CN215313463U

CN215313463U - Piezoelectric injection valve with strong adaptability nozzle structure

Info

Publication number: CN215313463U
Application number: CN202121691737.4U
Authority: CN
Inventors: 刘军平; 阎轲
Original assignee: Suzhou Bomingshuo Automation Technology Co ltd
Current assignee: Suzhou Bomingshuo Automation Technology Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2021-12-28
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a piezoelectric injection valve with a nozzle structure with strong adaptability, which comprises an injection valve main body, wherein a device groove is formed in the injection valve main body, piezoelectric stacking equipment is fixedly connected to the right part of the inner groove wall of the device groove, an actuating swing rod is fixedly connected to the output end of the piezoelectric stacking equipment, a connecting groove is formed in the left part of the lower end of the injection valve main body and communicated with the inside of the device groove, a sealing structure is fixedly connected to the left part of the lower end of the injection valve main body through the connecting groove, and an injection device is fixedly connected to the lower end of the sealing structure. According to the piezoelectric injection valve with the nozzle structure with strong adaptability, disclosed by the utility model, the medium in the flow channel is prevented from overflowing into the firing pin guide seat, the medium in the flow channel is prevented from overflowing from the screw sleeve, the sealing stability of the injection valve equipment is increased, the high-efficiency convenience of installation and disassembly during switching of the spray head is increased, and the piezoelectric injection valve can be effectively close to a workpiece for injection when the workpiece is interfered.

Description

Piezoelectric injection valve with strong adaptability nozzle structure

Technical Field

The utility model relates to the technical field of piezoelectric injection valves, in particular to a piezoelectric injection valve with a strong-adaptability nozzle structure.

Background

The piezoelectric injection valve is generally driven by a motor, and is relatively resistant to voltage shock. The electromagnetic valve is quick-opening and quick-closing, generally used in small flow and small pressure, and the piezoelectric injection valve with high switching frequency is required, and vice versa, so that a piezoelectric injection valve device with a strong-adaptability nozzle structure is needed, 1, when the existing piezoelectric injection valve device is used, a medium in a flow channel is easy to overflow into a striker guide seat, and the medium in the flow channel overflows from a threaded sleeve, so that the sealing stability of the injection valve device is reduced; 2. when current piezoelectricity injection valve equipment used, the high-efficient convenience of installation and dismantlement when reducing the shower nozzle and switching, can not effectually press close to the work piece when the work piece appears interfering and spray, reduces the application scope of shower nozzle, so we provide a neotype piezoelectricity injection valve that has strong adaptability's nozzle structure.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in an effort to provide a piezoelectric injection valve having a nozzle structure with high adaptability, which can effectively solve the problems of the related art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a piezoelectricity injection valve with strong adaptability's nozzle structure, includes the injection valve main part, the inside of injection valve main part is opened there is the device groove, the equipment is piled up to the interior cell wall right part fixedly connected with piezoelectricity in device groove, piezoelectricity piles up the output fixedly connected with actuation pendulum rod of equipment, the lower extreme left part of injection valve main part is opened there is the spread groove, the spread groove communicates with each other with the device inslot portion, the lower extreme left part of injection valve main part passes through spread groove fixedly connected with seal structure, the lower extreme fixedly connected with injection apparatus of seal structure.

Preferably, the lower end of the injection valve main body is provided with a first sealing groove and a second sealing groove, and the first sealing groove and the second sealing groove are communicated with the inside of the connecting groove.

Preferably, the sealing structure comprises a nozzle seat, a firing pin guide seat is fixedly connected to the middle of the upper end of the nozzle seat, a nozzle sealing ring is fixedly connected to the lower portion of the outer surface of the firing pin guide seat, a firing pin sealing ring is fixedly connected to the upper portion of the outer surface of the firing pin guide seat, a firing pin rod is movably connected to the middle of the upper end of the firing pin guide seat, and a plurality of small springs are fixedly connected to the upper portion of the outer surface of the firing pin rod.

Preferably, the nozzle seat is fixedly connected with the injection valve main body through a connecting groove, the nozzle sealing ring and the striker sealing ring are respectively positioned in the first sealing groove and the second sealing groove, and one end of the striker rod, which is far away from the striker guide seat, is fixedly connected with the actuating swing rod.

Preferably, injection apparatus includes the shower nozzle No. one, the lower extreme of shower nozzle is opened threaded groove, the lower extreme of shower nozzle can be dismantled through the threaded groove and be connected with the shower nozzle No. two, the upper end fixedly connected with helicitic texture of shower nozzle No. two, the lower extreme fixedly connected with extension pipe of shower nozzle No. two, the lower extreme fixedly connected with spray tube of extension pipe.

Preferably, the upper end of the first spray head is fixedly connected with the nozzle holder, and the thread structure is positioned in the thread groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the injection valve main body is provided with the sealing structure, the nozzle seat on the sealing structure is connected with the nozzle sealing ring, the nozzle seat is connected with the firing pin sealing ring through the firing pin guide seat, the nozzle sealing ring and the firing pin sealing ring are respectively positioned in the first sealing groove and the second sealing groove when the injection valve main body is used, the actuating swing rod transmits the force and displacement generated by the piezoelectric stack to the firing pin rod, so that the firing pin rod can move up and down, the firing pin sealing ring is positioned in the second sealing groove to prevent a medium in a flow channel from overflowing into the firing pin guide seat, and the nozzle sealing ring prevents the medium in the flow channel from overflowing from the screw sleeve, so that the sealing stability of the injection valve equipment is improved;

2. according to the utility model, the injection device is arranged on the injection valve main body, the first spray head and the second spray head on the injection device are respectively provided with the thread groove and the connecting thread structure, the thread structure on the second spray head is detachably connected with the first spray head through the thread groove on the first spray head, the high-efficiency convenience of installation and disassembly during spray head switching is increased when the injection valve device is used, the second spray head is connected with the spray pipe through the extension pipe, when the injection valve device is used, different structures adapt to different requirements, the extension pipe can be effectively close to a workpiece to spray when the workpiece is interfered, the probability of scattering and glue hanging is effectively reduced, and the application range of the spray head is improved.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a piezo jet valve having an adaptable nozzle configuration in accordance with the present invention;

FIG. 2 is a schematic sectional view of an injector body of a piezo injector having an adaptable nozzle configuration in accordance with the present invention;

FIG. 3 is a schematic view showing the overall structure of a sealing structure of a piezoelectric injection valve having an adaptable nozzle structure according to the present invention;

FIG. 4 is a schematic view showing the connection of an injection apparatus of a piezoelectric injection valve having an adaptable nozzle structure according to the present invention;

fig. 5 is a schematic connection diagram illustrating an operation state of a piezoelectric injection valve having an adaptable nozzle structure according to the present invention.

In the figure: 1. an injection valve main body; 2. a device slot; 3. a piezo-electric stack device; 4. actuating a swing link; 5. connecting grooves; 6. a sealing structure; 7. an injection device; 21. a first sealing groove; 22. a second sealing groove; 61. A nozzle holder; 62. a striker guide base; 63. a nozzle seal ring; 64. a striker sealing ring; 65. a striker rod; 66. a small spring; 71. a first spray head; 72. a second spray head; 73. a thread groove; 74. a thread structure; 75. an extension tube; 76. and (4) a spray pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a piezoelectric injection valve with a nozzle structure having a high adaptability includes an injection valve body 1, a device groove 2 is opened inside the injection valve body 1, a piezoelectric stacking device 3 is fixedly connected to a right portion of an inner groove wall of the device groove 2, an output end of the piezoelectric stacking device 3 is fixedly connected to an actuating swing rod 4, a connection groove 5 is opened at a left portion of a lower end of the injection valve body 1, the connection groove 5 is communicated with an inside of the device groove 2, a sealing structure 6 is fixedly connected to a left portion of the lower end of the injection valve body 1 through the connection groove 5, and an injection device 7 is fixedly connected to a lower end of the sealing structure 6.

The lower end of the injection valve main body 1 is provided with a first sealing groove 21 and a second sealing groove 22, and the first sealing groove 21 and the second sealing groove 22 are communicated with the inside of the connecting groove 5; the sealing structure 6 comprises a nozzle seat 61, the middle part of the upper end of the nozzle seat 61 is fixedly connected with a firing pin guide seat 62, the lower part of the outer surface of the firing pin guide seat 62 is fixedly connected with a nozzle sealing ring 63, the upper part of the outer surface of the firing pin guide seat 62 is fixedly connected with a firing pin sealing ring 64, the middle part of the upper end of the firing pin guide seat 62 is movably connected with a firing pin rod 65, and the upper part of the outer surface of the firing pin rod 65 is fixedly connected with a plurality of small springs 66; when the injection valve main body 1 is used, the nozzle sealing ring 63 and the striker sealing ring 64 are respectively positioned in the first sealing groove 21 and the second sealing groove 22, the actuating swing rod 4 transmits force and displacement generated by piezoelectric stacking to the striker rod 65, so that the striker rod 65 can move up and down, the striker sealing ring 64 is positioned in the second sealing groove 22 to prevent a medium in a flow channel from overflowing to the nozzle seat 61 in the striker guide seat 62 and is fixedly connected with the injection valve main body 1 through the connecting groove 5, the nozzle sealing ring 63 and the striker sealing ring 64 are respectively positioned in the first sealing groove 21 and the second sealing groove 22, one end of the striker rod 65, which is far away from the striker guide seat 62, is fixedly connected with the actuating swing rod 4, the nozzle sealing ring 63 is positioned in the first sealing groove 21 to prevent the medium in the flow channel from overflowing from a screw sleeve, and the sealing stability of the injection valve device is improved; the injection device 7 comprises a first spray head 71, a thread groove 73 is formed in the lower end of the first spray head 71, a second spray head 72 is detachably connected to the lower end of the first spray head 71 through the thread groove 73, a thread structure 74 is fixedly connected to the upper end of the second spray head 72, an extension pipe 75 is fixedly connected to the lower end of the second spray head 72, a spray pipe 76 is fixedly connected to the lower end of the extension pipe 75, the thread structure 74 on the second spray head 72 is detachably connected with the first spray head 71 through the thread groove 73 on the first spray head 71, and efficient convenience of installation and disassembly during switching of spray heads is improved when the injection valve device is used; the upper end of the first spray head 71 is fixedly connected with the nozzle seat 61, the thread structure 74 is positioned in the thread groove 73, when the injection valve device is used, different structures adapt to different requirements, and the extension pipe 75 is used for effectively enabling the spray pipe 76 to be close to a workpiece to spray when the workpiece is interfered, so that the probability of scattering and hanging glue is effectively reduced, and the application range of the spray head is improved; the whole device is simple in structure and convenient to operate, and is convenient to install and detach when the spray heads are switched.

It should be noted that the present invention is a piezoelectric injection valve with a nozzle structure with a high adaptability, the device of the present invention is a piezoelectric injection valve with a nozzle structure with a high adaptability, the piezoelectric stack device 3 in the device slot 2 controls the actuating swing link 4 to move when the injection valve body 1 is used, the nozzle seat 61 on the sealing structure 6 is connected with the nozzle sealing ring 63, the nozzle seat 61 is connected with the striker sealing ring 64 through the striker guiding seat 62, the nozzle sealing ring 63 and the striker sealing ring 64 are respectively positioned in the first sealing groove 21 and the second sealing groove 22 when the injection valve body 1 is used, the actuating swing link 4 transmits the force and displacement generated by the piezoelectric stack to the striker rod 65, so that the striker rod 65 can move up and down, the striker sealing ring 64 is positioned in the second sealing groove 22 to prevent the medium in the flow passage from overflowing into the striker guiding seat 62, the nozzle sealing ring 63 is positioned in the first sealing groove 21 to prevent the medium in the flow passage from overflowing from the screw sleeve, increase the sealing stability of the injection valve device in use; the first spray head 71 and the second spray head 72 on the spraying device 7 are respectively provided with the thread groove 73 and the connecting thread structure 74, the thread structure 74 on the second spray head 72 is detachably connected with the first spray head 71 through the thread groove 73 on the first spray head 71, when the spraying valve device is used, the high-efficiency convenience of mounting and dismounting during spray head switching is increased, the second spray head 72 is connected with the spray pipe 76 through the connecting extension pipe 75, when the spraying valve device is used, different structures adapt to different requirements, when the extension pipe 75 is used for workpiece interference, the spray pipe 76 can be effectively attached to the workpiece for spraying, the probability of scattering and glue hanging is effectively reduced, and the application range of the spray head is improved; the whole device has simple structure and low use cost, and is suitable for the piezoelectric injection valve with a nozzle structure with strong adaptability.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A piezoelectric injection valve with an adaptable nozzle structure, comprising an injection valve main body (1), characterized in that: open the inside of injection valve main part (1) has device groove (2), equipment (3) is piled up to the interior cell wall right part fixedly connected with piezoelectricity of device groove (2), the output end fixedly connected with actuation pendulum rod (4) of equipment (3) is piled up to piezoelectricity, open the lower extreme left part of injection valve main part (1) has spread groove (5), spread groove (5) and device groove (2) are inside to communicate with each other, the lower extreme left part of injection valve main part (1) passes through spread groove (5) fixedly connected with seal structure (6), the lower extreme fixedly connected with injection apparatus (7) of seal structure (6).

2. A piezoelectric injection valve having an adaptable nozzle structure according to claim 1, wherein: the lower extreme of injection valve main part (1) is opened has a seal groove (21) and No. two seal grooves (22), seal groove (21) and No. two seal grooves (22) all communicate with each other with spread groove (5) inside.

3. A piezoelectric injection valve having an adaptable nozzle structure according to claim 1, wherein: the sealing structure (6) comprises a nozzle seat (61), the middle of the upper end of the nozzle seat (61) is fixedly connected with a firing pin guide seat (62), the lower part of the outer surface of the firing pin guide seat (62) is fixedly connected with a nozzle sealing ring (63), the upper part of the outer surface of the firing pin guide seat (62) is fixedly connected with a firing pin sealing ring (64), the middle of the upper end of the firing pin guide seat (62) is movably connected with a firing pin rod (65), and the upper part of the outer surface of the firing pin rod (65) is fixedly connected with a plurality of small springs (66).

4. A piezoelectric injection valve having an adaptable nozzle structure according to claim 3, wherein: the nozzle seat (61) is fixedly connected with the injection valve main body (1) through a connecting groove (5), the nozzle sealing ring (63) and the striker sealing ring (64) are respectively positioned in a first sealing groove (21) and a second sealing groove (22), and one end, far away from the striker guide seat (62), of the striker rod (65) is fixedly connected with the actuating swing rod (4).

5. A piezoelectric injection valve having an adaptable nozzle structure according to claim 1, wherein: injection apparatus (7) include shower nozzle (71), thread groove (73) have been opened to the lower extreme of shower nozzle (71), the lower extreme of shower nozzle (71) can be dismantled through thread groove (73) and be connected with No. two shower nozzles (72), the upper end fixedly connected with helicitic texture (74) of No. two shower nozzles (72), the lower extreme fixedly connected with extension pipe (75) of No. two shower nozzles (72), the lower extreme fixedly connected with spray tube (76) of extension pipe (75).

6. A piezoelectric jetting valve with an adaptable nozzle structure according to claim 5, characterized in that: the upper end of the first spray head (71) is fixedly connected with the nozzle holder (61), and the thread structure (74) is positioned in the thread groove (73).