CN1552537A

CN1552537A - Nailer button-type trigger valve structure

Info

Publication number: CN1552537A
Application number: CNA031405266A
Authority: CN
Inventors: 张文州
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-27
Filing date: 2003-05-27
Publication date: 2004-12-08

Abstract

A structure for the key-type trigger of nailing gun is composed of a gun body unit consisting of gun body and top cover, the elastic body, pushing unit and pistor, which are contained in the air chamber of gun body and the space of upper cover, the main air channel and upper channel in said gun body unit, an electromagnetic valve for controlling said upper air channel, and a switch unit.

Description

Ailing machine button trigger structure

Technical field

The present invention relates to a kind of ailing machine, relate in particular to a kind of ailing machine trigger structure.

Background technology

At present, the ailing machine structure of commonly using, consult Fig. 1 to Fig. 4, it mainly is hubbed on loam cake 3 by closure air chamber 20 tops of rifle body 2, make between the air chamber 20 of loam cake 3 and rifle body 2 to be sequentially provided with elastomer 4, roof pressure seat 5, cylinder cover for seat 230 and cylinder block 25 within it, and it is mobile that piston group 6 was descended in hollow form cylinder block 25 inner edge places.Appropriate location is respectively equipped with air chamber 20, main airway 21 in this rifle body 2, accommodation chamber 12, guide hole 13 and bore a hole 14, wherein this main airway 21 is connected with air chamber 20 and accommodation chamber 12 respectively, and this accommodation chamber 12 is connected with guide hole 13, can be hubbed on respectively in accommodation chamber 12 and the guide hole 13 with steam supply valve group 400 and conduit 33, make the other end of this conduit 33 be positioned at perforation 14 and be connected with the air flue 31 of loam cake 3, it uses the step process of operating as follows:

1, when bumper bar group 92 and trigger 50 not during pressurized, make the portion gas that is positioned at main airway 21 be flowed directly to air chamber 20 porch, pressed by roof pressure seat 5 and compel above cylinder block 25, make 5 of these air chamber 20 porch and roof pressure seats form a thrust that upwards promotes.At this moment, because the axostylus axostyle of this air valve group 400 is not blocked in the air intake of accommodation chamber 12, make gases in the main airway 21 be able to flow into earlier to flow through again in the accommodation chamber 12 guide hole 13, conduit 33, perforation 14 and loam cake 3 air flue 31 backs and flow to the top of roof pressure seat 5, the thrust that the top of this roof pressure seat 5 is upwards promoted greater than roof pressure seat 5 suffered gases by the downward pressure of downward elastic force of elastomer 4 and air flue 31 ejections then simultaneously, to cause gas can't flow in the cylinder block 25, as shown in Figure 1.

2, when pushing trigger 50 again behind bumper bar group 92 pressurizeds, in the time of can making the axostylus axostyle of activity template compressing air valve group 400 of trigger 50 up mobile, be able to be blocked in air intake 120 places of accommodation chamber 12, make the gas in the main airway 21 can not flow in the accommodation chamber 12 again, and cause roof pressure seat 5 tops only to be subjected to promoting of elastomer 4 to down spring, at this moment, make the gas that is positioned at roof pressure seat 5 below can be greater than the elastic force of elastomer 4, and roof pressure seat 5 is up promoted, as shown in Figure 2, making gas be flowed into filling compressing piston group 6 fast down promotes, and make the gas that is positioned at piston group 6 belows be subjected to moving down of piston group 6 and flow into cylinder block 25 and rifle body 2 air chambers 20 between, and then can reach the effect of percussion, as shown in Figure 3.

3, when bumper bar group 92 and trigger 50 are crossed multiple during to original state fully, can make that then the axostylus axostyle of air valve group 400 also moves down, make between the air intake of axostylus axostyle and accommodation chamber 12 and form appropriate gap, so that the gas in the main airway 21 can flow into the guide hole 13 of flowing through again in the accommodation chamber 12 once again, conduit 33, the air flue 31 of perforation 14 and loam cake 3 afterwards flow to the top of roof pressure seat 5, at this moment, because the top of this roof pressure seat 5 is subjected to the downward elastic force of elastomer 4 and the downward pressure of air flue 31 ejections only to be subjected to the thrust that gases upwards promote in the main airway 21 greater than roof pressure seat 5 belows simultaneously, can closely oppress ora terminalis on cylinder block 25 with the lower end that causes roof pressure seat 5, so, be that main airway 21 interior gases capable of blocking continue to flow in the cylinder block 25, making the gas that is compressed in 20 of piston group 6 and rifle body 2 air chambers be able to moment flows through in the cylinder block 25 again, as shown in Figure 4, and the piston group 6 that will be positioned at cylinder block 25 pushed away to original position, and percussion is used to wait for next time.

So, though it can reach the purpose of percussion operation, still, it then has following shortcoming in use:

1, when desiring percussion continuously, after then must continuing pushing trigger, the rifle mouth that drives the rifle body in the mode of continuous jump is depressed toward bumper bar group bottom direction again, can reach the phenomenon of continuous percussion, its not only can because of great-jump-forward continuously the mode of percussion be difficult to obtain outside certain controlling, simultaneously, also can't effectively control and make rifle mouth aiming object really, easily make nail after the percussion be pinned to constructor's unexpected dangerous the generation.

2, hold as described in the 1st, the pitch of nails position after the also uncontrollable continuous percussion, and then cause after the construction not attractive in appearance.

3, when desire is done percussion continuously, push trigger more one by one after also can continuing to push the bumper bar group earlier, to reach the effect that is similar to continuous percussion, so, its not only each time trigger just can pull the trigger for the second time, and cause outside user's the inconvenience, simultaneously, the control mode that it reached is to be similar to continuous percussion or the illusion formula is pulled the trigger continuously, but not real continuous percussion.

Summary of the invention

The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of and can pull the trigger continuously, multiple mode of operation and ailing machine button trigger structure simple in structure.

The technical solution used in the present invention is: a kind of ailing machine button trigger structure, and it includes rifle body group, and this rifle body group is made up of rifle body and loam cake, is equipped with elastomer, roof pressure seat and piston body in the holding part of the air chamber of rifle body and loam cake; Then can be formed with main airway in this rifle body group and go up air flue, this main airway reaches upward, and air flue is connected with the air chamber of rifle body and the holding part of loam cake respectively, and an end that makes main airway reaches below and place, top that an end of going up air flue lays respectively at the roof pressure seat, can organize in this rifle body group and be provided with magnetic valve group and switches set, make between magnetic valve group and switches set and to form one and pass by on one's way, axostylus axostyle one end of this magnetic valve group can be blocked in when start on the air flue, enter air inflow in the air flue with certain control.

After adopting technical scheme of the present invention, be equipped with the magnetic valve group respectively in first space of rifle body group and second space, and can make magnetic valve group or electromagnet group and switches set form a path loop, and make axostylus axostyle one end of magnetic valve group or electromagnet group can be switched on the air flue, after connecting, pressurized can force the magnetic valve group to produce moment whether excitatory transformation effect fast with the button that causes switches set, and make the axostylus axostyle of magnetic valve group do fast motion, block on last air flue to determine the axostylus axostyle front end whether to replace, so, can push really axostylus axostyle that button second time can make the magnetic valve group fast motion, whether continued to flow in the air flue with the gas in the control main airway, and then reached the electronic type control effect that the real percussion continuously of secondary is pushed in certain control.When the button fault of switches set, only need direct axostylus axostyle to move by the pressure electromagnetic valve group, the operator scheme of armstrong's patent formula be can reach, and then electronic type and the dual-purpose effect person of mechanical type reached.And, the present invention can make the frame for movement on nail rifle surface be reduced to minimum, and can change the whole appearance of nail rifle greatly, and can make whole the appearance streaming and futureization more of nail rifle, and then occupation rate, the competitiveness in desire to buy that stimulates consumer and raising market.

Description of drawings

Fig. 1 is the combination generalized section of the ailing machine structure commonly used;

Combination profile status schematic diagram when Fig. 2 is the bumper bar group of ailing machine structure among Fig. 1 and trigger pressurized;

Combination profile status schematic diagram when Fig. 3 has moved to the below of rifle body air chamber for the piston group of ailing machine structure among Fig. 2;

Fig. 4 crosses multiple combination profile status schematic diagram to normal condition for the bumper bar group and the trigger of ailing machine structure among Fig. 1;

Fig. 5 is the combination generalized section of ailing machine button trigger structure of the present invention;

Fig. 6 is the partial structurtes enlarged diagram of Fig. 5;

Fig. 7 is switches set button pressurized among Fig. 5 combination generalized section during the end of to;

Fig. 8 is the partial structurtes enlarged diagram of Fig. 7;

Fig. 9 is the combination generalized section of another embodiment of ailing machine button trigger structure of the present invention;

Figure 10 is the partial structurtes enlarged diagram of Fig. 9;

Figure 11 is switches set button pressurized among Fig. 9 combination generalized section during the end of to;

Figure 12 is the partial structurtes enlarged diagram of Figure 11;

Figure 13 is the combination generalized section of an embodiment again of ailing machine button trigger structure of the present invention;

Figure 14 is the partial structurtes enlarged diagram of Figure 13;

Combination generalized section when Figure 15 opens for the cock body among Figure 13 and rifle body component;

Figure 16 is the partial structurtes enlarged diagram of Figure 15;

Figure 17 is the axostylus axostyle pressurized of the magnetic valve among Figure 15 combination generalized section during the end of to;

Figure 18 is the partial structurtes enlarged diagram of Figure 17;

The combination generalized section of the another embodiment of Figure 19 ailing machine button of the present invention trigger structure;

Figure 20 is the partial structurtes enlarged diagram of Figure 19;

Figure 21 is the button pressurized of the switches set among Figure 19 combination generalized section during the end of to;

Figure 22 is the partial structurtes enlarged diagram of Figure 21;

The combination generalized section of Figure 23 another preferred embodiment of the present invention;

Figure 24 is the button pressurized of the switches set among a Figure 23 combination generalized section during the end of to;

The combination generalized section of Figure 25 preferred embodiment more of the present invention;

Figure 26 is the button pressurized of the switches set among Figure 25 combination generalized section during the end of to.

Label declaration:

Air flue 10 rifle bodies 2 on the rifle body group 1

Air chamber 20 main airways 21 through holes 22

23 second spaces, first space, 24 cylinder blocks 25

Communicating pipe 29 loam cakes, 3 holding parts 30

Air flue 31 slot parts 32 elastomers 4

Roof pressure seat 5 piston groups 6 magnetic valve groups 7

Housing 70 coils 71 axostylus axostyles 72

Spring 73 cock bodys 75 switches set 8

Key switch 80 buttons 801 battery trays 81

Battery 85 rifle mouth groups 9 bumper bar groups 92

Circuit board 95 sensing elements 96 touch switch 97

The specific embodiment

Ailing machine button trigger structure of the present invention, extremely shown in Figure 8 as Fig. 5, it includes rifle body group 1, and wherein this rifle body group 1 is made up of rifle body 2 and loam cake 3, then is equipped with elastomer 4, roof pressure seat 5 and piston group 6 in regular turn in about the holding part of the air chamber 20 of rifle body 2 and loam cake 3; Then can be formed with main airway 21 in this rifle body group 1 and go up air flue 10, and this main airway 21 and go up air flue 10 and be connected with the air chamber 20 of rifle body 2 and the holding part 30 of loam cake 3 respectively, and an end that makes an end of main airway 21 and go up air flue 10 lays respectively at the below and the place, top of roof pressure seat 5;

These rifle body 2 appropriate locations then are respectively equipped with air chamber 20, main airway 21, through hole 22, first space 23 and second space 24, wherein this main airway 21 can be connected with air chamber 20 and through hole 22 respectively, and through hole 22 can be communicated with first space 23, and first space 23 also can be connected with second space 24, be located at respectively in first space 23 and second space 24 for magnetic valve group 7, switches set 8.One end of this through hole 22 can be connected with hollow form communicating pipe 29, make 31 of the air flues of through hole 22, communicating pipe 29 and loam cake 3 form air flue 10 on, and the two ends of air flue 10 are connected with the main airway 21 of rifle body 2 and the holding part 30 of loam cake 3 respectively, and make an end of air flue 10 can be positioned at the top of roof pressure seat 5.

This magnetic valve group 7 includes housing 70, coil 71, axostylus axostyle 72 and spring 73 at least to be formed, and wherein these housing 70 inner edge groups are provided with coil 71, and can make axostylus axostyle 72 on housing 70, and makes between axostylus axostyle 72 and the housing 70 and be gripped with spring 73.One end of this axostylus axostyle 72 can be communicated with the appropriate location that is active in air flue 10, determines whether replacing group by axostylus axostyle 72 1 ends mobile and fills on last air flue 10.In addition, an end of this magnetic valve group 7 can be connected to respectively on the key switch 80 and battery tray 81 of switches set 8 by electric wire.

This switches set 8 includes key switch 80 and battery tray 81 at least, wherein this key switch 80 is provided with button 801, appropriate location at key switch 80 can be connected to respectively on battery tray 81 and the magnetic valve group 7 by electric wire or circuit board, be mounted on battery 81 for battery 85, and make battery 85, battery tray 81,

key switch

80 and 7 of electromagnetic switch groups form a loop.

When desire is done percussion continuously, rifle mouth group 9 is directed pointing behind the position of desiring nail hitting earlier, the button 801 of push switch group 8 again, promptly can make key switch 80, battery tray 81, battery 85 and magnetic valve group 7 form a path loop, and make the coil 71 in the magnetic valve group 7 produce excitatory effect of moment and attract the axostylus axostyle 72 in it up to move, end until this axostylus axostyle 72 just moves on blocking in the through hole 22 of last air flue 10 appropriate locations or rifle body 2, at this moment, then can make the gas in the main airway 21 can't flee in the supreme air flue 10, and can cause the gas in the main airway 21 can not flow into again in the holding part 30 of loam cake 3, and cause roof pressure seat 5 tops only to be subjected to promoting of elastomer 4 to down spring; At this moment, make the gas that is positioned at roof pressure seat 5 below can be greater than the elastic force of elastomer 4, and roof pressure seat 5 is up promoted, making gas be flowed into filling compressing piston group 6 fast down promotes, and make that the gas below piston group 6 is subjected to moving down of piston group 6 and flows between cylinder block 25 and rifle body 2 air chambers 20, and then can reach the effect of percussion.Otherwise, when the coil 71 of magnetic valve group 7 is no longer excitatory, then can axostylus axostyle 72 be sprung back to original position backward because of 73 effects of the spring in the magnetic valve group 7, make 22 of axostylus axostyle 72 front ends and last air flue 10 or through holes form the space, flow into once more in the air flue 10 till roof pressure seat 5 tops in the holding part 30 of inflow loam cake 3 in order to the gases in the main airway 21; At this moment, because the top of this roof pressure seat 5 is subjected to elastomer 4 can only be subjected to the gas thrust of promotion upwards main airway 21 in greater than roof pressure seat 5 belows to down spring and the downward pressure that goes up air flue 10 ejections simultaneously, can closely oppress ora terminalis on cylinder block 25 with the lower end that causes roof pressure seat 5, so, be that main airway 21 interior gases capable of blocking continue to flow in the cylinder block 25, making the gas that is compressed in 20 of piston group 6 and rifle body 2 air chambers be able to moment flows through in the cylinder block 25 again, and the piston group 6 that will be positioned at cylinder block 25 pushes back to original position, to wait for the usefulness of percussion next time.

The present invention utilizes and continues to push button 801 secondaries and can force the coils 71 in the magnetic valve group 7 whether excitatoryly to produce, with certain effectively its axostylus axostyle 72 of control fast move to reach whether block air flue 10, and then it is mobile to force piston group 6 to come in air chamber 20, to reach really the effect of percussion continuously.

Extremely shown in Figure 12 as Fig. 9, be another embodiment of the present invention figure, its main change is: 80 of original battery tray 81 and key switches are connected to change into by electric wire linked by circuit board 95, group is provided with electric capacity again on circuit board 95, timer, electric crystal, electronic components such as resistance, one end of this circuit board 95 is bonded to respectively on magnetic valve group 7 and the sensing element 96 by electric wire binding effect, to form a loop, so, can make bumper bar group 92 when up mobile, can make the one end start sensing element 96, signal is conveyed on the circuit board 95, and after treating button 801 pressurizeds of key switch 80, can make key switch 80, battery tray 81, battery 85,96 of magnetic valve group 7 and sensing elements form a path loop, and then force coils 71 in the magnetic valve group 7 to produce excitatory effects and to attract axostylus axostyle 72 to come within it mobile; So, technological means that it used and principle all encyclopaedize in foregoing, so do not give unnecessary details at this.

As Figure 13 to Figure 18, one implement illustration again for of the present invention, its main change is: the loop of former cause battery 85, battery tray 81,

key switch

80 and 7 formation of magnetic valve group is changed into by touch switch 97, battery 85, battery tray 81,

key switch

80 and 7 loops that form of magnetic valve group; Therefore, when desire is pulled the trigger, must make bumper bar group 92 1 ends bumps touch switch 97 and key switch 80 simultaneously behind the pressurized, can form the path loop, and can make magnetic valve group 7 be produced excitatory and make its axostylus axostyle 72 mobile excessively; And when key switch 80 faults, the cock body 75 that is mounted on first space, 23 ends can be pulled down, make the bottom of the axostylus axostyle 72 of magnetic valve group 7 then can protrude from the end in first space 23, so, only need to press by this axostylus axostyle 72 up mobile with forefinger, support up to the top of this axostylus axostyle 72 and to block in through hole 22 places, the gases in the main airway 21 promptly capable of blocking can't enter in the air flue 10, and face reaches the effect that the armstrong's patent formula is pulled the trigger.So, technological means of being used and principle all encyclopaedize in foregoing, so do not give unnecessary details at this.

As Figure 19 to Figure 22, be another embodiment of the present invention figure, its main change is: former cause magnetic valve group 7 is mounted on positions in first space 23 of rifle body 2 and changes into and be mounted between loam cake 3 and the rifle body 2, or be mounted in the slot part 32 of loam cake 3, one end of this slot part 32 can be connected with air flue 31, and the usefulness of supporting item when making this connection place can be subjected to axostylus axostyle 72 tops of magnetic valve group 7 mobile forward, can't flee in the supreme air flue 10 with the gases that block in the main airway 21, and reach the effect of percussion.

As Figure 23 and Figure 24, another preferred embodiments figure of the present invention, its main change is; Group in first space 23 of original rifle body 2 is provided with magnetic valve group 7 changes into group and be provided with an air valve group 76, and an end of the valve shaft 760 of this air valve group 76 is positioned on the air flue 10 be able to blocking after the start.7 sides that are mounted on air valve group 76 of this magnetic valve group, one end of the axostylus axostyle 72 of magnetic valve group 7 also is mounted on the trigger group 77, and make this trigger group 77 be able to be positioned at the below of the axostylus axostyle 72 of the valve shaft 760 of air valve group 76 and magnetic valve group 7, make magnetic valve group 7 produce start with the button 801 that causes push switch group 8, drive trigger group 77 and on compressing tablet 770 can force valve shaft 760 to be to move up or down and determine whether to make valve shaft 760 to block on last air flue 10, to reach the air inflow in the air flue 10 in certain control; In addition, when switches set 8 lost efficacy, only need push trigger group 77 and can force valve shaft 760 air inlet that generation is moved and air flue 10 is gone up in blocking-up, so, can reach electronic type and pull the trigger and click a double effects automatically back and forth.

As Figure 25 and Figure 26, be a preferred embodiment figure more of the present invention, its main change is: group in first space 23 of original rifle body 2 is provided with magnetic valve group 7 changes into group and be provided with an air valve group 76, and an end of the valve shaft 760 of this air valve group 76 is positioned on the air flue 10 be able to blocking after the start, and makes valve shaft 760 other ends be positioned at the top of trigger group 77 1 ends.7 sides that are mounted on air valve group 76 of this magnetic valve group, make an end of the axostylus axostyle 72 of magnetic valve group 7 also be mounted on trigger group 77 other ends or be positioned at place, trigger group 77 other ends top, and these trigger group 77 nearly middle places can be established for 2 groups with the rifle body, make magnetic valve group 7 produce start with the button 801 that causes push switch group 8, drive trigger group 77 by axostylus axostyle 72 and make seesaw movement, and then can force trigger group 77 compressing valve shafts 760 to be to move up and determine whether to block on last air flue 10, to reach the air inflow in the air flue 10 in certain control; In addition, when switches set 8 lost efficacy, only need push trigger group 77 1 ends and can force valve shaft 760 air inlet that generation is moved and air flue 10 is gone up in blocking-up, so, can reach electronic type and pull the trigger and click a double effects automatically back and forth.

Claims

1, a kind of ailing machine button trigger structure, it includes rifle body group, and this rifle body group is made up of rifle body and loam cake, is equipped with elastomer, roof pressure seat and piston body in the holding part of the air chamber of rifle body and loam cake; Then can be formed with main airway in this rifle body group and go up air flue, this main airway reaches upward, and air flue is connected with the air chamber of rifle body and the holding part of loam cake respectively, and an end that makes main airway reaches below and place, top that an end of going up air flue lays respectively at the roof pressure seat, it is characterized in that: can organize in this rifle body group and be provided with magnetic valve group and switches set, make between magnetic valve group and switches set and to form one and pass by on one's way, axostylus axostyle one end of this magnetic valve group can be blocked in when start on the air flue, enter air inflow in the air flue with certain control.

2, a kind of ailing machine button trigger structure, it includes rifle body group, and wherein this rifle body group is made up of rifle body and loam cake, is equipped with elastomer, roof pressure seat and piston body in the holding part of the air chamber of rifle body and loam cake; Can be formed with the aerogenesis road in this rifle body group and go up air flue, and this main airway reaches upward, and air flue is connected with the air chamber of rifle body and the holding part of loam cake respectively, and an end that makes main airway reaches below and place, top that an end of going up air flue lays respectively at the roof pressure seat, it is characterized in that: can organize in this rifle body group and be provided with magnetic valve group and switches set, and can the magnetic valve group and switches set form one and pass by on one's way; Axostylus axostyle one end of this magnetic valve group can drive the activity of trigger group, the valve shaft that is driven the air valve group by the activity of trigger group and then moves, and can control moving of this valve shaft really and whether be blocked on the air flue, and then can control really and enter the interior air inflow of air flue.

3, ailing machine button trigger as claimed in claim 1 or 2 structure is characterized in that: air flue can be made up of the air flue of through hole, communicating pipe and the loam cake of rifle body on this.

4, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: air flue can be made up of the through hole of rifle body and the air flue of loam cake on this.

5, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this magnetic valve group includes housing, coil, axostylus axostyle and spring and forms, and this housing inner edge group is provided with coil, and can make axostylus axostyle movable on the housing, and make between axostylus axostyle and the housing and be gripped with spring.

6, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this magnetic valve group can be organized the junction that is located at loam cake and rifle body.

7, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this magnetic valve group can be organized in the slot part that is located at loam cake, one end of this slot part can be connected with the air flue of loam cake, and the usefulness of supporting item when making this connection place can be subjected to the axostylus axostyle top of magnetic valve group mobile forward.

8, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this magnetic valve group can be replaced with electromagnet group.

9, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this switches set includes key switch and battery tray, this key switch is provided with button, this key switch can be connected to respectively on battery tray and the magnetic valve group by electric wire, be located at battery tray for battery pack, make and form a loop between battery, battery tray, key switch and magnetic valve group.

10, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: this switches set includes key switch and battery tray, this key switch is provided with button, this key switch can be connected to respectively on battery tray and the magnetic valve group by circuit board, be located at battery tray for battery pack, make and form a loop between battery, battery tray, key switch and magnetic valve group.

11, ailing machine button trigger structure as claimed in claim 1 or 2, it is characterized in that: an end of this circuit board can be bonded to respectively on magnetic valve group and the sensing element by electric wire binding effect, to form a loop.

12, ailing machine button trigger as claimed in claim 1 or 2 structure, it is characterized in that: the peripheral group of this rifle body is provided with sensing element, with the amount of movement of induction bumper bar group, makes this sensing element respectively and form a loop between magnetic valve group and switches set.

13, ailing machine button trigger as claimed in claim 1 or 2 structure, it is characterized in that: the peripheral group of this rifle body is provided with touch switch, with the amount of movement of control bumper bar group, makes this touch switch respectively and form a loop between magnetic valve group and switches set.