CN100455835C

CN100455835C - Bearing block

Info

Publication number: CN100455835C
Application number: CNB2005101203019A
Authority: CN
Inventors: 蔡清华; 林书达
Original assignee: JUNHAO PRECISION INDUSTRY Co Ltd
Current assignee: Junhao Precision Industry Co., Ltd.
Priority date: 2005-11-08
Filing date: 2005-11-08
Publication date: 2009-01-28
Anticipated expiration: 2025-11-08
Also published as: CN1963245A

Abstract

A bearing base comprises a bottom base with a top one on it. The top surface of the bottom base has a volumetric groove and a No.1 gain groove, so does the bottom face of the top base. A containing space is formed by the top and bottom grooves to put a bearing device. The No.1 and No.2 gain grooves form a No.1 piercing hole to let the axle center to go through. Apart from that, an air pumping channel of the bottom base connects with the bottom volumetric groove and the outside world. In this way, the bearing base can cover the bearing tightly to avoid the powder that produced by the bearing from spreading to surrounding areas and prevent the drawing out of the powder from the air pumping channel.

Description

Bearing support

Technical field

The present invention is relevant with bearing supports, is meant a kind of bearing support that prevents the dust loss especially,

Background technique

The general axis bearing is to use for a bearing setting, this bearing support is to have a pedestal and a lid, this pedestal is to be made to use for this bearing by plastic cement material to be embedded, this lid then is coated on this pedestal and this bearing wherein, only stay a perforation to wear for an axle center, the dust loss that bearing produces in the time of so can avoiding using and influence the cleanliness of air, conventional cap is that sheet metal is processed in modes such as panel beatings, size and position for this perforation, often can't accurately control, for avoiding perforation to interfere with the axle center, the diameter of perforation usually must be greater than the diameter in axle center 1mm at least, the interference phenomenon that begins to avoid the error made to cause, therefore, how further to reduce to bore a hole gap with the axle center more effectively intercepts the dust loss, has become the important topic that industry needs to be resolved hurrily.

Summary of the invention

In view of the foregoing, a purpose of the present invention is to provide a kind of bearing support, can effectively reduce the loss of dust.

Another object of the present invention is to provide a kind of bearing support, it is easy that it makes assembly program.

Take off purpose for before reaching, a kind of bearing support of the present invention is used for a bearing and an axle center to be provided with, and this bearing has and can encircle in the counterrotating outer shroud and, and this axle center then is inserted in the interior ring of this bearing, it is characterized in that, this bearing support includes:

A seat, its end face has a bottom volumetric groove and one first groove, and this bottom volumetric groove has a large-diameter portion, and a minor diameter part is between this large-diameter portion and this first groove, and this following also includes to bleed and is communicated with this minor diameter part and the external world; And

One seat of honour is to be located at this following top, and this bottom surface, seat of honour has a upper containing groove and one second groove, and this upper containing groove has a large-diameter portion, and a minor diameter part is between this large-diameter portion and this second groove;

Thus, the common containing space that forms of this bottom volumetric groove and this upper containing groove is embedded wherein for this bearing, the outer shroud of this bearing pastes the large-diameter portion that is butted on this upper and lower tank, this first groove then forms one first perforation jointly with this second groove and is communicated with this containing space with extraneous, uses for this axle center to wear wherein.

Wherein this following is to be located on the platform, these following two side is respectively equipped with slot two times, these seat of honour two sides also are respectively equipped with on two slot and described slot is corresponding down, thus, this bearing support is linked together by two dividing plates and another bearing support that are inserted in slot on this, following slot, this two dividing plates top also is provided with a cover plate, make and form a passage between this cover plate, this two dividing plate and this platform, this following bottom surface also is provided with an alcove and is bled by this and be communicated with the minor diameter part of this bottom volumetric groove, this following and be provided with this alcove of an open communication and this passage.

Wherein this end face of following is to be concaved with most caulking grooves, and this seat of honour then is extended with most fins downwards and embeds in the described caulking groove.

Wherein this bearing support is to be plastic cement material.

Wherein the crack is less than 0.5mm between this axle center and this first perforation.

Wherein this end face of following also includes one the 3rd groove and is located at the opposite side of this bottom volumetric groove with respect to this first groove; The bottom surface at this seat of honour also includes one the 4th groove and is located at the opposite side of this upper containing groove with respect to this second groove; Thus, common one second this containing space of perforation connection that forms of the 3rd groove and the 4th groove wears for this axle center with extraneous.

Description of drawings

For more understanding structure of the present invention and characteristics place, below lift the explanation of two preferred embodiments and conjunction with figs. as after, wherein:

Fig. 1 is the state stereogram that is provided with of the present invention's first preferred embodiment;

Fig. 2 is the state that the is provided with three-dimensional exploded view of the present invention's first preferred embodiment;

Fig. 3 is a following top view of the present invention's first preferred embodiment;

Fig. 4 is a following stereogram of the present invention's first preferred embodiment;

Fig. 5 is the sectional view of Fig. 1 along the 5-5 direction;

Fig. 6 is the sectional view of Fig. 1 along the 6-6 direction;

Fig. 7 is the three-dimensional exploded view of the present invention's second preferred embodiment;

Fig. 8 is a following top view of the present invention's second preferred embodiment;

Fig. 9 is the sectional view of the present invention's second preferred embodiment.

Embodiment

See also Fig. 1 to Fig. 6, the bearing support 10 that first preferred embodiment of the present invention is provided is to use for a bearing 12 and an axle center 14 to be provided with, this bearing 12 has and can encircle 122 in the counterrotating

outer shroud

121 and, 14 in this axle center is inserted in to be encircled in this in 122, and this bearing support 10 comprises seat 20 and one seat of honour 40 one time.

This following 20 is for plastic rubber ejaculate molding and includes a bottom volumetric groove 21, one first groove 22, one the 3rd groove 23, two screws 24, an alcove 25, two bleed 26, two openings 27 and four times slots 28, this bottom volumetric groove 21 is arranged with in this end face of following 20, this two groove the 22, the 23rd is arranged with in this end face of following 20 and lays respectively at this bottom volumetric groove 21 both sides, this bottom volumetric groove 21 has a large-diameter portion 211, and two minor diameter parts 212 lay respectively at this large-diameter portion 211 and this two groove 22﹠amp; Between 23, this two screw 24 is to use for two bolts (figure does not show) spiral shell to establish, thus this following 20 is fixed on the platform 15, this alcove 25 is to be arranged with in these following 20 bottom surface, and two bleed and 26 be communicated with these two minor diameter parts 212 by this, this two opening 27 is to be positioned at this following 20 and these platform 15 adjacents, and these four times slots 28 are to be arranged with in pairs in these following 20 2 side, and this end face of following 20 is concaved with most caulking grooves 29.

This seat of honour 40 is similarly plastic rubber ejaculate molding and makes, this seat of honour 40 is to be located at this following 20 top, and the bottom surface is concaved with a upper containing groove 41, one second groove 42 and one the 4th groove 43, this two groove 42, the 43rd, lay respectively at this upper containing groove 41 both sides, this upper containing groove 41 has a large-diameter portion 411, and two minor diameter part 412 lay respectively at this large-diameter portion 411 and this two groove 42, between 43, two sides at this seat of honour 40 are to be concaved with slot 44 on four in pairs, and shaped position of slot is all corresponding mutually with these four times slots of following 20 28 on these, in addition, this seat of honour 40 is to be extended with most fins 45 downwards to be complementary shape with this caulking groove 29 of following 20.

When this following 20 combines with this seat of honour 40, these fins 45 are to insert these caulking grooves 29, make this seat of honour 40 firmly be fixed on this following 20, in addition, this bottom volumetric groove 21 is embedded wherein for this bearing 12 with these upper containing groove 41 common containing spaces 51 that form, the outer shroud 121 of this bearing 12 pastes and is butted on this, bottom volumetric groove 41,21 large-diameter portion 411,211,122 on the interior ring of this bearing 12 is because of these minor diameter parts 212,412 existence and can avoid inner circle wall friction with this containing space 51, this first groove 22 forms one first perforation 52 with this second groove 42, the 3rd groove 23 forms one second perforation 53 with the 4th groove 43, this two perforation 52, the 53rd, be communicated with this containing space 51 with extraneous, use for this axle center 14 to wear; In addition, this bearing support 10 can be linked together with another bearing support 10 by two dividing plates 17 that are inserted in this upper and

lower slot

44,28, these two dividing plates, 17 tops also are provided with a cover plate 19, make between this cover plate 19, this two dividing plate 17 and this platform 15 to form a passage 55, this passage 55 also is communicated in this alcove 25 by this opening 27.

Because of this bearing 12 is supported and is coated by this bearing support 10, most of dust that this bearing 12 is produced will be restricted in this containing space 51, only minimum part dust can be via this axle center 14 and this two perforation 52, slit between 53 and loss are to context, because following 20 of this bearing support 10 and the seat of honour 40 are integrated plastic cement injection part, bearing support lid compared to known sheetmetal working, this two perforation 52,53 position and size all can be grasped and be made more accurately, therefore, this two perforation 52,53 can be reduced to 0.5mm with the gap in this axle center 14 even below the 0.2mm, relatively, bearing support provided by the present invention can more effectively be avoided the loss of dust, thereby reaches purpose of the present invention; Moreover, make with plastic rubber ejaculate molding method following 20 not only with low cost with the seat of honour 40, make quick, also only need during assembling the fin 45 at this seat of honour 40 is embedded these caulking grooves 29 of following 20, bearing 12 can be fixed in this bearing support 10 and finish assembly program, quite convenient.

In addition, more can be drilled with a through hole 16 in this platform 15, as shown in Figure 5, and the alcove 25 that makes a bearing support 10 wherein sees through this through hole 16 and is connected to an air-extractor (figure does not show), when this air-extractor is bled, owing to the alcove 25 of each bearing support is to be interconnected by these passages 55, therefore, the dust that each bearing 12 is produced can be passed through, and these bleed 26, these alcoves 25 and these passages 55, and detached by this air-extractor, so almost can avoid dust to pass through this axle center 14 and this two perforation 52 fully, the crack loss is to context between 53, in addition, also can simultaneously plural alcove 25 or passage 55 be connected to this air-extractor by this through hole 16, equally also can reach the effect that dust is detached; In addition, this bearing support 10 also can use separately, and cooperates 27 sealings of this two opening.

Other sees also Fig. 7 to Fig. 9, it is the bearing support 60 that second preferred embodiment of the present invention is provided, this bearing support 60 is by seat 70 and one seat of honour 80 chimeric forming, this following 70 has a bottom volumetric groove 71 and one first groove 72, right the 3rd groove of not having in the previous embodiment, this seat of honour 80 has a upper containing groove 81 and one second groove 82, right the 4th groove of not having in the previous embodiment, thus, this following 70 and the seat of honour 80 common containing spaces 61 that form are embedded wherein for bearings 66, and one perforation 62 wear for an axle center 67, in other words, this axle center 67 is only via in these perforation 62 these bearings 66 of insertion and do not run through this bearing support 60.

Based on spirit of the present invention, bearing support provided by the present invention also has multiple variation on structure, at first, these are bled and also can be located at this seat of honour, and the mode of communicating between each bearing support alcove, also can only use pipe to connect merely, and be not limited to use dividing plate and cover plate, as long as the alcove of each bearing support can be interconnected, moreover, that this upper and lower seat also can utilize is bonding, nail joint or riveted way combines, every these easy full of beard and structural change, all should be claim of the present invention and contain.

Claims

1. a bearing support is used for a bearing and an axle center to be provided with, and this bearing has and can encircle in the counterrotating outer shroud and, and this axle center then is inserted in the interior ring of this bearing, it is characterized in that, this bearing support includes:

2. bearing support as claimed in claim 1, it is characterized in that, wherein this following is to be located on the platform, these following two side is respectively equipped with slot two times, these seat of honour two sides also are respectively equipped with on two slot and described slot is corresponding down, thus, this bearing support is by being inserted in slot on this, two dividing plates and another bearing support of following slot link together, this two dividing plates top also is provided with a cover plate, make this cover plate, form a passage between this two dividing plate and this platform, this following bottom surface also is provided with an alcove and is bled by this and be communicated with the minor diameter part of this bottom volumetric groove, this following and be provided with this alcove of an open communication and this passage.

3. bearing support as claimed in claim 1 is characterized in that, wherein this end face of following is to be concaved with most caulking grooves, and this seat of honour then is extended with most fins downwards and embeds in the described caulking groove.

4. bearing support as claimed in claim 1 is characterized in that, wherein this bearing support is to be plastic cement material.

5. bearing support as claimed in claim 1 is characterized in that, wherein the crack is less than 0.5mm between this axle center and this first perforation.

6. bearing support as claimed in claim 1 is characterized in that, wherein this end face of following also includes one the 3rd groove and is located at the opposite side of this bottom volumetric groove with respect to this first groove; The bottom surface at this seat of honour also includes one the 4th groove and is located at the opposite side of this upper containing groove with respect to this second groove; Thus, common one second this containing space of perforation connection that forms of the 3rd groove and the 4th groove wears for this axle center with extraneous.