CN1827231A

CN1827231A - Spray Gun

Info

Publication number: CN1827231A
Application number: CN 200610050110
Authority: CN
Inventors: 褚孟品; 范国良
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-31
Filing date: 2006-03-31
Publication date: 2006-09-06

Abstract

The invention relates to a spray gun, which comprises a main body (1), and a trigger (2) and a pikestaff (3) that mounted on the main body (1). Wherein, the main body (1) has a chamber (5) to contain the spray pot (4); the front end surface of chamber (5) has a spray hole (51) that matching the nozzle (41) of spray pot (4); the chamber (1) has a back open; the center of said trigger (2) is hinged on the main body (1); the part of trigger (2) that under the hinge part forms a trigger part (21) while the part above the hinge part forms a pushing part (22) that connecting the back end surface of nozzle pot (4) and pushing the spray pot (4) to move along the chamber (1); the recover structure is inside the chamber (5) to recover the position of spray pot (4); and the main body (1) also comprises a recover device that recovering the pushing part (22) of trigger (2). The invention is a special spray gun that used in spray pot to spray the solution of spray pot outside the nozzle. Said invention has simple structure and lower cost.

Description

A kind of spray gun

Technical field

The present invention relates to a kind of injection apparatus, relate in particular to a kind of spray gun that the agent liquid in the spray jar can be ejected from the nozzle front of spraying jar.

Background technology

The spray jar has more widely as the aerosol jar to be used, we can be equipped with the agent liquid of various vaporizations in the spray jar, as air freshener, sun-screening agent liquid, Yunnan Baiyao aerosol with analgesic activity, excitant liquid or pesticide or the like, existing its structure of aerosol jar includes tank body and is arranged on the nozzle that has valve body of tank body upper end, during use, with pointing the nozzle of pushing vertically downward on the aerosol jar, valve body on the nozzle is opened, be contained in the sidepiece ejection of the agent liquid that has certain pressure in the aerosol jar from nozzle, to play various doses of effects that liquid was brought and effects, come propellant liquid with existing aerosol jar, its agent liquid can only be from the sidepiece ejection of nozzle, and can not be from the positive end face ejection of nozzle, the pressure of agent liquid injection under equal conditions wants big relatively like this, the far firing range that agent liquid is ejected; Directly pushing aerosol jar top nozzle in addition ejects agent liquid in the aerosol jar, this mode of operation is, grasp the can body of aerosol jar earlier, stretch out thumb again to pressing, valve body on the nozzle of aerosol jar is opened, agent liquid sprays from nozzle, unclamps thumb after finishing using, and the nozzle valve body is closed, injection stops, adopt this mode to spray, use also inconvenience, if the can body of aerosol jar is bigger, like this will inconvenient user firmly hold and take, cause and use inconvenience, the especially smaller user of hand, use inconvenience more.Utilize aerosol jar direct injection agent liquid again, as spray sun-screening agent liquid, when it need spray on the skin of behind, arm must be bent to behind and spray, so directly push the aerosol jar and just spray inconvenience more, can cause and sun-screening agent liquid can not be sprayed the situation that put in place.Last aerosol jar also has more single, the inaesthetic defective of profile.

Various spray guns also appear on the market in front, and existing spray gun all is to use aspect spraying paint, dusting, the structure of this spray gun is more complicated all generally, also do not occur the spray gun that a kind of agent liquid that will spray jar (aerosol jar) lining at spray jar (aerosol jar) interaction energy specially ejects from the nozzle front of spray jar (aerosol jar) now on the market.

Summary of the invention

Technical problem to be solved by this invention is that a kind of spray gun that sprays jar, the agent liquid in the spray jar can be ejected from the nozzle front of spraying jar that is specifically designed to is provided at above-mentioned prior art present situation, and this spray gun also has the structural design advantages of simple, cost is low.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of spray gun, comprise the body of a gun, and be assembled in trigger and pikestaff on the body of a gun, it is characterized in that the described body of a gun is provided with the chamber that can be installed in the spray jar, the front end face of chamber has and sprays the spray orifice that jar top nozzle matches, the open rearward end of chamber, its middle part of described trigger is movably articulated on the body of a gun, the position that is positioned at the below, articulated section on the trigger forms a pulling part, the position that is positioned at the top, articulated section forms with a chamber spray jar rear end face and contacts, and can promote to spray jar a pushing part along the chamber reach, in chamber, also be provided with the resetting structure that the spray jar is resetted, in the body of a gun, also be provided with one and can make the resetting structure that the pushing part resets on the trigger.

Above-mentioned chamber front end bottom has a junction, this connecting portion is movably articulated in the front end of the body of a gun, be provided with a locking mechanism that chamber can be fixed on the body of a gun between the chamber lower surface and the body of a gun, and the size of the open rearward end of described chamber be contained in the big or small identical or bigger of spray jar cross section in the chamber, can make things convenient for us to change the spray jar after jar agent liquid of the inside uses up like this when spraying, only need make the go out of lock control of mechanism of chamber during replacing, chamber is turned an angle around connecting portion, just the spray jar can be taken out from the opening of chamber rear end, during replacing new spray jar is packed into from the opening of chamber rear end, and the backward rotation chamber is fixed on the body of a gun it under the effect of locking mechanism.

Above-mentioned locking mechanism is: the clamping part that is extended with a bending in the chamber lower end, be provided with an accommodation chamber in body of a gun corresponding position, be equipped with bayonet lock and spring in the accommodation chamber, accommodation chamber is exposed in a side of described bayonet lock, one end of described spring contacts with bayonet lock, the other end contacts with the accommodation chamber inner face, have a hole that can supply clamping part to wear in the accommodation chamber upper surface, under clamping part is located in hole internal state on the accommodation chamber, described bayonet lock is fastened on the clamping part under spring action and then carries out spacing to chamber, this locking mechanism has simple in structure, assembling easily, easy to operate, only need pull bayonet lock outside during operation, the effect that bayonet lock overcomes spring retreats along accommodation chamber, the blocking that breaks away from clamping part to the bayonet lock head, just turn accommodation chamber and then can spray more changing jobs of jar, it also can adopt existing various locking mechanisms certainly, as adopts the snap-lock structure of a kind of pin-and-hole fit structure or other type.

The resetting structure that above-mentioned made spray jar resets is: be fixed with an elastic spring at body of a gun front end, the other end of elastic spring passes the bottom surface of chamber, and enter in the chamber be housed in chamber in a spray jar front end face cooperation contact, this resetting structure has advantage simple in structure, easy for installation, certainly it also can adopt existing resetting structure, as in the chamber front inner wall one spring being installed, the spray jar in making this spring other end and being housed in chamber contacts to cooperate and gets final product.

The resetting structure that the pushing part resets on above-mentioned the made trigger is: pushing part one side is provided with a projection on trigger, the corresponding position is provided with projection in the pikestaff, one extension spring one end is fixed on the projection on the pushing part, the other end is fixed on the interior projection of pikestaff, this structure that trigger is resetted has a lot, also can adopt other existing resetting structure that trigger is resetted.

All this spray gun there is a kind of safety index in the world now, come to harm to prevent child's improper use, therefore generally can on this product, design a safety lock device, to prevent that child from using, as some country's meeting now one safety locking structure is set on lighter, to prevent the improper use of child, still in the above-mentioned body of a gun, also be provided with one and can lock trigger, the safety lock device that trigger can not be pulled, this locking device includes: its middle part is movably articulated in the locking bar of body of a gun rear end, this locking bar is positioned at the articulated section rear end part and exposes body of a gun upper surface formation pulling part, this locking bar is positioned at the articulated section fore-end and has a sticking department that extends downwards, upper surface, described trigger pushing part has one can insert the breach that locks for sticking department, and is provided with the location structure of the locking bar rotation that can limit in the body of a gun; The location structure that the above-mentioned locking bar that limits rotates is: have a lug boss to outer lug in side of locking bar, on the body of a gun, be provided with a reed that curls with the corresponding side of lug boss, on this reed side adjacent, has a protrusion with lug boss, under the state that in sticking department is inserted into breach on the pushing part, locks, the positive corresponding leading flank with reed of end face contacts before the described lug boss, the rear side end face of lug boss contacts with the protrusion anterior end surface, under the state that in sticking department is separated from breach on the pushing part, unlocks, the positive corresponding trailing flank with reed of end face contacts before the described lug boss, and the anterior end surface of lug boss contacts with protrusion rear side end face; This safe locking device has the advantage simple and reasonable, that cost is low.

Compared with prior art, the invention has the advantages that: we can be installed in the spray jar on the spray gun involved in the present invention, to spray jar and be installed in the chamber, after assembling, press the pulling part on the trigger action, trigger rotates around its pin joint, the indoor spray jar of elastic force push chamber that pushing part on the trigger overcomes spring overcomes elastic spring, along the chamber reach, after moving a certain distance, the nozzle of spray jar is subjected to the resistancing action of chamber front end spray orifice, will spray the front ejection of jar interior agent liquid from nozzle; Need unclamp hand if will stop only to spray, trigger is replied under spring action, and the pushing part no longer promotes the spray jar on the trigger, the spray jar then moves behind the chamber of the effect lower edge of elastic spring, nozzle no longer is subjected to the resistancing action of chamber front end spray orifice, and nozzle is closed, and stops to spray.Therefore, he is a kind of spray gun that sprays jar, also the agent liquid in the spray jar can be ejected from the nozzle front of spraying jar that is specifically designed to, because constituting the majority element of this spray gun is the standard component that can directly buy on the market, it also can be produced in enormous quantities with mould, so this spray gun also has structural design advantages of simple, advantage that cost is low.

Description of drawings

Fig. 1 removes the structural representation (chamber open mode) of half body of a gun and handle for the embodiment of the invention;

Fig. 2 removes the structural representation (chamber lock-out state) of half body of a gun and handle for the embodiment of the invention;

Fig. 3 is the schematic perspective view of the embodiment of the invention;

Fig. 4 is the side view of the embodiment of the invention;

Fig. 5 is the partial structurtes broken away view of the embodiment of the invention;

Fig. 6 is the schematic perspective view of reed in the embodiment of the invention;

Fig. 7 is the schematic perspective view of locking bar in the embodiment of the invention;

Fig. 8 is the structural representation that embodiment of the invention locking bar and locking plate cooperate.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

A kind of spray gun shown in Fig. 1～5, comprise the body of a gun 1, and be assembled in trigger 2 and pikestaff 3 on the body of a gun 1, the described body of a gun 1 is provided with the chamber 5 that can be installed in spray jar 4, wherein the body of a gun 1, trigger 2, pikestaff 3 and chamber 5 are to form with the plastics one-shot forming, and the body of a gun 1 and handle 3 are integrative-structures, its middle chamber 5 is and sprays jar 4 tubulars that match, the open rearward end of chamber 5, the size of opening be contained in chamber 5 in spray jar 4 cross sections big or small identical or bigger, the front end face of chamber 5 has and sprays the spray orifice 51 that jar 4 top nozzles 41 match, has a junction 52 in chamber 5 front end bottoms, this connecting portion 52 is movably articulated in the front end of the body of a gun 1, chamber 5 can be turned an angle by the relative body of a gun 1 around its articulated section, and between chamber 5 lower surfaces and the body of a gun 1, be provided with a locking mechanism that chamber 5 can be fixed on the body of a gun 1;

Above-mentioned locking mechanism is: the clamping part 53 that is extended with a bending in chamber 5 lower ends, this clamping part 53 is roughly L shaped, be provided with an accommodation chamber 11 in the body of a gun 1 corresponding position, be equipped with bayonet lock 6 and spring 7 in the accommodation chamber 11, accommodation chamber 11 is exposed in a side of described bayonet lock 6, and expose at bayonet lock 6 to form on the side of accommodation chamber 11 and make things convenient for us to promote the decorative pattern of bayonet lock 6, one end of spring 7 contacts with bayonet lock 6, the other end contacts with accommodation chamber 11 inner faces, have a hole that can supply clamping part 53 to wear in accommodation chamber 11 upper surfaces, under clamping part 53 was located in hole internal state on the accommodation chamber 11, described bayonet lock 6 was fastened on the clamping part 53 under spring 7 effects and then carries out spacing to chamber 5;

It roughly is crooked shaft-like described trigger 2, the middle part of trigger 2 is movably articulated on the body of a gun 1, the position that is positioned at the below, articulated section on the trigger 2 forms a pulling part 21, the position that is positioned at articulated section top forms with chamber 5 spray jar 4 rear end faces and contacts, and can promote to spray jars 4 along pushing parts 22 that chamber 5 moves forward, in chamber 5, also be provided with and make spray jar 4 resetting structures that reset, in the body of a gun 1, also be provided with one and can make the resetting structure that pushing part 22 resets on the trigger 2;

Wherein can make spray jar 4 resetting structures that reset be: be fixed with an elastic spring 8 at the body of a gun 4 front ends, the other end of this elastic spring 8 passes the bottom surface of chamber 5, and enter in the chamber 5 be housed in chamber 5 in spray jar 4 a front end faces cooperation contact;

Can make the resetting structure that pushing part 22 resets on the trigger 2 be: pushing part 22 1 sides are provided with a projection 221 on trigger, the corresponding position is provided with projection 31 in the pikestaff 3, one extension spring, 10 one ends are fixed on the projection 221 on the pushing part 22, and the other end is fixed on the projection 31 in the pikestaff 3;

Shown in Fig. 5～8, on the described body of a gun 1, also be provided with one and can lock trigger 2, the safety lock device that trigger 2 can not be pulled, this locking device includes: its middle part is movably articulated in the locking bar 9 of the body of a gun 1 rear end, this locking bar 9 is positioned at the articulated section rear end part and exposes the body of a gun 1 upper surface formation pulling part 91, this locking bar 9 is positioned at the articulated section fore-end and has a sticking department 92 that extends downwards, 22 upper surfaces, described trigger pushing part have one can insert the breach 23 that locks for sticking department 92, and is provided with the location structure of locking bar 9 rotations that can limit in the body of a gun 1;

The location structure that the above-mentioned locking bar that limits 9 rotates is: have a lug boss 93 to outer lug in 9 one sides of locking bar, on the body of a gun 1, be provided with a reed 12 that curls with lug boss 93 corresponding sides, on the adjacent side of this reed 12 and lug boss 93, has a protrusion 121, under the state that in sticking department 92 is inserted into breach 23 on the pushing part 22, locks, positive end face contacts with reed 12 corresponding leading flanks before the described lug boss 93, the rear side end face of lug boss 93 contacts with protrusion 121 anterior end surface, under the state that in sticking department 92 is separated from breach 23 on the pushing part, unlocks, positive end face contacts with reed 12 corresponding trailing flanks before the described lug boss 93, and the anterior end surface of lug boss 93 contacts with protrusion 121 rear side end faces.

The course of work of the present invention and principle are such:

At first we will spray jars 4 and put into from the opening of chamber 5 rear ends, the spray orifice 51 and the cooperation that make the nozzle 41 on the spray jar 4 aim at chambers 5 front ends, as shown in Figure 1, after installing, rotate chamber 5, the clamping part 53 of chamber 5 lower ends snap onto in the accommodation chamber 11 and and accommodation chamber 11 interior bayonet locks 6 carry out clamping matching, this moment, chamber 5 just was fixed on the body of a gun 1, as shown in Figure 2, then, press locking bar 9, the lug boss 93 of locking bar 9 one sides overcomes the elastic force of reed 12 and moves after inclined to one side on the protrusion on the reed 121, anterior end surface until lug boss 93 contacts with protrusion 121 rear side end faces, the breach 23 that sticking department 92 on this hour locking lever 9 breaks away from the trigger pushing part 22, trigger 2 unlocks, press the pulling part 21 on the trigger action 2 again, trigger 2 rotates around its pin joint, the elastic force that pushing part 22 on the trigger overcomes spring 10 promotes the elastic force that chamber 5 interior spray jars 4 overcome elastic spring 8, along chamber 5 reaches, after moving a certain distance, the nozzle 41 of spray jar 4 is subjected to the resistancing action of chamber 5 front end spray orifices 51, with the front ejection of the agent liquid in the spray jar 4 from nozzle 41;

Only need unclamp hand if will stop injection, trigger 2 is replied under spring 10 effects, and pushing part 22 no longer promotes spray jar 4 on the trigger, spray jar 4 then moves behind the effect lower edge of elastic spring 8 chamber 5, nozzle 41 no longer is subjected to the resistancing action of chamber 5 front end spray orifices 51, and nozzle 41 is closed, and stops to spray;

Make without this spray gun, promote locking bar 9, the lug boss 93 of locking bar one side overcomes the elastic force of reed 12 and moves forward along 121 downward biases of protrusion on the reed, rear side end face until lug boss 93 contacts with protrusion 121 anterior end surface, sticking department 92 on this hour locking lever 9 snaps in the breach 23 on the trigger pushing part 22, and trigger 2 is locked, as shown in Figure 2, at this moment just can not be by trigger action 2, and make agent liquid ejection in the spray jars 4.

The spray jar of use on this spray gun mainly is to adorn a kind of irritating liquid that has in it, this liquid can not cause very heavy injury to the person, spray gun can be used as self-defence usefulness, run into the lawless person and can press trigger on the spray gun, to spray jar internal stimulus liquid and spray to the lawless person, cause certain discomfort to the lawless person, also bring the time of more escaping to the user, and then play self-defence effect, also have the profile of spray gun to be the rifle shape, the lawless person is played certain deterrent effect, and it is many that a spray jar of handling and loading this liquid uses abroad.Also have us also some other electron components can be set in spray gun again; effect by this electronic component; when making by trigger action; perhaps; one switch is set on the body of a gun; when pressing this switch; spray gun sends too chimes of doom; further strengthen its deterrent effect; also some light-emitting components can be set on spray gun, to play illuminating effect, these electronic components are installed in the structure on the spray gun; but reference class also belongs to the scope of protection of the invention like technical field and prior art for the spray gun that increases above-mentioned functions.

Claims

1, a kind of spray gun, comprise the body of a gun (1), and be assembled in trigger (2) and pikestaff (3) on the body of a gun (1), it is characterized in that the described body of a gun (1) is provided with the chamber (5) that can be installed in spray jar (4), the front end face of chamber (5) has and sprays the spray orifice (51) that jar (4) top nozzle (41) matches, the open rearward end of chamber (1), its middle part of described trigger (2) is movably articulated on the body of a gun (1), the position that is positioned at the below, articulated section on the trigger (2) forms a pulling part (21), the position that is positioned at the top, articulated section forms with chamber spray jar (a 4) rear end face and contacts, and can promote the pushing part (22) of spray jar (4) along chamber (1) reach, in chamber (5), also be provided with the resetting structure that spray jar (4) is resetted, in the body of a gun (1), also be provided with one and can make trigger (2) go up the resetting structure that pushing part (22) resets.

2, spray gun according to claim 1, it is characterized in that described chamber (5) front end bottom has a junction (52), this connecting portion (52) is movably articulated in the front end of the body of a gun (1), be provided with a locking mechanism that chamber (5) can be fixed on the body of a gun (1) between chamber (5) lower surface and the body of a gun (1), and the size of the open rearward end of described chamber (5) be contained in the big or small identical or bigger of spray jar (4) cross section in the chamber.

3, spray gun according to claim 2, it is characterized in that described locking mechanism is: the clamping part (53) that is extended with a bending in chamber (5) lower end, be provided with an accommodation chamber (11) in the body of a gun (1) corresponding position, be equipped with bayonet lock (6) and spring (7) in the accommodation chamber (11), accommodation chamber (11) is exposed in a side of described bayonet lock (6), one end of described spring (7) contacts with bayonet lock (6), the other end contacts with accommodation chamber (11) inner face, have a hole that can supply clamping part (53) to wear in accommodation chamber (11) upper surface, under clamping part (53) was located in hole internal state on the accommodation chamber (11), described bayonet lock (6) was fastened on the clamping part (53) down and then carries out spacing to chamber (5) in spring (7) effect.

4, spray gun according to claim 1, it is characterized in that the described resetting structure that spray jar (4) is resetted is: be fixed with an elastic spring (8) at the body of a gun (1) front end, the other end of elastic spring (8) passes the bottom surface of chamber (5), and enter in the chamber (5) be housed in chamber in spray jar (4) front end face cooperation contact.

5, spray gun according to claim 1, it is characterized in that the described resetting structure that pushing part on the trigger (22) is resetted is: pushing part (22) one sides are provided with a projection (221) on trigger, the interior corresponding position of pikestaff (3) is provided with projection (31), one extension spring (10) one end is fixed on the projection (221) on the pushing part, and the other end is fixed on the projection (31) in the pikestaff.

6, according to the described spray gun of arbitrary claim in the claim 1～5, it is characterized in that also being provided with on the described body of a gun (1) one and can lock trigger (2), the safety lock device that trigger (2) can not be pulled, this locking device includes: its middle part is movably articulated in the locking bar (9) of the body of a gun (1) rear end, this locking bar (9) is positioned at the articulated section rear end part and exposes the body of a gun (1) upper surface formation pulling part (91), this locking bar (9) is positioned at the articulated section fore-end and has a sticking department (92) that extends downwards, upper surface, described trigger pushing part (22) has one and can supply sticking department (92) to insert the breach (23) that locks, and is provided with the location structure of locking bar (9) rotation that can limit in the body of a gun (1).

7, spray gun according to claim 6, it is characterized in that the location structure that the described locking bar that limits (9) rotates is: have a lug boss to outer lug (93) in (9) sides of locking bar, go up and the corresponding side of lug boss (93) is provided with a curling reed (12) at the body of a gun (1), on this reed (12) side adjacent, has a protrusion (121) with lug boss (93), under the state that in sticking department (92) is inserted into breach (23) on the pushing part, locks, the preceding positive end face of described lug boss (93) contacts with the corresponding leading flank of reed (12), the rear side end face of lug boss (93) contacts with protrusion (121) anterior end surface, under the state that in sticking department (92) is separated from breach (23) on the pushing part, unlocks, the preceding positive end face of described lug boss (93) contacts with the corresponding trailing flank of reed (12), and the anterior end surface of lug boss (93) contacts with protrusion (121) rear side end face.