CN218020826U - Rotary locking piece and flip type opening and closing nozzle cover using same - Google Patents

Abstract

The application relates to the field of ink jet printers, and discloses a flip formula that rotates retaining member and use this rotation retaining member shower nozzle cover that opens and shuts, and the shower nozzle is covered and is provided with the ink jet, and the shower nozzle cover is including rotating lower cover and the upper cover of connecting, and lower cover fixed connection is provided with the rotation retaining member on the shower nozzle subassembly between upper cover and the lower cover. This application has and need not stop the ink line and realize carrying out abluent effect to the shower nozzle.

Description

Rotary locking piece and flip type opening and closing nozzle cover using same

Technical Field

The application relates to the field of continuous ink jet printers, in particular to a rotating locking piece and a flip type opening and closing nozzle cover using the rotating locking piece.

Background

The sprayer comprises a sprayer component and a sprayer cover covered on the sprayer component, the sprayer component comprises a mounting plate, a nozzle fixed on the mounting plate, a charging electrode, a phase detection electrode and a deflection plate, the charging electrode, the phase detection electrode and the deflection plate are sequentially arranged at the position of the nozzle hole in the nozzle, the deflection plate is two high-pressure plates arranged in parallel, high pressure is output during working, an ink jet opening is formed in the nozzle cover, and a recoverer is generally arranged in the ink jet opening.

The spray head needs cleaning maintenance at variable time in the process of spray printing operation so as to remove accumulated ink which influences the quality and performance of spray printing. And traditional shower nozzle cover adopts monolithic structure mostly, need wholly dismantle the shower nozzle cover when wasing the shower nozzle get off, and the installation is gone back again after wasing to finish. The need to disassemble the head cover inevitably interrupts the high pressure output during cleaning, causing a pause in the jet printing function.

In the process of implementing the related art, the inventors found that at least the following problems exist in the related art: due to the particularity of some industries, ink lines need to be uninterrupted when the spray head is cleaned, and the continuous spray printing function needs to be kept for a short time, for example, in the cable industry, an ink jet printer which can be selected and can be cleaned daily by the uninterrupted spray printing function needs to be developed.

SUMMERY OF THE UTILITY MODEL

In order to enable the cleaning work of the spray head to be met without interrupting spray printing, the application provides a rotating locking piece and a flip type opening and closing spray head cover using the rotating locking piece.

On the one hand, the rotation retaining member that this application provided adopts following technical scheme:

rotate the retaining member, including first connecting portion and the second connecting portion that rotate the connection, first connecting portion with be provided with the fixed retaining member of angle between the second connecting portion, be provided with the fixed slot on the first connecting portion, correspond on the second connecting portion the position of fixed slot is provided with the fixed orifices, the fixed retaining member of angle is worn to locate in the fixed slot and fixed connection be in the fixed slot.

Through adopting above-mentioned technical scheme, rotate the first connecting portion and the second connecting portion of connection, not only can realize the pivoted function, can also realize the locking behind first connecting portion and the second connecting portion turned angle, facilitate the use.

Preferably, the angle fixing locking piece comprises a release screw fixed in a fixing hole on the second connecting part, and the fixing groove comprises a thread groove.

Through adopting above-mentioned technical scheme, adopt the pine to not take off the advantage of screw lies in that the screw is loose but can not drop, consequently, can realize locking fixed angle when screwing screw to thread groove, can realize the pivoted effect when unscrewing the screw to breaking away from the thread groove.

Preferably, a positioning assembly is further arranged between the first connecting portion and the second connecting portion and comprises a positioning pin and an elastic piece, a telescopic groove for the positioning pin to stretch is formed in the first connecting portion, the positioning pin is connected in the telescopic groove in a telescopic mode, the elastic piece is abutted to the telescopic groove and the positioning pin, and a positioning groove is formed in the position, corresponding to the positioning pin, of the second connecting portion.

Through adopting above-mentioned technical scheme, adopt the mode of elastic component and locating pin cooperation constant head tank to realize the provisional fixation of the turned angle between first connecting portion and the second connecting portion, simple structure easily realizes, convenient regulation.

On the other hand, the flip open-close spray head cover provided by the application adopts the following technical scheme:

the utility model provides a flip formula shower nozzle cover that opens and shuts, uses foretell rotation retaining member, and the shower nozzle covers and is provided with the ink jet corresponding nozzle department, the shower nozzle cover is including rotating lower cover and the upper cover of connecting, lower cover fixed connection is on the shower nozzle subassembly, the upper cover in be provided with the rotation retaining member between the lower cover.

By adopting the technical scheme, the open-cover type spray head cover is adopted, so that the upper cover can be opened and temporarily positioned in the process of cleaning the spray head, and the cleaning is convenient; after cleaning and closing, the upper cover is closed, and the upper cover is locked and fixed on the lower cover by rotating the locking piece, so that subsequent safe work is facilitated; the structure is simple, and the cost is saved; the trouble that the traditional spray head needs to stop ink and disassemble the spray head cover during cleaning is solved, and convenience is brought to industries which are not convenient for interrupting ink lines.

Preferably, a first electromagnetic switch is arranged between the upper cover and the lower cover and/or between the upper cover and the spray head assembly, the first electromagnetic switch comprises a first magnet and a first magnetic induction switch, and the first magnetic induction switch is electrically connected to the inkjet printer controller.

By adopting the technical scheme, when high-pressure output in the nozzle needs to be stopped during cleaning, the first magnetic induction switch induces the approaching and the departing of the magnet to detect whether the upper cover is in an open state, and when the upper cover is in the open state, the ink-jet printer controller can control to close the high-pressure output of the deflection plate on the nozzle assembly, so that the safe work during cleaning is ensured; in the process, the ink line is not stopped, and code spraying is not carried out temporarily; after cleaning, the upper cover is buckled, and the ink jet printer can be powered on immediately to continuously jet ink, so that the time interval of stopping and restarting the nozzle is reduced in the process, and the improvement of the working efficiency is facilitated.

Preferably, a second electromagnetic switch is arranged between the lower cover and an installation part for installing the lower cover, the second electromagnetic switch comprises a second magnet and a second magnetic induction switch, and the second magnetic induction switch is electrically connected to the inkjet printer controller.

Through adopting above-mentioned technical scheme, in order to further improve the security in the use, be provided with the second electromagnetic switch between lower cover and its installation department and detect whether the lower cover breaks away from the installation department, under the operating mode that allows to stop the ink line, in case the shower nozzle is dismantled to wash, also can close the high-pressure output of deflector in the same way, play dual safety protection's purpose.

Preferably, the inner wall of the lower cover is provided with a positioning piece, and an embedded groove matched with the positioning piece in an inserted manner is formed in the position, corresponding to the positioning piece, of the spray head assembly.

Through adopting above-mentioned technical scheme, adopt locating pin cooperation embedded groove, can realize quick accurate positioning between lower cover and the shower nozzle subassembly to realize the alignment of nozzle and nozzle opening.

Preferably, the nozzle cap has a circular cross-section.

By adopting the technical scheme, in the ink-jet printer industry, most of nozzles and nozzle covers are designed on the basis of circular sections in order to facilitate manufacturing and clamping of the nozzles; in consideration of design convenience, the design of the open-cover type spray head cover is mostly inclined to adopt a spray head with a square or rectangular cross section, and the open-cover type spray head with the square or rectangular cross section is more suitable for being adopted by a brand-new ink jet printer which is newly put into the market; therefore, the existing spray heads with a large number of circular cross sections are matched with the open-cover type spray head cover, so that the cost is saved to a certain extent, and the spray head cover is more suitable for industrial requirements.

Preferably, the head cover is provided with a waste discharge port.

Through adopting above-mentioned technical scheme, the waste discharge mouth is favorable to in the cleaning process, the outflow of washing liquid.

Preferably, the nozzle cover is provided with an air pressure balancing port.

Through adopting above-mentioned technical scheme, the atmospheric pressure balancing mouth is favorable to the atmospheric pressure in the balanced shower nozzle cover to reduce the deflection influence to the ink line.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the application provides a design scheme of a nozzle cover supporting a turnover cover, and solves the problem that the traditional nozzle cleaning needs to stop ink and disassemble the nozzle cover, which causes troubles to industries inconvenient for interrupting ink lines;

2. the universal circular-section-based spray head cover is adaptive to the existing large number of spray heads designed and manufactured based on the circular section, so that the cost is saved to a certain extent, and the universal circular-section-based spray head cover is more suitable for industrial requirements;

3. the double electromagnetic detection switches are arranged on the spray head cover, so that the high-voltage output on the spray head can be conveniently and timely closed by the air device of the ink jet printer, and the safety is favorably improved.

Drawings

FIG. 1 is a schematic structural view of a head cover according to an embodiment of the present invention in a use state;

FIG. 2 is a schematic structural view illustrating an open state of a head cover in an embodiment of the present application;

FIG. 3 is an exploded view of the nozzle cap in an embodiment of the present application;

FIG. 4 is a sectional view showing a closed state of the head cover in the embodiment of the present application;

fig. 5 is a sectional view showing an open state of the head cover in the embodiment of the present application.

Reference numerals: 1. an upper cover; 2. a lower cover; 3. a first magnet; 4. a first magnetic induction switch; 5. a second magnet; 6. a second magnetic induction switch; 7. a positioning member; 8. a first connection portion; 9. a second connecting portion; 10. rotating the support shaft; 11. fixing grooves; 12. a fixing hole; 13. a captive screw; 14. positioning pins; 15. an elastic member; 16. a telescopic groove; 17. positioning a groove; 18. an ink ejection port; 19. a waste discharge port; 20. an air pressure balancing port; 21. a hole of abdication; 22. and (5) jacking the screw.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a flip open-close sprayer cover. Referring to fig. 1 and 2, a flip open/close nozzle cap is based on a common nozzle cap with a circular cross section in the industry, the nozzle cap is used for covering a nozzle assembly, and an ink jetting port 18 is arranged on the end surface of the nozzle cap corresponding to a nozzle. The shower nozzle cover includes articulated lower cover 2 and upper cover 1, and lower cover 2 fixed mounting is on the shower nozzle subassembly, and upper cover 1 realizes the fixed function of articulated function and relative angle through rotating the retaining member between lower cover 2.

Referring to fig. 2 and 3, in order to detect whether the upper cover 1 is in an opened state in real time, a first electromagnetic switch is installed between the upper cover 1 and the lower cover 2 and/or between the upper cover 1 and the head assembly. In the embodiment of the present application, the first electromagnetic switch is disposed on the upper cover 1 and the nozzle assembly, and is away from one end of the rotating lock member. The first electromagnetic switch comprises a first magnet 3 and a first magnetic induction switch 4, and the first magnetic induction switch 4 is electrically connected to the inkjet printer controller; a first fixed seat is fixedly arranged on the inner side wall of the upper cover 1, and a first magnet 3 is arranged on the first fixed seat; the first magnetic induction switch 4 is set as a reed switch or a hall element, and is used with the first magnet 3. When the upper cover 1 is opened, the first magnetic induction switch 4 acts, and the ink jet printer controller detects the change of a signal generated by the action, so that the high-voltage output on the deflection plate of the ink jet printer assembly is closed, the ink line does not stop at the moment, and the cleaning of the nozzle can be safely realized. When the upper cover 1 is closed, the first magnetic induction switch 4 acts, and the code spraying machine controller detects the change of a signal generated by the action, so that high-voltage output on a deflection plate of the code spraying assembly is kept, and normal code spraying work is continued. In the process, the disassembly and assembly of the nozzle and the time interval for stopping the ink line restarting are reduced, and the improvement of the working efficiency is facilitated.

In order to further improve the safety in the using process, as the lower cover 2 is clamped on the corresponding mounting bracket, a second electromagnetic switch is arranged between the lower cover 2 and the mounting part for mounting the lower cover 2, the second electromagnetic switch comprises a second magnet 5 and a second magnetic induction switch 6, a second fixed seat is fixedly mounted on the outer side of the lower cover 2, and the second magnet 5 is mounted on the second fixed seat; the second magnetic induction switch 6 is set to be a reed switch or a Hall element and is matched with the second magnet 5 for use, and the second magnetic induction switch 6 is electrically connected to the ink-jet printer controller. A second electromagnetic switch is arranged between the lower cover 2 and the installation part of the lower cover to detect whether the lower cover 2 is separated from the installation part, and under the working condition that the ink line is allowed to stop, once the spray head is detached for cleaning, the high-pressure output of the deflection plate can be closed, so that the aim of double safety protection can be fulfilled.

In the in-process of equipment, in order to realize quick accurate location between lower cover 2 and the shower nozzle subassembly to realize the alignment of nozzle and nozzle opening, the inner wall vertical fixation who covers 2 tip has wholly to be columniform setting element 7, and the position that corresponds setting element 7 on the shower nozzle subassembly is provided with the embedded groove of pegging graft complex with setting element 7. The position of the end face of the nozzle cover corresponding to the positioning piece 7 is provided with the abdicating hole 21, so that the stroke of the ink line in the nozzle cover is not easy to be lengthened due to the existence of the positioning piece 7, and the abdicating hole 21 is not easy to influence the ink jet effect of the ink jet printer.

One side of the end face of the lower cover 2, which is far away from the bottom of the upper cover 1, is provided with a waste discharge port 19, which is beneficial to facilitating the outflow of waste liquid in the cleaning process. The nozzle cover is provided with 2 symmetrical air pressure balancing ports 20 to balance the air pressure in the nozzle cover and reduce the deflection influence of the air flow on the ink line.

Referring to fig. 3 to 5, the rotary locking member includes a first connecting portion 8 and a second connecting portion 9 which are rotatably connected, the first connecting portion 8 is fixedly welded to an outer side wall of the lower cover 2, the second connecting portion 9 is fixedly welded to an outer side wall of the upper cover 1, and the first connecting portion 8 and the second connecting portion 9 are hinged by a rotary support shaft 10. An angle fixing locking piece is arranged between the first connecting portion 8 and the second connecting portion 9, a fixing groove 11 with a thread groove arranged therein is formed in one side, facing the upper cover 1, of the first connecting portion 8, and an acute angle is formed between a direction line of a notch direction of the fixing groove 11 and the lower cover 2. The second connecting portion 9 is provided with a fixing hole 12 corresponding to the position of the fixing groove 11, the angle fixing locking piece is provided with a release screw 13, and the release screw 13 is riveted in the fixing hole 12 and can be connected in the fixing groove 11 in a threaded mode. When the upper cover 1 is covered, the screwing-loosening-preventing screw 13 is fixed in the thread groove, so that the upper cover 1 and the lower cover 2 are locked and fixed. When cleaning is required, the captive screw 13 is unscrewed to leave the thread groove, and there is no fear that the captive screw 13 falls off. Therefore, the rotating locking piece not only can realize the rotating function, but also can realize the locking after the upper cover 1 is closed, thereby being convenient for use.

In order to further facilitate the use, so that the upper cover 1 can be quickly positioned after being opened, a positioning assembly is further arranged between the first connecting part 8 and the second connecting part 9. The positioning assembly comprises a positioning pin 14 and an elastic member 15, the elastic member 15 being provided as a spring. A side surface of the first connecting portion 8, which is far away from the upper cover 1, is provided with a through hole which penetrates through the side surface, the through hole is close to one end of the upper cover 1, a jackscrew 22 is installed at one end of the through hole, the jackscrew 22 and the through hole form a telescopic groove 16 for the locating pin 14 to stretch, and the telescopic groove 16 is opened to be far away from one side of the upper cover 1. The positioning pin 14 is telescopically connected in the telescopic groove 16, and the spring is abutted between the groove bottom of the telescopic groove 16 and the end face of the positioning pin 14 embedded in the telescopic groove 16. The end of the positioning pin 14 is a spherical surface, and a groove-shaped positioning groove 17 is formed in the position of the second connecting part 9 corresponding to the positioning pin 14. After the upper cover 1 is opened, the positioning pin 14 is embedded into the positioning groove 17 under the action of the spring to realize the positioning effect, and the cleaning is convenient.

The implementation principle of the flip open-close spray head cover in the embodiment of the application is as follows: in order to facilitate the preparation and the clamping shower nozzle, the degree of difficulty that the design of shower nozzle cover was uncapped based on circular cross section has been overcome in this application, and has inherited the whole nimble characteristics of dismantling and reliably fixing a position of current shower nozzle cover, can satisfy the convenience that flip brought and the variety of function again, and simple structure is suitable for industrial production and application simultaneously. The first electromagnetic switch for detecting the opening and closing state of the upper cover 1 and the second electromagnetic switch for detecting whether the lower cover 2 is separated from the installation part can be arranged according to the field requirement, and whether the upper cover 1 of the spray head cover is opened to cut off the high pressure on the spray head can be flexibly selected through software, so that the cleaning safety is improved. Therefore, the trouble that the traditional spray head needs to interrupt the spray printing function and disassemble the spray head cover is solved, and convenience is brought to some industries with the requirement.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A rotary lock characterized by: including first connecting portion (8) and second connecting portion (9) of rotating the connection, first connecting portion (8) with be provided with the fixed retaining member of angle between second connecting portion (9), be provided with fixed slot (11) on first connecting portion (8), correspond on second connecting portion (9) the position of fixed slot (11) is provided with fixed orifices (12), the fixed retaining member of angle is worn to locate in fixed orifices (12) and fixed connection be in fixed slot (11).

2. A rotary lock according to claim 1, wherein: the angle fixing locking piece comprises a release screw (13), the release screw (13) is fixed in a fixing hole (12) on the second connecting portion (9), and the fixing groove (11) comprises a thread groove.

3. A rotary lock according to claim 1, wherein: first connecting portion (8) with still be provided with locating component between second connecting portion (9), locating component includes locating pin (14) and elastic component (15), be provided with the confession on first connecting portion (8) flexible groove (16) of locating pin (14), locating pin (14) telescopic connection be in flexible groove (16), elastic component (15) butt in flexible groove (16) with between locating pin (14), second connecting portion (9) correspond the position of locating pin (14) is provided with constant head tank (17).

4. A flip open/close nozzle cap using the rotary locking member as claimed in any one of claims 1 to 3, wherein: the utility model discloses a shower nozzle cover is provided with jet-propelled mouth (18) corresponding nozzle department on, the shower nozzle cover is including rotating lower cover (2) and upper cover (1) of connecting, lower cover (2) fixed connection is on the shower nozzle subassembly, upper cover (1) with be provided with the rotation retaining member between lower cover (2).

5. The flip-type opening and closing nozzle cap as claimed in claim 4, wherein: the ink jet printer is characterized in that a first electromagnetic switch is arranged between the upper cover (1) and the lower cover (2) and/or between the upper cover (1) and the spray head assembly, the first electromagnetic switch comprises a first magnet (3) and a first magnetic induction switch (4), and the first magnetic induction switch (4) is electrically connected to the ink jet printer controller.

6. The flip-type opening and closing nozzle cap as claimed in claim 4, wherein: lower cover (2) and installation be provided with second electromagnetic switch between the installation department of lower cover (2), second electromagnetic switch includes second magnet (5) and second magnetic induction switch (6), second magnetic induction switch (6) electricity is connected to the ink jet numbering machine controller.

7. The flip-type opening and closing nozzle cap as claimed in claim 4, wherein: the inner wall of the lower cover (2) is provided with a positioning piece (7), and an embedded groove which is matched with the positioning piece (7) in an inserting mode is formed in the position, corresponding to the positioning piece (7), of the spray head assembly.

8. The flip type opening and closing sprayer cover as claimed in claim 4, wherein: the nozzle cap is circular in cross section.

9. The flip-type opening and closing nozzle cap as claimed in claim 4, wherein: the nozzle cover is provided with a waste discharge port (19).

10. The flip-type opening and closing nozzle cap as claimed in claim 4, wherein: the spray head cover is provided with an air pressure balancing port (20).

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