CN2741258Y - Insulating base of carbon brush holder - Google Patents
Insulating base of carbon brush holder Download PDFInfo
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- CN2741258Y CN2741258Y CN 200420004906 CN200420004906U CN2741258Y CN 2741258 Y CN2741258 Y CN 2741258Y CN 200420004906 CN200420004906 CN 200420004906 CN 200420004906 U CN200420004906 U CN 200420004906U CN 2741258 Y CN2741258 Y CN 2741258Y
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Abstract
The utility model provides an insulating base of a carbon brush base, comprising a body with a perforation, and one end in the perforation is provided with an inner thread ; the inner thread s formed by a continuously shaped inner thread tooth which is provided with a first inner tooth surface and a second inner tooth surface, and the distance from the thread tooth peak to the tooth valley of the inner thread tooth on the first inner tooth surface is larger than the distance from the thread tooth peak to the tooth valley of the inner thread tooth on the second inner tooth surface. Besides, the adjacency part of the second inner thread tooth surface and the first inner thread tooth surface is provided with a first convex part.
Description
Technical field
The utility model is relevant with the motor internal structure, particularly about a kind of insulating base frame of carbon brush holder.
Background technology
See also Fig. 5, be a kind of carbon brush holder insulating base frame (60) commonly used, include a body (61) and a lid (62), this body (61) has one first end (63) and one second end (64), other is provided with a perforation (65) that runs through first, second end (63) (64) of this body (61), and this perforation (65) have one from this first end (63) towards the one first hole portion (66) that this second end (64) extends, and this first hole portion (66) that continues extends to the second hole portion (67) of this second end (64).This first hole portion (66) is in order to be installed with a copper seat (not shown) in order to the clamping carbon brush, and this second hole portion (67) internal face is provided with a screw thread (70), this screw thread (70) has a spiral helicine thread (71), and two facings (72) of this thread (71), it is equal to tooth paddy distance from the tooth peak.In addition, the periphery of this lid (62) cooperates the screw thread (70) of this body (61) that a screw thread (73) is set, and this lid (62) be can be locked together in this second hole portion (67), keeps out face in order to the spring one that is arranged in this pedestal (60) in the future to be provided.
Screw thread (70) in this body (61) is all the traditional mechanical screw thread with the screw thread (73) of this lid (62), this kind screw thread is in the process of screwing togather, present loosening state between this body (61) and this lid (62), after having the complete combination in the two (61) (62) only, can present compact state between the two (61) (62).Because this insulating base frame (60) is to be applied to motor inside, make this lid (62) and this body (61) break away from compact state because of motor vibration easily, make that the two generation of this lid (62) and this body (61) is loosening, even cause this lid (62) to come off, the user is when operating machine running, be difficult for discovering this lid (62) state, and cause danger easily.
The utility model content
Main purpose of the present utility model is to provide a kind of carbon brush holder insulating base frame, and its body and lid can be combined closely.
For achieving the above object, a kind of carbon brush holder insulating base frame that the utility model provides, include: a body, for thermosets made, have one first end face and one second end face, an and perforation that runs through this first, second end face, this perforation has from the one first hole portion of this first end face to this second end face extension, and one this first hole portion that continues extend to the second hole portion of this second end face, this first hole portion is in order to being installed with a bronze medal seat, and is equipped with an internal thread on the hole wall of this second hole portion; One lid, its periphery ring are provided with the external screw thread of this body internal thread of cooperation, and this lid can be incorporated in the second hole portion of this body; It is characterized in that: this internal thread is that the internal screw thread by a continuous shape is constituted, and its facing towards this body first end face is one first internal tooth surface, and is one second internal tooth surface towards the facing of this body second end face; This first internal tooth surface from this internal screw thread tooth peak to tooth paddy distance greater than this second internal tooth surface from this internal screw thread tooth peak to tooth paddy distance; Again, this second internal tooth surface has one first protuberance in abutting connection with this first internal tooth surface place.
Description of drawings
Following conjunction with figs. is lifted a preferred embodiment structure of the present utility model and function is elaborated, and the first brief description of wherein used accompanying drawing is as follows:
Fig. 1 is the three-dimensional exploded view of the utility model one preferred embodiment;
Fig. 2 is the cut-away view along 2-2 hatching line among Fig. 1;
Fig. 3 is the cut-away view along 3-3 hatching line among Fig. 1;
Fig. 4 is the schematic diagram of the utility model one preferred embodiment, the externally threaded state that screws togather of show ontology internal thread and lid; And
Fig. 5 is carbon brush holder insulating base frame schematic diagram commonly used.
Embodiment
See also Fig. 1, the carbon brush holder insulating base frame (10) that the utility model one preferred embodiment is provided includes:
One body (20) (as shown in Figure 2), make by thermosets, have one first end face (21) and one second end face (22), and one by this first end face (21) break-through to this second end face (22) one the perforation (23), and this perforation (23) has one by the one first hole portion (24) of this first end face (21) to this second end face (22) extension, and second a hole portion (25) of extending this second end face (22) by this first hole portion (24), this first hole portion (24) is in order to being installed with a bronze medal seat (26), and the internal face of this second hole portion (25) is provided with an internal thread (30).
This internal thread (30) is made by the internal screw thread (31) of a continuous shape, its facing towards these body (20) first end faces (21) is one first internal tooth surface (32), facing towards these body (20) second end faces (22) is one second internal tooth surface (33), and this first internal tooth surface (32) accompanies one first angle theta with this body (20) axial line
1, and this second internal tooth surface (33) accompanies one second angle theta with this body (20) axial line
2This first internal tooth surface (32) certainly this internal screw thread (31) tooth peak to this tooth paddy distance greater than this second internal tooth surface (33) certainly this internal screw thread (31) tooth peak to this tooth paddy distance, and this first angle theta
1Less than this second angle theta
2In addition, this second internal tooth surface (33) is in partially locating to have one first protuberance (34) by this first internal tooth surface (32), and this second internal tooth surface (33) partially by tooth paddy place have one by this second internal tooth surface (33) to recessed first recess (35) of this first internal tooth surface (32).
One lid (40) (as shown in Figure 3), have an end face (41) and a bottom surface (42), and this lid (40) periphery is provided with an external screw thread (50), and this lid (40) is screwed togather with its bottom surface (42) mode and this body (20) towards second end face (22) of this body (20).This external screw thread (50) is to be made by the external screw teeth (51) of a continuous shape, its facing towards this lid (40) end face (41) is one first external facing (52), and the facing towards this lid (40) bottom surface (42) is one second external facing (53), and this first external facing (52) accompanies one the 3rd angle theta with this lid (40) axial line
3, this second external facing (53) accompanies one the 4th angle theta with this lid (40) axial line
4
First external facing (52) of this external screw teeth (51) certainly this external screw teeth (51) tooth peak to tooth paddy distance greater than this second external facing (53) certainly this external screw teeth (51) tooth peak to tooth paddy distance, and the 3rd angle theta
3Less than the 4th angle theta
4In addition, this second external facing (53) is in partially locating to have one second protuberance (54) by this first external facing (52), and this second external facing (53) partially by tooth paddy place have one by this second external facing (53) to recessed second recess (55) of this first external facing (52).
Please in conjunction with consulting Fig. 4, when this lid (40) spiral shell is established into this body (20), first internal tooth surface (32) of this body (20) internal screw thread (31) pastes with first external facing (52) of this lid (40) external screw teeth (51) and supports, and second internal tooth surface (33) of this body (20) is to paste mutually with second external facing (53) of this lid (40) to support, make first protuberance (34) of this body (20) slightly interfere second external facing (53) of this lid (40), and second protuberance (54) of this lid (40) is slightly interfered second internal tooth surface (33) of this body (20), and forms the state that this lid (40) and this body (20) closely screw togather.
Via above-mentioned structure, because the internal thread (30) of this body (20) is interfered mutually with the external screw thread (50) of this lid (40), make this body (20) and this lid (40) more can closely screw togather, improve the shortcoming that common structure gets loose because of vibrations easily really.
Claims (20)
1. carbon brush holder insulating base frame includes:
One body, make by thermosets, have one first end face and one second end face, an and perforation that runs through this first, second end face, this perforation has from the one first hole portion of this first end face to this second end face extension, and one this first hole portion that continues extend to the second hole portion of this second end face, this first hole portion is installed with a bronze medal seat, is equipped with an internal thread on the hole wall of this second hole portion;
One lid, its periphery ring are provided with the external screw thread of this body internal thread of cooperation, and this lid is incorporated in the second hole portion of this body with this external screw thread;
It is characterized in that: this internal thread is made of the internal screw thread of a continuous shape, and its facing towards this body first end face is one first internal tooth surface, and is one second internal tooth surface towards the facing of this body second end face; This first internal tooth surface from this internal screw thread tooth peak to tooth paddy distance greater than this second internal tooth surface from this internal screw thread tooth peak to tooth paddy distance; Again, this second internal tooth surface has one first protuberance in abutting connection with this first internal tooth surface place.
2. according to the described carbon brush holder insulating base frame of claim 1, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
3. according to the described carbon brush holder insulating base frame of claim 1, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
4. according to the described carbon brush holder insulating base frame of claim 1, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
5. according to the described carbon brush holder insulating base frame of claim 1, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
6. carbon brush holder insulating base frame includes:
One body, made by thermosets, have one first end face and one second end face, an and perforation that runs through this first, second end face, this perforation has from the one first hole portion of this first end face to this second end face extension, and one this first hole portion that continues extend to the second hole portion of this second end face, this first hole portion is installed with a bronze medal seat, is equipped with an internal thread on the hole wall of this second hole portion;
One lid, its periphery ring are provided with the external screw thread of this body internal thread of cooperation, and this lid is incorporated in the second hole portion of this body with this external screw thread;
It is characterized in that: this internal thread is made of the internal screw thread of a continuous shape, and its facing towards this body first end face is one first internal tooth surface, and is one second internal tooth surface towards the facing of this body second end face; This first internal tooth surface and this body axle center wire clamp have one first angle, and this second internal tooth surface and this body axle center wire clamp have one second angle, and this first angle is less than this second angle setting; Again, this second internal tooth surface has one first protuberance in abutting connection with this first internal tooth surface place.
7. according to the described carbon brush holder insulating base frame of claim 6, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
8. according to the described carbon brush holder insulating base frame of claim 6, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
9. according to the described carbon brush holder insulating base frame of claim 6, it is characterized in that wherein this lid has an end face and a bottom surface, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
10. according to the described carbon brush holder insulating base frame of claim 6, wherein, this lid has an end face and a bottom surface, and the bottom surface of this lid screws togather towards second end face and this body of this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
11. a carbon brush holder insulating base frame includes:
One body, make by thermosets, have one first end face and one second end face, an and perforation that runs through this first, second end face, this perforation has from the one first hole portion of this first end face to this second end face extension, and one this first hole portion that continues extend to the second hole portion of this second end face, this first hole portion is in order to being installed with a bronze medal seat, and is equipped with an internal thread on the hole wall of this second hole portion;
One lid, its periphery ring are provided with the external screw thread of this body internal thread of cooperation, and this lid is incorporated in the second hole portion of this body with this external screw thread;
It is characterized in that: this internal thread is made of the internal screw thread of a continuous shape, and its facing towards this body first end face is one first internal tooth surface, and is one second internal tooth surface towards the facing of this body second end face; This first internal tooth surface from this internal screw thread tooth peak to tooth paddy distance greater than this second internal tooth surface from this internal screw thread tooth peak to tooth paddy distance; Again, this second internal tooth surface has one first recess, and this first recess is recessed to this first internal tooth surface by this second internal tooth surface.
12., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 11, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
13., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 11, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
14., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 11, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
15., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 11, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
16. a carbon brush holder insulating base frame includes:
One body, make by thermosets, have one first end face and one second end face, an and perforation that runs through this first, second end face, this perforation has from the one first hole portion of this first end face to this second end face extension, and one this first hole portion that continues extend to the second hole portion of this second end face, this first hole portion is installed with a bronze medal seat, and is equipped with an internal thread on the hole wall of this second hole portion;
One lid, its periphery ring are provided with the external screw thread of this body internal thread of cooperation, and this lid is incorporated in the second hole portion of this body with this external screw thread;
It is characterized in that: this internal thread is made of the internal screw thread of a continuous shape, and its facing towards this body first end face is one first internal tooth surface, and is one second internal tooth surface towards the facing of this body second end face; This first internal tooth surface and this body axle center wire clamp have one first angle, and this second internal tooth surface and this body axle center wire clamp have one second angle, and this first angle is less than this second angle setting; Again, this second internal tooth surface has one first recess, and this first recess is recessed to this first internal tooth surface by this second internal tooth surface.
17., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 16, the bottom surface of this lid screws togather towards second end face and this body of this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this thread tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
18., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 16, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second protuberance in abutting connection with this first external facing place.
19., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 16, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; First external facing of this external screw teeth from this external screw teeth tooth peak to tooth paddy distance greater than this second external facing from this external screw teeth tooth peak to tooth paddy distance; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
20., it is characterized in that wherein this lid has an end face and a bottom surface according to the described carbon brush holder insulating base frame of claim 16, the bottom surface of this lid screws togather towards this body second end face and this body; The external screw thread of this lid is made of the external screw teeth of a continuous shape, and its facing towards this lid end face is one first external facing, and the facing towards this lid bottom surface is one second external facing; The axial line of this first external facing and this lid accompanies one the 3rd angle, and the axial line of this second external facing and this lid accompanies one the 4th angle, and the 3rd angle is less than the 4th angle setting; Again, this second external facing has one second recess, and this second recess is recessed to this first external facing by this second external facing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004906 CN2741258Y (en) | 2004-03-03 | 2004-03-03 | Insulating base of carbon brush holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004906 CN2741258Y (en) | 2004-03-03 | 2004-03-03 | Insulating base of carbon brush holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741258Y true CN2741258Y (en) | 2005-11-16 |
Family
ID=35351536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420004906 Expired - Lifetime CN2741258Y (en) | 2004-03-03 | 2004-03-03 | Insulating base of carbon brush holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741258Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226476A (en) * | 2014-06-25 | 2016-01-06 | 西安立科环保科技有限公司 | A kind of novel overall carbon brush holder |
-
2004
- 2004-03-03 CN CN 200420004906 patent/CN2741258Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226476A (en) * | 2014-06-25 | 2016-01-06 | 西安立科环保科技有限公司 | A kind of novel overall carbon brush holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140303 Granted publication date: 20051116 |