CN209692114U - A kind of cooling fan carbon brush - Google Patents

Abstract

The utility model discloses a kind of cooling fan carbon brush, it is related to carbon brush technical field, specifically include installation copper sheet, elastic hose is fixedly installed between installation copper sheet and sleeve, and carbon block is installed in sleeve, the four sides side wall of carbon block with the inner sidewall sliding contact of sleeve, spring is fixedly installed at the center of carbon block upper surface, and the other end of spring is fixedly connected with the inner bottom wall of installation copper sheet, vertically disposed sliding chamber there are two being opened up in carbon block, and two sliding chambers are symmetrically distributed in the two sides of spring, it is acted in the elastic force of elastic hose and spring, so that the progress sliding contact of the contact point of bottom of the carbon block and automobile engine cooling fan motor is even closer, and sleeve effectively reduces carbon block by extraneous pollution, spot is not easy to be attached in carbon block in motor, also ensure carbon brush in brush carrier without bounce by sleeve, shake or The case where bite, so that carbon brush is more stable, effect is more preferable.

Description

A kind of cooling fan carbon brush

Technical field

The utility model relates to a kind of carbon brush technical field, specifically a kind of cooling fan carbon brush.

Background technique

Carbon brush be between motor or generator or the fixed part and rotating part of other rotating machineries transmit energy or The device of signal, carbon brush well known to traditional market are all made of conductive sheet, conductor wire, propelling spring and electrical carbon.

And the carbon brush of automobile engine cooling fan motor is easy the pollution by the external world, spot is easily attached to carbon in motor On block, while carbon brush may be there is a situation where bounce, shake or bite in brush carrier, and the stability of carbon brush is not strong, for above-mentioned Problem, it is proposed that a kind of cooling fan carbon brush.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of cooling fan carbon brush Problem.

To achieve the above object, the utility model provides the following technical solutions:

A kind of cooling fan carbon brush, including installation copper sheet, are fixedly mounted flexible between installation copper sheet and the sleeve Hose, and carbon block is installed in sleeve, spring, the other end and peace of spring are fixedly installed at the center of the carbon block upper surface The inner bottom wall of dress copper sheet is fixedly connected, and conducting wire is equipped in the spring, is opened up in the carbon block there are two vertically disposed sliding chamber, And two sliding chambers are symmetrically distributed in the two sides of spring；Vertically disposed threaded hole there are two being opened up on the installation copper sheet, and spiral shell It is inserted with the threaded rod of threaded connection in pit, is fixedly installed at the top of the threaded rod and turns girl, and the bottom of threaded rod is solid Dingan County is equipped with limited post, and the bottom of the limited post is fixedly installed with vertically disposed slide bar, and slide bar is plugged to right in carbon block The cunning answered is intracavitary and is slidably connected with sliding chamber.

As a further solution of the present invention: one end of the conducting wire is electrically connected with the conductive rod in carbon block, conducting wire The other end and installation copper sheet at the top of the shunt welding line that is fixedly welded be electrically connected, the other end of the shunt welding line is fixedly connected with conduction Inserted sheet.

As a further solution of the present invention: the conducting wire is in the shape of a spiral, and the height of the length of conducting wire and sleeve It is identical.

As a further solution of the present invention: the threaded rod, limited post and slide bar are concentric, and limited post with The diameter of sliding chamber matches, and the slide bar is smaller than the diameter of sliding chamber.

As a further solution of the present invention: the four sides side wall of the carbon block connects with the sliding of the inner sidewall of sleeve Touching.

As a further solution of the present invention: the lateral wall of the limited post is enclosed with conehead rubber sleeve directed downwardly.

Compared with prior art, the utility model has the beneficial effects that

The utility model is acted in the elastic force of elastic hose and spring, so that bottom of the carbon block and automobile engine cooling fan The contact point of motor carries out that sliding contact is even closer, and sleeve effectively reduces carbon block by extraneous pollution, in motor Spot is not easy to be attached in carbon block.

The case where the utility model also ensures carbon brush in brush carrier without bounce, shake or bite by sleeve, so that carbon Brush is more stable, and effect is more preferable.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of cooling fan carbon brush.

Fig. 2 is a kind of schematic diagram of internal structure of cooling fan carbon brush.

Fig. 3 is a kind of structural schematic diagram of spring inside conductor in cooling fan carbon brush.

In figure: 1, copper sheet is installed；2, elastic hose；3, sleeve；4, carbon block；5, spring；6, conducting wire；7, sliding chamber；8, screw thread Bar；9, turn girl；10, limited post；11, slide bar；12, shunt welding line；13, conductive insert.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of cooling fan carbon brush, including installation copper sheet 1, installation Be fixedly installed with elastic hose 2 between copper sheet 1 and sleeve 3, and carbon block 4 be installed in sleeve 3, the four sides side wall of carbon block 4 with The inner sidewall sliding contact of sleeve 3 is fixedly installed with spring 5, and the other end and peace of spring 5 at the center of 4 upper surface of carbon block The inner bottom wall of dress copper sheet 1 is fixedly connected, and conducting wire 6 is equipped in spring 5, is opened up in carbon block 4 there are two vertically disposed sliding chamber 7, And two sliding chambers 7 are symmetrically distributed in the two sides of spring 5；Vertically disposed threaded hole there are two being opened up on installation copper sheet 1, and screw thread The threaded rod 8 of threaded connection is inserted in hole, the top of threaded rod 8, which is fixedly installed with, turns girl 9, and the bottom of threaded rod 8 is fixed Limited post 10 is installed, and the lateral wall of limited post 10 is enclosed with conehead rubber sleeve directed downwardly, the fixed peace in the bottom of limited post 10 Equipped with vertically disposed slide bar 11, and slide bar 11 is plugged in sliding chamber 7 corresponding in carbon block 4 and with sliding chamber 7 and is slidably connected.

It should be understood that rotation two turn girl 9 make limited post 10 with installation copper sheet 1 inner bottom wall contact, pass through by Carbon block 4 plugs to sleeve 3 (bottom of carbon block 4 is in outside sleeve 3) from the bottom of sleeve 3, and make elastic hose 2 and Spring 5 is in tight compression state, and two slide bars 11 are plugged respectively into carbon block 4 in corresponding sliding chamber 7 at this time, successively rotates two It is a to turn girl 9, so that limited post 10 slides into the cunning chamber 7 that carbon block 4 opens up, since the rubber sleeve wrapped up on limited post 10 has bullet Property, sliding chamber 7 is slid by extruding force, completes fixation of the carbon block 4 in sleeve 3；Subsequently through staff by carbon block 4 and vapour The contact point of vehicle engine cooling fan motor carries out sliding contact, and conductive insert 13 is corresponding with automobile engine cooling fan motor Connecting pin be electrically connected；Rotate two after the completion and turn girl 9, limited post 10 is skidded off into sliding chamber 7, thus in elastic hose 2 and The elastic force of spring 5 acts on, so that 4 bottom of carbon block and the contact point of automobile engine cooling fan motor carry out sliding contact and more step up It is close, and sleeve 3 effectively reduces carbon block 4 by extraneous pollution, while also ensuring carbon brush in brush carrier without bounce, shake Or the case where bite.

Wherein, in the shape of a spiral, and the length of conducting wire 6 is identical as the height of sleeve 3 for conducting wire 6, one end of conducting wire 6 and carbon block 4 On conductive rod electrical connection, the other end of conducting wire 6 is electrically connected with the shunt welding line 12 being fixedly welded at the top of copper sheet 1 is installed, shunt welding line 12 other end is fixedly connected with conductive insert 13, and the length long enough of conducting wire 6 ensure that carbon brush can work normally.

Wherein, threaded rod 8, limited post 10, slide bar 11 and sliding chamber 7 are concentric, and the diameter phase of limited post 10 and sliding chamber 7 Matching, for limited post 10 after covering upper cone rubber set, the external force applied by threaded rod 8 can slide into sliding chamber 7, and slide bar 11 compares The diameter of sliding chamber 7 is small.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of cooling fan carbon brush, including installation copper sheet (1), are fixedly mounted between the installation copper sheet (1) and sleeve (3) Flexible hose (2), and carbon block (4) are installed in sleeve (3), which is characterized in that consolidate at the center of carbon block (4) upper surface Dingan County is equipped with spring (5), and the other end of spring (5) is fixedly connected with the inner bottom wall of installation copper sheet (1), in the spring (5) Equipped with conducting wire (6), opened up on the carbon block (4) there are two vertically disposed sliding chamber (7), and two sliding chambers (7) are symmetrically distributed in The two sides of spring (5)；Vertically disposed threaded hole there are two being opened up on the installation copper sheet (1), and spiral shell is inserted in threaded hole The threaded rod (8) of line connection, is fixedly installed at the top of the threaded rod (8) and turns girl (9), and the bottom of threaded rod (8) is fixed It is equipped with limited post (10), the bottom of the limited post (10) is fixedly installed with vertically disposed slide bar (11), and slide bar (11) It plugs interior to sliding chamber (7) corresponding on carbon block (4) and is slidably connected with sliding chamber (7).

2. a kind of cooling fan carbon brush according to claim 1, which is characterized in that one end of the conducting wire (6) and carbon Shunt welding line (12) electricity that conductive rod electrical connection on block (4), the other end of conducting wire (6) and installation copper sheet (1) top are fixedly welded Connection, the other end of the shunt welding line (12) are fixedly connected with conductive insert (13).

3. a kind of cooling fan carbon brush according to claim 1, which is characterized in that the conducting wire (6) in the shape of a spiral, and The length of conducting wire (6) is identical as the height of sleeve (3).

4. a kind of cooling fan carbon brush according to claim 1, which is characterized in that the threaded rod (8), limited post (10) and slide bar (11) is concentric, and limited post (10) and the diameter of sliding chamber (7) match, and the slide bar (11) is than sliding chamber (7) diameter is small.

5. a kind of cooling fan carbon brush according to claim 1, which is characterized in that the four sides side wall of the carbon block (4) With the inner sidewall sliding contact of sleeve (3).

6. a kind of cooling fan carbon brush according to claim 1, which is characterized in that the lateral wall of the limited post (10) It is enclosed with conehead rubber sleeve directed downwardly.