CN214211069U

CN214211069U - Spray gun device

Info

Publication number: CN214211069U
Application number: CN202023277868.6U
Authority: CN
Inventors: 余帆; 陈县萍
Original assignee: Shanghai Jiuyuan Petrochemical Co ltd
Current assignee: Shanghai Jiuyuan Petrochemical Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a spray gun device, which comprises a spray component, a cleaning box and a flow guide piece, wherein the spray component comprises a lower kettle, a spray handle, a spray amplitude regulating valve and a flow regulating valve; the spray amplitude regulating valve is used for regulating the amplitude of liquid sprayed by the spray handle; the flow regulating valve is used for regulating the flow of the liquid entering the spraying handle; one end of the cleaning box is connected with the spraying handle, and the other end is communicated with the lower kettle through the flow guide piece; the cleaning box comprises a filtering component, a first cavity and a second cavity, wherein the first cavity and the second cavity are separated by the filtering component; the filtered liquid flows into the lower pot through the diversion piece; this application has improved the abluent convenience of spray gun.

Description

Spray gun device

Technical Field

The utility model relates to a spray gun device technical field, specifically speaking relates to a spray gun device.

Background

The adhesive is a substance having excellent adhesive properties and functions to join objects by surface adhesion through adhesion and cohesion. The aqueous polyurethane adhesive belongs to one kind of adhesive, and the aqueous polyurethane adhesive is subjected to glue preparation, gluing, drying/activating and bonding processes in the using process. The sizing process requires spraying in some applications, for example, vacuum plastic adhesive industry, automobile primers, fabric coatings, etc. Aiming at the conditions of non-thick glue layer, irregular surface, porous material, grooves, corners and the like, the uniform and smooth surface gluing of the material can be ensured by spraying.

When switching different adhesive spraying, still remain a last adhesive in the spray gun, consequently need wash the spray gun inside, need dismantle the nozzle of spray gun during the washing, install the use again after wasing.

However, laboratories typically need to use multiple adhesives for testing during the development phase, i.e., laboratories need to use a large number of different adhesives for the verification of the bonding process. If the nozzle needs to be disassembled, cleaned and installed when replacing one adhesive, and the disassembling and installing process of the nozzle is complex, time and labor are wasted due to frequent disassembling. On the other hand, if the cleaning agent is put into the lower pot and directly sprayed for cleaning, the solvent can be atomized and sputtered around, and the surrounding environment is polluted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a spray gun device for when the adhesive was changed to the spray gun device, need not frequently dismantle abluent prerequisite under, can wash the spray gun fast conveniently.

According to one aspect of the utility model, a spray gun device is provided, the device comprises a spray component, a cleaning box and a flow guide piece, the spray component comprises a lower kettle, a spray handle, a spray width regulating valve and a flow regulating valve, the lower kettle is connected with the spray handle, and the spray width regulating valve and the flow regulating valve are arranged on the spray handle; the spray amplitude regulating valve is used for regulating the amplitude of liquid sprayed by the spray handle; the flow regulating valve is used for regulating the flow of the liquid entering the spraying handle;

one end of the cleaning box is connected with the spraying handle, and the other end of the cleaning box is communicated with the lower kettle through the flow guide piece; the cleaning box comprises a filtering component, a first cavity and a second cavity, wherein the first cavity and the second cavity are separated by the filtering component, the first cavity is used for containing liquid to be filtered, and the second cavity is used for containing filtered liquid obtained after the liquid to be filtered is filtered by the filtering component; the filtered liquid flows into the lower pot through the diversion piece.

Optionally, the filter assembly is of a V-shaped structure, and the opening of the filter assembly faces the top of the washing box.

Optionally, the spray assembly further comprises an air adjustment valve disposed on the spray handle for adjusting the flow of air into the spray handle.

Optionally, a nozzle is arranged on the spray handle, and the spray handle is connected with the cleaning box through the nozzle.

Optionally, the nozzle with it is fixed to wash the box joint, the periphery of nozzle is equipped with a plurality of beads, wash the box be used for with the tip inboard of nozzle butt joint be equipped with a plurality of recesses that the bead corresponds, the bead with the recess counterpoint joint.

Optionally, an included angle is formed between the inclined surface of the V-shaped structure and the bottom of the second cavity, and the angle interval of the included angle is 45 ° to 60 °.

Optionally, a housing of a portion of the cleaning box corresponding to the second cavity is a hemispherical structure, and a bottom of the hemispherical structure is communicated with the lower pot through the diversion member.

Optionally, the cleaning box is provided with two clamping grooves on an end peripheral wall opposite to the end peripheral wall butted with the nozzle, two convex clamping points are arranged on the peripheral wall of the nozzle, and the clamping points are embedded into the clamping grooves, so that the nozzle is clamped in the cleaning box in a sliding manner.

Optionally, an inner wall of an end portion of the cleaning box, which is used for being in butt joint with the nozzle, is provided with an annular inner shoulder, and an end portion of the nozzle abuts against the annular inner shoulder.

Optionally, the spray handle further comprises a trigger switch for enabling the spray handle to open and close the spray liquid.

Compared with the prior art, the utility model beneficial effect lie in:

the spray gun device provided by the utility model realizes that when the spray gun is cleaned after the adhesive is frequently replaced, the nozzle is not required to be frequently disassembled for cleaning, and only the cleaning agent is required to be put into the lower pot for direct spraying and cleaning, thereby improving the convenience degree of cleaning the spray gun; and the cleaning process has no pollution to the environment, and the cleaning agent can be recycled.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of a spray gun device disclosed by the embodiment of the invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, materials, devices, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising," "having," and "providing" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1, the utility model discloses a spray gun device. The spray gun apparatus includes a spray assembly, a cleaning cartridge 101, and a guide member 102. The spraying assembly comprises a lower kettle 103, a spraying handle 104, a spraying amplitude regulating valve 105, an air regulating valve 106 and a flow regulating valve 107.

The lower pot 103 is connected to the spray handle 104. The jet width control valve 105 and the flow rate control valve 107 are provided on the jet handle 104. The lower pot 103 is used for containing cleaning agent. The spray handle 104 is provided with a nozzle 108. The spray handle 104 is connected to the cleaning cartridge 101 through the nozzle 108. The spray handle 104 further comprises a trigger switch 109, and the trigger switch 109 is used for turning on and off the spray liquid of the spray handle 104.

The spray width adjusting valve 105 is used to adjust the amplitude of the liquid sprayed from the spray handle 104, that is, the angular amplitude, that is, the angular range of the sprayed liquid. The flow control valve 107 is used to regulate the flow of liquid from the lower pot 103 into the spray handle 104. The air adjustment valve 106 is provided on the spray handle 104. An air adjustment valve 106 is used to adjust the flow of air into the spray handle 104. The liquid is the cleaning agent.

One end of the cleaning box 101 is connected to the spray handle 104, and the other end is connected to the lower pot 103 through the guide member 102. The cleaning cartridge 101 includes a filter assembly 110, and a first chamber 111 and a second chamber 112 separated by the filter assembly 110. The first chamber 111 is intended to contain the liquid to be filtered, i.e. the washing agent with the adhesive. The second cavity 112 is used for accommodating a filtered liquid obtained by filtering the liquid to be filtered through the filter assembly 110, that is, a filtered cleaning agent. The filtered liquid flows into the lower pot 103 through the guide member 102.

In this application, an opening 113 is formed on the sidewall of the lower pot 103, and the cleaning box 101 is connected to the opening 113 through the flow guide member 102. The flow guide member 102 can be sleeved in the opening 113. The application is not limited to the connection between the baffle member 102 and the opening 113.

In this embodiment, the filter assembly 110 has a V-shaped structure, and the opening of the filter assembly 110 faces the top of the cleaning box 101. The bottom of the cleaning box 101 is connected to a lower pot 103. The top and bottom of the cleaning cartridge 101 are opposite. This allows the filter assembly 110 to have a large contact area with the cleaning agent with the adhesive, thereby enhancing the filtering effect.

In this embodiment, the nozzle 108 and the cleaning cartridge 101 are fixed by being engaged with each other. The periphery of the nozzle 108 is provided with a plurality of ribs, the inner side of the port of the cleaning box 101, which is used for being butted with the nozzle 108, is provided with a plurality of grooves corresponding to the ribs, and the ribs and the grooves are in contraposition clamping connection. The cleaning box 101 is convenient and fast to disassemble during cleaning, and cleaning efficiency is improved.

In a preferred embodiment of the present invention, the housing of the cleaning box 101 corresponding to the second cavity 112 has a hemispherical structure, and the bottom of the hemispherical structure is connected to the lower pot 103 through the diversion member 102. Thus, the filtered cleaning agent can flow back to the lower kettle 103 quickly, and the cleaning efficiency is improved.

As a preferred embodiment of the present application, the inclined surface of the V-shaped structure forms an included angle with the bottom of the second cavity 112, and the included angle is 45 ° to 60 °. This allows the filter assembly 110 to have a large contact area with the cleaning agent with the adhesive, thereby enhancing the filtering effect.

In a preferred embodiment of the present invention, two locking grooves are oppositely formed on an end wall of the cleaning box 101 for abutting against the nozzle 108, and two protruding locking points are formed on an outer circumferential wall of the nozzle 108, and the locking points are inserted into the locking grooves, so that the nozzle 108 is slidably locked to the cleaning box 101. The cleaning box 101 is convenient and fast to disassemble during cleaning, and cleaning efficiency is improved.

In a preferred embodiment of the present invention, an inner wall of an end portion of the cleaning cartridge 101, which is adapted to be abutted against the nozzle 108, is provided with an annular inner shoulder, and an end portion of the nozzle 108 abuts against the annular inner shoulder. Therefore, the sealing effect of the spray gun device during cleaning can be improved, and the cleaning effect is improved.

As a preferred embodiment of the present application, a sealing ring is disposed on the annular inner shoulder, and the sealing ring is located between the end of the nozzle 108 and the annular inner shoulder, so that the sealing effect of the spray gun device during cleaning can be improved, and the cleaning effect can be improved.

In specific implementation, the cleaning agent in the lower pot 103 passes through the spray gun device, the adhesive remained in the spray gun device is brought into the cleaning box 101, a settling agent is placed in the cleaning box 101, and the cleaning agent with the adhesive can settle at the lower part of the cleaning box 101. After the cleaning agent with the adhesive passes through the filter assembly 110, the adhesive stays on the filter assembly 110, and the cleaning agent flows back to the lower pot 103. After the cleaning is finished, the cleaning box 101 and the lower pot 103 filled with the cleaning agent are detached, the adhesive is replaced, the opening of the lower pot 103 is sealed by the sealing cover, and the spraying can be continued.

Taking a test experiment of 20 groups of adhesives in a certain laboratory as an example, before optimization (in the prior art), a spray gun nozzle needs to be disassembled, cleaned and installed 20 times, the time is 60 minutes, 400ml of cleaning agent is needed, 200ml of waste liquid is caused, and VOC (volatile organic substances) emission is caused to the environment.

Through adopting the technical scheme of this application, the washing box is dismantled in the installation, washs and remains the adhesive and need 13 minutes, needs 50ml of cleaner, causes 50 ml's waste liquid, has less VOC to the environment and has discharged.

To sum up, the utility model discloses an injection apparatus has following advantage at least:

the spraying device disclosed by the embodiment realizes that when the spray gun is required to be cleaned after the adhesive is frequently replaced, the nozzle is not required to be frequently disassembled for cleaning, and only the cleaning agent is required to be put into the lower pot for direct spraying and cleaning, so that the convenience degree of cleaning the spray gun is improved; and the cleaning process has no pollution to the environment, and the cleaning agent can be recycled.

In the description of the present invention, it is to be understood that the terms "bottom", "longitudinal", "lateral", "up", "down", "front", "back", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the structures or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more and "several" means one or more unless otherwise specified.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A spray gun device is characterized by comprising a spraying assembly, a cleaning box and a flow guide piece, wherein the spraying assembly comprises a lower kettle, a spraying handle, a spraying amplitude regulating valve and a flow regulating valve; the spray amplitude regulating valve is used for regulating the amplitude of liquid sprayed by the spray handle; the flow regulating valve is used for regulating the flow of the liquid entering the spraying handle;

2. The spray gun apparatus of claim 1 wherein said filter assembly is of a V-shaped configuration and opens toward the top of said purge box.

3. The spray gun apparatus of claim 1, wherein said spray assembly further comprises an air adjustment valve disposed on said spray handle for adjusting the flow of air into said spray handle.

4. The spray gun apparatus of claim 1 wherein said spray handle is provided with a spray nozzle, said spray handle being connected to said cleaning cartridge through said spray nozzle.

5. The spray gun device as claimed in claim 4, wherein the nozzle is snap-fitted to the cleaning box, the nozzle has a plurality of ribs on its outer periphery, and the cleaning box has a plurality of grooves corresponding to the ribs on its inner side at its end for abutting against the nozzle, and the ribs are snap-fitted to the grooves.

6. The spray gun apparatus of claim 2 wherein the angled face of the V-shaped structure forms an angle with the bottom of the second chamber, the angle being in the range of 45 ° to 60 °.

7. The spray gun apparatus as claimed in claim 1, wherein the housing of the cleaning box corresponding to the second chamber has a hemispherical structure, and the bottom of the hemispherical structure is connected to the lower pot through the flow guide.

8. A spray gun device as claimed in claim 4, in which the cleaning cartridge has two opposed notches in the peripheral wall of the end thereof for abutment with the nozzle, and the nozzle has two projecting catches on the peripheral wall thereof, the catches being received in the notches to allow the nozzle to be slidably engaged with the cleaning cartridge.

9. A spray gun device as claimed in claim 8, in which the inner wall of the end of the cleaning cartridge for abutment with the nozzle is provided with an annular internal shoulder against which the end of the nozzle abuts.

10. The spray gun apparatus of claim 1, wherein said spray handle further comprises a trigger switch for enabling opening and closing of said spray handle for spraying liquid.