CN220113198U

CN220113198U - Dismounting tool

Info

Publication number: CN220113198U
Application number: CN202321075754.4U
Authority: CN
Inventors: 夏志刚; 俞林军; 张成就
Original assignee: Hangzhou Changchuan Technology Co Ltd
Current assignee: Hangzhou Changchuan Technology Co Ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-12-01
Anticipated expiration: 2033-05-05

Abstract

The utility model provides a disassembly and assembly tool, which relates to the technical field of piezoelectric valve assembly tools. The piezoelectric valve nozzle assembly provided by the utility model has the advantages of firm structure, difficult damage, low processing difficulty, easy guarantee of processing quality and the like.

Description

Dismounting tool

Technical Field

The utility model relates to the technical field of piezoelectric valve assembly tools, in particular to a disassembly and assembly tool.

Background

Along with the rapid development of the electronic industry, the requirements on electronic packaging are higher and higher, and the non-contact piezoelectric injection valve is widely applied in the field of electronic packaging by aiming at the high-requirement electronic packaging technology with the advantages of high efficiency, high precision and the like. The piezoelectric valve mainly comprises a main valve body, a runner component, a nozzle for glue injection, a firing pin and the like.

Piezojet valves are a high precision device and therefore require cleaning and maintenance on a fixed cycle, particularly on the nozzle assembly part, which typically does not exceed 7 days, and require special disassembly tools during the process.

The utility model patent with publication number of CN206937194U discloses a disassembly sleeve for a fluid micro-injection device, which is matched with a corresponding cylindrical hole structure of a nozzle assembly through a plurality of limit protrusions, and is manually rotated to complete assembly and disassembly, however, the limit protrusions are small in size and high in processing difficulty, the protrusions are easily broken after being subjected to shearing force in the rotating process, and the tool is damaged, so that cleaning and maintenance cannot be smoothly completed.

Disclosure of Invention

The utility model aims to provide a disassembly and assembly tool which has the advantages of firm structure, difficult damage, low processing difficulty, easy guarantee of processing quality and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

in a first aspect, the utility model provides a disassembly and assembly tool, which comprises a disassembly and assembly body and a first disassembly and assembly end arranged at one end of the disassembly and assembly body, wherein an insertion groove for inserting a nozzle seat is formed in the end part of the first disassembly and assembly end, which is far away from the disassembly and assembly body, the inner surface of the insertion groove is formed by the first disassembly and assembly end, and a limiting surface is provided with a limiting surface, which is used for being matched with at least part of the peripheral surface of the nozzle seat so as to limit the circumferential position of the nozzle seat relative to the first disassembly and assembly end.

Further, the first disassembly and assembly end is in an annular arrangement, and the inner surface of the first disassembly and assembly end and the end face of the disassembly and assembly body are surrounded to form the insertion groove.

Further, the cross section of the outer surface of the first disassembly end is round or regular polygon, and the axis of the outer surface of the first disassembly end coincides with the axis of the disassembly body.

Further, the limiting surface comprises a plurality of first sub-limiting surfaces, and the first sub-limiting surfaces are annularly distributed at intervals.

Further, the limiting surface further comprises a second sub-limiting surface, and two adjacent first sub-limiting surfaces are connected through the second sub-limiting surface.

Further, the first dismounting end and the dismounting body adopt an integrated structure;

or the first dismounting end is detachably connected with the dismounting body.

Further, the limiting surface is formed with a buffer layer for buffering pressure between the nozzle holder and the limiting surface.

Further, the dismounting body further comprises a second dismounting end arranged at the other end of the dismounting body, and the second dismounting end is used for dismounting the firing pin.

Further, the dismounting body is penetrated with a through hole communicated with the inserting groove, and the extending direction of the through hole is parallel to the axial direction of the dismounting body.

Further, a plurality of positioning protrusions are arranged on one side, away from the first disassembly and assembly end, of the second disassembly and assembly end, and each positioning protrusion is arranged around the through hole.

The disassembly and assembly tool provided by the utility model has the following beneficial effects:

when the disassembly and assembly tool is used, the first disassembly and assembly end is provided with a plug-in groove for plugging in the nozzle seat, and the inner surface forming the plug-in groove is provided with a limit surface for being matched with at least part of the peripheral surface of the nozzle seat; after the nozzle seat is inserted, the limiting surface can limit the circumferential position of the nozzle seat relative to the first dismounting end, and the nozzle seat can be stressed by rotating the dismounting body, so that the nozzle seat is dismounted.

Compared with the prior art, the first dismounting end of the dismounting tool provided by the utility model cancels a tiny bulge structure, is provided with the inserting groove, and the inner surface forming the inserting groove is provided with the limiting surface matched with at least part of the peripheral surface of the nozzle seat, so that the nozzle seat can be dismounted in a rotating way. The first disassembly and assembly end does not extend into the limiting hole to be matched with the limiting hole, the first disassembly and assembly end surrounds the nozzle seat, the structural size cannot be limited by the limiting hole to be too small, the structure is firmer, the damage is not easy to occur, the processing difficulty is reduced, and the processing quality is easy to guarantee.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic three-dimensional structure of an assembly and disassembly tool according to an embodiment of the present utility model under a first view angle;

FIG. 2 is a schematic side view of an assembly and disassembly tool according to an embodiment of the present utility model;

FIG. 3 is a schematic three-dimensional structure of a nozzle holder according to the prior art;

FIG. 4 is a schematic side view of a prior art nozzle holder;

fig. 5 is a schematic three-dimensional structure of an assembly and disassembly tool according to an embodiment of the present utility model under a second view angle.

Icon: 1-disassembling and assembling the body; 11-through holes; 2-a first disassembly end; 21-a plug-in slot; 22-limiting surface; 221-a first sub-limiting surface; 222-a second sub-limiting surface; 3-a second disassembly end; 31-positioning protrusions; 4-a nozzle holder; 41-a first outer peripheral surface; 42-a second peripheral surface.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

An embodiment of the first aspect of the present utility model is to provide a disassembly tool, as shown in fig. 1 and 2, including a disassembly body 1 and a first disassembly end 2 provided at one end of the disassembly body 1, wherein an end of the first disassembly end 2 away from the disassembly body 1 is provided with a plugging slot 21 for plugging the nozzle holder 4, an inner surface of the plugging slot 21 formed by the first disassembly end 2 is provided with a limiting surface 22, and the limiting surface 22 is used for being matched with at least part of an outer circumferential surface of the nozzle holder 4 so as to limit a circumferential position of the nozzle holder 4 relative to the first disassembly end 2.

In the disassembly tool provided in the above embodiment, the end portion of the first disassembly end 2 far away from the disassembly body 1 is provided with the insertion groove 21 for inserting the nozzle seat 4, and after the nozzle seat 4 is inserted into the insertion groove 21, the limiting surface 22 is matched with at least part of the peripheral surface of the nozzle seat 4 to limit the circumferential position of the nozzle seat 4 relative to the first disassembly end 2, and the first disassembly end 2 is held by hand and rotated to realize the disassembly of the nozzle seat 4.

The inner surface of the first dismounting end 2 is matched with at least part of the outer circumferential surface of the nozzle seat 4, so that the size of the first dismounting end is larger than that of a limiting protrusion in the prior art, the first dismounting end 2 is not easy to break after being subjected to shearing force in the rotating process, and the processing difficulty is lower.

In some embodiments, as shown in fig. 1, the first detachable end 2 is disposed in a ring shape, and an inner surface of the first detachable end is surrounded by a plug-in groove 21, where the plug-in groove 21 faces an end surface of the detachable body 1.

For the first dismouting end 2 is tubular structure, the concave cartridge groove 21 that is equipped with in tip that first dismouting end 2 deviate from dismouting body 1 can reduce the axial dimensions of first dismouting end 2 for assembly and disassembly tools is more small and exquisite.

The ring shape is not limited to a circular ring shape, and may be any ring shape that can enclose the insertion groove 21 penetrating the ring shape.

In some embodiments, as shown in fig. 2, to facilitate the processing of the first detachable end 2, the outer surface of the first detachable end 2 has a circular or regular polygon cross section.

Specifically, the axis of the outer surface of the first detachable end 2 coincides with the axis of the detachable body 1, so that when a person rotates the detachable body 1, the torque force can be uniformly transmitted from the first detachable end 2 to the nozzle holder 4.

In some embodiments, as shown in fig. 2, the limiting surface 22 includes a plurality of first sub-limiting surfaces 221, and the plurality of first sub-limiting surfaces 221 are distributed in an annular space.

When the limiting surface 22 limits the circumferential position of the nozzle holder 4, the limiting surface 22 may be attached to only a part of the outer circumferential surface of the nozzle holder 4, thereby locking the circumferential position of the nozzle holder 4. Compared with the joint between the limiting surface 22 and the circumferential surface of the circle of the nozzle seat 4, the inner surface between two adjacent first sub-limiting surfaces 221 does not need to be jointed with the nozzle seat 4, so that higher machining precision is not needed, the requirement on the machining precision of the inner surface of the first dismounting end 2 can be reduced, and the machining difficulty is reduced.

The cross section of the first sub-limiting surface 221 may be in a polygonal shape, a wavy shape, an arc shape, etc., and the shape of the cross section may be a combination of the above shapes.

In some embodiments, as shown in fig. 2, the first sub-limiting surfaces 221 may be planar, and at least two of the first sub-limiting surfaces 221 may have an included angle therebetween, so as to define the circumferential positions of the nozzle holder 4 relative to the first detachable end 2 in different directions.

Specifically, the limiting surface 22 may include two, three, four, five, etc. first sub-limiting surfaces 221.

In at least one embodiment, as shown in fig. 4, the limiting surface 22 includes four first sub-limiting surfaces 221, and two adjacent first sub-limiting surfaces 221 are vertically disposed, and the four first sub-limiting surfaces 221 are respectively matched with the four first peripheral surfaces 41 on the nozzle seat 4 shown in fig. 3 and 4 in a one-to-one correspondence manner.

In use, the four first sub-limiting surfaces 221 are respectively attached to the four first outer peripheral surfaces 41, so as to mount and dismount the nozzle holder 4.

In some embodiments, the limiting surface 22 may further include a second sub-limiting surface 222, and two adjacent first sub-limiting surfaces 221 are connected by the second sub-limiting surface 222.

The second sub-stopper surface 222 may serve only as the excessive two first sub-stopper surfaces 221 (the second sub-stopper surface 222 does not come into contact with the outer peripheral surface of the nozzle holder 4 when the nozzle holder 4 is inserted into the insertion groove 21), or may be used to limit the circumferential position of the nozzle holder 4 in cooperation with the first sub-stopper surface 221 (the second sub-stopper surface 222 comes into contact with the outer peripheral surface of the nozzle holder 4 when the nozzle holder 4 is inserted into the insertion groove 21).

When the second sub-limiting surfaces 222 cooperate with the first sub-limiting surfaces 221 to limit the circumferential position of the nozzle seat 4, as shown in fig. 2, four second sub-limiting surfaces 222 are configured, the cross sections of the second sub-limiting surfaces 222 are curved in an arc shape, and the four second sub-limiting surfaces 222 cooperate with the four second peripheral surfaces 42 on the nozzle seat 4 in a one-to-one correspondence.

In some embodiments, the first detachable end 2 and the detachable body 1 may be integrally formed in an integral structure.

In some other embodiments, the first detachable end 2 may also be detachably connected to the detachable body 1, and the detachable end of the first detachable end 2 may be replaced with another detachable end of another shape after being detached, so as to detach different parts.

The detachable connection mode can be threaded connection, clamping connection, pin connection and the like.

In some embodiments, the check surface 22 is formed with a buffer layer for buffering the pressure between the nozzle holder 4 and the check surface 22. When the limiting surface 22 includes the first sub-limiting surface 221, the buffer layer may be connected to the first sub-limiting surface 221; when the limiting surface 22 further includes a second sub-limiting surface 222, the buffer layer may also be connected to the second sub-limiting surface 222.

The material of the buffer layer may be rubber, plastic, or the like.

In some embodiments, as shown in fig. 5, the detachable body 1 further includes a second detachable end 3 provided at the other end of the detachable body 1, and the second detachable end 3 is used for detaching the striker.

In some embodiments, as shown in fig. 5, the detachable body 1 is penetrated with a through hole 11 for avoiding components, the extending direction of the through hole 11 is parallel to the axial direction of the detachable body 1, and the through hole 11 is communicated with the insertion groove 21. So set up, when the dismouting is carried out to the striker structure, the striker can stretch into in this through-hole 11, avoids causing the damage at the in-process of dismouting to the striker.

In order to facilitate accurate disassembly and assembly of the striker, a plurality of positioning protrusions 31 are arranged on one side, deviating from the first disassembly and assembly end 2, of the second disassembly and assembly end 3, the positioning protrusions 31 are arranged around the through holes, the positioning protrusions 31 can be matched with notches on the striker seat, accurate positioning of the striker seat is achieved, and disassembly and assembly are facilitated.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a disassembly and assembly tool, its characterized in that, include dismouting body (1) with locate first dismouting end (2) of dismouting body (1) one end, first dismouting end (2) are kept away from tip of dismouting body (1) has been seted up and is used for cartridge nozzle holder (4) cartridge groove (21), first dismouting end (2) formation the internal surface of cartridge groove (21) has spacing face (22), spacing face (22) are used for with the cooperation of at least part outer peripheral face of nozzle holder (4) in order to inject nozzle holder (4) for the circumference position of first dismouting end (2).

2. The dismounting tool as claimed in claim 1, wherein the first dismounting end (2) is annular, and the insertion groove (21) is formed by surrounding the inner surface of the first dismounting end (2) and the end surface of the dismounting body (1).

3. The disassembly tool according to claim 2, wherein the cross section of the outer surface of the first disassembly end (2) is circular or regular polygon, and the axis of the outer surface of the first disassembly end (2) coincides with the axis of the disassembly body (1).

4. The disassembling tool according to claim 1, wherein the limiting surface (22) comprises a plurality of first sub-limiting surfaces (221), and the plurality of first sub-limiting surfaces (221) are annularly spaced apart.

5. The assembly and disassembly tool according to claim 4, wherein the limiting surface (22) further comprises a second sub-limiting surface (222), and two adjacent first sub-limiting surfaces (221) are connected through the second sub-limiting surface (222).

6. The dismounting tool as claimed in claim 1, characterized in that the first dismounting end (2) and the dismounting body (1) are of an integral structure;

or the first dismounting end (2) is detachably connected with the dismounting body (1).

7. The dismounting tool as claimed in any one of claims 1-6, characterized in that the limit surface (22) is formed with a buffer layer for buffering the pressure between the nozzle holder (4) and the limit surface (22).

8. The dismounting tool as claimed in any one of claims 1-6, wherein the dismounting body (1) further comprises a second dismounting end (3) provided at the other end of the dismounting body (1), the second dismounting end (3) being adapted to dismount the striker.

9. The dismounting tool as claimed in claim 8, characterized in that the dismounting body (1) is penetrated with a through hole (11) communicating with the insertion groove (21), and the extending direction of the through hole (11) is parallel to the axial direction of the dismounting body (1).

10. Disassembly tool according to claim 9, characterized in that the side of the second disassembly end (3) facing away from the first disassembly end (2) is provided with a plurality of positioning projections (31), each positioning projection (31) being arranged around the through hole (11).