CN212681372U

CN212681372U - Two-in-one spray gun

Info

Publication number: CN212681372U
Application number: CN202021893678.4U
Authority: CN
Inventors: 王美; 刘思泉; 胡小鹏
Original assignee: Sanjiang Open Source Co ltd
Current assignee: Sanjiang Open Source Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-12
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a two unification spray guns, include the rifle body and trigger and connect in the conveyer pipe at rifle body rear portion, the anterior nozzle mechanism that connects for dismantling of the rifle body is for conveniently changing nozzle mechanism, is provided with the latched device who makes both locks between nozzle mechanism and the rifle body. The nozzle mechanism comprises a cylindrical and hollow shell, a connecting cover is arranged at one end, close to the gun body, of the shell, and a conical funnel-shaped nozzle is arranged at one end, far away from the gun body, of the shell. Compared with the prior art, the utility model the advantage that has is: raw materials and body of a gun part have alleviateed its structure volume, and more nimble when making the operation, the unlocking device of trigger department prevents the maloperation, and the nozzle is easily consumed a key quick change, and efficiency promotes when the continuity of operation, and whole part is simple workable, easy loading and unloading, easy washing.

Description

Two-in-one spray gun

Technical Field

The utility model belongs to the technical field of the spraying equipment, concretely relates to two unification spray guns. Is suitable for mixing double-component raw materials and foaming agents, beautifying seams of two components and the like.

Background

Coating and glue are through being widely applied to industrial manufacturing and building decoration as production auxiliary material, and current construction mode generally is two kinds for double-barrelled manual propulsion and double-barrelled pneumatic propulsion, all installs the two ingredient raw materials on the rifle body alone, extrudees two ingredient raw materials through the slide bar that advances on the rifle body forward, makes the raw materials mix the back through nozzle and inside flight and flow out to the construction surface and accomplish the operation, and there is certain drawback in this mode of operation:

1. because the raw materials are arranged on the gun body, the volume of the gun body is increased, the weight is heavier, and the flexibility is limited during operation;

2. the raw materials need to be frequently replaced during continuous operation;

3. the phenomenon of flash can occur after the gun is stopped in the operation process;

4. the manual labor intensity is large, and time and labor are wasted.

Disclosure of Invention

The utility model provides a two unification spray guns to above-mentioned problem, this spray gun separates raw materials and rifle body to simple structure, manufacturing economy, carry and use more convenient two unification spray guns.

The utility model aims at realizing through the following technical scheme: the utility model provides a two unification spray guns, includes the rifle body and trigger and connects in the conveyer pipe at rifle body rear portion, the front portion of the rifle body is for dismantling connection nozzle mechanism, for conveniently changing nozzle mechanism, is provided with between nozzle mechanism and the rifle body and can makes both locking latch mechanism fast. The nozzle mechanism comprises a cylindrical and hollow shell, a connecting cover is arranged at one end, close to the gun body, of the shell, and a conical funnel-shaped nozzle is arranged at one end, far away from the gun body, of the shell. The connecting cover is provided with two communicating pipes communicated with the inside of the shell, and the two communicating pipes extend to the outside of the connecting cover from the inside of the shell in a straight line. The inside of the shell is provided with a mixing and stirring piece which is fixed on the connecting cover. The mixing and stirring part comprises a central shaft positioned in the center and stirring blades spirally surrounding along the central shaft, and the stirring blades are arranged in a semicircular or fan shape. The interior of the gun body is provided with two conveying channels matched with the two communicating pipes, and each conveying channel is communicated with a conveying pipe at the rear part of the gun body. The rifle body is provided with a post hole that transversely runs through, sets up the pivot valve that transversely runs through in the post hole, is provided with two valve openings along radially lining up on the pivot valve, and two communicating pipes, two transfer passage of corresponding intercommunication respectively in the both ends of two valve openings. The trigger comprises a hand grip part fixed with the gun body and a pressing part hinged with the gun body, a compression spring part is arranged between the hand grip part and the pressing part, the pressing part is Y-shaped, and the upper end of the pressing part is connected with the two ends of the rotating shaft valve. There is a fretwork region at the middle part of holding the hand, this fretwork region sets up an unlocking piece, and the upper portion of this unlocking piece articulates in holding the hand, and the one end and the unlocking piece of pressure spring are contradicted, and the upper end of this unlocking piece has the conflict piece of horizontal extension, should conflict piece can with the holding the hand is contradicted, directly presses about one third department of a splenium stroke to make the unlocking piece conflict the holding the hand promptly, presses the unable continuation stroke of splenium this moment, and the inside pore has not the intercommunication to reduce the maloperation and take place. Simultaneously, press the unblock piece and rotate the back, this conflict piece can stagger with the holding hand portion, presses the portion of pressing to reach the complete stroke, and its inside valve opening link up completely with the rifle mouth and two delivery channel that correspond the intercommunication. The nozzle mechanism has connecting cover embedded into the front end of the gun body, clamping ribs in the outer part of the connecting cover and corresponding clamping slots in the front end of the gun body. The outer edge of one end of the connecting cover, which is far away from the gun body, in the nozzle mechanism is provided with two clamping hooks extending along the axial direction of the connecting cover, meanwhile, the side surface of the shell of the nozzle mechanism is provided with two support lugs corresponding to the clamping hooks, and the interior of each support lug is provided with a clamping groove connected with the clamping hook in a clamping manner. The locking mechanism comprises a locking piece hinged to the upper portion of the front end of the gun body, the locking piece is a bent strip plate, one end, facing the nozzle mechanism, of the locking piece is provided with a locking head protruding downwards relatively, meanwhile, the outer side face of the shell of the nozzle mechanism is provided with a clamping block protruding relatively, and the locking head can be abutted against the clamping block to form clamping connection. In addition, the middle part of the locking piece is provided with a push block extending downwards towards the inner direction of the gun body, the push block is positioned at the end part of the pore passage in the gun body and is in the same plane with the pore passage in the gun body in the state that the locking mechanism locks the nozzle mechanism, when the locking mechanism presses the pressing handle, the push block is protruded and props against the connecting cover, meanwhile, the lock head on the locking mechanism is separated from the clamping block on the nozzle mechanism, and the connecting cover and the nozzle mechanism push out the gun body to complete the separation of the nozzle mechanism and the gun body.

Preferably, the front part of the gun body is provided with a detachable connecting nozzle mechanism, so that different nozzle mechanisms can be replaced when different raw materials are used, and the gun body can be maintained and cleaned in a daily way.

Preferably, the nozzle mechanism housing is provided with a mixing and stirring member inside, the stirring blades may be provided in a semicircular shape or a fan shape, and the number of the stirring blades may be appropriately increased or decreased depending on the raw materials having different properties.

As preferred, for preventing the maloperation, there is a fretwork region at the middle part of holding the part, this fretwork region sets up an unlocking piece, the upper portion of this unlocking piece articulates in holding the part, and the one end of pressure spring is contradicted with the unlocking piece, the upper end of this unlocking piece has the conflict piece of horizontal extension, this conflict piece can with the holding the part is contradicted, press about one third department of a splenium stroke to make the unlocking piece conflict the holding the part promptly directly to press, press this moment and can't continue the stroke, its inside pore does not have the intercommunication, at this moment, need press the unlocking piece and rotate the back, this conflict piece just can stagger with the holding the part, press the splenium and just can reach complete stroke, its inside valve opening just can link up completely with rifle mouth and two delivery channel that correspond the.

To sum up, compared with the prior art, the utility model has the following advantages:

1. the raw material and the gun body are separated, so that the gun body is lighter and can enter narrower parts, and the application range is enlarged;

2. the time for replacing the raw materials is reduced during continuous operation, and the efficiency is improved;

3. the unlocking piece is arranged on the handle part, so that misoperation is prevented, and the glue overflow phenomenon after the gun is stopped is reduced;

4. the size of the gun nozzle and the shape, size and layer number of the fan-shaped spiral pieces can be adjusted and matched correspondingly according to different characteristics of raw materials;

5. the whole structure is simple, the assembly and disassembly can be repeated, and the cleaning and the processing are easy.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of each component of the present invention;

FIG. 3 is a front view of the spindle valve;

FIG. 4 is a cross-sectional view of a rotary shaft valve;

FIG. 5 is a cross-sectional view of the gun body;

FIG. 6 is a front view of the gun body;

FIG. 7 is a left side view of the gun body;

FIG. 8 is an isometric view of the gun body;

FIG. 9 is a cross-sectional view of the gun body, spindle valve, and nozzle mechanism in combination;

FIG. 10 is a schematic view of the structure of the coupling cap;

fig. 11 is a partial cross-sectional view of the gun body in combination with the locking mechanism.

The labels in the figure are: 1. A gun body; 11. a delivery channel; 12. a card slot; 2. a latch mechanism; 21. a lock head; 22. a push block; 23. pressing the handle; 24. a fastener; 3. a nozzle mechanism; 31. a nozzle; 32. a housing; 33. a central shaft; 34. mixing and stirring the components; 35. a stirring sheet; 36. a clamping block; 4. a trigger; 41. a pressing part; 42. unlocking the lock; 43. a contact member; 5. a compression spring member; 6. a delivery pipe; 7. a coupling cover; 71. a communicating pipe; 72. a hook; 73. a clamping rib; 8. a spindle valve; 81. a valve bore; 9. a seal ring; 10. and (6) holding the hand.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1:

as shown in fig. 1, 2 and 3, a two-in-one spray gun mainly comprises a gun body 1, a nozzle mechanism 3, a trigger 4 and two delivery pipes 6 fixedly connected to the rear end of the gun body 1.

The nozzle mechanism 3 is detachably clamped and installed at the front part of the gun body 1, specifically, the main body of the nozzle mechanism 3 is a cylindrical and hollow shell 32, one end of the shell 32 close to the gun body 1 is detachably clamped and connected with a coupling cover 7, and one end of the shell 32 far away from the gun body 1 is integrally formed and extends to form a conical funnel-shaped nozzle 31.

Inside the housing 32, there is a mixing and stirring member 34 disposed along the axial direction of the housing 32, the mixing and stirring member 34 is vertically fixed to the coupling cover 7, the mixing and stirring member 34 is mainly composed of a central shaft 33 at the center, and stirring blades 35 spirally wound along the central shaft 33, and the stirring blades 35 are disposed in a semicircular shape.

In order to communicate the nozzle mechanism 3 with the interior of the gun body 1, two symmetrically arranged communication pipes 71 are provided in the coupling cap 7, and the inner ends of the two communication pipes 71 extend straight from the interior of the housing 1 to the exterior of the coupling cap 7.

Meanwhile, two conveying channels 11 matched with the two communicating pipes 71 are arranged inside the gun body 1, and each conveying channel 11 is communicated with a conveying pipe 6 at the rear end of the gun body 1.

The middle part of the gun body 1 is also provided with a transversely-penetrated cylindrical hole, a transversely-penetrated rotary shaft valve 8 is arranged in the cylindrical hole, as shown in fig. 3, the rotary shaft valve 8 is provided with two valve holes 81 which are penetrated along the radial direction, and two ends of the two valve holes 81 are respectively and correspondingly communicated with the two communicating pipes 71 and the two conveying channels 11; thus, the nozzle mechanism 3, the gun body 1 and the delivery pipe 6 are communicated one by one, as shown in fig. 9; in order to improve the sealing performance, four sealing rings 9 are sleeved on the rotary shaft valve 8 correspondingly.

The nozzle mechanism 3 and the gun body 1 are locked by a locking mechanism 2; specifically, the main body of the locking mechanism 2 is a bent strip-shaped locking piece 24, and the rear part of the locking piece 24 is rotatably hinged at the upper end of the front part of the gun body 1 through a pin shaft which is relatively vertical and transversely protruded; the end of the catch element 24 facing the nozzle arrangement 3 is shown with a locking head 21 projecting relatively downwards. The middle of the locking piece 24 has a pushing block 24 extending downward toward the inner direction of the gun body, as shown in fig. 11, when the locking mechanism 2 locks the nozzle mechanism 3, the pushing block 24 is located at the end of the duct inside the gun body and is in the same plane with the duct, when the locking mechanism 2 presses the pressing handle 23, the pushing block 24 is protruded and abutted against the connecting cover 7, and simultaneously the locking head 21 on the locking mechanism 2 is separated from the block 36 on the nozzle mechanism 3, and the connecting cover 7 and the nozzle mechanism 3 are pushed out of the gun body, thereby completing the separation of the nozzle mechanism 3 from the gun body 1.

Meanwhile, when the nozzle mechanism 3 needs to be connected, two oppositely-arranged clamping blocks 36 which are oppositely protruded are arranged on the outer side surface of the shell 32 of the nozzle mechanism 3, and the lock 21 at the end part of the locking piece 2 can be abutted against the clamping blocks 36 to form clamping connection.

When the nozzle mechanism is installed, the coupling cover 7 in the nozzle mechanism 3 is embedded into the front end of the gun body 1, two symmetrical clamping ribs 73 which are relatively protruded are arranged outside the coupling cover 7, and two clamping grooves 12 corresponding to the clamping ribs 73 on the coupling cover 7 are arranged on the inner side of the front end of the gun body 1, as shown in fig. 8, 9 and 10.

The coupling cover 7 of the nozzle mechanism 3 is provided with two symmetrical hooks 72 extending along the axial direction of the coupling cover 7 at the outer edge of one end of the coupling cover 7 away from the gun body 1, meanwhile, the side surface of the casing 32 of the nozzle mechanism 3 is provided with two support lugs 37 corresponding to the two hooks 72 in position, the support lugs 37 are internally provided with clamping grooves capable of being correspondingly clamped and connected with the two hooks 72, and then the coupling cover 7 and the casing 32 are detachably clamped and connected through the clamping hooks 72 and the clamping grooves.

The trigger comprises a grip part 10 fixed with the gun body 1 and a pressing part 41 hinged with the gun body 1, wherein a pressure spring element 5 is arranged between the grip part 10 and the pressing part 41, and the pressure spring element 5 is abutted between the grip part 10 and the pressing part 41 in a V shape; specifically, the pressing portion 41 is Y-shaped, and two upper ends of the pressing portion 41 are correspondingly connected to two ends of the rotary shaft valve 8.

The middle part of the handle part 10 is provided with a long and narrow hollow area, an unlocking piece 42 is arranged in the hollow area, the unlocking piece 42 is a strip plate piece bent in a small range, the upper part of the unlocking piece 42 is hinged to the pressing part 41 through a pin shaft, one end of the pressure spring piece 5 is abutted against the unlocking piece 42, the upper end of the unlocking piece 42 is provided with an abutting piece 43 extending transversely, and when the pressing part 41 is close to the handle part 10, the abutting piece 43 can abut against the handle part 10; if the unlocking member 42 is first pressed and rotated, the interference member 43 can be displaced from the grip portion 10 to eliminate the interference.

When in use: the raw materials is through can the pressure boost container exerting pressure, get into the rifle body 1 through conveyer pipe 6, detain the deblocking spare 42 on the trigger 4 earlier, unite the deblocking spare again and detain the splenium of pressing the trigger simultaneously, it rotates simultaneously to drive pivot valve 8 when pressing the portion pivoted, make its inside valve opening of pivot valve link up with rifle mouth and two delivery channel that correspond the intercommunication completely, the raw materials gets into rifle mouth 3, through the inside mixed stirring spare 34 of rifle mouth, the raw materials is evenly blended, to construction department, accomplish the operation.

In particular, it is pointed out that: the size of the gun nozzle and the shape, size and layer number of the fan-shaped spiral pieces can be correspondingly adjusted and matched according to different characteristics of raw materials.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a two unification spray guns, includes rifle body (1) and trigger (4), connects in conveyer pipe (6) at rifle body rear portion, its characterized in that, the anterior of rifle body is for dismantling connection nozzle mechanism (3), is provided with between nozzle mechanism and the rifle body and makes latched device (2) of both lockings.

2. The two-in-one spray gun according to claim 1, wherein the nozzle mechanism comprises a cylindrical and hollow shell (32), a coupling cover (7) is arranged at one end of the shell close to the gun body, and a conical funnel-shaped nozzle (31) is arranged at one end of the shell far away from the gun body; the coupling cover is provided with two communicating pipes (71) communicated with the inside of the shell, and the two communicating pipes extend to the outside of the coupling cover from the inside of the shell in a straight line.

3. The two-in-one spray gun according to claim 2, wherein a mixing and stirring member (34) is provided inside the housing, and is fixed to the coupling cover; the mixing and stirring member comprises a central shaft (33) positioned in the center and stirring blades (35) spirally surrounding along the central shaft, wherein the stirring blades are arranged in a semicircular or fan shape.

4. The two-in-one spray gun according to claim 2, characterized in that the gun body is provided with two delivery channels (11) matching with the two communicating pipes, each delivery channel being communicated with a delivery pipe at the rear of the gun body.

5. The two-in-one spray gun according to claim 4, characterized in that the gun body is provided with a column hole which transversely penetrates through the gun body, a rotating shaft valve (8) which transversely penetrates through the column hole is arranged in the column hole, two valve holes (81) which radially penetrate through the rotating shaft valve are arranged on the rotating shaft valve, and two ends of the two valve holes are respectively correspondingly communicated with the two communicating pipes and the two conveying channels (11).

6. The two-in-one spray gun according to claim 5, wherein the trigger comprises a grip part (10) fixed with the gun body and a pressing part (41) hinged with the gun body, and a compression spring element (5) is arranged between the grip part and the pressing part; the pressing part is Y-shaped, and the upper end of the pressing part is connected with the two ends of the rotating shaft valve.

7. The two-in-one spray gun according to claim 6, wherein the pressing portion has a hollow area in the middle thereof, the hollow area is provided with an unlocking member (42), the upper portion of the unlocking member is hinged to the pressing portion, one end of the pressure spring abuts against the unlocking member, the upper end of the unlocking member has a laterally extending abutting member (43) which can abut against the grip portion; simultaneously, will separate the latch release spare and press rotatory back, this conflict piece can stagger with the holding hand portion.

8. The two-in-one spray gun according to claim 2, wherein the coupling cover of the nozzle mechanism is inserted into the front end of the gun body, the outer part of the coupling cover is provided with a relatively raised blocking rib (73), and the inner side of the front end of the gun body is provided with a clamping groove (13) corresponding to the blocking rib of the coupling cover.

9. The two-in-one spray gun according to claim 2, wherein the coupling cover of the nozzle mechanism has two hooks (72) extending along the axial direction of the coupling cover at the outer edge of the end far away from the gun body, and the side surface of the housing of the nozzle mechanism is provided with two support lugs (37) corresponding to the positions of the hooks, and the support lugs are internally provided with clamping grooves connected with the hooks in a clamping manner.

10. The two-in-one spray gun according to claim 1, characterized in that the locking mechanism comprises a locking piece (24) hinged to the upper part of the front end of the gun body, the locking piece is a bent strip plate, one end of the locking piece facing the nozzle mechanism is provided with a locking head (21) which is relatively protruded downwards, and meanwhile, the outer side surface of the shell of the nozzle mechanism is provided with a clamping block (36) which is relatively protruded, and the locking head can be abutted with the clamping block to form clamping connection.