CN1080844C - Limiting mechanism and its combined structure - Google Patents
Limiting mechanism and its combined structure Download PDFInfo
- Publication number
- CN1080844C CN1080844C CN98120885A CN98120885A CN1080844C CN 1080844 C CN1080844 C CN 1080844C CN 98120885 A CN98120885 A CN 98120885A CN 98120885 A CN98120885 A CN 98120885A CN 1080844 C CN1080844 C CN 1080844C
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- restricting means
- holding space
- depressed part
- hollow portion
- combination
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Abstract
The present invention relates to a limiting device which is used for limiting the movement of a limited object with one end of a concave part in a certain direction. The limiting device comprises a geometric body having a hollow part and probably presenting a sealed shape, wherein the geometric body has elasticity to allow the end to penetrate through the hollow part when external force is exerted on the limited object and make the concave part limited by the hollow part when the external force disappears. The combination of the limiting device of the present invention comprises the limited object, the concave part and an integral forming carrier, wherein one end of the limited object is provided with a concave part limiting device; the concave part fastens the end of the limited object; the integral forming carrier is used for carrying the limited object and the limiting device inside.
Description
The present invention is used to limit a limited thing the moving of a certain direction for a kind of restricting means, and its locking ring device that particularly is applied in the bearing combination moves axial to limit one.
Generally, in the motor and direct current motor of precision, the means of fixation in its axle center commonly uses a clasp to fasten an end in its axle center, to avoid it to move toward axial direction, as shown in Figure 1A, the combination of whole bearing comprises that a sleeve 12 is used for holding and receives a bearing 11 and one 10, still there are a wear plate 14 these weight of 10 of support and a bottom 15 to seal the bottom in sleeve 12 bottoms, normally a kind of threaded cap of this bottom 15, its clasp has one gap 131 to help to allow the spheroid of a bottom 102 pass through the also depressed part 101 of fastening axle one end in the middle of constructing 13 front views among Figure 1B.Yet, the shortcoming of these type of clasp 13 devices and bearing combination is the depressed part 101 at these these axle 10 1 ends of clasp 13 fastenings, because the shape of clasp 13 often need be used an external force that clasp 13 is strutted and can be enclosed within on the axle 10, and existing clasp 13 is right after the depressed part 101 feasible assemblings on axle and disassembles effort, engage with sleeve 12 closely by bearing 11 simultaneously, must firmly bearing 11 be filled among the sleeve 12 earlier, this clasp 13 is inserted in axle 10 1 ends by sleeve 12 belows more then, overlap the fashionable external force of must using and strut clasp 13, row one thrust makes the spherical bottom 102 of axle pass this clasp again, finish assembling or disassemble the complicated and effort of this method; In addition, normally a kind of threaded cap of this bottom 15 so that bottom 15 bolts tightly whether will have influence on this height with whether leakage of oil.
The objective of the invention is for a kind of practicality and simple device combination are provided, to address the deficiencies of the prior art.
The technological scheme that realizes the object of the invention is:
A kind of restricting means, a limited thing the moving that has a depressed part one end in order to restriction at a specific direction, be characterized in, this restricting means comprises one to have hollow portion and is the geometrical body that seals sheet, this hollow portion comprises and defines periphery, this defines periphery and comprises separately protuberance district and recess region, and this protuberance district has elasticity, makes described limited thing be subjected to external force and struts; Hollow portion is passed in described protuberance district, and till the depressed part of described limited thing and this protuberance district align, and after the depressed part of this limited thing and this protuberance district aligned, this depressed part did not contact with the surface in this protuberance district.
Above-mentioned restricting means, wherein, the periphery that defines of described hollow portion comprises three groups of protuberance district and recess region separately.
Above-mentioned restricting means, wherein, described limited thing is an axle.
Above-mentioned restricting means, wherein, an end of described axle is a spherical bottom surface, struts the protuberance district and passes hollow portion in order to described limited thing.
Above-mentioned restricting means, wherein, described specific direction is an axial direction.
Above-mentioned restricting means, wherein, described geometrical body is an annular lamina.
A kind of combination of restricting means is characterized in, comprises:
One limited thing, the one end has a depressed part;
One restricting means, in order to limit limited thing moving in a certain direction, it comprises one has hollow portion and is the geometrical body of sealing, described hollow portion comprises and defines periphery, this defines periphery and comprises separately protuberance district and recess region, this protuberance district has elasticity, make described limited thing be subjected to external force and strut the protuberance district and pass hollow portion, till the depressed part of limited thing and protuberance district align, and after the depressed part of limited thing and protuberance district aligned, depressed part did not contact with the surface in protuberance district; And,
Integrally formed carrier, this carrier tool one upper end open, described limited thing and described restricting means are all inserted in this carrier from this upper end open.
Above-mentioned restricting means, wherein, the described periphery that defines comprises three groups of protuberance district and recess region separately.
Above-mentioned restricting means, wherein, described limited thing is one.
Above-mentioned restricting means, wherein, described axle one end is a spherical bottom surface, struts the protuberance district in order to limited thing and passes hollow portion.
Above-mentioned restricting means, wherein, described specific direction is an axial direction.
Above-mentioned restricting means, wherein, described carrier has first holding space and second holding space, the one end sealing of described first holding space, the other end and the described second holding space intercommunication, and an end of second holding space and the first holding space intercommunication, the other end then is a upper end open.
Above-mentioned restricting means, wherein, described first holding space and second holding space are cylindric.
Above-mentioned restricting means, wherein, the radius of the described first holding space radius ratio, second holding space is little, and causes shoulder structure between the two, makes described restricting means to insert in the carrier from upper end open, and frame is at this shoulder structure place.
Above-mentioned restricting means wherein, also comprises a wear plate, and this wear plate is positioned at the bottom of first holding space, to support described axle.
Above-mentioned restricting means wherein, also comprises a bearing, and this bearing is positioned at second holding space, with the sense of rotation of fixing described axle.
Above-mentioned restricting means, wherein, described geometrical body is an annular lamina.
Above-mentioned restricting means, wherein, described depressed part is a concavity circular structure.
Above-mentioned restricting means, wherein, described carrier is a tube-in-tube structure.
For the present invention there being more deep understanding, below will cooperate following accompanying drawing to elaborate:
Figure 1A is one of prior art restrictive axes bearing apparatus combination of side view.
Figure 1B is one of prior art restriction clasp front view.
Fig. 2 A is one of the present invention restrictive axes bearing apparatus combination of side view.
Fig. 2 B is one of the present invention restriction clasp front view.
The present invention is a restricting means and composite structure thereof, this restricting means has a limited thing the moving in a certain direction of a depressed part one end in order to restriction, it is a sheet structure, have a hollow portion and have toughness, because of having toughness, this restricting means allow this limited thing must be in when being bestowed an external force, make this end pass this hollow portion, and after this external force disappears, make this depressed part be subjected to the restriction of this hollow portion.This hollow portion comprises and defines periphery, this defines periphery and comprises: at least one protuberance district, when this depressed part is subjected to the restriction of this hollow portion, there is one first gap on this depressed part surface of this protuberance district this limited thing of surface distance, this protuberance district is in order to limit the depressed part of this limited thing, and at least one recess region, when this depressed part was subjected to the restriction of this hollow portion, there was one second gap on this depressed part surface of this this limited thing of recess region surface distance.This first gap is littler than this second gap.The combination of this restricting means comprises limited thing one end tool one depressed part, and a restricting means fastens the depressed part of this limited this end of thing, and an one-body molded carrier of taking advantage of, and receives this limited thing and this restricting means in it in order to hold.
Preferred embodiment method of the present invention is shown in Fig. 2 A, this is the restriction combination of a bearing, one clasp 23 has one 20 moving at axial direction of one of depressed part 201 end 202 in order to restriction, it is the laminar body of a hollow, this clasp body has elasticity and allows this axle 20 must be in when being bestowed an external force, make these axle head 202 spheroids pass this hollow portion, and after this external force disappears, make this depressed part 201 be subjected to the restriction of this hollow portion.This axle head 202 has the spherical shape body and is beneficial to by this hollow portion, wherein this hollow portion comprises and defines periphery, this defines periphery and comprises shown in Fig. 2 B: three protuberance districts 232, when this depressed part 201 is subjected to entangling of this clasp hollow portion, there is one first gap on depressed part 201 surfaces of each these protuberance district 232 these axle of surface distance, and these protuberance district 232 functions are the depressed parts 201 in order to fasten this, but after fastening the depressed part 201 of this axle and this protuberance district 232 both and contactless; And three recess region 231, when this depressed part 201 was entangled by this hollow portion, there was one second gap on depressed part 201 surfaces of each recess region 231 these axle of surface distance, and wherein first gap is littler than second gap.
See also Fig. 2 A, the combination of preferred embodiment method bearing means of the present invention comprises: one 20, the one end has a depressed part 201, the locking ring device of one clasp 23 is in order to limit this 20 moving at axial direction, and a sleeve body 22, receive this axle 20 and this locking ring device 23 in it in order to hold.Integrally formed sleeve 22 has the first cylindrical holding space 300 and the second cylindrical holding space 301, an end and the wear plate 24 of this first cylindrical holding space 300 1 ends sealing in order to hold this, this second cylindrical holding space 301 is provided with opening and passes therebetween and fix this clasp 23 and bearing 21 for this axle 20 and this clasp 23.Bearing 21 is in order to fix its sense of rotation.The first cylindrical holding space 300 and the second cylindrical holding space 301 have a step-like surface, can block clasp 23 in order to installing and disassembling.This a concave end portion 201 is a ring structure, when any rotation this time all can block by clasp 23, unlikely generation moves axially, and this axle head 202 is shaped as a spheroid, helps this axle head by this clasp 23 or transfer to.
The invention provides the program of a simple assembled motor bearing, at first, wear plate 24 is put into 300 bottoms, first space of sleeve 22, second step, put into 301 bottoms, clasp 23 to second spaces again, be directly to put into from sleeve 22 tops, the 3rd step, and then bearing 21 is pressed in the sleeve 22, at last, end spheroid 202 with axle 20 inserts a bearing 21 centers again, and firmly toward being pushed down into the hollow portion that can buckle into clasp, the advantage of this combination can be avoided leakage of oil and the accurate height of adjusting axle is provided.
Clasp of the present invention and bearing combination not only are suitable for rotating shaft restriction, and can be applied to the combination of relevant limit device.
Claims (19)
1. restricting means, a limited thing the moving that has a depressed part one end in order to restriction at a specific direction, it comprises one has hollow portion and is the geometrical body that seals sheet, this hollow portion comprises and defines periphery, this defines periphery and comprises separately protuberance district and recess region, this protuberance district has elasticity, make described limited thing be subjected to external force and strut described protuberance district and pass hollow portion, till the depressed part of described limited thing and this protuberance district align, and after the depressed part of this limited thing and this protuberance district aligned, this depressed part did not contact with the surface in this protuberance district.
2. restricting means as claimed in claim 1 is characterized in that, the periphery that defines of described hollow portion comprises three groups of protuberance district and recess region separately.
3. restricting means according to claim 1 is characterized in that, described limited thing is an axle.
4. as restricting means as described in the claim 3, it is characterized in that an end of described axle is a spherical bottom surface, struts the protuberance district and passes hollow portion in order to described limited thing.
5. as restricting means as described in the claim 3, it is characterized in that described specific direction is an axial direction.
6. restricting means according to claim 1 is characterized in that described geometrical body is an annular lamina.
7. the combination of a restricting means is characterized in that, comprises:
One limited thing, the one end has a depressed part;
One restricting means, in order to limit limited thing moving in a certain direction, it comprises one has hollow portion and is the geometrical body of sealing, described hollow portion comprises and defines periphery, this defines periphery and comprises separately protuberance district and recess region, this protuberance district has elasticity, make described limited thing be subjected to external force and strut the protuberance district and pass hollow portion, till the depressed part of limited thing and protuberance district align, and after the depressed part of limited thing and protuberance district aligned, depressed part did not contact with the surface in protuberance district; And,
Integrally formed carrier, this carrier tool one upper end open, described limited thing and described restricting means are all inserted in this carrier from this upper end open.
8. the combination of system device as claimed in claim 7 is characterized in that, the described periphery that defines comprises three groups of protuberance district and recess region separately.
9. the combination of restricting means as claimed in claim 7 is characterized in that, described limited thing is one.
10. the combination of restricting means as claimed in claim 9 is characterized in that, described axle one end is a spherical bottom surface, struts the protuberance district in order to limited thing and passes hollow portion.
11. the combination of restricting means as claimed in claim 10 is characterized in that, described specific direction is an axial direction.
12. the combination of restricting means as claimed in claim 11, it is characterized in that, described carrier has first holding space and second holding space, the one end sealing of described first holding space, the other end and the described second holding space intercommunication, and an end of second holding space and the first holding space intercommunication, the other end then is a upper end open.
13. the combination of restricting means as claimed in claim 12 is characterized in that, described first holding space and second holding space are cylindric.
14. the combination of restricting means as claimed in claim 13, it is characterized in that the radius of the described first holding space radius ratio, second holding space is little, and cause shoulder structure between the two, make described restricting means to insert in the carrier from upper end open, frame is at this shoulder structure place.
15. the combination of restricting means as claimed in claim 13 is characterized in that, also comprises a wear plate, this wear plate is positioned at the bottom of first holding space, to support described axle.
16. the combination of restricting means as claimed in claim 13 is characterized in that, also comprises a bearing, this bearing is positioned at second holding space, with the sense of rotation of fixing described axle.
17. restricting means as claimed in claim 7 is characterized in that, described geometrical body is an annular lamina.
18. restricting means as claimed in claim 7 is characterized in that, described depressed part is a concavity circular structure.
19. restricting means as claimed in claim 7 is characterized in that, described carrier is a tube-in-tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98120885A CN1080844C (en) | 1998-09-29 | 1998-09-29 | Limiting mechanism and its combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98120885A CN1080844C (en) | 1998-09-29 | 1998-09-29 | Limiting mechanism and its combined structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1249411A CN1249411A (en) | 2000-04-05 |
| CN1080844C true CN1080844C (en) | 2002-03-13 |
Family
ID=5226892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98120885A Ceased CN1080844C (en) | 1998-09-29 | 1998-09-29 | Limiting mechanism and its combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1080844C (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4968910A (en) * | 1989-08-31 | 1990-11-06 | Micronel Ag | Axial securing device for the shaft of a small motor |
| US5197841A (en) * | 1989-03-08 | 1993-03-30 | Chubu Bearing Kabushiki Kaisha | E-shaped retainer ring |
-
1998
- 1998-09-29 CN CN98120885A patent/CN1080844C/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197841A (en) * | 1989-03-08 | 1993-03-30 | Chubu Bearing Kabushiki Kaisha | E-shaped retainer ring |
| US4968910A (en) * | 1989-08-31 | 1990-11-06 | Micronel Ag | Axial securing device for the shaft of a small motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1249411A (en) | 2000-04-05 |
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Decision date of declaring invalidation: 20151127 Decision number of declaring invalidation: 27557 Granted publication date: 20020313 |