CN102334944A - Clip-shaped pin fixed structure of caster wheel for dust collectors - Google Patents
Clip-shaped pin fixed structure of caster wheel for dust collectors Download PDFInfo
- Publication number
- CN102334944A CN102334944A CN2010102372354A CN201010237235A CN102334944A CN 102334944 A CN102334944 A CN 102334944A CN 2010102372354 A CN2010102372354 A CN 2010102372354A CN 201010237235 A CN201010237235 A CN 201010237235A CN 102334944 A CN102334944 A CN 102334944A
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- CN
- China
- Prior art keywords
- rotating shaft
- castor
- fixed structure
- folder
- dust catcher
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Abstract
The invention discloses a clip-shaped pin fixed structure of a caster wheel for dust collectors, which belongs to an auxiliary instrument of a caster wheel for dust collectors. The clip-shaped pin fixed structure comprises a rotating shaft, the rotating shaft is arranged in a shaft hub of the caster wheel for dust collectors, the external lateral end of the rotating shaft is provided with a concentric shaft gear, and a ring groove is formed at the internal lateral end of the rotating shaft; the internal lateral end of the rotating shaft and the ring groove are arranged in a rotating-shaft hole frame of a base; a perforating part passing through a shaft center is arranged on the ring groove; and the insides of the ring groove and the perforating part are respectively bonded with an elastic integral clip-shaped pin. In the invention designed as above, because a perforating part passing through a shaft center is arranged on the ring groove at the internal lateral end of the rotating shaft, and an arc clip part of the clip-shaped pin is embedded in the ring groove by pinning a pin body part of the clip-shaped pin into the perforating part, so that the clip-shaped pin is installed easily and fixed firmly and stably. Therefore, an action that the caster wheel moves to the ring groove end of the rotating shaft is limited, and an action that the rotating shaft and the caster wheel on the rotating shaft drop from the rotating-shaft hole frame of the base is prevented.
Description
Technical field
The present invention relates to the assistive device of dust catcher castor, specifically is a kind of jump ring fixed structure of vertical type dust collector castor.
Background technology
Dust catcher is a kind of sanitation and hygiene household electrical appliance, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal dust collector (pot type) and portable dust collector etc.
Dust collector structure comprises substantially and imports the motor of dust collector that generates negative-pressure sucking behind the power supply, forms the suction nozzle of air path system, and dust suction is just managed, and hose filters and gather the dust collect plant of inhalation (inhalatio), and the castor of organism bottom etc.
In general, contain the suction nozzle of the gas of foreign substances such as dust through vertical type dust collector, or the brush that front end has just been managed in the horizontal dust collector dust suction sucks dust catcher body, and through cyclonic separation, filtration and the dust collect plant of internal body, it is for clearance to collect foreign substances such as dust; And the pure air after the dedusting is discharged to outside the dust catcher body, accomplishes the dust suction operation.Also be provided with the hanging wire structure on the dust catcher body, or winding mechanism, power line accommodated with certain-length.No matter vertical type dust collector, or horizontal dust collector is provided with in the bottom of dust catcher body and is convenient to the castor that body moves on the scope of operation.
Fig. 1 is existing vertical type dust collector castor and base perspective view; Fig. 2 is an A portion structure for amplifying sketch map among Fig. 1; Fig. 3 is prior art wheel shaft and snap ring bonding state structural representation; Fig. 4 is a prior art snap ring perspective view.
As shown in the figure; 2 castor 1 correspondences of vertical type dust collector are arranged on the both sides at dust catcher base 2 rear portions; Anterior suction nozzle 3 rears of base 2 are provided with 1 deflecting roller 4 in addition, and are the bikini setting of tripartite confrontation with 2 castors 1, guarantee that the vertically-arranged of dust catcher body is stable and it is convenient to move.
But circlip 11 is difficult installation in the rotating shaft 8 of shaft hole frame (not shown) lining, and fixed effect is stable inadequately, and circlip 11 comes off in annular groove 10 easily, influences the satisfaction of user to product.
Summary of the invention
The present invention is exactly in order to solve in the prior art; Inconvenient installation in the castor rotating shaft of annular spring in the axle hole frame; And cause the problem of fixed effect satisfaction differences such as circlip 11 comes off in the annular groove 10 easily, and a kind of folder shape pin fixed structure of dust catcher castor is provided.
The present invention realizes by following technical scheme.
A kind of folder shape pin fixed structure of dust catcher castor; Comprise and being installed in the dust catcher castor propeller boss; Outboard end is the concentric shafts shelves, and medial extremity is formed with the rotating shaft of annular groove, and the medial extremity of rotating shaft and annular groove are arranged in the shaft hole frame of base; And on annular groove, be formed with the perforated portion that connects the axle center, be combined with the folder shape pin of rubber-like one in annular groove and the perforated portion respectively.
The present invention of design like this, owing on the annular groove of rotating shaft medial extremity, form the perforated portion in perforation axle center, and adopt the shank portion of folder shape pin to sell into perforated portion, and will press from both sides the circular arc folder portion embedding annular groove of shape pin, like this, folder shape pin is easy to install, and is fixed firm.Thereby the restriction castor moves to annular groove one end of rotating shaft, also prevent rotating shaft and on castor come off from the shaft hole frame of base.
Description of drawings
Fig. 1 is existing vertical type dust collector castor and base perspective view;
Fig. 2 is an A portion structure for amplifying sketch map among Fig. 1;
Fig. 3 is prior art wheel shaft and circlip bonding state structural representation;
Fig. 4 is a prior art circlip perspective view;
Fig. 5 is that the status architecture sketch map is closed in wheel shaft and folder shape keying among the present invention;
Fig. 6 is a folder shape pin perspective view among the present invention;
Fig. 7 is the perspective view of another embodiment of folder shape pin among the present invention;
Fig. 8 uses vertical type dust collector castor of the present invention and base perspective view;
Fig. 9 is the structure for amplifying sketch map of A portion among Fig. 8;
Figure 10 is the planar structure sketch map of wheel shaft among the present invention;
Figure 11 is the planar structure sketch map of another embodiment wheel shaft among the present invention;
Figure 12 is the sectional view of A-A portion among Figure 11;
Figure 13 is the perspective view of Figure 11.
Among the figure: 1. castor 2. bases
3. suction nozzle 4. deflecting rollers
5. wheel rim 6. disc
7. wheel hub 8a.8b.8c. rotating shaft
9. axle shelves 10. annular grooves
11. circlip 12. back-up ring bodies
13. snap ring end 14a.14b perforated portion
15a.15b. folder shape is sold 16. shank portions
17. folder portion 18. reflex action ends
19. handle portion.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed explanation.
Fig. 5 is that the status architecture sketch map is closed in wheel shaft and folder shape keying among the present invention; Fig. 8 uses vertical type dust collector castor of the present invention and base perspective view; Fig. 9 is the structure for amplifying sketch map of A portion among Fig. 8.
As shown in the figure, 2 castor 1 correspondences of vertical type dust collector are arranged on the both sides at dust catcher base 2 rear portions, and base 2 anterior suction nozzle 3 rears are provided with 1 deflecting roller 4 in addition, and are the bikini setting with 2 castors 1, guarantee that the vertically-arranged of dust catcher body is stable and mobile convenient.
A kind of folder shape pin fixed structure of dust catcher castor; Comprise and being installed in the dust catcher castor propeller boss 7; Outboard end is concentric shafts shelves 9, and medial extremity is formed with the rotating shaft 8b of annular groove 10, and the medial extremity of rotating shaft 8b and annular groove 10 are arranged in the shaft hole frame of base 2; And on annular groove 10, be formed with the perforated portion 14a that connects the axle center, be combined with the folder shape pin 15a of rubber-like one in annular groove 10 and the perforated portion 14a respectively.
Figure 11 is the planar structure sketch map of another embodiment wheel shaft among the present invention; Figure 12 is the sectional view of A-A portion among Figure 11; Figure 13 is the perspective view of Figure 11.
As shown in the figure, the perforated portion 14a, the 14b that connect rotating shaft 8c axle center on the annular groove 10 form 2 at least on same cross section.
The folder shape of said dust catcher castor pin fixed structure, its 2 perforated portion 14a that on same cross section, form, 14b are vertical each other in the axle center part of rotating shaft 8c, are cross.Like this, during the dust catcher component-assembled, the shank portion 16 of folder shape pin 15a can select arbitrarily perforated portion 14a or 14b sell into, assembling is more prone to.
The folder shape pin fixed structure of said dust catcher castor, the width of diameter >=annular groove 10 of its perforated portion 14a or 14b.
The folder shape pin fixed structure of said dust catcher castor, Fig. 6 are folder shape pin perspective view among the present invention.As shown in the figure, the folder shape pin of rubber-like one comprises the reflex action end 18 of direct rod shape shank portion 16, bending back opposite side circular arc folder portion 17 and the continuity of a side, and the straight length of shank portion 16 is greater than the straight length of circular arc folder portion 17 with reflex action end 18.Folder shape pin 15a or folder shape pin 15b go up reflex action end 18 and are beneficial to folder shape pin is snapped on the annular groove 10 of rotating shaft 8b or 8c.
Fig. 7 is the perspective view of another embodiment of folder shape pin among the present invention;
The folder shape of said dust catcher castor pin fixed structure, as shown in Figure 7, the bending place formation rubber-like annular hand grip portion 19 that its shank portion 16 is connected with circular arc folder portion 17 one.Holding operation when the annular hand grip portion 19 that folder shape pin 15b one distal process goes out to form is more convenient for installing.
The folder shape pin fixed structure of said dust catcher castor; The length of its rubber-like folder shape pin 15a or folder shape pin 15b is greater than rotating shaft 8b or 8c; And the diameter of shaft hole frame (not shown) upper spindle hole of base 2, in order to avoid rotating shaft 8b or 8c and even castor 1 are deviate from from the shaft hole frame of base 2.
Described folder shape pin 15a or folder shape pin 15b adopt carbon spring steel machine-shaping.
Brief description use of the present invention and assembling process at first insert rotating shaft 8b or 8c in the wheel hub 5 of castor 1, and axle shelves 9 restriction castors 1 can not deviate from greater than axle shelves one end of rotating shaft 8b or 8c from diameter; Shaft hole frame (not shown) with rotating shaft 8b that passes wheel hub 5 or 8c other end protuberate basic unit 2; And in the perforated portion 14a or 14b on manifesting annular groove 10; Penetrate the direct rod shape shank portion 16 of folder shape pin 15a or folder shape pin 15b, and will embed on the annular grooves 10 with the circular arc folder portion 17 of the opposite side of direct rod shape shank portion 16 one.Rubber-like annular hand grip portion 19 blocks and embeds annular groove 10 and perforated portion 14a or 14b, thereby restriction castor 1 moves to annular groove 10 1 ends of rotating shaft 8b or 8c, also prevent rotating shaft 8b or 8c and on castor 1 come off from the shaft hole frame of base 2.
Claims (7)
1. the folder shape of a dust catcher castor is sold fixed structure; Comprise and being installed in the dust catcher castor propeller boss (7); Outboard end is concentric shafts shelves (9), and medial extremity is formed with the rotating shaft (8b) of annular groove (10), and the medial extremity of rotating shaft (8b) and annular groove (10) are arranged in the shaft hole frame of base (2); It is characterized in that: be formed with the perforated portion (14a) that connects the axle center on the annular groove (10), be combined with the folder shape pin (15a) of rubber-like one in annular groove (10) and the perforated portion (14a) respectively.
2. according to the folder shape pin fixed structure of the said dust catcher castor of claim 1, it is characterized in that: annular groove (10) is gone up the perforated portion (14a), (14b) that connect the axle center and on same cross section, is formed 2 at least.
3. according to the folder shape pin fixed structure of the said dust catcher castor of claim 1, it is characterized in that: 2 perforated portions (14a), (14b) that on same cross section, form are vertical each other in the axle center part of rotating shaft (8b).
4. according to the folder shape pin fixed structure of the said dust catcher castor of claim 1, it is characterized in that the width of perforated portion (14a) or diameter >=annular groove (14b) (10).
5. the folder shape according to the said dust catcher castor of claim 1 is sold fixed structure; It is characterized in that: the folder shape pin (15a) of rubber-like one comprises the reflex action end (18) of direct rod shape shank portion (16), bending back opposite side circular arc folder portion (17) and the continuity of a side, and the length of shank portion (16) is greater than the straight length of circular arc folder portion (17) with reflex action end (18).
6. according to the folder shape pin fixed structure of the said dust catcher castor of claim 5, it is characterized in that: the bending place between shank portion (16) and the circular arc folder portion (17) is formed with rubber-like annular hand grip portion (19).
7. according to the folder shape pin fixed structure of the said dust catcher castor of claim 1, it is characterized in that: the length of folder shape pin (15a) is greater than the diameter of rotating shaft (8b) and shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102372354A CN102334944A (en) | 2010-07-26 | 2010-07-26 | Clip-shaped pin fixed structure of caster wheel for dust collectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102372354A CN102334944A (en) | 2010-07-26 | 2010-07-26 | Clip-shaped pin fixed structure of caster wheel for dust collectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102334944A true CN102334944A (en) | 2012-02-01 |
Family
ID=45511066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102372354A Pending CN102334944A (en) | 2010-07-26 | 2010-07-26 | Clip-shaped pin fixed structure of caster wheel for dust collectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102334944A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205041U (en) * | 1987-05-16 | 1987-12-30 | 陈钢 | Castor |
| CN2101603U (en) * | 1991-09-21 | 1992-04-15 | 殷惕生 | universal side roller |
| US20030150080A1 (en) * | 2002-02-14 | 2003-08-14 | Yao-Wei Yang | Caster with a structural improvement |
| DE202006009420U1 (en) * | 2006-06-16 | 2006-08-24 | Tsai, Po-Chuan, Ren-Te Shiang | Roller shaft for office chair, has ring groove surrounded by S-shaped twisted lock ring whose curved upper and lower ends are supported at upper and lower groove walls and outer edge is elastically supported at lock wall |
| CN101198512A (en) * | 2005-06-15 | 2008-06-11 | 总锁有限责任公司 | Receiver pin |
| CN201100292Y (en) * | 2007-04-26 | 2008-08-13 | 株洲致远工矿产品加工中心 | An axial end fixing device for preventing random disassembly |
-
2010
- 2010-07-26 CN CN2010102372354A patent/CN102334944A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205041U (en) * | 1987-05-16 | 1987-12-30 | 陈钢 | Castor |
| CN2101603U (en) * | 1991-09-21 | 1992-04-15 | 殷惕生 | universal side roller |
| US20030150080A1 (en) * | 2002-02-14 | 2003-08-14 | Yao-Wei Yang | Caster with a structural improvement |
| CN101198512A (en) * | 2005-06-15 | 2008-06-11 | 总锁有限责任公司 | Receiver pin |
| DE202006009420U1 (en) * | 2006-06-16 | 2006-08-24 | Tsai, Po-Chuan, Ren-Te Shiang | Roller shaft for office chair, has ring groove surrounded by S-shaped twisted lock ring whose curved upper and lower ends are supported at upper and lower groove walls and outer edge is elastically supported at lock wall |
| CN201100292Y (en) * | 2007-04-26 | 2008-08-13 | 株洲致远工矿产品加工中心 | An axial end fixing device for preventing random disassembly |
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Application publication date: 20120201 |