CN205288771U - Thimble of spray gun improves structure - Google Patents

Abstract

The utility model provides a thimble of spray gun improves structure, the hard -mouth pipe comprises a body, the handle has, the air cock, the nozzle, the adjustment cap, touch pressure switch, an air inlet pipe, cylinder block and container, draw a thimble after whether touch pressure switch control intake pipe is admitted air and reached, there is the thimble in the cylinder block, a stopper is established to the pot head behind the thimble, a spring and adjustment cap, the container has in a pipe to the cylinder block, the intake pipe has two branch pipes to nozzle and air cock, the thimble branch is equipped with the head, the middle -end respectively is equipped with the double -phase combination of screw thread of combination respectively and does the location, and the preset position contact surface of head and middle -end is equipped with one calorie of fender piece respectively, in view of the above, when rotary thimble's head and middle -end made up on earth, the card of head and middle -end kept off mutually that the card supports or the sounding, makes operator's moderate degree application of force, avoided rotatory not enough or the excessive application of force, reached accurate positioning head and thimble.

Description

The thimble of spray gun improves structure

[technical field]

This utility model is relevant with spray gun, espespecially reminds operator's appropriateness force to rotate the head of thimble, it is to avoid rotate not enough or excessively exert a force, it is possible to precise positioning.

[background technology]

As shown in Figure 1-2, traditional, pneumatic spray gun 1 has a container 2, one cylinder block 3 and controls device 4, one pressure handle 5 is made to push this control device 4, air inlet pipe 11 is discharged or closes, air inlet pipe 11 enters an air flue 12, air flue 12 enters nozzle 7 and tuyere 71, pressure handle 5 synchronizes the thimble 6 in cylinder block 3 is retreated or moved forward, the paint in container 2 is made to spray (air-flow being entered 7, nozzle by air flue 12 is taken out of) through cylinder block 3 to nozzle 7, there is top plug 10 thimble 6 rear end, spring 9 and adjustment nut 8, adjustment nut 8 is made thimble 6 and is slightly moved forward, retreat, adjust the gap of thimble 6 and nozzle 7, spray paint discharge rate and vaporific adjustment.

Because pneumatic spray gun 1 often changes the nozzle 7 using different bores, change nozzle 7 and need to change in the lump the thimble 6 of corresponding bore, usual thimble 6 is all want whole to adjust nut 8, top plug 10 and spring 9 from rear to release replacing, it is necessary to pull down more part; Thus, increase dismounting and the procedure operation assembled and puzzlement (during assembling, also return sequence recombination need to be assembled by rear), and increase the cost of material, the spring 9 at rear and top plug 10 be more dismounting or assembling often, often having incorrect location, the fault brought, so service life is short.

Applicant was once improved for above-mentioned disappearance, thimble 6 head and stage casing was separated, as long as dismounting head, it is not necessary to whole Zhi Dingzhen 6 dismantles, and without changeing the spring of thimble rear end, top plug and adjustment cap, makes to change and combine more convenient.

But, thimble 6 separates two sections, if incorrect during combination, it is easy to rotate not enough or excessively exert a force; If rotating deficiency, thimble 6 is long, it is necessary to the distance pressing this pressure handle 5 thimble 6 post-tensioning is elongated; If excessively exerting a force rotation, thimble 6 is too short, and thimble 6 is formed in the gap of cylinder block 3 inner nozzle 7, causes gas leakage, thus perplexs user, it is clear that needs to be further improved.

[utility model content]

The thimble of this utility model one spray gun improves structure, its objective is: 1, remind operator's appropriateness force, do not rotate again, avoid rotating not enough or excessively exerting a force, set being accurately positioned can be reached, the head making thimble accurately blocks up in the nozzle of cylinder block, does not cause gap, or causes thimble long.2, without replacing whole Zhi Dingzhen, only need to replace the head of thimble, material cost, longer service life can be saved. When 3, changing the nozzle of different bore, as long as while changing nozzle, changing the head of thimble in the lump, without changeing the spring of thimble rear end, top plug and adjusting cap, change and combine more convenient.

The thimble of a kind of spray gun improves structure, it is characterised in that include:

One body, has handle, valve, adjustment cap, touch-pressure switch, air inlet pipe and container, and whether and post-tensioning one thimble touch-pressure switch controls air inlet pipe air inlet;

One cylinder block, it is positioned at valve rear, cylinder block front end is a nozzle, inside there is a thimble, the sheathed top plug in thimble rear end, a spring and adjustment cap, container has a conduit to cylinder block, air inlet pipe has two arms to nozzle and valve, through the arm air-flow of air inlet pipe, the paint in container is drained in cylinder block, sprays through nozzle;

Thimble is arranged with head and middle-end, and head is provided with first clamping part, and the middle-end position of thimble is provided with second clamping part, the first clamping part and the second clamping part and clamps the use of torsion as hand-held tool;

The head of this thimble and middle-end are respectively provided with the screw thread of combination respectively, and two combined position, and the precalculated position contact surface of head and middle-end is respectively equipped with a card block piece;

When the head and the middle-end that rotate thimble are combined to the end, the card block piece of head and middle-end can fasten mutually or send the sound, makes operator's appropriateness exert a force, it is to avoid rotation deficiency or excessively exert a force, and is accurately positioned head and thimble.

Wherein, this head has female thread, and there is external screw thread thimble front end.

Wherein, the head of this thimble is a salient point and a groove with the card block piece of middle-end.

Wherein, the head of this thimble is respectively a raised line with the card block piece of middle-end.

This utility model advantage and effect are in that: remind operator's appropriateness force, do not rotate again, it is to avoid rotate not enough or excessively exert a force, set being accurately positioned can be reached, the head making thimble accurately blocks up in the nozzle of cylinder block, does not cause gap, or causes thimble long. Without replacing whole Zhi Dingzhen, only need to replace the head of thimble, material cost, longer service life can be saved. When changing the nozzle of different bore, as long as while changing nozzle, changing the head of thimble in the lump, without changeing the spring of thimble rear end, top plug and adjusting cap, change and combine more convenient.

[accompanying drawing explanation]

Fig. 1 is the generalized section of known pneumatic spray gun.

Fig. 2 is the thimble floor map of known pneumatic spray gun.

Fig. 3 is the generalized section of this utility model first embodiment.

Fig. 4 is the perspective exploded view of this utility model first embodiment thimble.

Fig. 5 is that this utility model first embodiment thimble combines the generalized section being not fully complete.

Fig. 6 is the amplification profile schematic diagram of this utility model first embodiment Fig. 5.

Fig. 7 is that this utility model first embodiment thimble combines completed generalized section.

Fig. 8 is the floor map of this utility model first embodiment card block piece.

Fig. 9 is the floor map of this utility model the second embodiment card block piece.

Number in the figure illustrates as follows:

20 body 30 cylinder block 40 containers

50 air inlet pipe 21 handles 23 adjust cap

24 touch-pressure switch 32 thimble 22 valves

31 nozzle 33 spring 34 top plugs

41 conduit 51 arm 52 arms

321 head 3211 female thread 320 external screw threads

3212 first clamping part 3,221 second clamping part 3213 card block pieces

3222 card block piece 321a card block piece 322a card block pieces

322 middle-end 32 thimble 321 heads

322 middle-end 3211 female thread 320 external screw threads

3212 first clamping part 3,221 second clamping part 3213 card block pieces

3222 card block pieces

[detailed description of the invention]

First, the thimble of this utility model one spray gun improves structure, as shown in figures 3-8, including a body 20, one cylinder block 30, one container 40 and air inlet pipe 50, body 20 has handle 21, valve 22, adjust cap 23, touch-pressure switch 24 and container 40, whether one touch-pressure switch 24 can control air inlet pipe 50 air inlet, and make post-tensioning one thimble 32, cylinder block 30 is positioned at valve 22 rear, cylinder block 30 front end is nozzle 31, inside there is a thimble 32, the sheathed spring 33 in thimble 32 rear end, top plug 34 and adjustment cap 23, thimble 32 middle-end pivot joint touch-pressure switch 24, the post-tensioning by touch-pressure switch 24, and by spring 33 elastic returning original position, container 40 has in conduit 41 a to cylinder block 30, air inlet pipe 50 has two arms 51, 52 to nozzle 31 and valve 22, arm 51 through air inlet pipe 50, 52 air-flows, by the arm 51 of air inlet pipe 50, 52 air-flows, paint in container 40 is drained in cylinder block 30, thimble 32 rear mobile work in cylinder block 30 in cylinder block 30, produce gap, spray through nozzle 31,

Head 321 and the middle-end 322 of this thimble 32 are separated, non-is with one, head 321 has female thread 3211 (as illustrated in figures 4-5), there is external screw thread 320 thimble 32 front end, can two combined position, head 321 is contained in nozzle 31, the head 321 of this thimble 32 is provided with first clamping part 3212, for upper and lower concave plane, the use of torsion is clamped as hand-held tool, middle-end 322 position of this thimble 32 is provided with second clamping part 3221 simultaneously, for upper and lower concave plane, clamps the use of torsion as hand-held tool;

The inside contact surface of head 32 and middle-end 322 is respectively equipped with a card block piece 3213,3222, the head 321 card block piece 3213 of thimble 32 is a salient point, the card block piece 3222 of middle-end 322 is a groove, salient point and groove part have circular arc camber, and the height of salient point protrusion is little, the recessed degree of depth of groove is also little, so salient point is without exerting oneself very much, can snap in groove;

By above-mentioned structural grouping, the thimble of this utility model one spray gun improves structure, when the head rotating thimble is combined to the end with middle-end, the card block piece 3213 (salient point) of head 321 and the card block piece 3222 (groove) of middle-end 322 can fasten or send the card sound mutually, remind operator's appropriateness force, do not rotate again, avoid rotating not enough or excessively exerting a force, set being accurately positioned can be reached, the head 321 making thimble 32 accurately blocks up in the nozzle 31 of cylinder block 30, does not cause gap; Treat touch-pressure switch 24 and post-tensioning, thimble 32 in cylinder block 30 after mobile make, produce gap, paint just sprays through nozzle 31, when improving the combination of head 321 and middle-end 322, does not have and rotates not enough or excessively force problem.

The nozzle 31 using different bores is often changed again because of pneumatic spray gun, when changing nozzle 31, it is also required to change in the lump the thimble 32 of corresponding bore, this case only need to while changing nozzle 31, change the head 321 of thimble 32 in the lump, it is first pull down valve 22, nozzle 31 during finger action, dismantle the head 321 of thimble 32 again, only dismantled by front, i.e. exchangeable nozzle 31 bore, it is not necessary to whole Zhi Dingzhen 32 changes, reverses the first clamping part 3212 of thimble 32 with hand-held tool clamping, namely unclamp the head 321 of thimble 32, make to change the head 321 of thimble 32;

That is without changeing the spring 33 of thimble 32 rear end, top plug 34 and adjusting cap 23, save the program of dismounting, convenient dismounting, also it is easily assembled very much, also omits the program assembled by rear during assembling, and can save and often change thimble 32 material cost, owing to changing without whole Zhi Dingzhen 32, the spring 33 at rear, top plug 34 and adjustment cap 23 are without change, so longer service life, more without changing incorrect brought fault;

Thimble 32 to make whole is changed, as long as with the second clamping part 3221 of hand-held tool clamping torsion thimble 32, namely unclamping thimble 32, makees to change thimble 32, convenient dismounting and assembling;

This utility model the second embodiment is as shown in Figure 9, the head 321 of this thimble 32 is respectively a raised line with card block piece 321a, 322a of middle-end 322, raised line is all that circular arc protrudes, highly little, when the head 321 rotating thimble 32 is combined to the end with middle-end 322, card block piece 321a (raised line) of head 321 and card block piece 322a (raised line) of middle-end 322 can cross over or send the card sound mutually, remind operator's appropriateness force, do not rotate again, avoid rotating not enough or excessively exerting a force, set being accurately positioned can also be reached, reach effect equal with above-described embodiment.

Claims (4)

1. the thimble of a spray gun improves structure, it is characterised in that include:

One body, has handle, valve, adjustment cap, touch-pressure switch, air inlet pipe and container, and whether and post-tensioning one thimble touch-pressure switch controls air inlet pipe air inlet;

One cylinder block, it is positioned at valve rear, cylinder block front end is a nozzle, inside there is a thimble, the sheathed top plug in thimble rear end, a spring and adjustment cap, container has a conduit to cylinder block, air inlet pipe has two arms to nozzle and valve, through the arm air-flow of air inlet pipe, the paint in container is drained in cylinder block, sprays through nozzle;

Thimble is arranged with head and middle-end, and head is provided with first clamping part, and the middle-end position of thimble is provided with second clamping part, the first clamping part and the second clamping part and clamps the use of torsion as hand-held tool;

The head of this thimble and middle-end are respectively provided with the screw thread of combination respectively, and two combined position, and the precalculated position contact surface of head and middle-end is respectively equipped with a card block piece;

When the head and the middle-end that rotate thimble are combined to the end, the card block piece of head and middle-end can fasten mutually or send the sound, makes operator's appropriateness exert a force, it is to avoid rotation deficiency or excessively exert a force, and is accurately positioned head and thimble.

2. the thimble of spray gun according to claim 1 improves structure, it is characterised in that: this head has female thread, and there is external screw thread thimble front end.

3. the thimble of spray gun according to claim 1 improves structure, it is characterised in that: the card block piece of the head of this thimble and middle-end is a salient point and a groove.

4. the thimble of spray gun according to claim 1 improves structure, it is characterised in that: the card block piece of the head of this thimble and middle-end is respectively a raised line.