TW202231363A - Liquid material squeezing device and operating method thereof for conveniently operating locking switch and unlocking switch - Google Patents

Abstract

The present invention provides a liquid material squeezing device and a coupling/uncoupling method for the main body and the liquid chamber seat. The liquid material squeezing device includes: a main body; a liquid chamber seat disposed below the main body; a liquid material squeezing mechanism and a coupling/decoupling mechanism disposed on the main body. The liquid material squeezing mechanism may be driven to squeeze out the liquid in the liquid chamber out of the valve of the liquid chamber seat. The coupling/decoupling mechanism includes a locking switch and an unlocking switch disposed on the locking switch. The locking switch has two buckle handles that are detachably clamped on the seat to engage the main body with the seat. The unlocking switch may be operated to drive the buckle handles to separate the seat from the main body for releasing the engagement. By the design of integrating the mechanisms for controlling whether the liquid chamber seat is engaged with the main body, the locking switch and the unlocking switch may be conveniently operated with single hand.

Description

Liquid material extrusion device and its main body and liquid chamber seat clutch method

The present invention relates to a liquid material extrusion device, in particular to a liquid material extrusion device in which a liquid chamber seat and a main body containing a liquid material extrusion mechanism can be combined or detached, and a method for clutching the main body and the liquid chamber seat .

Generally, the liquid material extrusion device extrudes the viscous liquid material. There are generally plunger extrusion method and screw extrusion method. The plunger extrusion method is suitable for viscous liquid materials with low viscosity, while the screw extrusion method is suitable for This method is suitable for viscous liquid materials with high viscosity. In terms of plunger extrusion, because the viscosity of the liquid material is low, high-speed ejection is usually used to spray the liquid material on the object to be adhered. There are also electromagnets used to drive the plunger to extrude the viscous liquid material. In recent years, the piezoelectric driving method has gradually become the mainstream.

However, no matter which driving method, after the viscous liquid material stays in the liquid chamber for a period of time, it is often necessary to remove the liquid chamber seat for cleaning to prevent clogging, but the current liquid chamber seat and the liquid material extrusion mechanism The dismantling structure between the main body is complicated, and some tools need to be used to disassemble the screw connection between the liquid chamber seat and the main body, and most of them cannot be disassembled with one hand.

Therefore, the object of the present invention is to provide a liquid material extrusion device that can solve at least one problem of the prior art.

Therefore, the liquid material extrusion device of the present invention is suitable for being connected and connected to a liquid storage cylinder containing the liquid material. The liquid material extrusion device comprises a main body, a liquid chamber seat arranged under the main body, a liquid material extrusion mechanism arranged in the main body, and a clutch mechanism arranged in the main body.

The liquid chamber seat includes a seat body disposed under the main body and having a liquid chamber for accommodating liquid materials, a valve body disposed on the seat body and used for accommodating liquid materials, and a seat body disposed on the seat The body is connected with the liquid storage cylinder to guide the liquid material to the connecting piece of the valve body. The liquid material extrusion mechanism can be driven to extrude the liquid material in the valve body. The clutch mechanism includes a lock switch and a release lock switch disposed on the lock switch. The lock switch has two buckles that are detachably clamped on the seat to close the main body and the seat. A lockout switch is operable to actuate the catch to separate the seat from the body to release closure.

Another object of the present invention is to provide a method for clutching the main body and the liquid chamber seat of the liquid material extrusion device which can solve at least one problem of the prior art.

Therefore, the method for clutching the main body and the liquid chamber seat of the liquid material extruding device of the present invention includes: providing the main body and the liquid chamber seat disposed below the main body, the main body being in the shape of a rectangular body, having two opposite narrow sides and Two opposite wide sides; wherein, by operating a lock switch and an unlock switch located on one of the narrow sides of the main body in a clutch mechanism, the two buckles of the clutch mechanism drive the main body and the liquid chamber The seat is closed or separated.

Another object of the present invention is to provide a liquid material extrusion device that can solve at least one problem of the prior art.

Therefore, the liquid material extrusion device of the present invention includes a device for performing the aforementioned method of clutching the main body and the liquid chamber seat.

The effect of the present invention is that the locking switch and the unlocking switch can be conveniently operated with one hand by integrating the mechanism for controlling whether the liquid chamber seat is closed to the main body.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 1 , 2 and 3 , an embodiment of the liquid material extrusion device 100 of the present invention is suitable for connecting and assembling a liquid storage cylinder (not shown) storing liquid material. The liquid material extrusion device 100 is provided with a main body 2 , a liquid chamber seat 3 arranged below the main body 2 and used to connect the liquid storage cylinder, a liquid material extrusion mechanism 4 arranged in the main body 2 , a The clutch mechanism 5 is provided on the main body 2 and is detachably connected with the liquid chamber seat 3 , and two cover plates 9 are respectively provided on the front and rear sides of the main body 2 .

The main body 2 is in the shape of a rectangle, and has two narrow sides 21 extending up and down and corresponding to left and right, and two wide sides 22 extending up and down and corresponding to front and rear, and the narrow side 21 on the left side is recessed with an installation space 23 , the main body 2 has an inner wall 24 defining the right edge of the installation space 23 , and a snap edge 25 exposed in the installation space 23 .

The liquid chamber seat 3 includes a seat body 31 , a connecting member 32 disposed on the seat body 31 and used for connecting with the liquid storage cylinder, and a connecting member 32 disposed on the seat body 31 and communicating with the connecting member 32 . The valve body 33 for accommodating the liquid material has a valve nozzle 331 exposed on the bottom surface of the seat body 31 and ejecting the liquid material downward. The seat body 31 includes a seat body portion 311 that abuts against the bottom of the main body 2 upward, and two locking protrusions 312 respectively protruding from the front and rear sides of the seat body portion 311 . Each of the latching protrusions 312 has an outwardly inclined surface 313 extending obliquely from top to bottom and away from the base body 311 .

In this embodiment, the liquid material extrusion mechanism 4 includes a piezoelectric actuator 41 and a lever module 42 arranged in the main body 2 . The piezoelectric actuator 41 can be controlled and activated to drive the lever module 42 downward, so that the lever module 42 drives the valve body 33 downward to eject the contained liquid material through the valve nozzle 331 . Since there are many types of liquid material extrusion mechanisms 4 for driving the valve body 33 to eject, the implementation is not limited to the above-mentioned embodiment.

3, 4 and 5, the clutch mechanism 5 includes a lock switch 6 mounted on the main body 2 and detachably connected to the liquid chamber seat 3, a release lock switch 7 provided on the lock switch 6, and a The clutch switch 8 provided on the main body 2 .

The locking switch 6 includes two buckles 61 which are arranged in the main body 2 at intervals and protrude downward from the bottom end of the main body 2 and are clamped on the liquid chamber seat 3 , and one is installed in the main body 2 and connected to the bottom of the main body 2 . A transmission module 62 between the buckles 61 , a push module 63 mounted on the narrow side 21 on the left side of the main body 2 and connected to the transmission module 62 , and an elastically connected middle of the buckles 61 A first elastic member 64 between the sections, a push rod 65 spanning between the top ends of the buckles 61 , and a second elastic member 66 elastically supported up and down between the main body 2 and the push rod 65 .

Each handle 61 has a long slot hole 611 extending forward and backward through its top end, and a button hole 612 extending forward and backward through its bottom end and exposed below the main body 2 . The two bottom ends of the handle 61 protruding from the bottom of the main body 2 are clamped in the front and rear of the main body 311 , and the buckle holes 612 are respectively fastened to the buckle protrusions 312 . The first elastic member 64 has the elastic force to drive the handle 61 to clamp the liquid chamber seat 3 in front and back, and the second elastic member 66 has the elastic force to elastically push the handle 61 downward relative to the main body 2 .

The transmission module 62 is located in the installation space 23 , and includes a shaft pin 621 interposed between the buckle handles 61 and axially inserted in the long slot 611 of the buckle handle 61 in the front and rear, and a shaft pin 621 with A first connecting piece 623 whose top end is rotatably sleeved on the outside of the shaft pin 621 , a fixing pin 624 which is axially fixed to the main body 2 in the front and rear, and a first connecting piece 624 whose bottom end is rotatably sleeved on the fixing pin 624 The outer second connecting member 625, a movable pin 626 extending axially forward and backward and rotatably pivoted between the bottom end of the first connecting member 623 and the top end of the second connecting member 625, and a left-right elastic top The elastic body 627 abuts between the main body 2 and the movable pin 626 . And the transmission module 62 can be driven by the push module 63 to change between a stretched state and a zigzag state, and then respectively drive the buckles 61 to drive the liquid chamber seat 3 to close and separate from the main body 2 .

The shaft pin 621 has two insertion end portions 622 that can be respectively inserted into the long slot holes 611 of the buckle handle 61 , respectively. Each plug-in end portion 622 abuts against the top edge of the corresponding long slot 611 in the upper position, and its vertical section diameter is smaller than the vertical length of the corresponding long slot 611 . The elastic body 627 exerts a leftward elastic thrust on the movable pin 626 .

Referring to FIGS. 3, 6, and 7, when the transmission module 62 is in the extended state (as shown in FIG. 3), the movable pin 626 moves rightward toward the inner wall body 24, and elastically retracts the elastic body 627. And the first connecting piece 623 and the second connecting piece 625 are slightly inclined to the left and upright and stretched up and down. At this time, the handle 61 will be driven by the transmission module 62 to drive the liquid chamber seat 3 to be closed and positioned below the main body 2 .

When the transmission module 62 changes from the stretched state to the bent state (as shown in FIG. 6 ), the movable pin 626 is pushed to the left by the elastic body 627 and away from the inner wall 24 , thereby linking the first connection The member 623 and the second connecting member 625 are pivoted to the left to form an inverted V-shape with the opening extending obliquely to the left and to the right. Since the fixed pin 624 is fixed to the main body 2, the movable pin 626 will pass through the The first connecting member 623 will drive the shaft pin 621 to move downward relative to the main body 2 , and at the same time, the second elastic member 66 will also elastically push the buckle handle 61 downward relative to the main body 2 , thereby driving the buckle handle 61 moves down relative to the main body 2 , so that the handle 61 drives the liquid chamber base 3 to move down and away from the main body 2 , but the buckle handles 61 are still clamped on the buckle protrusions of the liquid chamber base 3 respectively. part 312, so that the liquid chamber seat 3 will not drop down directly (as shown in FIG. 7).

The pressing module 63 is disposed on the narrow side surface 21 on the left side of the main body 2 , and includes a pressing handle 631 extending up and down and pivoted to the main body 2 in the front and rear axial directions at its bottom end, and a front and rear axial pivoted on the main body 2 . The pressing handle 631 protrudes to the right and is radially inserted into the pushing member 632 of the movable pin 626 . The pressing handle 631 can be operated to change between a locked position facing the narrow side 21 and an unlocked position swinging out from the narrow side 21 . The pushing member 632 has a pivoting end portion 633 pivotally connected to the pressing handle 631 , a pushing portion 634 extending rightward from the pivoting end portion 633 into the installation space 23 and pushing against the movable pin 626 . , and a shaft insertion portion 635 extending rightward from the end of the pushing portion 634 and radially passing through the movable pin 626 .

When the pressing handle 631 is in the locking position (as shown in FIG. 3 ), the pressing handle 631 will drive the pushing member 632 to push the movable pin 626 of the transmission module 62 to the right, forcing the transmission module 62 positioned in this extended state. When the pressing handle 631 pivots from the locking position to the unlocking position (as shown in FIG. 6 ), the pressing handle 631 will drive the pushing member 632 to swing leftward. The elastic body 627 will elastically push the movable pin 626 to the left relative to the main body 2 , and the second elastic body 627 will elastically push the pivot pin 621 downward through the buckle 61 , and the transmission module 62 will move from The stretched state changes to the zigzag state.

Referring to FIGS. 3 , 6 and 8 , the unlocking switch 7 has a latching member 71 pivotally connected to the pressing handle 631 in the front and rear axial directions and spaced above the pushing member 632 , and a latching member 71 mounted on the latching member 71 and the pushing member 632 . The elastic driving member 72 between the pressing handles 631 . The latching member 71 has a pressing portion 711 located on the left side of its axis, and a hook-shaped latching portion 712 located on the right side of its axis. The elastic driving member 72 elastically pushes against the pressing portion 711 and the pressing handle 631 from side to side, and has an elastic force that drives the latching portion 712 of the latching member 71 to pivot downward relative to the pressing handle 631 .

When the pressing handle 631 is in the locking position, the latching portion 712 of the latching member 71 will be driven by the elastic driving member 72 to pivot downward to latch the latching edge 25 of the main body 2 , so that The pressing handle 631 is positioned in the locked position. When the pressing portion 711 of the latching member 71 is pressed, the latching member 71 will pivot relative to the pressing handle 631 to drive the latching portion 712 to swing upward from the engaging edge 25 . At this time, the pressing handle 631 can be pushed to the left by the transmission module 62 to pivot to the unlocked position.

5 , 9 and 10 , the clutch switch 8 includes a fixed seat 81 disposed on the narrow side 21 on the left side of the main body 2 , two pressing members 82 installed on the fixed seat 81 at intervals in the front and rear, two horizontal A top support member 83 pivoted on the main body 2 and pressed against the opposite sides of the pressing member 82 , and a torsion elastic member 84 disposed between the main body 2 and the top support member 83 .

The fixing seat 81 is located under the pressing module 63 at intervals, and has a guiding groove 810 extending forward and backward. The pressing member 82 is embedded in the guiding groove 810 and is exposed on the wide side of the main body 2 respectively. 22, can be pressed forward and backward to move toward each other along the guide groove 810. Each top support member 83 has a pressing portion 831 abutting against the corresponding pressing member 82 , and an expanding portion 832 for abutting against the corresponding buckle 61 , and the torsion elastic member 84 will press against the top support 83 . The support member 83 exerts a torsional elastic force, which drives the top support member 83 to respectively swing against the pressing member 82 with the pressing portion 831 back and forth.

10 , 11 , and 12 , when the pressing member 82 is pushed forward and backward, the pressing member 82 will drive the pressing portion 831 of the top support member 83 to pivot back and forth, so that the The expanding portion 832 of the top support member 83 pivots and expands back and forth, and pushes the buckle handle 61 back and forth, driving the buckle handle 61 to move back and forth relative to the pivot pin 621 (shown in FIG. 5 ). The back swings to disengage the snap-on protrusions 312 of the liquid chamber seat 3 , thereby releasing the liquid chamber seat 3 .

2 , 7 and 8 , the separation method of the main body 2 and the liquid chamber seat 3 of the liquid material extrusion device 100 of the present invention is to operate the latch 71 of the unlocking switch 7 by pressing to drive the latch At this time, the elastic body 627 of the transmission module 62 will push the movable pin 626 to the left, and the second elastic member 66 will also push the buckle downward. The handle 61 and the shaft pin 621 then drive the transmission module 62 to change from the extended state to the zigzag state, and push the pushing member 632 to the left relative to the main body 2 to drive the pressing handle of the locking switch 6 631 is pivoted to the unlocked position. In addition, the handle 61 will also be driven by the transmission module 62 to move downward relative to the main body 2, and drive the liquid chamber seat 3 to disengage the main body 2 downward to release the closure state.

Referring to FIGS. 10 and 12 , then, operate the pressing member 82 of the clutch switch 8 to drive the top support member 83 to push the buckle handle 61 away from the buckle protrusion 312 of the liquid chamber seat 3 , the disassembly of the main body 2 and the liquid chamber seat 3 is completed.

2 , 11 and 13 , when the liquid chamber seat 3 after cleaning and maintenance is to be re-installed on the main body 2 , the push-out inclined surface 313 of the snap-fitting protrusion 312 of the liquid chamber seat 3 Align the bottom end of the handle 61 upward, and push the liquid chamber seat 3 upward relative to the handle 61 . The push-out inclined surface 313 will force the buckle 61 to spread out in front and back. When the buckle protrusions 312 move upward to align with the buckle holes 612 of the buckle 61, the first elastic The element 64 will drive the buckle handle 61 to swing back and forth opposite to each other to buckle the buckle protrusion 312 of the liquid chamber seat 3 .

Next, the pressing handle 631 is pushed and pivoted to the locked position, the pushing member 632 is driven to drive the transmission module 62 to change to the extended state, and the buckle 61 is driven to drive the liquid chamber seat 3 to be closed at the below the main body 2. Then, the latching member 71 of the unlocking switch 7 is hooked and positioned on the main body 2 , and the liquid chamber seat 3 and the main body 2 are closed and positioned.

To sum up, through the structural design of disposing the blocking switch 6 on the narrow side surface 21 of the main body 2 and disposing the unlocking switch 7 on the blocking switch 6, it is possible to control whether the liquid chamber seat 3 is closed at the The mechanism of the main body 2 is integrated on the narrow side 21 of the main body 2 , and it is convenient to operate the locking switch 6 with one hand to drive the handle 61 to close the liquid chamber seat 3 to the main body 2 , and to operate with one hand. The unlocking switch 7 is used to drive the pressing handle 631 of the locking switch 6 to change to the unlocked position, and the handle 61 is driven to drive the liquid chamber seat 3 downward from the main body 2 and keep the liquid chamber seat 3 still locked. The clip is held between the buckle handles 61 and will not fall off immediately, which is convenient to operate the clutch switch 8 with one hand to drive the buckle handle 61 to release the liquid chamber seat 3 later. Therefore, the liquid material extrusion device 100 in this case is indeed a very innovative creation, and can achieve the purpose of the present invention.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

100: Liquid material extrusion device 2: Subject 21: Narrow sides 22: Wide side 23: Installation space 24: inner wall body 25: Embellished edge 3: Liquid chamber seat 31: seat body 311: seat body part 312: Snap protrusion 313: Extrapolation bevel 32: Connector 33: valve body 331: valve nozzle 4: Liquid material extrusion mechanism 41: Piezoelectric Actuators 42: Lever Module 5: clutch mechanism 6: Lock switch 61: Buckle 611: Long slotted hole 612: button hole 62: Transmission module 621: Axle pin 622: Plug end 623: First connector 624: Fixed pin 625: Second connector 626: Activity Pin 627: Elastomer 63: Push Module 631: Press handle 632: Push pieces 633:Pivot end 634: Pushing Department 635: Insert shaft 64: The first elastic piece 65: putter 66: Second elastic piece 7: Release the lock switch 71: Clips 711: Press part 712: Latch Department 72: Elastic drive 8: Clutch switch 81: Fixed seat 810: Guide groove 82: Press parts 83: top support 831: Pressing part 832: Expansion Department 84: Torsion elastic parts 9: Cover

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a perspective view of an embodiment of a liquid material extrusion device of the present invention; FIG. 2 is an exploded perspective view of the embodiment, and the two cover plates are omitted in the figure; Fig. 3 is the front sectional view of this embodiment, and illustrates the situation when a pressing handle is in a locked position, and a transmission module is in an extended state; FIG. 4 is a front view of the embodiment, the cover plate is omitted in the figure, and the case where a liquid chamber seat is closed under a body is illustrated; Fig. 5 is the perspective exploded view of a clutch mechanism of this embodiment; 6 is an incomplete front sectional view of the embodiment, and illustrates the situation when the pressing handle is in an unlocked position and the transmission module is in a zigzag state; Fig. 7 is the front view of this embodiment, and the cover plate is omitted in the figure, and the situation that this liquid chamber seat and this body are unclosed; Fig. 8 is a view similar to Fig. 6, illustrating a situation when an unlocking switch is operated to disengage from the body; Fig. 9 is the perspective sectional view of this embodiment; 10 is a top view of the clutch switch of this embodiment; Figure 11 is an incomplete right side cross-sectional view of this embodiment, illustrating the situation in which the two clips are fastened to the liquid chamber seat; Fig. 12 is a view similar to Fig. 11, illustrating the condition in which the handle is driven away from the liquid chamber seat; and Fig. 13 is a view similar to Fig. 12, illustrating the situation when the liquid chamber seat pushes the handle upwardly.

100: Liquid material extrusion device

2: Subject

21: Narrow sides

22: Wide side

3: Liquid chamber seat

31: seat body

311: seat body part

312: Snap protrusion

313: Extrapolation bevel

32: Connector

33: valve body

4: Liquid material extrusion mechanism

41: Piezoelectric Actuators

42: Lever Module

5: clutch mechanism

6: Lock switch

61: Buckle

611: Long slotted hole

612: button hole

62: Transmission module

63: Push Module

631: Press handle

632: Push pieces

633:Pivot end

7: Release the lock switch

71: Clips

711: Press part

8: Clutch switch

81: Fixed seat

82: Press parts

Claims (13)

A liquid material extruding device, suitable for connecting and connecting to a liquid storage cylinder containing liquid material, and comprising: a subject; A liquid chamber seat, including a seat body disposed under the main body, a valve body disposed in the seat body for accommodating liquid materials, and a valve body disposed in the seat body and used to communicate with the liquid storage cylinder to guide The connection of the wetted material to the valve body; a liquid material extrusion mechanism, disposed in the main body, can be driven to extrude the liquid material in the valve body; and A clutch mechanism, which is arranged on the main body, includes a locking switch, and an unlocking switch arranged on the locking switch. The locking switch has two detachable clips on the seat to close the main body and the seat. The buckle handle, the unlocking switch can be operated to drive the buckle handle to separate the seat body from the main body to release the closure. The liquid material extruding device according to claim 1, wherein the locking switch further comprises a first elastic member elastically connected between the buckle handles, a first elastic member with its two ends respectively for the buckle handle to be opposite to the shaft A pivot pin arranged in the direction of displacement, and a second elastic piece installed on the main body and elastically pushing the buckle handle downward. The liquid material extrusion device according to claim 2, wherein the locking switch further comprises a first connecting piece pivotally connected to the shaft pin with one end thereof, a fixing pin arranged on the main body, and a first connecting piece pivoted with one end thereof A second connecting piece of the fixed pin and a movable pin pivotally connected between the other end of the first connecting piece and the other end of the second connecting piece. The liquid material extrusion device according to claim 3, wherein the locking switch further comprises a pressing handle pivotally connected to the main body with one end thereof, a pressing handle arranged on the pressing handle and abutting part thereof against the pressing handle For the pusher of the movable pin, the pressing handle can be operated to drive the pusher to push the movable pin, and drive the buckle to close the main body and the seat. The liquid material extrusion device according to claim 4, wherein the pushing member further has a pivot end portion opposite to the pushing portion and pivotally connected to the pressing handle. The liquid material extruding device and the liquid material extrusion device according to claim 4, wherein the pushing member further has a shaft insertion portion that protrudes outward from the pushing portion and is radially inserted into the movable pin. The liquid material extrusion device according to claim 4, wherein the locking switch further comprises an elastic body disposed between the movable pin and the main body and providing a reverse elastic force opposite to the thrust of the pushing member. The liquid material extruding device according to claim 4, wherein the unlocking switch is disposed on the pressing handle, and the unlocking switch can be operated to cause the pushing member to release the pushing of the movable pin, so that the The movable pin drives the buckle handle to separate the seat body from the main body to release the closure. The liquid material extrusion device according to claim 8, wherein the unlocking switch has a latching member pivoted on the pressing handle, the latching member has a pressing portion and a latching portion, the latching portion Releasably snaps onto a snap edge of the body. The liquid material extruding device according to claim 9, wherein the unlocking switch further has an elastic member disposed between the pressing handle and the pressing portion so that the latching member is subjected to a pivoting force. A method for clutching a main body and a liquid chamber seat of a liquid material extrusion device, comprising: Provide the main body and the liquid chamber seat arranged below the main body, the main body is in the shape of a rectangle, and has two opposite narrow sides and two opposite wide sides; Wherein, by operating a locking switch and an unlocking switch in one of the narrow sides of the main body in a clutch mechanism, the two buckles driving the clutch mechanism close or separate the main body and the liquid chamber seat. The method for clutching the main body and the liquid chamber seat of the liquid material extruding device according to claim 11, wherein, when the buckle is driven to change the main body and the liquid chamber seat from closing to separation, the buckle receives A downward elastic force acts to drive the liquid chamber seat to separate from the main body. A liquid material extrusion device, comprising: a device for performing the method for clutching the main body and the liquid chamber seat of the liquid material extrusion device according to any one of claims 11 to 12.

Images