CN105773533A - Fixed type structure of rotor and hammering set shell base of pneumatic tool - Google Patents
Fixed type structure of rotor and hammering set shell base of pneumatic tool Download PDFInfo
- Publication number
- CN105773533A CN105773533A CN201410814435.XA CN201410814435A CN105773533A CN 105773533 A CN105773533 A CN 105773533A CN 201410814435 A CN201410814435 A CN 201410814435A CN 105773533 A CN105773533 A CN 105773533A
- Authority
- CN
- China
- Prior art keywords
- rotor
- shell block
- hammering
- group shell
- hammering group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Portable Nailing Machines And Staplers (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses a fixed type structure of a rotor and a hammering set shell base of a pneumatic tool. The fixed type structure comprises a front-mounted bearing; the hammering set shell base and the rotor are mutually and fixedly connected into a whole through a diameter-shrinkage neck column; the front-mounted bearing is assembled between the front end of the hammering set shell base and an end cover of the pneumatic tool; an annular interval space is reserved between the front end of the rotor and the back end of the hammering set shell base, and the width of the annular interval space allows the front end wall of an air cylinder to be assembled in and matched; thereby, the technical features that the rotor and the hammering set shell base are in a fixed form, and the bearing is changed to be in a front-mounted form are adopted, the front-and-back axial length size of the pneumatic tool can be decreased, and a user can hold more easily with less force; in addition, the bearing support distance is wider, so that the stable supporting effect is achieved, and vibration and noise generated during running of a hammering mechanism are greatly reduced; many structural bodies of the pneumatic tool can still use an existing framework, die sinking does not need to be carried out again, the manufacturing cost can be greatly saved, and the better industrial economic benefits are met.
Description
Technical field
The present invention relates to a kind of pneumatic tool structure；Particularly relating to a kind of air tool rotor with hammering group shell block is fixed innovation structure form.
Background technology
The present invention is intended to for the pneumatic tool structure inquired into, and refers to that its Pneumatic rotor front end group set and interlocks the framework form having a hammering group；The pneumatic tool of this kind of framework form, because setting up the relation of this hammering group, the front and back more general pneumatic tool of axial length volume making its mode of appearance has more about about one times, thus, cause it to use upper relative existence to hold the problem points taking effort heavy many, and this problem points is also the technical task that relevant industry is intended to effort improvement all the time.
As shown in Figure 1, the set dead eye 13 of front end, existing air tool Pneumatic rotor 10 axle center 11 usual pivot traverse one midfeather edge 12 central authorities, protrude out insert group shell block end wall 15 central authorities set in hammering group 14 further along by dynamic hole 16, in this existing structure form, force intensity enough it is subject to because industry must consider that this Pneumatic rotor 10 is prerequisite when operating with hammering group 14, therefore this midfeather edge 12 and shell block end wall 15 central authorities must be made to the form of wall thickness multiplication, and this part form, it is clearly one of factor that before and after the pneumatic tool causing existing tool hammering function, axial length volume is excessive, and it is limited by aforementioned stress strength factor, presently relevant industry not yet can find out solution.
Also there is another problem points in aforementioned existing pneumatic tool structure form, that is the spring bearing 17 shared when constituting this hammering group 14 with the running of both Pneumatic rotors 10, form 10 between this hammering group 14 and Pneumatic rotor, so constitutes the firm supportive of hammering group 14 front end shortcoming and easily vibrates excessive problem points；If the front end of this hammering group 14 is intended to stable running, must still further arrange a bearing can reach, but the problem that so will cause increasing cost.
Although there also have industry to develop at present to be a kind of by the hammering group mechanism existing pneumatic tool structure form of another kind that is whole and that be located in Pneumatic rotor structure, this kind of existing structure form is in implementing middle discovery, owing to its configuration more traditional change amplitude is excessive, numerous components all cannot continue to use the pneumatic tool that tradition is existing, must die sinking manufacture again, in turn result in industrial circle cost burden excessive and be not inconsistent the problem points of preferably industrial economy benefit.
Summary of the invention
A kind of air tool rotor of offer and hammering group shell block stationary structure are provided.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of air tool rotor and hammering group shell block stationary structure, described rotor and hammering group shell block are located in inner space set by air tool shell and end cap, its rotor rear end has an axle portion pivot group rearmounted bearing set by the aft bulkhead of a cylinder in shell, hammering group shell block is then used and is installed with spacing for beating mechanism, and this inner space one place be provided with a preposition bearing.
This invention address that the technical characterstic of problem, essentially consist in the integral type framework form for being connected with each other fixing by a undergauge neck post between this hammering group shell block and rotor；And wherein, this preposition bearing group is located between hammering group shell block front end and pneumatic tool end cap；Again wherein, being installed with a ring-like spacer space between rotor front end and hammering group shell block rear end, the width in this ring-like spacer space is used the front bulkhead group for cylinder and is entered to coordinate.
The main efficacy results of the present invention and advantage, can by between this rotor and hammering group shell block being fixed form and the technical characteristic that bearing is changed into preposition form, the rear end wall thickness of hammering group shell block and the front bulkhead wall thickness of cylinder all can significantly be reduced and namely reach high intensity requirement, can relatively reduce length volume axial before and after pneumatic tool, make user hold by more easily laborsaving；And the overall structure that this rotor is formed with hammering group shell block, it is possible to by the forward and backward support interval putting the more existing wide expansion multiplication of bearing formation that front and back configure, and then reach the firm effect supported, noise and vibration when beating organisation operations can be greatly reduced；The present invention implements again, and air tool many structures still can continue to use existing framework without die sinking again, and manufacturing cost can be greatly saved and meet preferably industrial economy benefit.
Accompanying drawing explanation
Fig. 1 is the assembled sectional view of an existing pneumatic tool structure.
Fig. 2 is the axonometric chart of present configuration preferred embodiment.
Fig. 3 is the axonometric chart of not yet stationary state between the rotor of the present invention and hammering group shell block.
Fig. 4 is the assembled sectional view of present configuration preferred embodiment.
Fig. 5 is the embodiment figure that cylinder front bulkhead is loop shaped form of the present invention.
Fig. 6 is column another embodiment figure with engagement groove solid form of the present invention.
Fig. 7 is the embodiment figure between the undergauge neck post of the present invention, hammering group shell block rear end, rotor front end three for same structure body by integral forming.
Detailed description of the invention
As shown in Figure 2,3, 4, the preferred embodiment of the air tool rotor of the present invention and hammering group shell block stationary structure, only these embodiments are intended for purposes of discussion, not by the restriction of this structure in patent application；Described rotor 20 and hammering group shell block 30 are located in inner space set by the shell 40 of a pneumatic tool A (as shown in Figure 4) and end cap 50, its rotor 20 rear end has an axle portion 21 pivot group rearmounted bearing 60 set by the aft bulkhead 42 of a cylinder 41 in shell 40, this hammering group shell block 30 is then used and is installed with spacing for a hammering mechanism 70, and this inner space one place be provided with a preposition bearing 80；It it is the integral type framework form being connected with each other fixing by a undergauge neck post 301 between hammering group shell block 30 and rotor 20；And wherein, this preposition bearing 80 is mounted between hammering group shell block 30 front end and the end cap 50 of pneumatic tool A；Again wherein, between rotor 20 front end and hammering group shell block 30 rear end, be installed with a ring-like spacer space, the width in this ring-like spacer space (as Fig. 4 W the person of sign) use the front bulkhead 43 groups for cylinder 41 and enter to coordinate.
Technical characteristic is formed by said structure, constitute between this rotor 20 and hammering group shell block 30 for combined fixed formula form, and the overall structure that this rotor 20 is formed with hammering group shell block 30, it is possible to the preposition bearing 80 that configured by front and back, rearmounted bearing 60 formed wide expand support interval (as Fig. 4 L1 indicate) form；Therefore the present invention is compared to existing structure, the rear end wall thickness of hammering group shell block 30 and front bulkhead 43 wall thickness of cylinder 41 all can significantly reduce can reach high intensity requirement, can relatively reduce length volume (the L2 institute marked position of note: Fig. 4 is the length of the present invention can reduce amplitude) axial before and after pneumatic tool, make user hold by more easily laborsaving, and integrated member materials cost also can reduce.
As shown in Figure 3, wherein this hammering group shell block 30 rear end can protrude out the column 31 in undergauge form, rotor 20 front end then coordinates recessed formation one engagement groove 22, so that this column 31 be combined with each other fixing with engagement groove 22, make the embodiment of mutual sleeve combined fixed between hammering group shell block 30 and rotor 20；Again wherein, between this column 31 and engagement groove 22 can be the tight fit sleeve combined fixed form of non-circular section.Again in this example, between this column 31 and engagement groove 22, also can stick together its firm position of reinforcement by colloid further.
As shown in Figure 6, wherein this column 31B and engagement groove 22B the pin apertured 91 of phase para-position can be provided with, to reach directed spacing state by latch 92 insert group, this column 31B and engagement groove 22B can be provided with bolt perforating 93 and the screw 94 of phase para-position again, screws togather and reaches locking positioning states wearing group by bolt 95.Can set between wherein said pin apertured 91 and screw 94 in cross to spread configuration form preferred embodiment, but be not limited to this.Column 31B in this example and engagement groove 22B sets mode position owing to having passed through screw lock and pin again, therefore this column 31B and engagement groove 22B can adopt circular cross section aspect phase sleeve to coordinate, and this is different from embodiment illustrated in fig. 3.
As it is shown in fig. 7, wherein this undergauge neck post 301, hammering group shell block 30 rear end, the embodiment that also can exist without combination, junction for same structure body by integral forming between rotor 20 front end three.
As shown in Figure 2,3, wherein the front bulkhead 43 of this cylinder 41 (as shown in Figure 4) relatively and is consisted of by institute 2 half gusset plates 431,432, this 2 half gusset plate 431,432 phase keeping to the side is provided with the semi-circular hole 433,434 of symmetrical shape can merge formation one circular perforations, the column 31 protruded out for hammering group shell block 30 rear end passes, this 2 half gusset plate 431,432 must under rotor 20 and hammering group shell block 30 are in combined fixed state (namely shown in Fig. 3), from relatively lateral group enter between this rotor 20 front end and hammering group shell block rear end set by ring-like spacer space；Again between 2 half gusset plates 431,432 and joined by the group of an align member reach location by state；Wherein said align member 90 includes at least two para-position latch 91 and bolt 92.
Wherein, this 2 half gusset plate 431,432 flow-guiding channel 435,436 can be provided with.The effect of this described flow-guiding channel 435,436 is used guiding air pressure and is supported the use of rotor 20 blade.
As shown in Figure 5, wherein the front bulkhead 43B of this cylinder 41 (as shown in Figure 4) also can be a loop shaped form, it is centrally formed column 31 traverse that a perforating 437 protrudes out for hammering group shell block 30 rear end, and the front bulkhead 43B of this loop shaped form must first set group protrudes out in hammering group shell block 30 rear end before rotor 20 with hammering group shell block 30 not yet combined fixed column 31.(note: this example form is not suitable for adopting the form framework that undergauge neck post 301 shown in Fig. 7, hammering group shell block 30 rear end, rotor 20 front end three are same structure body by integral forming, because of cannot group enter)
Again wherein, the more specifically position of cylinder 41 aft bulkhead 42 is located at by described rearmounted bearing 60, can be located at the form (as shown in Figure 4) outside cylinder 41 aft bulkhead 42, also can be located at the form (as shown in Figure 7) inside cylinder 41 aft bulkhead 42.
Advantages of the present invention:
The air tool rotor of the present invention and hammering group shell block stationary structure mainly through described hammering group shell block rear end protrude out column with rotor front end set by engagement groove interfix, make and between hammering group shell block and rotor, be integrally forming formula framework form, and make preposition bearing group innovation unique texture form and the technical characteristic such as be located between hammering group shell block front end and pneumatic tool end cap, the present invention is made to compare [background technology] carried existing structure, owing to being fixed form between this rotor and hammering group shell block and bearing changed into preposition form, therefore the front bulkhead wall thickness of the rear end wall thickness of hammering group shell block and cylinder all can significantly reduce and can reach high intensity requirement, in order to can relatively reduce length volume axial before and after pneumatic tool, user is made to hold by more easily laborsaving；And the overall structure that this rotor is formed with hammering group shell block, it is possible to by the forward and backward support interval putting the more existing wide expansion multiplication of bearing formation that front and back configure, and then reach the firm effect supported, noise and vibration when beating organisation operations can be greatly reduced.
Again for manufacture face, the present invention implements, and air tool structure of being permitted still can continue to use existing framework, such as pneumatic tool shell, cylinder, hammering mechanism etc., therefore most component is without die sinking again, manufacturing cost meets preferably industrial economy benefit from can be greatly saved.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (9)
1. an air tool rotor and hammering group shell block stationary structure, this rotor and hammering group shell block are located in inner space set by an air tool shell and end cap, its rotor rear end has an axle portion pivot group rearmounted bearing set by the aft bulkhead of a cylinder in shell, this hammering group shell block is then used and is installed with spacing for a hammering mechanism, and this inner space one place be provided with a preposition bearing；It is characterized in that including:
It it is the integral type framework form being connected with each other fixing by a undergauge neck post between this hammering group shell block and rotor；
And wherein, this preposition bearing group is located between hammering group shell block front end and air tool end cap；
Again wherein, being installed with a ring-like spacer space between rotor front end and hammering group shell block rear end, the width in this ring-like spacer space is used the front bulkhead group for cylinder and is entered to coordinate；
Thereby, constituting between this rotor and hammering group shell block is combined fixed formula form, and the overall structure that this rotor is formed with hammering group shell block, it is possible to the forward and backward bearing of putting configured by front and back forms wide expansion support interval form.
2. air tool rotor as claimed in claim 1 and hammering group shell block combined fixed formula structure, it is characterized in that, described hammering group shell block rear end protrudes out the column in undergauge form from undergauge neck post, rotor front end then coordinates recessed formation one engagement groove, so that the embodiment of this column and the mutual sleeve combined fixed of engagement groove.
3. air tool rotor as claimed in claim 2 and hammering group shell block combined fixed formula structure, it is characterised in that be the tight fit sleeve combined fixed form of non-circular section between described column and engagement groove.
4. air tool rotor as claimed in claim 2 and hammering group shell block combined fixed formula structure, it is characterized in that, described column and engagement groove the pin apertured being provided with phase para-position, to reach directed spacing state by latch insert group, this column and engagement groove the bolt perforating and the screw that are provided with phase para-position again, screws togather and reaches locking positioning states wearing group by bolt.
5. air tool rotor as claimed in claim 1 and hammering group shell block combined fixed formula structure, it is characterized in that, the embodiment existed without combination, junction for same structure body by integral forming between described undergauge neck post, hammering group shell block rear end, rotor front end three.
6. the air tool rotor as described in claim 2 or 5 and hammering group shell block stationary structure, it is characterized in that, the front bulkhead of described cylinder relatively and is consisted of by institute 2 half gusset plates, this 2 half gusset plate phase keeping to the side is provided with the semi-circular hole of symmetrical shape can merge formation one circular perforations, for the column traverse that hammering group shell block rear end protrudes out, this 2 half gusset plate must be under combined fixed state in rotor and hammering group shell block, from relatively lateral group enter between this rotor front end and hammering group shell block rear end set by ring-like spacer space；Again between 2 half gusset plates and joined by the group of an align member reach location by state.
7. air tool rotor as claimed in claim 6 and hammering group shell block stationary structure, it is characterised in that described align member includes at least two para-position latch and bolt.
8. air tool rotor as claimed in claim 7 and hammering group shell block stationary structure, it is characterised in that described 2 half gusset plates are also provided with flow-guiding channel.
9. air tool rotor as claimed in claim 2 and hammering group shell block stationary structure, it is characterized in that, the front bulkhead of described cylinder is a loop shaped form, it is centrally formed the column traverse that a perforating protrudes out for hammering group shell block rear end, and the front bulkhead of this loop shaped form must first set group protrudes out in hammering group shell block rear end before rotor and hammering group shell block not yet combined fixed column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814435.XA CN105773533A (en) | 2014-12-24 | 2014-12-24 | Fixed type structure of rotor and hammering set shell base of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814435.XA CN105773533A (en) | 2014-12-24 | 2014-12-24 | Fixed type structure of rotor and hammering set shell base of pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105773533A true CN105773533A (en) | 2016-07-20 |
Family
ID=56378116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410814435.XA Pending CN105773533A (en) | 2014-12-24 | 2014-12-24 | Fixed type structure of rotor and hammering set shell base of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105773533A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377769A (en) * | 1992-12-10 | 1995-01-03 | Aichi Toyota Jidosha Kabushikikaisha | Impact wrench having an improved air regulator |
| JPH0970765A (en) * | 1995-09-07 | 1997-03-18 | Kyoei Seiko:Kk | Rotating drive device |
| US5622230A (en) * | 1995-06-15 | 1997-04-22 | Chicago Pneumatic Tool Company | Rotary impact wrench clutch improvement |
| US5992539A (en) * | 1999-03-16 | 1999-11-30 | Lin; Chen-Yang | Pneumatically driven power tool |
| CN203092499U (en) * | 2013-02-07 | 2013-07-31 | 海峰机械工业股份有限公司 | Hammering block and hammering set comprising same |
| CN104175269A (en) * | 2013-05-27 | 2014-12-03 | 陈秀如 | Pneumatic tool motor with built-in beating mechanism |
-
2014
- 2014-12-24 CN CN201410814435.XA patent/CN105773533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377769A (en) * | 1992-12-10 | 1995-01-03 | Aichi Toyota Jidosha Kabushikikaisha | Impact wrench having an improved air regulator |
| US5622230A (en) * | 1995-06-15 | 1997-04-22 | Chicago Pneumatic Tool Company | Rotary impact wrench clutch improvement |
| JPH0970765A (en) * | 1995-09-07 | 1997-03-18 | Kyoei Seiko:Kk | Rotating drive device |
| US5992539A (en) * | 1999-03-16 | 1999-11-30 | Lin; Chen-Yang | Pneumatically driven power tool |
| CN203092499U (en) * | 2013-02-07 | 2013-07-31 | 海峰机械工业股份有限公司 | Hammering block and hammering set comprising same |
| CN104175269A (en) * | 2013-05-27 | 2014-12-03 | 陈秀如 | Pneumatic tool motor with built-in beating mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USD910503S1 (en) | Vehicle grille | |
| USD836060S1 (en) | Center console for an automobile | |
| USD870645S1 (en) | Vehicle backseat mirror | |
| USD842069S1 (en) | Camping multi-tool | |
| USD899971S1 (en) | Passenger car | |
| USD890921S1 (en) | Pressure indicating syringe | |
| USD801911S1 (en) | Vehicle console kit | |
| USD890920S1 (en) | Pressure indicating syringe | |
| USD746748S1 (en) | Wheel with spoke design | |
| USD951540S1 (en) | Iron for comb | |
| CN204724874U (en) | A kind of dismountable rose reamer | |
| CN105773533A (en) | Fixed type structure of rotor and hammering set shell base of pneumatic tool | |
| TWD188989S (en) | Part of key | |
| JP2008184001A (en) | Door trim structure for vehicle | |
| CN104029032A (en) | Embedded slips blank processing tool | |
| CN201707636U (en) | Pressing fastener structure of heat sink | |
| CN207236262U (en) | A kind of high intensity button | |
| CN204818685U (en) | Middle support piece's of rear -guard assembly quality for car | |
| CN212828314U (en) | Automobile brake pump case | |
| JP3213571U (en) | Hinges and suitcases for suitcases | |
| CN205226177U (en) | Braking piston assembly | |
| USD978729S1 (en) | Passenger car | |
| CN206679064U (en) | A kind of steering column | |
| CN204726319U (en) | The suspended structure of general driving mirror bracket | |
| CN211500731U (en) | Turbine end cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |