CN207807634U - A kind of electromagnetic type electric pick - Google Patents
A kind of electromagnetic type electric pick Download PDFInfo
- Publication number
- CN207807634U CN207807634U CN201721768571.5U CN201721768571U CN207807634U CN 207807634 U CN207807634 U CN 207807634U CN 201721768571 U CN201721768571 U CN 201721768571U CN 207807634 U CN207807634 U CN 207807634U
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- CN
- China
- Prior art keywords
- rear end
- movable core
- connecting rod
- type electric
- seat plate
- 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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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model discloses a kind of electromagnetic type electric picks, including barrel-type casing, the enclosure interior front end is equipped with fore beam, rear end is equipped with back seat plate, before, electromagnetic coil is installed between back seat plate, the electromagnetic coil is set as hollow cavity structure, movable core is equipped in the hollow cavity structure, movable core front end is installed with connecting rod, the connecting rod uses non-magnetic material, the connecting rod of non-magnetic material can prevent the decrease of electromagnetic force, the connecting rod passes through fore beam, the movable core rear end is installed with resetting apparatus, the resetting apparatus passes through back seat plate, rear end is equipped with positioning seat corresponding with resetting apparatus in the shell, the connecting rod front end is covered by drill point to be connect with pick rod, the change-over switch that common current is transformed into pulse current is equipped in the power control circuit.The utility model is simple in structure, and low energy consumption, and noise is small, and low manufacture cost, service life is long, easy to maintenance.
Description
Technical field
The utility model is related to power tools technology field more particularly to a kind of electromagnetic type electric picks.
Background technology
Electric pick currently on the market, includes the various product of home and abroad, is all to show power source with motor, by various tooth
The complicated transmission mechanism of wheel composition converts rotational motion to the straight reciprocating motion of pick rod, and complicated, manufacturing cost is high, easily
Abrasion, high failure rate, repair is inconvenient, and high energy consumption, noise are big.
Utility model content
In order to solve technical problem present in above-mentioned background technology, the utility model provides a kind of electromagnetic type electric pick,
By the electromagnetic force of straight reciprocating motion as power source, directly pick rod is driven to make linear reciprocation fortune by movable core in coil
Dynamic, simple in structure, low manufacture cost, low energy consumption, and noise is small.
What the technical solution of the utility model was realized in：
A kind of electromagnetic type electric pick, including barrel-type casing, enclosure interior cavity front end is equipped with fore beam, after rear end is equipped with
Seat board, the housing rear end portion are equipped with handle, which is equipped with power switch, power control circuit, feature are set in handle
It is to be installed with electromagnetic coil between the forward and backward seat board, the electromagnetic coil is set as hollow cavity structure, the hollow cavity knot
Movable core is equipped in structure, the movable core front end is installed with connecting rod, which is non-magnetic material, the connecting rod
Across fore beam, the movable core rear end is installed with resetting apparatus, resetting apparatus rear end in back seat plate, the shell
Portion is equipped with positioning seat corresponding with resetting apparatus rear end, and the connecting rod front end is covered by drill point to be connect with pick rod, the electricity
The change-over switch that common current is transformed into pulse current is equipped in source control circuit.
Preferably, the resetting apparatus includes release link, resets lid, return springs, and the release link is fixedly arranged on activity
On iron core rear end face, and back seat plate is passed through, the reset is covered on another end of release link, and the return springs are sheathed on multiple
On the bar of position, one end is covered against back seat plate, the other end against reset.
Preferably, the return springs use compression spring.
Preferably, the periphery of the electromagnetic coil is equipped with secured core, to electromagnetic wire among the front end of the secured core
Circle hollow cavity extends one section of inner race section of entering, and is hollow structure among the inner race section, the connecting rod passes through inner race section, described
Secured core rear end is equipped with through-hole, and the movable core is set to the rear end of inner race section, and there are gap, institutes between inner race section
It states movable core and passes through secured core rear end through-hole.
Preferably, the secured core is composed of a fixed connection by sleeve and end cap, and the end cap includes inner race section, the inner sleeve
Portion is set on the inside of end cap.
Preferably, the secured core and movable core are all made of silicon steel sheet.
Preferably, the gap between the movable core and inner race section is 5~10mm.
Preferably, the centre of the fore beam and back seat plate is equipped with wear-resisting, heat safe axle sleeve.
The operation principle of the utility model：Power switch is pulled, is powered on, change-over switch is powered, and has on electromagnetic coil
Pulse voltage, movable core generate the electromagnetic force to travel forward, which passes to pick rod by connecting rod and drill point set, make
Pick rod makees forward impact movement.After pulse voltage becomes zero, electromagnetic force disappears, and resetting apparatus makes movable core move backward,
When resetting apparatus rear end and positioning seat are collided, movable core moves after stopping, and is returned to initial position.Second pulse at this time
Voltage is added to electromagnetic coil both ends, repeats above-mentioned movement, so in cycles, pick rod constantly back and forth strikes, and reaches broken object
Purpose.The electric pick beating frequency of the utility model is up to 1800~3600 beats/min.
The utility model has the beneficial effects that：Simple in structure, low energy consumption, and noise is small, and low manufacture cost, service life is long,
It is easy to maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is secured core structural schematic diagram.
In figure：1, shell, 2, fore beam, 3, axle sleeve I, 4, back seat plate, 5, shaft sleeve II, 6, electromagnetic coil, 7, secured core,
701, end cap, 7011, inner race section, 702, sleeve, 7021, through-hole, 8, connecting rod, 9, movable core, 10, drill point set, 11, pick
Pricker, 12, release link, 13, reset lid, 14, return springs, 15, positioning seat, 16, handle, 17, power switch, 18, conversion opens
It closes.
Specific implementation mode
As shown in Figure 1, 2, the utility model embodiment includes barrel-type casing 1, and 1 internal cavities front end of shell is equipped with fore beam
2, rear end is equipped with back seat plate 4, and axle sleeve 3 is equipped among fore beam 2, and axle sleeve 5 is equipped among back seat plate 4, and axle sleeve 4 and axle sleeve 5 are equal
For wear-resisting, high temperature resistant material.
Electromagnetic coil 6 is fixedly connected between fore beam 2, back seat plate 4, the periphery of electromagnetic coil 6 is equipped with secured core 7,
Secured core 7 is composed of a fixed connection by sleeve 702 and end cap 701, and 701 inside of end cap is equipped with inner race section 7011, the inner race section
It is hollow structure among 7011, electromagnetic coil 6 is set as hollow cavity structure, and movable core 9 is equipped in the hollow cavity structure, living
Dynamic iron core 9 is set to the rear end of inner race section 7011, and there are gap L, L 10mm, 9 front ends of movable core between inner race section 7011
It is installed with connecting rod 8, which uses non-magnetic material, the connecting rod 8 of non-magnetic material that can prevent the decrease of electromagnetic force,
Axle sleeve I 3 of the connecting rod 8 among inner race section 7011, fore beam 2, front end are connect by drill point set 10 with pick rod 11；
7 rear end of secured core is equipped with through-hole 7021, and the movable core 9 passes through 7 rear end through-hole 7021 of secured core,
9 rear end of movable core is installed with release link 12, which passes through the shaft sleeve II 5 among back seat plate 4,12 other end of release link
Head, which is equipped with, resets lid 13, back seat plate 4 and resets and is arranged with return springs 14 between lid 13 in release link 12, rear end in shell 1
Portion is equipped with positioning seat 15, and 15 position of positioning seat is corresponding with lid 13 is resetted.
1 rear end of shell is equipped with handle 16, which is equipped with power switch 17, and power supply control electricity is set in handle 16
Road is equipped with the change-over switch 18 that common current is transformed into pulse current in power control circuit.
Preferably, secured core 7 and movable core 9 are all made of silicon steel sheet magnetic conductive material.
Preferably, return springs 14 use compression spring.
The present embodiment operation principle is as follows：Power switch 17 is pulled, is powered on, change-over switch 18 is powered, electromagnetic coil 6
On have a pulse voltage, movable core 9 generates the electromagnetic force to travel forward, which passes through connecting rod 8 and drill point set 10 transmits
To pick rod 11, pick rod 11 is made to make impact movement forward.After pulse voltage becomes zero, electromagnetic force disappears, by return springs 14
Elastic force, so that movable core 9 is moved backward by release link 12, when resetting lid 13 and positioning seat 15 and colliding, movable core 9 stops
It is moved after only, is returned to initial position.Second pulse voltage is added to 6 both ends of electromagnetic coil again at this time, repeats above-mentioned movement, so
In cycles, the constantly reciprocal impact of pick rod 11, achievees the purpose that broken object.This electric pick beating frequency is up to 1800~3600
Beat/min.
The above, only the utility model preferred embodiment, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (8)
1. a kind of electromagnetic type electric pick, including barrel-type casing, enclosure interior cavity front end is equipped with fore beam, and rear end is equipped with back seat
Plate, the housing rear end portion are equipped with handle, which is equipped with power switch, sets power control circuit in handle, feature exists
Electromagnetic coil is installed between the forward and backward seat board, the electromagnetic coil is set as hollow cavity structure, the hollow cavity structure
Interior to be equipped with movable core, the movable core front end is installed with connecting rod, which is non-magnetic material, and the connecting rod is worn
Fore beam is crossed, the movable core rear end is installed with resetting apparatus, resetting apparatus rear end in back seat plate, the shell
Equipped with positioning seat corresponding with resetting apparatus rear end, the connecting rod front end is covered by drill point to be connect with pick rod, the power supply
The change-over switch that common current is transformed into pulse current is equipped in control circuit.
2. a kind of electromagnetic type electric pick according to claim 1, it is characterised in that：The resetting apparatus includes release link, answers
Position lid, return springs, the release link are fixedly arranged on movable core rear end face, and pass through back seat plate, and the reset is covered on
Another end of release link, the return springs are sheathed in release link, and one end is covered against back seat plate, the other end against reset.
3. a kind of electromagnetic type electric pick according to claim 2, it is characterised in that：The return springs use compression spring.
4. a kind of electromagnetic type electric pick according to claim 3, it is characterised in that：The periphery of the electromagnetic coil, which is equipped with, to be fixed
Iron core is entered one section of inner race section to the extension of electromagnetic coil hollow cavity among the front end of the secured core, among the inner race section
For hollow structure, the connecting rod passes through inner race section, the secured core rear end to be equipped with through-hole, and the movable core is set to interior
The rear end in set portion, and there are gaps, the movable core to pass through secured core rear end through-hole between inner race section.
5. a kind of electromagnetic type electric pick according to claim 4, it is characterised in that：The secured core is consolidated by sleeve and end cap
Fixed connection composition, the end cap includes inner race section, which is set on the inside of end cap.
6. a kind of electromagnetic type electric pick according to claim 4, it is characterised in that：The secured core and movable core are adopted
Use silicon steel sheet.
7. a kind of electromagnetic type electric pick according to claim 4, it is characterised in that：Between the movable core and inner race section
Gap is 5~10mm.
8. according to any electromagnetic type electric pick described in claim 1 to 7, it is characterised in that：The fore beam and back seat plate
Centre is equipped with wear-resisting, heat safe axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768571.5U CN207807634U (en) | 2017-12-18 | 2017-12-18 | A kind of electromagnetic type electric pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768571.5U CN207807634U (en) | 2017-12-18 | 2017-12-18 | A kind of electromagnetic type electric pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207807634U true CN207807634U (en) | 2018-09-04 |
Family
ID=63332340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721768571.5U Expired - Fee Related CN207807634U (en) | 2017-12-18 | 2017-12-18 | A kind of electromagnetic type electric pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207807634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914247A (en) * | 2017-12-18 | 2018-04-17 | 付国华 | A kind of electromagnetic type electric pick |
-
2017
- 2017-12-18 CN CN201721768571.5U patent/CN207807634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914247A (en) * | 2017-12-18 | 2018-04-17 | 付国华 | A kind of electromagnetic type electric pick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |