body thereof |
| US14/694,193 US10093013B2 (en) | 2014-04-23 | 2015-04-23 | Power tool and combined housing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201317.7U CN203792301U (en) | 2014-04-23 | 2014-04-23 | Power tool and composite shell body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792301U true CN203792301U (en) | 2014-08-27 |
Family
ID=51374566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420201317.7U Withdrawn - After Issue CN203792301U (en) | 2014-04-23 | 2014-04-23 | Power tool and composite shell body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082084A (en) * | 2014-04-23 | 2015-11-25 | 南京德朔实业有限公司 | Power tool and composite shell thereof |
-
2014
- 2014-04-23 CN CN201420201317.7U patent/CN203792301U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082084A (en) * | 2014-04-23 | 2015-11-25 | 南京德朔实业有限公司 | Power tool and composite shell thereof |
| CN105082084B (en) * | 2014-04-23 | 2017-06-30 | 南京德朔实业有限公司 | Power tool and composite shell thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20170630 |
|
| AV01 | Patent right actively abandoned |