CN202473795U - Hydraulic electromagnetic circuit breaker trip - Google Patents
Hydraulic electromagnetic circuit breaker trip Download PDFInfo
- Publication number
- CN202473795U CN202473795U CN2012201168307U CN201220116830U CN202473795U CN 202473795 U CN202473795 U CN 202473795U CN 2012201168307 U CN2012201168307 U CN 2012201168307U CN 201220116830 U CN201220116830 U CN 201220116830U CN 202473795 U CN202473795 U CN 202473795U
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- Prior art keywords
- sealed tube
- circuit breaker
- elastic sheet
- sheet metal
- fluid pressure
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- Expired - Lifetime
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Abstract
The utility model relates to a hydraulic electromagnetic circuit breaker trip, and mainly solves the problem that the assembly position precision of the existing hydraulic electromagnetic trip seal pipe can not be easily ensured and the problem of low work efficiency in the manual welding operation. The utility model is characterized in that a coil brace (1) is provided with a through hole (11); a seal pipe (3) penetrates through the through hole (11); the seal pipe is respectively sheathed by elastic metal sheets (4) corresponding to both ends of the through hole (11); each elastic metal sheet (4) is provided with a central hole (41); the seal pipe (3) and the central hole (41) of each elastic metal sheet (4) form an interference fit; and the seal pipe (3) is clamped on the coil brace (1) through the two elastic metal sheets (4). The hydraulic electromagnetic circuit breaker trip changes the fixing mode of the seal pipe and the coil brace, ensures the assembly position precision of the seal pipe, has the advantages of environmental protection and low cost, and enhances the assembly efficiency.
Description
Technical field
The utility model relates to a kind of circuit breaker, is specifically related to a kind of fluid pressure type electro-magnetic circuit breaker release.
Background technology
The fluid pressure type electro-magnetic circuit breaker is a kind of in the circuit breaker, has the function of overcurrent and short circuit duplicate protection, is widely used in industry and industries such as civilian automatic control, telecommunication equipment, communication apparatus.Existing fluid pressure type electro-magnetic circuit breaker mainly is made up of housing, operating mechanism, handle, moving contact, fixed contact, tripping mechanism, arc-extinguishing mechanism and fluid pressure type magnetictrip; Fluid pressure type magnetictrip wherein comprises coil brace and solenoid, is fixed with sealed tube on the coil brace, and sealed tube in the field of business is also referred to as lubricating cup or hydraulic cylinder; Be provided with iron core and spring in the sealed tube; The port of sealed tube is by the pole shoe shutoff, and pole shoe is also claimed end cap, and pole shoe is corresponding with the armature in the tripping mechanism during installation; Inject the hydraulic oil of certain viscosity in the sealed tube, solenoid is enclosed within outside the sealed tube.When the over proof electric current of electric current that solenoid passes through; The magnetic field that solenoid produces make iron core compression spring to pole shoe near and paste mutually with pole shoe, make pole shoe produce stronger magnetic force, attract armature movement; Circuit breaker tripping, the overload or short-circuit protection of realization circuit breaker.The hydraulic oil that injects in the sealed tube can play the effect of delayed releasing, and the moment overload current of avoiding producing in the circuit causes dropout, but does not influence the protection to sustained overload or short circuit.There is following technological deficiency in above-mentioned fluid pressure type magnetictrip: 1. when sealed tube and coil brace were assembled, sealed tube passed the through hole on the coil brace, weld through scolding tin, and not environmental protection, cost is high.Owing to adopt manual operations, sealed tube welds partially easily, and when assembling, positional precision can not guarantee that the operation efficiency of manual welding simultaneously is low.2. being connected between sealed tube and the pole shoe is the end of adopting the crush seal pipe, the outer wall of sealed tube caved inward compress mutually with pole shoe.Sealed tube is yielding, causes the iron core can not flexible motion within it, in addition iron core can not be fully and pole shoe fit, product percent of pass is low.
The utility model content
For the problem that the rigging position precision that solves existing fluid pressure type magnetictrip sealed tube is difficult to guarantee and the manual welding operation efficiency is low; The utility model provides a kind of fluid pressure type electro-magnetic circuit breaker release; This fluid pressure type electro-magnetic circuit breaker release has changed the fixed form of sealed tube and coil brace, has guaranteed the positional precision of sealed tube assembling, environmental protection; Cost is low, has improved packaging efficiency.
The technical scheme of the utility model is: a kind of fluid pressure type electro-magnetic circuit breaker release comprises coil brace, solenoid and sealed tube; Solenoid is wrapped in outside the sealed tube, cored and spring in the sealed tube, and the end of sealed tube is by being marked with hydraulic oil in pole shoe shutoff and the sealed tube; Coil brace is provided with through hole; Sealed tube passes through hole, and the two ends of corresponding through hole are arranged with elastic sheet metal respectively on the sealed tube, and elastic sheet metal is provided with centre bore; Interference fit between the centre bore of sealed tube and elastic sheet metal, sealed tube is clamped on the coil brace through two elastic sheet metals.
The centre bore edge of described elastic sheet metal is provided with at least one gap to side protrusion and in this edge.
Outward flange near the elastic sheet metal of solenoid one side extends bracing ring to the protrusion side at centre bore edge, the protrusion height at the not little edge of length of bracing ring.
Described gap is linear pattern, " V " type or rectangle.
Described gap is a linear pattern, and its quantity is 6.
The port of described sealed tube extends to form bell mouth shape laterally, and the inner face of pole shoe is provided with central boss, the sidewall of pole shoe to the center draw in and riveted in the port of sealed tube.
Described pressure apparatus is a cylinder, is equipped with on the piston rod of cylinder and the corresponding sleeve-like mould in elastic sheet metal edge.
The utlity model has following beneficial effect: owing to take such scheme; Adopt two elastic sheet metals that sealed tube is clamped on the coil brace, utilize the deformation elasticity of elastic sheet metal, elastic sheet metal is blocked sealed tube tightly and be clamped on the coil brace; When assembling; Utilize pressure apparatus that elastic sheet metal is pressed on the sealed tube, guaranteed the axiality of through hole on sealed tube and the coil brace, assembling back sealed tube can off-center; Guarantee the positional precision of sealed tube assembling, improved the qualification rate and the efficiency of assembling of product.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Accompanying drawing 2 is structure cutaway views of the utility model.
Accompanying drawing 3 is structural representations of elastic sheet metal 4 among Fig. 1.
Accompanying drawing 4 is structural representations of the another kind of execution mode of elastic sheet metal 4 among Fig. 1.
Accompanying drawing 5 is structure cutaway views of sealed tube 3 among Fig. 1.
1-coil brace among the figure, 11-through hole, 2-solenoid, 3-sealed tube, 31-iron core, 32-spring, 33-pole shoe, 4-elastic sheet metal, 41-centre bore, 42-gap, 43-bracing ring, 5-pad.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Combine Fig. 2-shown in Figure 5 by Fig. 1, a kind of fluid pressure type electro-magnetic circuit breaker release comprises coil brace 1, solenoid 2 and sealed tube 3, and solenoid 2 is wrapped in outside the sealed tube 3; In the sealed tube 3 cored 31 and spring 32; The end of sealed tube 3 is by being marked with hydraulic oil in pole shoe 33 shutoff and the sealed tube 3, and coil brace 1 is provided with through hole 11, and sealed tube 3 passes through hole 11; The two ends of corresponding through hole 11 are arranged with elastic sheet metal 4 respectively on the sealed tube 3; Elastic sheet metal 4 is provided with centre bore 41, interference fit between the centre bore 41 of sealed tube 3 and elastic sheet metal 4, and sealed tube 3 is clamped on the coil brace 1 through two elastic sheet metals 4.Owing to take technique scheme; Adopt two elastic sheet metals 4 that sealed tube 3 is clamped on the coil brace 1, utilize the deformation elasticity of elastic sheet metal 4, elastic sheet metal 4 is blocked sealed tube 3 tightly and be clamped on the coil brace 1; When assembling; Utilize the pressure apparatus elastic sheet metal 4 is pressed on the sealed tube 3, guaranteed the axiality of through hole 11 on sealed tube 3 and the coil brace 1, assembling back sealed tube 3 can off-center; Guarantee the positional precision of sealed tube 3 assemblings, improved the qualification rate and the efficiency of assembling of product.
Combined shown in Figure 4ly by Fig. 3, centre bore 41 edges of described elastic sheet metal 4 are provided with at least one gap 42 to side protrusion and in this edge.When being pressed into elastic sheet metal 4, penetrate sealed tube 3 from a side of concave surface, utilize the centre bore 41 edge generation deformation of elastic sheet metal 4.
By shown in Figure 4, the outward flange of described elastic sheet metal 4 near solenoid 2 one sides extends bracing ring 43 to the protrusion side at centre bore 41 edges, the protrusion height at the not little edge of length of bracing ring 43.After elastic sheet metal 4 assemblings, bracing ring 43 is close to coil brace 1, and is neat on the profile, attractive in appearance.
Combined shown in Figure 4ly by Fig. 3, described gap 42 is linear pattern, " V " type or rectangle.Preferred gap 42 is a linear pattern, and its quantity is 6.The above-mentioned shape of gap 42 is beneficial to centre bore 41 edge generation deformation.
By shown in Figure 5, the port of described sealed tube 3 extends to form bell mouth shape laterally, and the inner face of pole shoe 33 is provided with central boss, the sidewall of pole shoe 33 to the center draw in and riveted in the port of sealed tube 3.Sealed tube 3 inwalls can not deform, and the coaxial accuracy between sealed tube 3 inwalls and the iron core 31 can be ensured, the end face of iron core 31 can be adjacent to pole shoe 33, produces stronger magnetic attraction, and product percent of pass is high.
The number of assembling steps of above-mentioned fluid pressure type electro-magnetic circuit breaker release is following: 1. earlier on sealed tube 3, overlap Upper gasket 5, solenoid 2 and pad 5 successively, with pressure apparatus an elastic sheet metal 4 is pressed into the precalculated position on the sealed tube 3 then; 2. coil brace 1 is enclosed within on the sealed tube 3; With pressure apparatus another elastic sheet metal 4 is pressed on the sealed tube 3 again; Be close to until this elastic sheet metal 4 and coil brace 1, utilize the strain of elastic sheet metal 4 to make to block tightly mutually between elastic sheet metal 4 and the sealed tube 3 and coil brace 1 is gripped.This packaging technology adopts automation equipment to realize, has cancelled hand assembled, has improved the qualification rate of packaging efficiency and product.
Described pressure apparatus is a cylinder, is equipped with on the piston rod of cylinder and the corresponding sleeve-like mould in elastic sheet metal 4 edges.The centre bore 41 of elastic sheet metal 4 is aimed at sealed tube 3; Be pressed into elastic sheet metal 4 by mould, time saving and energy saving, high efficiency; Also guarantee simultaneously the axiality of centre bore 41 with the sealed tube 3 of elastic sheet metal 4, and then guaranteed the positional precision between sealed tube 3 and the coil brace 1.
Claims (6)
1. fluid pressure type electro-magnetic circuit breaker release; Comprise coil brace (1), solenoid (2) and sealed tube (3); Solenoid (2) is wrapped in outside the sealed tube (3), cored (31) and spring (32) in the sealed tube (3), and the end of sealed tube (3) is by being marked with hydraulic oil in pole shoe (33) shutoff and the sealed tube (3); It is characterized in that: coil brace (1) is provided with through hole (11); Sealed tube (3) passes through hole (11), and the two ends that sealed tube (3) is gone up corresponding through hole (11) are arranged with elastic sheet metal (4) respectively, and elastic sheet metal (4) is provided with centre bore (41); Interference fit between the centre bore (41) of sealed tube (3) and elastic sheet metal (4), sealed tube (3) is clamped on the coil brace (1) through two elastic sheet metals (4).
2. fluid pressure type electro-magnetic circuit breaker release according to claim 1 is characterized in that: centre bore (41) edge of elastic sheet metal (4) is provided with at least one gap (42) to side protrusion and in this edge.
3. fluid pressure type electro-magnetic circuit breaker release according to claim 2; It is characterized in that: the outward flange near the elastic sheet metal (4) of solenoid (2) one sides extends bracing ring (43) to the protrusion side at centre bore (41) edge, the protrusion height at the not little edge of length of bracing ring (43).
4. according to claim 2 or 3 described fluid pressure type electro-magnetic circuit breaker releases, it is characterized in that: gap (42) is linear pattern, " V " type or rectangle.
5. fluid pressure type electro-magnetic circuit breaker release according to claim 4 is characterized in that: gap (42) is a linear pattern, and its quantity is 6.
6. according to claim 1,2 or 3 described fluid pressure type electro-magnetic circuit breaker releases; It is characterized in that: the port of sealed tube (3) extends to form bell mouth shape laterally; The inner face of pole shoe (33) is provided with central boss, the sidewall of pole shoe (33) to the center draw in and riveted in the port of sealed tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201168307U CN202473795U (en) | 2012-03-26 | 2012-03-26 | Hydraulic electromagnetic circuit breaker trip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201168307U CN202473795U (en) | 2012-03-26 | 2012-03-26 | Hydraulic electromagnetic circuit breaker trip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473795U true CN202473795U (en) | 2012-10-03 |
Family
ID=46921938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201168307U Expired - Lifetime CN202473795U (en) | 2012-03-26 | 2012-03-26 | Hydraulic electromagnetic circuit breaker trip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202473795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623266A (en) * | 2012-03-26 | 2012-08-01 | 黄朝武 | Hydraulic solenoid operated circuit breaker release and assembling process thereof |
| CN108231501A (en) * | 2018-01-12 | 2018-06-29 | 厦门大恒科技有限公司 | Hydraulic movable iron core electromagnet and circuit breaker |
-
2012
- 2012-03-26 CN CN2012201168307U patent/CN202473795U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623266A (en) * | 2012-03-26 | 2012-08-01 | 黄朝武 | Hydraulic solenoid operated circuit breaker release and assembling process thereof |
| CN102623266B (en) * | 2012-03-26 | 2014-08-27 | 黄朝武 | Hydraulic solenoid operated circuit breaker release and assembling process thereof |
| CN108231501A (en) * | 2018-01-12 | 2018-06-29 | 厦门大恒科技有限公司 | Hydraulic movable iron core electromagnet and circuit breaker |
| CN108231501B (en) * | 2018-01-12 | 2024-02-27 | 厦门大恒科技有限公司 | Hydraulic movable iron core electromagnet and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20140827 |
|
| RGAV | Abandon patent right to avoid regrant |