CN203910408U - Proportion electromagnet - Google Patents
Proportion electromagnet Download PDFInfo
- Publication number
- CN203910408U CN203910408U CN201420359865.2U CN201420359865U CN203910408U CN 203910408 U CN203910408 U CN 203910408U CN 201420359865 U CN201420359865 U CN 201420359865U CN 203910408 U CN203910408 U CN 203910408U
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- CN
- China
- Prior art keywords
- housing
- magnet
- armature
- proportion electro
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a proportion electromagnet. The proportion electromagnet comprises a shell, yokes, a coil, armatures, an inner cover and an adjustment screw, wherein the coil is wound on the sidewall of the shell; step holes run through the two ends of the shell; guide sleeves are sleeved at the lower ends of the step holes; the armatures are of hollow structures and slidably matched in the guide sleeves; the yokes are fixed at the lower ends of the guide sleeves; push rods are arranged at the lower ends of the armatures; the push rods penetrate through the yokes and extend to the outside of the shell; limit plates are arranged on the upper end surfaces of the yokes; the inner cover is sleeved at the upper ends of the step holes; a thread hole is formed in the inner cover; the adjusting screw is installed in the thread hole; a spring is arranged between the adjustment screw and the armatures; the upper end of the shell is in threaded connection with an upper end cover; the lower end of the shell is provided with a lower end cover; a central hole for the push rods to penetrate through is formed in the lower end cover; a sealing lip is arranged between the central hole and the push rods. The proportion electromagnet provided by the utility model is simple in structure, low in inertia, high in response speed and high in running accuracy.
Description
Technical field
The utility model relates to a kind of electromagnet, particularly a kind of proportion electro-magnet.
Background technology
Proportion electro-magnet is a kind of DC electromagnet, is mainly from the different of common commutation valve control electromagnet, and the thrust output of proportion electro-magnet and the coil current of input are substantially proportional.This characteristic makes proportion electro-magnet can be used as the signal feeding element in hydraulic valve.Tradition proportion electro-magnet complex structure, inertia is large, response speed is rough and precision is low.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, provide a kind of simple in structure, inertia is little, fast response time and the high proportion electro-magnet of precision.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of proportion electro-magnet, comprise housing 1, yoke 2, coil 3, armature 4, inner cap 5 and adjustment screw 6, described coil 3 is wrapped in the sidewall of described housing 1, the two ends of described housing 1 are penetrated with shoulder hole, the lower end of described shoulder hole is arranged with guide pin bushing 7, described armature 4 is hollow-core construction and sliding fitting in described guide pin bushing 7, described yoke 2 is fixed on the lower end of described guide pin bushing 7, the lower end of described armature 4 is provided with push rod 8, described push rod 8 passes described yoke 2 and extends to outside described housing 1, the upper surface of described yoke 2 is provided with limiting plate 9, described inner cap 5 is set in the upper end of described shoulder hole, on described inner cap 5, offer the screwed hole coaxial with described shoulder hole, described adjustment screw 6 cooperations are arranged in described screwed hole, between described adjustment screw 6 and described armature, be provided with spring 10, the upper end of described housing 1 upper end cover 11 that has been threaded, between described upper end cover and described housing, be provided with elastomeric element 12, the lower end of described housing is provided with bottom end cover 13, on described bottom end cover 13, offer and hold the centre bore that described push rod 8 passes, between described centre bore and described push rod 8, be provided with sealing lip 14.
Further, the sidewall of described armature 4 offers annular groove, is arranged with the first magnetism-isolating loop 15 in described annular groove.
Further, the inwall of described guide pin bushing 7 is provided with the second magnetism-isolating loop 16, and described the second magnetism-isolating loop 16 is positioned on the motion path of described the first magnetism-isolating loop.
Further, described elastomeric element 12 is wavy spring.
Further, described limiting plate 9 is made by rubber.
(3) beneficial effect
The utility model proportion electro-magnet, simple in structure, inertia is little, fast response time and running precision high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model proportion electro-magnet;
Fig. 2 is the structural representation of the housing of the utility model proportion electro-magnet;
Fig. 3 is A portion enlarged drawing in Fig. 1.
Embodiment
Consult Fig. 1～Fig. 3, the utility model provides a kind of proportion electro-magnet, comprise housing 1, yoke 2, coil 3, armature 4, inner cap 5 and adjustment screw 6, coil 3 is wrapped in the sidewall of housing 1, two ends at housing 1 are penetrated with shoulder hole, in the lower end of this shoulder hole, be arranged with guide pin bushing 7, armature 4 in the present embodiment is hollow-core construction and sliding fitting in guide pin bushing 7, yoke 2 is fixed on the lower end of guide pin bushing 7, in the lower end of armature 4, be provided with push rod 8, this push rod 8 passes yoke 2 and extends to outside housing 1, in the upper surface of yoke 2, be provided with limiting plate 9, in the present embodiment, this limiting plate 9 is made by rubber, in the time of spacing, there is buffering effect, inner cap 5 is set in the upper end of shoulder hole, on inner cap 5, offer the screwed hole coaxial with shoulder hole, adjustment screw 6 cooperations are arranged in this screwed hole, between adjustment screw 6 and armature, be provided with spring 10, upper end cover 11 has been threaded in the upper end of housing 1, between this upper end cover and housing, be provided with elastomeric element 12, in the present embodiment, this elastomeric element is wavy spring, in the lower end of housing, be provided with bottom end cover 13, on bottom end cover 13, offer and hold the centre bore that push rod 8 passes, between centre bore and push rod 8, be provided with sealing lip 14, in order to reduce influence of magnetic field, improve running precision, at the sidewall of armature 4, offer annular groove, in this annular groove, be arranged with the first magnetism-isolating loop 15, inwall at guide pin bushing 7 is provided with the second magnetism-isolating loop 16 simultaneously, and this second magnetism-isolating loop 16 is positioned on the motion path of the first magnetism-isolating loop.
Utility model proportion electro-magnet, simple in structure, inertia is little, fast response time and running precision high.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a proportion electro-magnet, it is characterized in that: comprise housing (1), yoke (2), coil (3), armature (4), inner cap (5) and adjustment screw (6), described coil (3) is wrapped in the sidewall of described housing (1), the two ends of described housing (1) are penetrated with shoulder hole, the lower end of described shoulder hole is arranged with guide pin bushing (7), described armature (4) is hollow-core construction and sliding fitting in described guide pin bushing (7), described yoke (2) is fixed on the lower end of described guide pin bushing (7), the lower end of described armature (4) is provided with push rod (8), described push rod (8) passes described yoke (2) and extends to outside described housing (1), the upper surface of described yoke (2) is provided with limiting plate (9), described inner cap (5) is set in the upper end of described shoulder hole, on described inner cap (5), offer the screwed hole coaxial with described shoulder hole, described adjustment screw (6) cooperation is arranged in described screwed hole, between described adjustment screw (6) and described armature, be provided with spring (10), the upper end of described housing (1) upper end cover (11) that has been threaded, between described upper end cover and described housing, be provided with elastomeric element (12), the lower end of described housing is provided with bottom end cover (13), on described bottom end cover (13), offer and hold the centre bore that described push rod (8) passes, between described centre bore and described push rod (8), be provided with sealing lip (14).
2. proportion electro-magnet as claimed in claim 1, is characterized in that: the sidewall of described armature (4) offers annular groove, is arranged with the first magnetism-isolating loop (15) in described annular groove.
3. proportion electro-magnet as claimed in claim 2, is characterized in that: the inwall of described guide pin bushing (7) is provided with the second magnetism-isolating loop (16), and described the second magnetism-isolating loop (16) is positioned on the motion path of described the first magnetism-isolating loop.
4. proportion electro-magnet as claimed in claim 1, is characterized in that: described elastomeric element (12) is wavy spring.
5. proportion electro-magnet as claimed in claim 1, is characterized in that: described limiting plate (9) is made by rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359865.2U CN203910408U (en) | 2014-07-01 | 2014-07-01 | Proportion electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359865.2U CN203910408U (en) | 2014-07-01 | 2014-07-01 | Proportion electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910408U true CN203910408U (en) | 2014-10-29 |
Family
ID=51784665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420359865.2U Expired - Fee Related CN203910408U (en) | 2014-07-01 | 2014-07-01 | Proportion electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448460A (en) * | 2015-12-11 | 2016-03-30 | 苏州源硕精密模具有限公司 | Proportional electromagnet device |
| CN109630739A (en) * | 2018-12-06 | 2019-04-16 | 河南平高电气股份有限公司 | A kind of electromagnetic for electromagnetic valve |
-
2014
- 2014-07-01 CN CN201420359865.2U patent/CN203910408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448460A (en) * | 2015-12-11 | 2016-03-30 | 苏州源硕精密模具有限公司 | Proportional electromagnet device |
| CN109630739A (en) * | 2018-12-06 | 2019-04-16 | 河南平高电气股份有限公司 | A kind of electromagnetic for electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150701 |
|
| EXPY | Termination of patent right or utility model |