CN202076869U - Back end cover structure of motor of diaphragm pump - Google Patents
Back end cover structure of motor of diaphragm pump Download PDFInfo
- Publication number
- CN202076869U CN202076869U CN2011201642587U CN201120164258U CN202076869U CN 202076869 U CN202076869 U CN 202076869U CN 2011201642587 U CN2011201642587 U CN 2011201642587U CN 201120164258 U CN201120164258 U CN 201120164258U CN 202076869 U CN202076869 U CN 202076869U
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- end cap
- lead
- out wire
- line ball
- shaped
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Abstract
The utility model discloses a back end cover structure of a motor of a diaphragm pump. The back end cover structure comprises an end cover body, a first outgoing wire and a second outgoing wire, wherein the centre of the enc cover body is provided with a lower concave bearing mounting cavity; the first outgoing wire and the second outgoing wire are led out from the inner part of the end cover body; the end cover body is provided with an coaxial through hole communicated with the bearing mounting cavity; the coaxial through hole is clamped with a protective cover; the end cover body is provided with a wire convex post and an annular clamp convex edge; the clamp convex edge is provided with at least one notch; the first and the second outgoing wires both surround the wire convex post to be guided out through the notch at the clamp convex edge of the end cover body; and the wire convex column is provided with a wire gasket. The outgoing wire of the back end cover structure adopts the method of outgoing from the edge, and the coaxial through hole is arranged, so that the back end cover structure has the characteristics of simple structure and convenience in mounting, therefore, the speed of assembling products is greatly increased, and the production efficiency is improved.
Description
Technical field
The utility model relates to the membrane pump end cover structure, specially refers to the back end cover for motor fit structure of membrane pump inside, specifically a kind of diaphragm pump motor rear end cap structure.
Background technology
Membrane pump is mainly used in the water purifier.The pump head assembly that the diaphragm pump motor structure comprises electric machine casing, rotor assembly, front end housing, rear end cap, brush assembly of electric, magnetic shoe and is complementary.Diaphragm pump motor front end housing and rear end cap are installed in the rear and front end of electric machine casing respectively by assembling bolt.Back end cover for motor in the market is shaped on fairlead usually on end cap, the axle center of fairlead parallels with the axle center of rotor, draw through fairlead with the lead-out wire that the motor brush electrical component is connected, generally in order to prevent that lead-out wire from being broken or pulling out, fairlead employing glue class etc. is carried out sealing and fixing with lead-out wire, this method cost height, complex process, and when normal phase of motor, operation produced high temperature, the stability of glue class is affected easily, therefore can not better meet the demand in market, also have a strong impact on the efficiency of assembling of product.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of diaphragm pump motor rear end cap structure is provided, the method that its lead-out wire adopts the edge to draw, have simple in structure, characteristics easy for installation can increase the assembling speed of product widely, enhance productivity.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of diaphragm pump motor rear end cap structure, comprise that the center is shaped on the end cap body in recessed Bearing Installation chamber and by first lead-out wire of drawing in the end cap body and second lead-out wire, the end cap body is shaped on the coaxial through-hole that is communicated with the Bearing Installation chamber, the coaxial through-hole card is joined protecting cover is installed, and be shaped on line ball projection and annular screens chimb on the end cap body, the screens chimb leaves a breach at least, first lead-out wire and second lead-out wire all detour the line ball projection after the indentation, there of end cap body screens chimb is drawn, and the line ball projection is fitted with the line ball pad.
For optimizing technique scheme, the concrete measure of taking also comprises:
The breach of above-mentioned screens chimb is equipped with the elastic caoutchouc sheath, and first lead-out wire and second lead-out wire pass the centre bore of elastic caoutchouc sheath and draw, and the line ball pad is installed on the line ball projection through the housing screw screw-tightened.
Above-mentioned end cap body is shaped on the hollow cylinder of ring line ball projection, hollow cylinder and line ball projection are formed with the annular cavity of ring line ball projection, first lead-out wire and second lead-out wire are left-handed respectively in annular cavity draws behind the line ball projection with dextrorotation, and the height of hollow cylinder is lower than the height of line ball projection.
The bottom of above-mentioned annular cavity is shaped on the muscle sheet of strengthening the line ball projection.Above-mentioned annular screens chimb periphery is shaped on a locating convex block at least.Symmetry is shaped on the assembling connecting hole on the above-mentioned end cap body, is shaped on the arc protection chimb that assembling bolt is had the guide fence effect on the boss of assembling connecting hole.Be shaped on first on the above-mentioned end cap body and connect guard post and be connected guard post with second, the top that opens that opens the top and second lead-out wire of first lead-out wire inserts respectively and is provided in first and is connected guard post and is connected in the guard post with second.
The top that opens of above-mentioned first lead-out wire welds mutually with the first carbon brush group power line of carbon brush component, and the top that opens of second lead-out wire welds mutually with the second carbon brush group power line of carbon brush component.Carbon brush component is arranged in the brush hole, and brush hole afterbody is set pair of L font fixed dam on the end cap body edges step, and fixed dam blocks the brush copper sheet of carbon brush component, and brush hole chute afterbody is provided with two salient points.Guarantee can not cause electric fault because of the brush copper sheet gets loose afterwards to contact with housing.
Compared with prior art, end cap body of the present utility model is shaped on the coaxial through-hole that is communicated with the Bearing Installation chamber, the coaxial through-hole card is joined protecting cover is installed, also be shaped on line ball projection and annular screens chimb on the end cap body, the screens chimb leaves a breach, first lead-out wire and second lead-out wire all detour the line ball projection after the indentation, there of end cap body screens chimb is drawn, and the line ball projection is fitted with and is fixed first lead-out wire and the second lead-out wire line ball pad.Advantage of the present utility model is: the Bearing Installation chamber has coaxial through-hole; can improve the equipped speed of brush assembly of electric and rotor better; make assembling process simple and convenient; lead-out wire is drawn and is cooperated the elastic caoutchouc sheath can flexibility compress lead-out wire from the indentation, there of screens chimb; can not only protect the safety of lead-out wire not have damaged; make lead-out wire can bear the pulling-out force that meets national standard simultaneously; it is simple in structure; assembling easily; can improve the assembling speed of product widely; effectively reduce the cost of manufacture of product, improve effectiveness of operation.
Description of drawings
Fig. 1 is the structural representation of embodiment of the present utility model;
Fig. 2 is that looking up of Fig. 1 partly cutd open schematic diagram;
Fig. 3 is a perspective view of the present utility model;
Fig. 4 is the utility model and motor assembling schematic diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 4 shows that structural representation of the present utility model.
Reference numeral wherein is: end cap body 1, Bearing Installation chamber 1a, coaxial through-hole 1b, annular cavity 1c, line ball projection 11, annular screens chimb 12, breach 12a, hollow cylinder 13, muscle sheet 14, first connects guard post 15, second connects guard post 16, locating convex block 17, carbon brush holder 18, protecting cover 2, first lead-out wire 31, second lead-out wire 32, line ball pad 4, housing screw 41, elastic caoutchouc sheath 5, assembling connecting hole 6, boss 61, arc protection chimb 62, assembling bolt 7, carbon brush component 8, motor housing 9, location notch 91.
As shown in Figures 1 to 4, a kind of diaphragm pump motor rear end cap structure of the present utility model, comprise that the center is shaped on the end cap body 1 of recessed Bearing Installation chamber 1a and by first lead-out wire 31 of drawing in the end cap body 1 and second lead-out wire 32, end cap body 1 is shaped on the coaxial through-hole 1b that is communicated with Bearing Installation chamber 1a, coaxial through-hole 1b card is joined protecting cover 2 is installed, and be shaped on line ball projection 11 and annular screens chimb 12 on the end cap body 1, screens chimb 12 leaves a breach 12a at least, first lead-out wire 31 and second lead-out wire 32 all detour line ball projection 11 after draw at the breach 12a place of end cap body screens chimb 12, and line ball projection 12 is fitted with line ball pad 4.Lead-out wire of the present utility model adopts the method for drawing from the edge, in order to improve the holding capacity that pulls of lead-out wire, end cap body 1 is shaped on line ball projection 11, line ball projection 11 can increase the frictional resistance of lead-out wire, prevent that lead-out wire from coming off, line ball pad 4 is installed on the line ball projection 11, line ball pad 4 can compress lead-out wire with suitable pressure fixing, as shown in Figure 4, be shaped on screens chimb 12 on the end cap body 1, like this, end cap body 1 is when being equipped with motor housing 9, screens chimb 12 is stuck in the internal perisporium of motor housing 9, can play positioning action, prevent end cap body 1 radial deflection, motor housing 9 is shaped on the recess that matches with the breach 12a of screens chimb 12, end cap body 1 can compress first lead-out wire 31 and second lead-out wire 32 with motor housing 9 naturally by the fastening of assembling bolt 7, makes lead-out wire can bear the pulling-out force that meets national standard.Bearing Installation of the present utility model chamber 1a has coaxial through-hole 1b, the effect of coaxial through-hole 1b is to make end cap body 1 convenient when being equipped with motor, people can make the carbon brush component 8 that is installed in the end cap body carbon brush holder 18 equipped with rotor easily by coaxial through-hole 1b, coaxial through-hole 1b is fitted with protecting cover 2, protecting cover 2 adopts colloid and coaxial through-hole 1b sealing to clamp behind finished product, coaxial through-hole 1b mainly is for the ease of assembling, enhance productivity, it is water-tight that protecting cover 2 can reach after encapsulation process, air tight, guarantee that motor motor bearings under certain humidity situation is difficult for getting rusty, motor windings is moisture-sensitive not, has further prolonged motor useful life.
As shown in Figure 3, the breach 12a of screens chimb 12 is equipped with the centre bore that elastic caoutchouc sheath 5, the first lead-out wires 31 and second lead-out wire 32 pass elastic caoutchouc sheath 5 and draws, and line ball pad 4 is installed on the line ball projection 11 through housing screw 41 screw-tightened.Among the embodiment, for first lead-out wire 31 and second lead-out wire 32 are not damaged in the assembling compaction process, can guarantee that again it bears corresponding pulling-out force, the utility model adopts elastic caoutchouc sheath 5 as protective jacket, and end cap body 1 compresses elastic caoutchouc sheath 5 with motor housing 9 makes lead-out wire can bear the pulling-out force that meets national standard.
Among the embodiment, as shown in Figure 1 to Figure 3, end cap body 1 is shaped on the hollow cylinder 13 of ring line ball projection 11, hollow cylinder 13 is formed with the annular cavity 1c that encircles line ball projection 11 with line ball projection 11, first lead-out wire 31 and second lead-out wire 32 are left-handed respectively in annular cavity 1c draws behind line ball projection 11 with dextrorotation, and the height of hollow cylinder 13 is lower than the height of line ball projection 11.Line ball projection 11 designs of the present utility model are in hollow cylinder 13, two lead-out wires are drawn behind line ball projection 11 big half cycles in annular cavity 1c at least, be shaped on annular cavity 1c and the half cycle purpose that detours is in order to increase lead-out wire and line ball projection 11 frictional force, prevent that lead-out wire is drawn out, cause to break to be directed at leak current fault.Be shaped on the muscle sheet 14 of reinforcement line ball projection 11 for the bottom of intensity that can further guarantee line ball projection 11 and the frictional force annular cavity 1c that strengthens lead-out wire.
Among the embodiment, annular screens chimb periphery is shaped on a locating convex block 17 at least, motor housing 9 of the present utility model is shaped on the location notch 91 that matches with locating convex block 17, locating convex block 17 snaps in the location notch 91 when assembling, can prevent that end cap body 1 from rotating, locating convex block 17 is shaped on one to four as required and gets final product.
Symmetry is shaped on assembling connecting hole 6 on the end cap body 1 of the present utility model, is shaped on the arc protection chimb 62 that assembling bolt 7 is had the guide fence effect on the boss 61 of assembling connecting hole 6.Arc protection chimb 62 just can satisfy the needs of technology, protects chimb certainly and also can make the hollow cylinder formula, for economical with materials, reduces cost, and the utility model selection has the protection chimb of arcuate structure.As shown in Figure 4, the assembling connecting hole 6 of end cap body 1 is passed in assembling bolt 7, is connected with the front end housing screw-tightened in motor housing 9 then, is assembled into a complete diaphragm pump motor.
Being shaped on first on the end cap body 1 of the present utility model connects guard post 15 is connected guard post 16, the first lead-out wires 31 with second the top that opens that opens the top and second lead-out wire 32 and inserts respectively and be provided in first and be connected guard post 15 and be connected in the guard post 16 with second.Carbon brush component 8 of the present utility model is installed in the carbon brush holder 18, carbon brush component 8 is divided into the first carbon brush group and the second carbon brush group, the power line of the first carbon brush group fixedly is inserted in first with opening of first lead-out wire 31 after top is welded to connect and is connected in the guard post 15, in like manner the second carbon brush group is identical with second lead-out wire 32, insert in the guard post mainly is in order to prevent that joint from leaking outside, the safety that influence connects.Carbon brush component 8 is arranged in the brush hole, and brush hole afterbody is set pair of L font fixed dam 82 on end cap body 1 edge step, and fixed dam 82 blocks the brush copper sheet 81 of carbon brush component 8, and brush hole chute afterbody is provided with two salient points 83.Guarantee can not cause electric fault because of the brush copper sheet gets loose afterwards to contact with housing.Relatively prior art the utlity model has assembling easily, and technology is simple, can significantly enhance productivity, and guarantees that lead-out wire is safe and reliable and meet force request, can effectively prolong motor useful life.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (9)
1. diaphragm pump motor rear end cap structure, comprise that the center is shaped on the end cap body (1) in recessed Bearing Installation chamber (1a) and by first lead-out wire (31) of drawing in the end cap body (1) and second lead-out wire (32), it is characterized in that: described end cap body (1) is shaped on the coaxial through-hole (1b) that is communicated with Bearing Installation chamber (1a), coaxial through-hole (1b) card is joined protecting cover (2) is installed, and be shaped on line ball projection (11) and annular screens chimb (12) on the end cap body (1), screens chimb (12) leaves a breach (12a) at least, described first lead-out wire (31) and second lead-out wire (32) all detour line ball projection (11) after the breach (12a) of end cap body screens chimb (12) is located to draw, and described line ball projection (12) is fitted with line ball pad (4).
2. a kind of diaphragm pump motor rear end cap structure according to claim 1, it is characterized in that: the breach (12a) of described screens chimb (12) is equipped with elastic caoutchouc sheath (5), described first lead-out wire (31) and second lead-out wire (32) pass the centre bore of elastic caoutchouc sheath (5) and draw, and described line ball pad (4) is installed on the line ball projection (11) through housing screw (41) screw-tightened.
3. a kind of diaphragm pump motor rear end cap structure according to claim 2, it is characterized in that: described end cap body (1) is shaped on the hollow cylinder (13) of ring line ball projection (11), hollow cylinder (13) is formed with the annular cavity (1c) that encircles line ball projection (11) with line ball projection (11), described first lead-out wire (31) and second lead-out wire (32) are left-handed respectively in annular cavity (1c) draws behind line ball projection (11) with dextrorotation, and the height of described hollow cylinder (13) is lower than the height of line ball projection (11).
4. a kind of diaphragm pump motor rear end cap structure according to claim 3 is characterized in that: the bottom of described annular cavity (1c) is shaped on the muscle sheet (14) of strengthening line ball projection (11).
5. a kind of diaphragm pump motor rear end cap structure according to claim 4 is characterized in that: described annular screens chimb periphery is shaped on a locating convex block (17) at least.
6. a kind of diaphragm pump motor rear end cap structure according to claim 5, it is characterized in that: described end cap body (1) is gone up symmetry and is shaped on assembling connecting hole (6), is shaped on the arc protection chimb (62) that assembling bolt (7) is had the guide fence effect on the boss (61) of assembling connecting hole (6).
7. a kind of diaphragm pump motor rear end cap structure according to claim 6, it is characterized in that: be shaped on first on the described end cap body (1) and connect guard post (15) and be connected guard post (16) with second, the top that opens that opens top and second lead-out wire (32) of described first lead-out wire (31) inserts respectively and is provided in first and is connected guard post (15) and is connected in the guard post (16) with second.
8. a kind of diaphragm pump motor rear end cap structure according to claim 7, it is characterized in that: the top that opens of described first lead-out wire (31) welds mutually with the first carbon brush group power line of carbon brush component (8), and the top that opens of described second lead-out wire (32) welds mutually with the second carbon brush group power line of carbon brush component (8).
9. a kind of diaphragm pump motor rear end cap structure according to claim 8, it is characterized in that: described carbon brush component (8) is arranged in the brush hole on end cap body (1) edge step, described brush hole afterbody is set pair of L font fixed dam (82), described fixed dam (82) blocks the brush copper sheet (81) of described carbon brush component (8), and described brush hole chute afterbody is provided with two salient points (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201642587U CN202076869U (en) | 2011-05-19 | 2011-05-19 | Back end cover structure of motor of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201642587U CN202076869U (en) | 2011-05-19 | 2011-05-19 | Back end cover structure of motor of diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076869U true CN202076869U (en) | 2011-12-14 |
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ID=45114946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201642587U Expired - Lifetime CN202076869U (en) | 2011-05-19 | 2011-05-19 | Back end cover structure of motor of diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911213A (en) * | 2012-02-24 | 2017-06-30 | 瑞美技术有限责任公司 | Alternator brush holder |
-
2011
- 2011-05-19 CN CN2011201642587U patent/CN202076869U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911213A (en) * | 2012-02-24 | 2017-06-30 | 瑞美技术有限责任公司 | Alternator brush holder |
| CN106911213B (en) * | 2012-02-24 | 2019-06-14 | 瑞美技术有限责任公司 | Alternator brush holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |
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| CX01 | Expiry of patent term |