CN207388151U - Foaming charging spray gun - Google Patents
Foaming charging spray gun Download PDFInfo
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- CN207388151U CN207388151U CN201721132475.1U CN201721132475U CN207388151U CN 207388151 U CN207388151 U CN 207388151U CN 201721132475 U CN201721132475 U CN 201721132475U CN 207388151 U CN207388151 U CN 207388151U
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Abstract
The utility model belongs to field of mechanical technique more particularly to a kind of foaming charging spray gun.It solves the problems such as prior art design is unreasonable.This foaming charging spray gun includes gun barrel, charging head is equipped in the front end of gun barrel, the rear end of gun barrel is connected with feed pipe by detachable attachment mechanism, the front end that flexible charging bar and flexible charging bar are connected in feed pipe can extend into in charging head and with charging head inner wall sealing and be connected, the charging aperture that can make to be in communication with the outside inside gun barrel is connected with charging head inner wall sealing equipped with the front end for working as flexible charging bar in the front end of flexible charging bar, the negative pressure Chou Liao mechanisms passed through charging aperture and sprayed from charging head front end that foam that can be forced inside gun barrel are equipped in charging head.The utility model has the advantage of：Cost can be reduced and discharging quality can be improved.
Description
Technical field
The utility model belongs to field of mechanical technique more particularly to a kind of foaming charging spray gun.
Background technology
It is general to be fed using charging spray gun in the foaming field including EPP, EPS and APS, pass through charging
The design of spray gun can realize quickly charging production.
Current charging spray gun, structure are generally monolithic construction, when one of parts damages or periodic replacement
When, can only replace whole spray gun, considerably increase the cost in enterprise production process.
Secondly, existing spray gun is usually to set air blowing source of the gas in the rear end of spray gun, and there is discharge port in spray gun front end, passes through gas
Stream forces the foaming in spray gun to be sprayed from spray gun front end, although this mode disclosure satisfy that production requirement to a certain extent,
Be, this scheme its also at least have the following technical problems：
1st, air-flow drives foaming to spray, foaming easily in spray gun internal stops, causes the effect that discharges from rear flow forward
It is poor.
2nd, foaming during forward movement its there are problems that the local uniformity more concentrated, cause foaming ejection
It is poor.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, cost can be reduced and can improve discharging quality by providing one kind
Foaming charging spray gun.
In order to achieve the above objectives, the utility model employs following technical proposal：This foaming charging spray gun includes gun barrel,
The front end of gun barrel is equipped with charging head, and the rear end of gun barrel is connected with feed pipe by detachable attachment mechanism, is connected in feed pipe
There is the front end of flexible charging bar and flexible charging bar to can extend into in charging head and with charging head inner wall sealing be connected, stretch
The front end of charging bar is equipped with can make with extraneous to connect inside gun barrel when the front end for the charging bar that stretches is connected with charging head inner wall sealing
Logical charging aperture, being equipped in charging head can force what the foaming inside gun barrel was sprayed by charging aperture and from charging head front end
Negative pressure Chou Liao mechanisms.
In above-mentioned foaming charging spray gun, the negative pressure Chou Liao mechanisms are arranged on charging head and tilt including several
The negative pressure air-out hole of setting, the front end in negative pressure air-out hole inside charging head with connect and the inclined direction in negative pressure air-out hole is from adding
Material head rear end outer wall is tilted to the front inner wall of charging head, and the negative pressure air-out hole rear end is connected with negative pressure source of the gas.
In above-mentioned foaming charging spray gun, the charging head rear end is equipped with annular groove, behind the negative pressure air-out hole
End connect with annular groove, on the tube wall of gun barrel equipped with the negative pressure channel and the front end of negative pressure channel axially set along gun barrel with
Annular groove connects, and the negative pressure channel is connected with negative pressure source of the gas.
In above-mentioned foaming charging spray gun, the negative pressure channel be annular negative pressure channel, spiral shape negative pressure channel and
Any one at least one negative pressure through-hole.
In above-mentioned foaming charging spray gun, the detachable attachment mechanism includes being set in the connection of gun tube rear end
Set, the front end of feed pipe, which inserts in connector sleeve and is equipped between connector sleeve and feed pipe, can avoid connector sleeve and feed pipe phase
The circumferential positioning structure mutually rotated, being additionally provided between connector sleeve and feed pipe can avoid connector sleeve from being mutually disengaged with feed pipe
Axial positioning structure.
In above-mentioned foaming charging spray gun, the circumferential positioning structure connects location structure for male-female engagement formula.
In above-mentioned foaming charging spray gun, the annular that the axial positioning structure includes being arranged on feed pipe front end is determined
Position slot, sets that there are two the middle parts of symmetrically arranged inserting-plate hole and inserting-plate hole to connect with inside connector sleeve in the rear end of connector sleeve, this
Structure further includes U-shaped elasticity inserted sheet, and the internal diameter between the end of U-shaped elasticity inserted sheet both ends is less than the bottom footpath of annular positioning groove, and in U
The opposite inside in shape elasticity inserted sheet both ends is respectively equipped with arc locking concave surface, and the both ends of U-shaped elasticity inserted sheet are inserted one by one from described
In film perforation insertion and when the both ends of U-shaped elasticity inserted sheet are inserted in annular positioning groove respectively the U-shaped elasticity inserted sheet both ends end
It expands outwardly and arc locking concave surface is forced to be contacted with annular positioning groove slot bottom.
In above-mentioned foaming charging spray gun, the flexible charging rod set is equipped with tubular material head, before tubular material head
End cap is equipped with the first sealing ring, and at least one charging aperture positioned at the first sealing ring rear is additionally provided in the front end of tubular material head,
The outer diameter of first sealing ring is more than the internal diameter of charging head and the first sealing ring enters the rear inner wall with charging head in charging head and formed
Sealing.
In above-mentioned foaming charging spray gun, the feed pipe rear end inner wall is equipped with closure, connects in feed pipe rear end
The cylinder body positioned at closure rear is connected to, the front end of cylinder body is connected with feed pipe, the back-end closure of cylinder body, and energy is equipped in cylinder body
Enough pistons that cylinder interior is separated into front chamber and rear chamber, the rear end of flexible charging bar through the through hole in closure and are stretched
Enter to being connected with piston in cylinder body, the flexible charging bar coordinates with via clearance, behind the front end of cylinder body or feed pipe
End is connected with the preceding air inlet pipe connected with front chamber, and the rear air inlet pipe connected with rear chamber is connected in the rear end of cylinder body.
In above-mentioned foaming charging spray gun, the negative pressure air-out hole even circumferential distribution is equipped in annular groove slot bottom
Several blind holes connected one by one with the negative pressure air-out hole rear end, the blind hole aperture are more than the aperture in negative pressure air-out hole.
In above-mentioned foaming charging spray gun, the circumferential positioning structure includes being arranged on determining for connector sleeve rear end inner wall
Position step is equipped with the fitting projection of several even circumferentials distribution on positioning step, is equipped in the front end outer wall of feed pipe several
For the locating notch that the fitting projection is inserted into one by one, the fitting projection is inserted in locating notch.
In above-mentioned foaming charging spray gun, the fitting projection both sides are respectively equipped with the first guiding surface, and described
The first guiding surface be symmetrical arranged, be respectively equipped in the both sides of locating notch mutually identical with first guiding surface
Second guiding surface.
In above-mentioned foaming charging spray gun, the gun barrel includes inner tube and the outer tube being set on the outside of inner tube, described
Interior tube axis line overlapped with the axial line of outer tube and form above-mentioned annular negative pressure channel between the inner and outer pipe sections.
In above-mentioned foaming charging spray gun, the charging head is threadedly coupled with gun barrel and in the rear inside of charging head
Equipped with annular guiding surface.
In above-mentioned foaming charging spray gun, inner wall is equipped with reaming, the negative pressure air-out hole in the middle part of the charging head
Front end is connected with the bottom hole of reaming.
In above-mentioned foaming charging spray gun, annular trough body, the charging hole count are equipped in the middle part of the tubular material head
It measures and is distributed for 2-10 and even circumferential, the outer end of charging aperture is connected with annular trough body, in the inner end of charging aperture and tubular material head
Portion connects.
In above-mentioned foaming charging spray gun, the tubular material head front end is internally provided with several spaced material sprays
Fine crack.
In above-mentioned foaming charging spray gun, the negative pressure source of the gas include being arranged on the annular of connector sleeve front inner wall into
Air drain is equipped with the negative pressure inlet mouth connected with the annular air inlet duct on connector sleeve, one end of connector sleeve is inserted in gun barrel
Equipped with several air vents, one end of air vent is connected with annular air inlet duct, and the other end is connected with negative pressure channel.
In above-mentioned foaming charging spray gun, it is equipped with separating part in the middle part of the tubular material head inner wall and separating part is by tubular
Front chamber and rear chamber are separated into inside material head, charging aperture is connected with front chamber；Outer wall is arranged with second in the middle part of tubular material head
Sealing ring.
In above-mentioned foaming charging spray gun, the reaming is bellmouth, and the small head end of reaming and charging head front end
Interior walls be smooth excessively connects.
Compared with prior art, it is the advantages of this foaming charging spray gun：
1st, reduce cost and improve discharging quality.
2nd, it is simple in structure and easily fabricated.
3rd, service life is long.
Description of the drawings
Fig. 1 is structure diagram provided by the utility model.
Fig. 2 is discharge state schematic cross-sectional view provided by the utility model.
Fig. 3 is charging head structure diagram provided by the utility model.
Fig. 4 is enlarged structure schematic diagram at A in Fig. 2.
Fig. 5 is the structure diagram of detachable attachment mechanism provided by the utility model.
Fig. 6 is U-shaped elasticity plate-inserting structure schematic diagram provided by the utility model.
Fig. 7 is tubular material head structure diagram provided by the utility model.
Fig. 8 is that U-shaped elasticity inserted sheet provided by the utility model inserts in view in annular positioning groove.
Fig. 9 is stopping discharge state schematic diagram provided by the utility model.
Figure 10 is flexible charging rod structure schematic diagram provided by the utility model.
Figure 11 is another viewing angle constructions schematic diagram of tubular material head provided by the utility model.
Figure 12 is connecting jacket structure schematic diagram provided by the utility model.
Figure 13 is another viewing angle constructions schematic diagram of connector sleeve provided by the utility model.
Figure 14 is feed pipe structure schematic diagram provided by the utility model.
It is gun barrel 1, connector sleeve 11, annular air inlet duct 111, negative pressure inlet mouth 112, air vent 113, inserting-plate hole 12, fixed in figure
Position step 13, fitting projection 14, charging head 2, annular guiding surface 21, reaming 22, detachable attachment mechanism 3, feed pipe 4, ring
Shape locating slot 41, closure 42, through hole 421, locating notch 43, flexible charging bar 5, charging aperture 51, tubular material head 52, separating part
521st, the first sealing ring 53, annular trough body 54, material spray fine crack 55, the second sealing ring 56, negative pressure Chou Liao mechanisms 6, negative pressure air-out hole
61st, annular groove 62, blind hole 621, negative pressure channel 63, U-shaped elasticity inserted sheet 7, arc locking concave surface 71, cylinder body 8, piston 81, advance
Tracheae 82, rear air inlet pipe 83.
Specific embodiment
It is the specific embodiment of utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As shown in Figure 1, this foaming charging spray gun includes gun barrel 1, gun barrel 1 is made of copper product.
Charging head 2 is equipped in the front end of gun barrel 1.As shown in figure 3, being threadedly coupled in charging head 2 with gun barrel 1 and in charging head
2 rear inside is equipped with annular guiding surface 21.
As shown in Fig. 2, Fig. 5 and Figure 12-14, the rear end of gun barrel 1 is connected with feed pipe 4 by detachable attachment mechanism 3, tool
Body, which includes being set in the connector sleeve 11 of 1 rear end of gun barrel, and the front end of feed pipe 4 inserts in connector sleeve 11
It is interior and the circumferentially positioned knot that connector sleeve 11 and feed pipe 4 can be avoided mutually to rotate is equipped between connector sleeve 11 and feed pipe 4
Structure is additionally provided with the axially position knot that connector sleeve 11 can be avoided to be mutually disengaged with feed pipe 4 between connector sleeve 11 and feed pipe 4
Structure.
Further, circumferential positioning structure connects location structure for male-female engagement formula.
Specifically, circumferential positioning structure includes the positioning step 13 for being arranged on 11 rear end inner wall of connector sleeve, in positioning step
13 are equipped with the fitting projection 14 of several even circumferentials distribution, are equipped in the front end outer wall of feed pipe 4 several for the cooperation
The locating notch 43 that protrusion 14 is inserted into one by one, the fitting projection 14 are inserted in locating notch 43.
14 both sides of fitting projection are respectively equipped with the first guiding surface, and first guiding surface is symmetrical arranged, fixed
The both sides of position notch 43 are respectively equipped with second guiding surface mutually identical with first guiding surface.
Dovetail groove is formed between two adjacent fitting projections 14.
Secondly, as shown in figs. 5 and 8, axial positioning structure includes the annular positioning groove 41 for being arranged on 4 front end of feed pipe,
The rear end of connector sleeve 11 is set to be connected there are two the middle part of symmetrically arranged inserting-plate hole 12 and inserting-plate hole 12 with 11 inside of connector sleeve, this
Structure further includes U-shaped elasticity inserted sheet 7, and the internal diameter between 7 both ends end of U-shaped elasticity inserted sheet is less than the bottom footpath of annular positioning groove 41,
And at 7 both ends of U-shaped elasticity inserted sheet, opposite inside is respectively equipped with arc locking concave surface 71, the both ends of U-shaped elasticity inserted sheet 7 one by one from
Insertion and U-shaped elasticity is inserted when the both ends of U-shaped elasticity inserted sheet 7 are inserted in respectively in annular positioning groove 41 in the inserting-plate hole 12
The both ends end of piece 7 expands outwardly and arc locking concave surface 71 is forced to be contacted with 41 slot bottom of annular positioning groove.
As shown in Fig. 2-4 and Figure 10-11, the front end of flexible charging bar 5 and flexible charging bar 5 is connected in feed pipe 4
It can extend into interior to charging head 2 and be connected with 2 inner wall sealing of charging head, is equipped in the front end of flexible charging bar 5 when charging of stretching
The front end of bar 5 is connected with 2 inner wall sealing of charging head can make the charging aperture being in communication with the outside inside gun barrel 1 51.
Specifically, tubular material head 52 is arranged in flexible charging bar 5, the first sealing is equipped in the front end sleeve of tubular material head 52
Circle 53, at least one above-mentioned charging aperture 51 positioned at 53 rear of the first sealing ring is additionally provided in the front end of tubular material head 52, the
The outer diameter of one sealing ring 53 is more than the internal diameter of charging head 2 and the first sealing ring 53 enters rear and charging head 2 inner wall in charging head 2
Form sealing.
Secondly, annular trough body 54 is equipped at 52 middle part of tubular material head, 51 quantity of charging aperture is 2-10 and circumference
It is uniformly distributed, the outer end of charging aperture 51 is connected with annular trough body 54, and the inner end of charging aperture 51 is connected with 52 inside of tubular material head.
In addition, be equipped in the middle part of 52 inner wall of tubular material head separating part 521 and separating part 521 by 52 inside points of tubular material head every
Into front chamber and rear chamber, charging aperture 51 is connected with front chamber；The second sealing ring 56 is arranged in 52 middle part outer wall of tubular material head.
Annular trough body 54 is between the first sealing ring 53 and the second sealing ring 56.
As shown in fig. 7,52 front end of tubular material head is internally provided with several spaced material spray fine cracks 55.
As in Figure 2-4, being equipped in the charging head 2 can force foaming gun barrel 1 inside to pass through charging aperture 51 and from adding
The negative pressure Chou Liao mechanisms 6 that 2 front end of material head sprays.
Specifically, the negative pressure Chou Liao mechanisms 6 of the present embodiment are arranged on the negative pressure on charging head 2 and being obliquely installed including several
Venthole 61, the front end in negative pressure air-out hole 61 is connected with 2 inside of charging head and the inclined direction in negative pressure air-out hole 61 is from charging
First 2 rear end outer wall is tilted to the front inner wall of charging head 2, and 61 rear end of negative pressure air-out hole is connected with negative pressure source of the gas.
Reaming 22 is equipped in 2 middle part inner wall of charging head, 61 front end of negative pressure air-out hole is connected with the bottom hole of reaming 22.
Secondly, reaming 22 is bellmouth, and the small head end of reaming 22 is connected with 2 front inner wall smooth excessiveness of charging head.
Further, annular groove 62 is equipped in 2 rear end of charging head, 61 rear end of negative pressure air-out hole connects with annular groove 62
It is logical, equipped with the negative pressure channel 63 axially set along gun barrel 1 and front end and the annular groove of negative pressure channel 63 on the tube wall of gun barrel 1
62 connections, the negative pressure channel 63 are connected with negative pressure source of the gas.
The negative pressure channel 63 of the present embodiment is annular negative pressure channel.
Negative pressure air-out hole 61 even circumferential distribution, after several and described negative pressure air-out holes 61 is equipped in 62 slot bottom of annular groove
The blind hole 621 connected one by one is held, 621 aperture of blind hole is more than the aperture in negative pressure air-out hole 61.
In addition, it as shown in Fig. 2, is connected with and is located in 4 rear end of feed pipe equipped with closure 42 in 4 rear end inner wall of feed pipe
The cylinder body 8 at 42 rear of closure, the front end of cylinder body 8 are connected with feed pipe 4, the back-end closure of cylinder body 8, and energy is equipped in cylinder body 8
Enough pistons 81 that front chamber and rear chamber will be separated into inside cylinder body 8, the rear end for the charging bar 5 that stretches pass through leading in closure 42
Hole 421 and stretching in cylinder body 8 is connected with piston 81, the flexible charging bar 5 and 421 clearance fit of through hole, in cylinder body 8
Front end or 4 rear end of feed pipe are connected with the preceding air inlet pipe 82 connected with front chamber, are connected in the rear end of cylinder body 8 and rear chamber
The rear air inlet pipe 83 of connection.
In addition, gun barrel 1 includes the inner tube 1a and outer tube 1b that is set on the outside of inner tube 1a, the inner tube 1a axial lines with it is outer
The axial line of pipe 1b overlaps and above-mentioned annular negative pressure channel is formed between inner tube 1a and outer tube 1b.
Negative pressure source of the gas includes being arranged on the annular air inlet duct 111 of 11 front inner wall of connector sleeve, be equipped on connector sleeve 11 with
The negative pressure inlet mouth 112 that the annular air inlet duct 111 connects, one end that connector sleeve 11 is inserted in gun barrel 1 are equipped with several supply
Hole 113, one end of air vent 113 are connected with annular air inlet duct 111, and the other end is connected with negative pressure channel 63.
As shown in figs 1-9
The operation principle of the present embodiment is as follows：
During discharge state, feed pipe 4 at this time is fed, and is foamed into gun barrel 1, and negative pressure Chou Liao mechanisms 6 at this time
It opens, i.e. then air-flow passes through annular air inlet duct 111, air vent 113, negative pressure channel 63, ring to 112 air inlet of negative pressure inlet mouth successively
Shape slot 62 and negative pressure air-out hole 61 force the foaming in gun barrel 1 to pass through charging aperture successively from tubular material head 52 by a negative pressure
It 51 and material spray fine crack 55 and finally sprays.
When stopping discharging, 82 air inlet of preceding air inlet pipe at this time then promotes flexible charging bar 5 to move backward, mobile same
When, due to flexible charging bar 5 and 421 clearance fit of through hole, at this time the clout in gun barrel 1 can be forced to be ejected, avoided
The waste of foaming.
Certainly, in discharging, above-mentioned two states can while and be deposited.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, though therefore not to repeat here, different place
It is：Negative pressure channel 63 is spiral shape negative pressure channel.
Embodiment three
The present embodiment is essentially identical with the structure and principle of embodiment one, though therefore not to repeat here, different place
It is：Negative pressure channel 63 is at least one negative pressure through-hole.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (12)
1. a kind of foaming charging spray gun, including gun barrel (1), which is characterized in that be equipped with charging head (2), rifle in the front end of gun barrel (1)
The rear end of pipe (1) is connected with feed pipe (4) by detachable attachment mechanism (3), and flexible charging bar is connected in feed pipe (4)
(5) and the front end of flexible charging bar (5) can extend into interior to charging head (2) and is connected with charging head (2) inner wall sealing, flexible
The front end of charging bar (5) is equipped with can make gun barrel (1) when the front end of flexible charging bar (5) is connected with charging head (2) inner wall sealing
The charging aperture (51) that inside is in communication with the outside is equipped with the foaming that gun barrel (1) can be forced internal by charging in charging head (2)
Hole (51) and the negative pressure Chou Liao mechanisms (6) sprayed from charging head (2) front end.
2. foaming charging spray gun according to claim 1, which is characterized in that the negative pressure Chou Liao mechanisms (6) are if include
The dry negative pressure air-out hole (61) for being arranged on charging head (2) and being obliquely installed, front end and the charging head (2) of negative pressure air-out hole (61)
The inclined direction of inside connection and negative pressure air-out hole (61) is the front inner wall from charging head (2) rear end outer wall to charging head (2)
It tilts, negative pressure air-out hole (61) rear end is connected with negative pressure source of the gas.
3. foaming charging spray gun according to claim 2, which is characterized in that described charging head (2) rear end is equipped with annular
Slot (62), negative pressure air-out hole (61) rear end are connected with annular groove (62), are equipped on the tube wall of gun barrel (1) along gun barrel
(1) negative pressure channel (63) axially set the and front end of negative pressure channel (63) is connected with annular groove (62), the negative pressure channel
(63) it is connected with negative pressure source of the gas.
4. foaming charging spray gun according to claim 3, which is characterized in that the detachable attachment mechanism (3) includes
Be set in the connector sleeve (11) of gun barrel (1) rear end, the front end of feed pipe (4) insert in connector sleeve (11) and in connector sleeve (11) and
The circumferential positioning structure that connector sleeve (11) can be avoided mutually to be rotated with feed pipe (4) is equipped between feed pipe (4), in connector sleeve
(11) axial positioning structure that connector sleeve (11) can be avoided to be mutually disengaged with feed pipe (4) is additionally provided between feed pipe (4).
5. foaming charging spray gun according to claim 4, which is characterized in that the axial positioning structure includes being arranged on
The annular positioning groove (41) of feed pipe (4) front end is set in the rear end of connector sleeve (11) there are two symmetrically arranged inserting-plate hole (12)
And the middle part of inserting-plate hole (12), with being connected inside connector sleeve (11), this structure further includes U-shaped elasticity inserted sheet (7), U-shaped elasticity inserted sheet
(7) internal diameter between the end of both ends is less than the bottom footpath of annular positioning groove (41), and in opposite interior in U-shaped elasticity inserted sheet (7) both ends
Side is respectively equipped with arc locking concave surface (71), the both ends of U-shaped elasticity inserted sheet (7) one by one from the inserting-plate hole (12) insertion and
When the both ends of U-shaped elasticity inserted sheet (7) are inserted in respectively in annular positioning groove (41) the both ends end of the U-shaped elasticity inserted sheet (7) to
It is outer to expand and arc locking concave surface (71) is forced to be contacted with annular positioning groove (41) slot bottom.
6. foaming charging spray gun according to claim 1, which is characterized in that the flexible charging bar (5) is arranged with cylinder
Shape material head (52) is equipped with the first sealing ring (53) in the front end sleeve of tubular material head (52), is also set in the front end of tubular material head (52)
There is at least one above-mentioned charging aperture (51) positioned at the first sealing ring (53) rear, the outer diameter of the first sealing ring (53), which is more than, to be added
The internal diameter and the first sealing ring (53) of material head (2) are formed into rear and charging head (2) inner wall in charging head (2) and sealed.
7. the foaming charging spray gun according to Claims 2 or 3, which is characterized in that feed pipe (4) rear end inner wall is set
Have closure (42), be connected with the cylinder body (8) positioned at closure (42) rear in feed pipe (4) rear end, the front end of cylinder body (8) with
Feed pipe (4) connects, the back-end closure of cylinder body (8), and front chamber can will be separated into inside cylinder body (8) by being equipped in cylinder body (8)
With the piston (81) of rear chamber, the rear end of flexible charging bar (5) through the through hole (421) in closure (42) and stretches to cylinder body
(8) be connected in piston (81), the flexible charging bar (5) and through hole (421) clearance fit, in the front end of cylinder body (8) or
Person's feed pipe (4) rear end is connected with the preceding air inlet pipe (82) connected with front chamber, is connected in the rear end of cylinder body (8) and rear chamber
The rear air inlet pipe (83) of connection.
8. foaming charging spray gun according to claim 2, which is characterized in that the charging head (2) and gun barrel (1) screw thread
It connects and is equipped with annular guiding surface (21) in the rear inside of charging head (2).
9. foaming charging spray gun according to claim 8, which is characterized in that inner wall is equipped in the middle part of the charging head (2)
Reaming (22), negative pressure air-out hole (61) front end are connected with the bottom hole of reaming (22).
10. foaming charging spray gun according to claim 6, which is characterized in that be equipped in the middle part of the tubular material head (52)
Annular trough body (54), the charging aperture (51) quantity are distributed for 2-10 and even circumferential, the outer end of charging aperture (51) and ring
Shape groove body (54) connects, and the inner end of charging aperture (51) inside tubular material head (52) with connecting.
11. foaming charging spray gun according to claim 10, which is characterized in that in the middle part of described tubular material head (52) inner wall
Front chamber and rear chamber, charging aperture (51) will be separated into inside tubular material head (52) equipped with separating part (521) and separating part (521)
It is connected with front chamber；Outer wall is arranged with the second sealing ring (56) in the middle part of tubular material head (52).
12. foaming charging spray gun according to claim 9, which is characterized in that the reaming (22) is bellmouth, and is expanded
The small head end in hole (22) is connected with charging head (2) front inner wall smooth excessiveness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132475.1U CN207388151U (en) | 2017-09-05 | 2017-09-05 | Foaming charging spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132475.1U CN207388151U (en) | 2017-09-05 | 2017-09-05 | Foaming charging spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207388151U true CN207388151U (en) | 2018-05-22 |
Family
ID=62416752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721132475.1U Active CN207388151U (en) | 2017-09-05 | 2017-09-05 | Foaming charging spray gun |
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| Country | Link |
|---|---|
| CN (1) | CN207388151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553807A (en) * | 2017-09-05 | 2018-01-09 | 杭州富阳创红进出口有限公司 | Foaming charging spray gun |
-
2017
- 2017-09-05 CN CN201721132475.1U patent/CN207388151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553807A (en) * | 2017-09-05 | 2018-01-09 | 杭州富阳创红进出口有限公司 | Foaming charging spray gun |
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