CN206104163U - Straight spray gun - Google Patents

Abstract

The utility model discloses a straight spray gun, including rifle core and barrel, the barrel cup joints on the rifle core, a side end and the barrel of rifle core constitute the squirt mouth jointly, the squirt mouth is when the barrel outside the rifle core carries out the reciprocating displacement adjustment along the axial of this rifle core, squirt mouth that its squirt mouth bore size also changes thereupon. The utility model discloses a relative motion of barrel and rifle core replaces the hand switch function, the water spray that makes straight spray gun when realizing using with cut off the water supply convenient, laborsaving.

Description

Direct-injection rifle

Technical field

This utility model is related to spraying equipment technical field of structures, more particularly to a kind of direct-injection rifle.

Background technology

At present, the spray gun of gardens or carwash is applied to, hand held switch formula direct-injection rifle is mostly, this spray gun is wherein Exactly when water spray is needed, user needs to hold shower nozzle on the other hand one drawback, and another is hand-tight to hold shift knob, this type Spray gun use time it is long, user's arm spasm can be caused.Therefore it is badly in need of a kind of easy to use, new direct-injection in labour-saving of design Rifle is increasing CSAT.

Utility model content

The purpose of this utility model is to provide a kind of easy to use, labour-saving to solve above-mentioned the deficiencies in the prior art Direct-injection rifle.

To achieve these goals, the direct-injection rifle designed by this utility model, including rifle core and gun barrel, the gun barrel socket On rifle core, a side end and the gun barrel of the rifle core collectively form water gunpoint, and the water gunpoint is when the gun barrel outside rifle core When carrying out shift reciprocately adjustment along the axial direction of the rifle core, the water gunpoint that its water gunpoint caliber size also changes therewith.

In order to direct-injection rifle is sprayed water, one end of the rifle core is conical section, is provided with first in the middle part of above-mentioned rifle core External screw thread, is provided with the through hole of insertion rifle core in the described first externally threaded lower section, arranges the in the above-mentioned first externally threaded top Two external screw threads, form the second cannelure between first external screw thread and the second external screw thread, are provided with the other end of above-mentioned rifle core 3rd external screw thread, and rifle core inner arranges the first limbers；Multi-step chamber is provided with the inside of the gun barrel, in above-mentioned multiple stage The middle part of rank chamber is provided with and the first female thread for spinning is engaged with the first external screw thread, is provided with cone in the head of the gun barrel Shape expands groove, and above-mentioned conical section is placed in the exponent part of appearing on the stage of multi-step chamber, and both constitute a hydrops chamber；In rifle One side end of core is provided with nipple, and the second female thread is provided with the internal chamber wall of above-mentioned nipple, and second female thread is set with above-mentioned The 3rd external screw thread put on rifle core is engaged, and above-mentioned rifle core and nipple are mutually revolved with the 3rd external screw thread by the second female thread Connect, and in centrally disposed second limbers of nipple, flange is provided with one end of above-mentioned nipple；And in the second ring of above-mentioned rifle core The second O-ring is socketed with shape groove, second O-ring is close to gun barrel inwall, forms sealing.

In order to block current, the close end of above-mentioned rifle core is provided with first annular groove, in the first annular groove On be socketed with the first O-ring, groove inner chamber opening's edge is expanded in the first O-ring sealing taper.

In order to strengthen user's feel, the 3rd cannelure is provided with gun barrel outer surface middle part, in the 3rd cannelure On be socketed with soft rubber sleeve.

In order to fix rifle core, spin on above-mentioned the second external screw thread for being arranged on rifle core rifle core nut, in the rifle core The periphery of nut is provided with spline, and fixes both by arranging anaerobic adhesive in screw thread position, and is socketed on above-mentioned rifle core outer Set, the overcoat cover rifle core nut and arrange, and are brought into close contact fixation with the spline being arranged on rifle core nut, the overcoat One end is provided with expansion groove, and above-mentioned expansion groove is cooperated with nipple flange and is connected.

For connecting water pipe, a side end of above-mentioned nipple is provided with fourth annular groove, and on the fourth annular groove It is socketed with the 4th O-ring.

In order to realize switching function, above-mentioned rifle core middle part screw connection structure alternatively into the knot that is slidably connected Structure, arranges chute in the middle part of above-mentioned rifle core, and is provided with draw runner, and above-mentioned draw runner and chute phase in the corresponding section of gun barrel After mutually coordinating, installation gap is left in chute one end, be socketed spring, the spring one end and clipping room in above-mentioned installation gap location Gap one end is mutually fixed, and other end apical grafting draw runner, and spring restoring force all the time along draw runner glide direction.

When the nipple portion of direct-injection rifle accesses water pipe, water source enters to rifle in-core chamber by the docking of nipple through hole, works as water inlet Amount is sufficiently large, and hydraulic pressure increase, current enter to the hydrops within the chamber of sealing, now revolve from discharge in the through hole of rifle core is arranged at Turn gun barrel, make gun barrel and rifle core that relative displacement to occur, open out water gunpoint, the current of hydrops within the chamber, in the presence of hydraulic pressure, Expand groove from taper to gush；To stop discharging water, gun barrel need to be only screwed, closing opening, blocking current outwards spray.

The direct-injection that this utility model is obtained is robbed, and is replaced hand switch function by relative motion of the gun barrel with rifle core, is realized The water spray of direct-injection rifle is made during use with cut off the water supply it is convenient, it is laborsaving.

Description of the drawings

Fig. 1 is the direct-injection rifle schematic diagram in embodiment 1；

Fig. 2 is the direct-injection rifle schematic diagram in embodiment 2；

Fig. 3 is the rifle core schematic diagram in embodiment 2；

Fig. 4 is the gun barrel schematic diagram in embodiment 2；

Fig. 5 is the scheme of installation of soft rubber sleeve in embodiment 2 on gun barrel；

Fig. 6 is the nipple schematic diagram in embodiment 2；

Fig. 7 is the direct-injection rifle schematic diagram in embodiment 3；

Fig. 8 is partial enlarged drawing at A in Fig. 7.

In figure：Rifle core 1, gun barrel 2, conical section 3, first annular groove 4, the first external screw thread 5, through hole 6, the second external screw thread 7, Second cannelure 8, the 3rd external screw thread 9, the first limbers 10, multi-step chamber 11, the first female thread 12, taper expand groove 13, on Step part 14, hydrops chamber 15, nipple 16, the second female thread 17, the second limbers 18, flange 19, the second O-ring 20, One O-ring 21, the 3rd cannelure 22, soft rubber sleeve 23, rifle core nut 24, overcoat 25, expansion groove 26, fourth annular groove the 27, the 4th are O-shaped Circle 28, water gunpoint 29, spline 30, chute 31, draw runner 32, installation gap 33, spring 34.

Specific embodiment

With reference to the accompanying drawings and examples this utility model is further illustrated.

Embodiment 1：

As shown in figure 1, the direct-injection rifle that this utility model is provided, including rifle core 1 and gun barrel 2, the gun barrel 2 are socketed in rifle core On 1, a side end and the gun barrel 2 of the rifle core 1 collectively form water gunpoint 29, and water gunpoint 29 is when 2 edge of gun barrel outside rifle core 1 When the axial direction of the rifle core 1 carries out shift reciprocately adjustment, the water gunpoint 29 that its 29 caliber size of water gunpoint also changes therewith.

Embodiment 2：

As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the direct-injection rifle provided by the present embodiment, its general structure and embodiment 1 Unanimously, but in order to direct-injection rifle is sprayed water, one end of the rifle core 1 is conical section 3, is provided with the middle part of above-mentioned rifle core 1 First external screw thread 5, is provided with the through hole 6 of insertion rifle core 1 in the lower section of first external screw thread 5, in the upper of above-mentioned first external screw thread 5 Side arranges the second external screw thread 7, forms the second cannelure 8, in above-mentioned rifle core 1 between first external screw thread 5 and the second external screw thread 7 The other end be provided with inside the 3rd external screw thread 9, and rifle core 1 first limbers 10 be set；Multiple stage is provided with the inside of the gun barrel 2 Rank chamber 11, is provided with the middle part of above-mentioned multi-step chamber 11 and the first female thread for spinning is engaged with the first external screw thread 5 12, taper is provided with the head of the gun barrel 2 expand groove 13, above-mentioned conical section 3 is placed in the exponent part of appearing on the stage of multi-step chamber 11 14, and both constitute a hydrops chamber 15；Nipple 16 is provided with 1 one side end of rifle core, in the inner chamber of above-mentioned nipple 16 Wall is provided with the second female thread 17, and second female thread 17 is engaged with above-mentioned the 3rd external screw thread 9 being arranged on rifle core 1, Above-mentioned rifle core 1 and nipple 16 are mutually spun with the 3rd external screw thread 9 by the second female thread 17, and centrally disposed the of nipple 16 Two limbers 18, are provided with flange 19 in one end of above-mentioned nipple 16, and are socketed with the second cannelure 8 of above-mentioned rifle core 1 Two O-rings 20, second O-ring 20 are close to 2 inwall of gun barrel, form sealing；In order to block current, in leaning on for above-mentioned rifle core 1 First annular groove 4 is provided with close end, the first O-ring 21, first O-ring are socketed with the first annular groove 4 13 inner chamber opening's edge of groove is expanded in 21 sealing tapers；In order to fix rifle core, spin on above-mentioned the second external screw thread 7 for being arranged on rifle core 1 Rifle core nut 24, is provided with spline 30 in the periphery of the rifle core nut 24, and incite somebody to action both by arranging anaerobic adhesive in screw thread position Fixed, and overcoat 25 is socketed on above-mentioned rifle core 1, the overcoat 25 covers rifle core nut 24 and arranges, and be arranged on rifle core spiral shell Spline 30 on female 24 is brought into close contact fixation, and one end of the overcoat 25 is provided with expansion groove 26, above-mentioned expansion groove 26 and nipple flange 19 Cooperate linking；For connecting water pipe, a side end of above-mentioned nipple 16 is provided with fourth annular groove 27, and the 4th The 4th O-ring 28 is socketed with cannelure 27.

Embodiment 3：

As shown in Figure 7, Figure 8, the direct-injection rifle provided by the present embodiment, its general structure are consistent with embodiment 2, in order to realize Switching function, above-mentioned 1 middle part of rifle core screw connection structure alternatively into sliding connection structure, in above-mentioned rifle core 1 Middle part arranges chute 31, and is provided with draw runner 32 in the corresponding section of gun barrel 2, and above-mentioned draw runner 32 is cooperated with chute 31 Afterwards, installation gap 33 is left in 31 one end of chute, spring 34,34 one end of the spring and peace are socketed at above-mentioned installation gap 33 Dress 33 one end of gap is mutually fixed, and other end apical grafting draw runner 32, and 34 reset force of spring all the time along 32 glide direction of draw runner.

Claims (7)

1. a kind of direct-injection rifle, including rifle core（1）And gun barrel（2）, the gun barrel（2）It is socketed in rifle core（1）On, it is characterised in that： The rifle core（1）A side end and gun barrel（2）Collectively form water gunpoint（29）, the water gunpoint（29）It is when in rifle core（1） Outer gun barrel（2）Along the rifle core（1）Axial direction carry out shift reciprocately adjust when, its water gunpoint（29）Caliber size also changes therewith Water gunpoint（29）.

2. direct-injection rifle according to claim 1, is characterized in that the rifle core（1）One end be conical section（3）, above-mentioned Rifle core（1）Middle part be provided with the first external screw thread（5）, in first external screw thread（5）Lower section be provided with insertion rifle core（1）'s Through hole（6）, in above-mentioned first external screw thread（5）Top arrange the second external screw thread（7）, first external screw thread（5）Outside second Screw thread（7）Between form the second cannelure（8）, in above-mentioned rifle core（1）The other end be provided with the 3rd external screw thread（9）, and rifle core（1） It is internal that first limbers is set（10）, in the gun barrel（2）Inside be provided with multi-step chamber（11）, in above-mentioned multi-step chamber （11）Middle part be provided with and the first external screw thread（5）It is engaged the first female thread for spinning（12）, in the gun barrel（2）Head Portion is provided with taper and expands groove（13）, above-mentioned conical section（3）It is placed in multi-step chamber（11）Exponent part of appearing on the stage（14）, and both Constitute a hydrops chamber（15）；In rifle core（1）One side end is provided with nipple（16）, in above-mentioned nipple（16）Internal chamber wall on It is provided with the second female thread（17）, second female thread（17）Rifle core is arranged on above-mentioned（1）On the 3rd external screw thread（9）Match Close, above-mentioned rifle core（1）And nipple（16）By the second female thread（17）With the 3rd external screw thread（9）Mutually spin, and in nipple （16）Centrally disposed second limbers（18）, in above-mentioned nipple（16）One end be provided with flange（19）, and in above-mentioned rifle core（1） The second cannelure（8）On be socketed with the second O-ring（20）, second O-ring（20）It is close to gun barrel（2）Inwall, forms close Envelope.

3. direct-injection rifle according to claim 1 and 2, is characterized in that in above-mentioned rifle core（1）Close end be provided with One cannelure（4）, in the first annular groove（4）On be socketed with the first O-ring（21）, first O-ring（21）Sealed taper Shape expands groove（13）Inner chamber opening's edge.

4. direct-injection rifle according to claim 1 and 2, is characterized in that in gun barrel（2）Outer surface middle part is provided with the 3rd ring Shape groove（22）, in the 3rd cannelure（22）On be socketed with soft rubber sleeve（23）.

5. direct-injection rifle according to claim 2, is characterized in that being arranged on rifle core above-mentioned（1）The second external screw thread（7）On Spin rifle core nut（24）, in the rifle core nut（24）Periphery be provided with spline（30）, and by arranging in screw thread position Both are fixed by anaerobic adhesive, and in above-mentioned rifle core（1）Upper socket overcoat（25）, the overcoat（25）Cover rifle core nut（24）If Put, and be arranged on rifle core nut（24）On spline（30）It is brought into close contact fixation, the overcoat（25）One end be provided with expansion groove （26）, above-mentioned expansion groove（26）With nipple flange（19）Cooperate linking.

6. direct-injection rifle according to claim 2, is characterized in that in above-mentioned nipple（16）A side end be provided with Fourth Ring Shape groove（27）, and in the fourth annular groove（27）On be socketed with the 4th O-ring（28）.

7. direct-injection rifle according to claim 2, is characterized in that in above-mentioned rifle core（1）The screw connection structure of middle part can Sliding connection structure is substituted for, in above-mentioned rifle core（1）Middle part arrange chute（31）, and in gun barrel（2）Corresponding section It is provided with draw runner（32）, and above-mentioned draw runner（32）With chute（31）After cooperating, in chute（31）Leave installation gap in one end （33）, in above-mentioned installation gap（33）Place's socket spring（34）, the spring（34）One end and installation gap（33）One end phase Fixed, other end apical grafting draw runner（32）, and spring（34）Reset force is all the time along draw runner（32）Glide direction.