CN2449082Y - Quick connection gas filling gun - Google Patents

Abstract

The utility model relates to a gas quick connecting gas filling gun which comprises a gun body part and a quick connecting head part. The gun body part is mainly composed of a switch base, an eccentric shaft, a switch handle, a double-head screw bolt, a plunger piston and a connecting head. The quick connecting head part is mainly composed of a tip mouth with a center gas through hole, an inserting core, a connecting sleeve, a connecting head body, an inner tip sleeve, a spring, an outer opening sleeve and a spring. The middle portion of the inserting core is provided with three O shape sealed rings, and the front side portion of the inserting core is provided with a plurality of gas outlet holes. The gun body part and the quick connecting head part are in thread connection by the connecting head. The opening or the closing of a gas passage is controlled through the eccentric shaft driving the double-head screw bolt to move forward or move rearward. It is portable, quick, safe and high-efficient to use the gas quick connecting gas filling gun to fill gas, and the gas quick connecting gas filling gun is used for the connecting heads of various steel bottles.

Description

Combustion gas connects air filling gun soon

The utility model relates to combustion gas aerating technical field, and particularly a kind of combustion gas connects air filling gun soon.

Existing a kind of combustion gas air filling gun, its composition and syndeton are as follows: referring to Fig. 1, shown in Figure 2, hook 1 is loaded on rifle body 2 right front portion, hinge hand 7 and handle 9 thereof are loaded on rifle body 2 right back portions, connecting rod 4 front ends and hook 1 rear end can be after hinged by pivot pin 3 along rifle body 2 right parts slips before and after dead slot 5 is done up and down, connecting rod 4 rear ends are hinged with hinge hand 7 by pivot pin 11, rifle body 2 right part inner chambers are equipped with spring 6 between pivot pin 3 and hinge hand 7, hinge hand 7 rotates by pivot pin 12, hinge hand 7 is provided with hook-type shift chute 10, this chute 10 has two anchor points, promptly is positioned at first anchor point and second anchor point 8 that is positioned at groove hook place of pivot pin shown in Figure 1 11 positions.Rifle body 2 left parts are provided with conductor 16, are provided with stage clip 18 between rifle body 2 and the guide pillar 16, and stud 17 is housed in the guide pillar 16, and stud 17 front ends are connected with pneumatic head, and this pneumatic head is by plunger 19, stopper head 20 and answer back 21, sealing ring 22 forms; Stud 17 rear ends are connected with switch base 14, this switch base 14 is made up of knob 15, end cap nut 24, eccentric shaft 25, connecting ring 26, O-ring seal and joint 13, turn knob 15, drive studs 17 by eccentric shaft 25, connecting ring 26 and move forward and backward, the open and close state of 21 pores of can realizing answering back.

During inflation, cylinder joint is filled in the charge gun clamping, select first or second anchor point of hinge hand 7 according to different joints, if this steel cylinder uses snap joint, pivot pin 11 should be selected to be positioned on hinge hand 7 first anchor points, if this steel cylinder uses conventional joint, then pivot pin 11 should be selected to be positioned on hinge hand 7 second anchor points 8.Move handle 9, connecting rod 4 just drives hook 1 joint is hooked, and prepares inflation, with hand knob 15 is threaded to and guide pillar 16 deads in line, then eccentric shaft 25 moves after driving stopper head 20 by connecting ring 26, and combustion gas, charges in the steel cylinder up to answering back 21 pores then through joint 13, switch base 14.After the sufficient combustion gas, knob 15 is threaded to and guide pillar 16 axis normal, then eccentric shaft 25 drives stopper head 20 reaches by connecting ring 26, and stopper head 20 seals up 21 pores of answering back, and at this moment, is closed condition.There is following weak point in above-mentioned combustion gas air filling gun: (1) complex structure, heaviness, consumption material are many.(2) because of judging conventional joint or fast joint, be easy to generate maloperation.Labour intensity is big when (3) operating, and efficient is lower.

The purpose of this utility model is to provide a kind of easy to operate, quick, safe combustion gas to connect air filling gun soon, and it not only can be applicable to conventional cylinder joint inflation, also can be applicable to novel steel cylinder quick union inflation.

The purpose of this utility model is achieved in that a kind of combustion gas connects air filling gun soon, comprise the rifle body portion, eccentric shaft 39 is contained on the switch base 40, end cap 35 is equipped with on its top, spacing ring 33, pin 34, shift bar 32 and seal washer, eccentric shaft 39 bottoms are connected with stud 41 1 head threads by connecting ring 38, stud 41 other ends are threaded with plunger 43 rear ends, plunger 43 front ends are fastened with rubber cushion 45, described switch base 40 rear end thread seals are connected with joint 37, also include the fast joint part, 44 front portions of answering back of band center roof vent are threaded with adapter sleeve 46, and by sealing gasket 47 sealings, adapter sleeve 46 front threads are connected with fittings body 48, on fittings body 48 inner tube surfaces, be provided with the interior top cover 51 and the interior sleeve spring 54 that can relatively move, the outer unlatching cover 50 and the outer casing spring 49 that can move along its outer surface is housed at fittings body 48 outer surfaces, on fittings body 48, also be provided with steel ball and elastic spring, be connected with the lock pin 52 of band center roof vent in adapter sleeve 46 front end central, threaded, these lock pin 52 front end sidepieces are provided with a plurality of ventholes, and lock pin 52 middle front parts are parallel to be equipped with three O-ring seals; Described switch base 40 front portions are connected with O-ring seals 56 thread seals by joint 42 with 44 rear portions of answering back.

Advantage of the present utility model is to be applicable to multiple cylinder joint specification use, promptly not only be suitable for the usefulness of conventional cylinder joint inflation, also be suitable for the usefulness of novel steel cylinder quick union inflation: simultaneously, have also that aerating is flexible, convenient and swift, safety, labour intensity is little, materials are few, maloperation and aerating efficient advantages of higher and effect can not occur.

Fig. 1 is the structural representation of existing a kind of combustion gas air filling gun.

Fig. 2 is an A-A cutaway view shown in Figure 1.

Fig. 3 is the structural representation that a kind of combustion gas of the utility model connects air filling gun soon.

By following embodiment the utility model is further elaborated.

Referring to shown in Figure 3, embodiment combustion gas of the utility model connects air filling gun soon partly to be made up of rifle body portion and fast joint, and the composition and the syndeton of each several part are as follows:

Eccentric shaft 39 is housed on the switch base 40, and dual O-ring seals 57 is housed in its cooperation place, on eccentric shaft 39, be inserted in end cap 35 and spacing ring 33, end cap 35 is fastened on the eccentric shaft 39 by screw 58, between end cap 35 and the spacing ring 33 pin 34 is housed, eccentric shaft 39 tops are fixed with shift bar 32 by screw 31, are provided with O-ring seals 36 between end cap 35 and the switch base 40.Switch base 40 rear end thread seals are connected with joint 37.Eccentric shaft 39 bottoms are connected with stud 41 1 head threads by connecting ring 38, and these stud 41 other ends are connected with plunger 43 threaded one ends, and plunger 43 other ends are fastened with rubber cushion 45 by screw 55.The above-mentioned rifle body portion of having formed.Switch base 40 front portions are connected with O-ring seals 56 thread seals by joint 42 with 44 rear portions of answering back.Be the fast joint part below, 44 front portions of answering back of band center roof vent are threaded with adapter sleeve 46, and by sealing gasket 47 sealings, adapter sleeve 46 front threads are connected with fittings body 48, on fittings body 48 inner tube surfaces, be provided with the interior top cover 51 and the interior sleeve spring 54 that can relatively move, at fittings body 48 outer surfaces the outer unlatching cover 50 and the outer casing spring 49 that can move along its outer surface is housed, also is provided with steel ball and elastic spring interior top cover 51, the outer unlatching on the fittings body 48 that overlaps between 50.Be connected with the lock pin 52 of band center roof vent in adapter sleeve 46 front end central, threaded, these lock pin 52 front end sidepieces are provided with a plurality of ventholes, and lock pin 52 middle front parts are parallel to be equipped with three O shape rubber seal 53.

During to the steel cylinder aerating, will connect the anterior cylinder joint part of inserting of air filling gun soon, rotary switc handle 32 moves after making plunger 43 front ends, opens air flue, to pneumatic inflation.Aerating finishes, and shift bar 32 is threaded to closes the position, and plunger 43 front ends move forward, close air flue, at this moment, will open cover 50 outward and slightly firmly withdraw from backward, partly realize resilient separation with cylinder joint immediately, the Push And Release position of shift bar 32 is determined spacing by spacing ring 33, end cap 35, pin 34.It is easy to operate, quick, flexible that this combustion gas connects air filling gun soon.

Claims (1)

1, a kind of combustion gas connects air filling gun soon, comprise the rifle body portion, eccentric shaft (39) is contained on the switch base (40), end cap (35) is equipped with on its top, spacing ring (33), pin (34), shift bar (32) and seal washer, eccentric shaft (39) bottom is connected with stud (41) one head threads by connecting ring (38), stud (41) other end is threaded with plunger (43), the tight figure of plunger (43) front end has rubber cushion (45), described switch base (40) rear end thread seal is connected with joint (37), it is characterized in that: also include the fast joint part, answer back (44) of band center roof vent are anterior to be threaded with adapter sleeve (46), and seal by sealing gasket (47), adapter sleeve (46) front threads is connected with fittings body (48), on fittings body (48) inner tube surface, be provided with the interior top that can relatively move and overlap (51) and interior sleeve spring (54), the outer unlatching cover (50) and the outer casing spring (49) that can move along its outer surface is housed at fittings body (48) outer surface, on fittings body (48), also be provided with steel ball and elastic spring, be connected with the lock pin (52) of band center roof vent in adapter sleeve (46) front end central, threaded, this lock pin (52) front end sidepiece is provided with a plurality of ventholes, parallel three O-ring seals (53) that are equipped with of lock pin (52) middle front part; Described switch base (40) is anterior to be connected with O-ring seals (56) thread seal by joint (42) with (44) rear portion of answering back.