CN114471768A - Repeatedly usable's portable liquid material conveyor - Google Patents

Abstract

The invention relates to the technical field of material conveying, in particular to a reusable portable liquid material conveying device. The material conveying device mainly comprises a button, an upper shell, a lower shell, a magnifier, a material barrel, a scale barrel and internal parts with the liquid pushing capacity. The magnifying glass can magnify the dose value and the scale. The material cylinder can sound when being installed in place, and the material cylinder can sound when being taken down, so that the installation condition of the material cylinder can be conveniently confirmed. When the material barrel is installed in place, the raised marks on the outer sides of the upper shell and the material barrel are aligned, so that the installation condition of the material barrel can be observed and confirmed by touch, and the operation of a person with hearing or vision impairment is facilitated. The setting of the delivered dose may be audible and if the dose is set too much, the dose may be retracted to be reduced. The material can sound when being conveyed. When the material in the material barrel is conveyed, the button can not be pressed. The material conveying device is light in weight, small and portable, simple to operate and capable of replacing the material core for multiple times.

Description

Repeatedly usable's portable liquid material conveyor

Technical Field

The invention relates to the technical field of material conveying, in particular to a reusable portable liquid material conveying device.

Background

Miniaturized handheld or fixed liquid material conveyor is often used as liquid dosing device in processes such as scientific research, product production, patient treatment, for example liquid material conveyor is used for conveying liquid chemical reagent material in chemical experiments, liquid material conveyor is used for conveying liquid food additive material in food production process, liquid material conveyor is used for conveying liquid insulin material in the treatment process of diabetes patient. The physical working principle of the miniaturized liquid material conveying device can be generally divided into two parts: firstly, the piston motion is utilized to drive the air cushion volume change to generate negative pressure to suck liquid, and secondly, the piston motion is utilized to push out the liquid. The liquid transfer device described in CN102101065A has the two working principles, the prefabricated material conveying device and the pusher thereof described in CN111924506B adopt the second working principle, and the portable liquid material conveying device of the present invention adopts the second working principle. Most of the existing miniaturized handheld or fixed liquid material conveying devices are large in size and heavy in weight, and most of the existing miniaturized handheld or fixed liquid material conveying devices cannot produce sound when a material core is replaced. Therefore, there is a need to enhance the development and popularization of reusable portable liquid material delivery devices.

Disclosure of Invention

The invention aims to provide a liquid material conveying device which is small in size, light in weight, convenient to carry, simple to operate, strong in sound production function, capable of replacing material cores for multiple times and capable of being used repeatedly.

In order to realize the purpose of the invention, the invention provides a reusable portable liquid material conveying device which comprises a button, an internal thread rotary drum, an observation window, a magnifying glass, a scale drum, an upper shell, an external thread bin, an internal thread column, a material core drum spring, a sounding ring, a material drum, a lower shell, a cushion block, a snap ring, a sliding claw, a short rotor, a long rotor, a screw rod, a clamping column, a button spring, a bidirectional elastic sheet base and a bidirectional elastic sheet.

The button, the bidirectional elastic sheet base, the button spring and the clamping column are arranged in a knob inner cavity of the internal thread rotary drum. The two-way elastic sheet inside the button is arranged on the two-way elastic sheet base, and the button spring is arranged between the two-way elastic sheet base and the clamping column. The bottom of the inner side of the button is provided with a circle of bidirectional teeth matched with the bidirectional elastic sheet. After the button is installed, the round platform of the button is matched with the narrow boss at the inlet of the inner cavity of the knob of the inner thread rotating drum in an annular mode, so that the button cannot be separated from the inner thread rotating drum. The button round platform has 1~8 button triangular grooves, with the cooperation of the interior 1~8 axial triangle teeth of internal thread rotary drum for button and internal thread rotary drum can synchronous rotation.

When rotating the internal thread rotary drum and setting up and carry the dose, long rotor does not rotate, and two-way shell fragment base does not rotate, and two-way shell fragment does not rotate, and the button rotates with the internal thread rotary drum is synchronous, and two-way shell fragment hits the inside two-way tooth sound production of button, and clockwise or anticlockwise rotation of internal thread rotary drum increases or reduces and carry dose the time two-way shell fragment can both the sound production.

The long round tube of the clamping column extends into the inner cavity of the inner thread rotary drum from the rotary knob end of the inner thread rotary drum, a plurality of radial triangular teeth are arranged in the circumferential direction of the inner cavity bottom of the rotary knob of the inner thread rotary drum and matched with the plurality of thin triangular teeth of the clamping column in the circumferential direction of one side of the large clamping column round table to realize the fixation in the circumferential direction, and the circular table surface of the clamping column on the other side of the large clamping column round table limits the axial movement of the circular table surface through the button spring and the button. The 1-8 large triangular grooves of the bidirectional elastic sheet base are matched with the 1-8 clamping column coarse triangular teeth of the clamping column, so that the bidirectional elastic sheet base, the bidirectional elastic sheet and the clamping column synchronously rotate.

The long rotor extends into the clamping column, the outer hexagonal surface of the outer side of the long rotor is matched with the inner hexagonal surface of the inner side of the clamping column, and the clamping column and the long rotor can synchronously rotate. A gap is reserved between the outer hexagonal surface of the outer side of the long rotor and the inner hexagonal surface of the inner side of the clamping column, and the long rotor can flexibly stretch out and draw back in the clamping column. The screw rod can flexibly extend and retract in the middle hole of the long rotor.

The short rotor round platform can be clamped between the sliding claw boss and the sliding claw buckle and can rotate freely. The inner side of the cylinder at the other end of the short rotor is provided with a circle of short rotor grooves matched with the strip-shaped teeth of the long rotor. The hole that the screw rod passed in the middle of the short rotor has 2 short rotor triangle teeth, cooperates with 2 screw rod triangle grooves of screw rod both sides, realizes the synchronous rotation of short rotor and screw rod. The screw rod can flexibly extend and retract in the middle hole of the short rotor.

The strip-shaped teeth on the outer side of the cylinder at one end of the long rotor and the short rotor groove in the short rotor can be meshed to realize synchronous rotation of the long rotor and the short rotor. Each one-way shrapnel of the long rotor is provided with 1 one-way tooth of the long rotor, and one surface of the one-way tooth of the long rotor is coplanar with the axis of the long rotor. One surface of each external thread bin one-way tooth is coplanar with the axis of the external thread bin. The cooperation of 2 one-way shell fragments of long rotor and the one-way tooth in a plurality of external screw thread storehouses of external screw thread storehouse inboard for long rotor can anticlockwise rotation and drive short rotor and screw rod and rotate and release liquid, perhaps makes long rotor can not rotate clockwise, can not drive short rotor and screw rod and rotate and release liquid.

The scale cylinder is coaxially fixed on the outer side of the internal thread rotating cylinder. The internal thread rotary drum outside has 1~7 outside triangle teeth and the cooperation of the inboard 1~7 scale drum triangular groove of scale drum, and the relative position of a scale drum and internal thread rotary drum is confirmed and is fixed to the cooperation of 2~6 annular bosss in the internal thread rotary drum outside and the scale drum inboard. The outer side of the graduated cylinder is provided with a plurality of circles of dosage graduations, and dosage numerical values are marked. The initial value of the dose is 0 and the value displayed by the magnifying glass when setting the delivered dose is the size of the dose to be delivered. When setting up and carrying the dose and carrying, scale cylinder and internal thread rotary drum rotate in step. The material core is installed inside the material barrel, the needle head is installed at one end of the material barrel, the button is pressed, the internal thread rotary drum rotates, the screw and the cushion block push the rubber plug inside the material core to push out liquid, and the dosage value returns to 0.

The mirror surface on the outer side of the magnifier is a convex surface, and the inner side of the magnifier is a cylindrical surface, so that the magnifier has an amplifying function. The magnifying lens is transparent to view and magnify the internal dose scale and dose value.

The observation window is installed in the square hole department of last shell, and the observation window has 2~4 buckles and last shell cooperation restriction observation window's rotation. The cylindrical surface in the observation window is matched with the cylindrical surface of the magnifier to compress the magnifier. Go up 4 limits in the hole of shell installation observation window, 2 limits of shell axis have 2~4 go up the little recess of shell and 2~4 buckle cooperation of observation window, realization to the fixed of observation window on the parallel, go up 2 limits of shell axis perpendicularly and have the circular arc inclined plane cooperation, the joint observation window of inclined plane and magnifying glass to realize fixed to the magnifying glass.

When setting up the delivery dose, clockwise turning internal thread rotary drum, dose value is by little grow, if can anticlockwise rotation internal thread rotary drum reduce dose value more.

When materials are conveyed, the long rotor rotates anticlockwise, the one-way elastic piece rotates and strikes the one-way teeth of the external thread bin to produce sound, and the one-way elastic piece is meshed with the one-way teeth of the external thread bin to limit the rotation of the long rotor when the materials are not conveyed.

When the button is pressed down to convey materials, the button spring compresses one side of the large clamping column circular table, the fine triangular teeth of the clamping column on the other side of the large clamping column circular table are meshed with the radial triangular teeth of the internal thread rotating cylinder, and the internal thread rotating cylinder is driven to rotate along the convex threads on the outer side of the external thread bin. Meanwhile, the rotation of the internal thread rotary drum drives the clamping column to rotate, the rotation of the clamping column drives the long rotor to rotate, and the rotation of the long rotor drives the short rotor to rotate. When the short rotor rotates, the screw rotates and pushes the cushion block.

When the internal thread rotary drum is rotated clockwise to increase the delivered dose, a button is not pressed, a button spring does not compress a clamping column, the clamping column and the long rotor synchronously rotate, the one-way teeth of the long rotor are meshed with the one-way teeth of the external thread bin to limit clockwise rotation, the clamping column cannot rotate clockwise, and the thin triangular teeth of the clamping column on the other side of the large circular table of the clamping column are not meshed with the radial triangular teeth of the internal thread rotary drum.

When the internal thread rotary drum is rotated anticlockwise to reduce the delivered dose, a button is not pressed, a button spring does not compress a clamping column, the internal thread rotary drum is rotated anticlockwise and can drive the clamping column, the long rotor, the short rotor and the screw rod to rotate to generate thrust for pushing out liquid, but the thrust is difficult to push a rubber plug in a material core, so the clamping column, the long rotor, the short rotor and the screw rod do not rotate at the moment, and the thin triangular teeth of the clamping column on the other side of the large circular platform of the clamping column are not meshed with the radial triangular teeth of the internal thread rotary drum.

The snap ring, the sliding claw, the material core barrel spring and the sounding ring are arranged in the inner cavity of the internal thread column. 4 claws at one end of the sliding claw extend into the internal thread column and can axially slide in the internal thread column, a boss of the sliding claw and a buckle of the sliding claw at the tail end of the claw can bounce at the inclined plane boss of the internal thread column and slide into 4 long holes of the internal thread column, and the inclined plane boss of the internal thread column and the boss of the sliding claw are matched to ensure that the sliding claw does not separate from the internal thread column; the cylindrical side surface at the other end of the sliding claw is provided with 2 sliding claw bayonets. One end of the clamping ring is provided with 2 semicylinders which are matched with 2 semicircles at one end of the material cylinder, so that the synchronous rotation of the clamping ring and the material cylinder is realized; the side surface of a cylinder at the other end of the clamping ring is provided with 2 clamping ring radial bosses which are clamped into 2 sliding claw bayonets of the sliding claws. The material core barrel spring is arranged in a gap between the sliding claw and the internal thread column, the thrust released by the sliding claw can compress the contact surface of the lug boss of the material barrel and the bayonet of the internal thread column when the material barrel is installed to realize the fastening after the material barrel is rotationally installed, and the complete separation of the groove of the short rotor and the strip-shaped tooth of the long rotor can be realized through axial movement when the material barrel is taken out.

After the material core packs into the material section of thick bamboo, the material section of thick bamboo stretches into the internal thread post, 2 semicircle orifices of material section of thick bamboo block with 2 semicylinders of snap ring one end, anticlockwise rotation material section of thick bamboo, 2 material section of thick bamboo bosss of material section of thick bamboo are to the rotation in 2 internal thread post bayonet sockets of internal thread post, 2 radial bosss of snap ring slide in 2 of the claw bayonet sockets that slide, promote to slide the claw and remove to short rotor, make the bar tooth interlock of short rotor recess and long rotor, when the material section of thick bamboo rotation targets in place, the material core is installed and is targetting in place. When the material core is installed in place, the short rotor round platform can rotate freely between the sliding claw boss and the sliding claw buckle at the tail end of the claw.

The external thread bin is fixed with a plurality of internal thread columns at one end of the internal thread column in a buckling fit mode through a plurality of clamping grooves at one end. Go up the big recess of shell and the big boss cooperation of 1~2 internal thread posts in the internal thread post outside 1~2 big recesses of going up shell one end inboard, the restriction goes up the circumference of the inside relevant spare part of shell and rotates. Go up 1~2 of the inboard group of shell and go up the little boss of shell and go up the big boss of shell and the little recess in external screw thread storehouse and the big recess cooperation in external screw thread storehouse, realize going up the fixed of shell and external screw thread storehouse and internal thread post, and then realize going up the fixed of the inside spare part of shell.

The screw rod penetrates through the long rotor, the short rotor and the internal thread column, and a cushion block is installed at the tail end of the screw rod. The screw thread of the screw is matched with the thread of the threaded hole of the internal threaded column, the cushion block is pushed when the screw rotates, and the cushion block pushes the rubber plug in the material core to push out liquid. The thread length of the screw is matched with the length of liquid in the material core, and one section of one end, far away from the cushion block, of the screw is not provided with an external thread, so that the total length, capable of pushing the cushion block, of the screw is the same as the length of the liquid in the material core, when the liquid is used up, the screw cannot be pushed, the short rotor, the long rotor and the clamping column cannot rotate, and when the button is pressed, the internal thread rotary drum cannot rotate.

The diameter of material barrel reduces gradually towards the direction of installation syringe needle one end, and there are 1~2 big rectangular holes liquid and the rubber buffer that can observe inside material core to the side, and there are scale and the numerical value of liquid volume milliliter quantity to the side. One side of the material cylinder with the larger thickness is provided with 2 square bosses which are matched with 2 circles of shell inner annular bosses and 8 strip-shaped bosses in the inner part of the larger end of the lower shell, and the square bosses are used for fixing the material cylinder and the lower shell and facilitating the installation and the taking down of the lower shell.

2 internal thread post recesses of the inboard of internal thread post can let 2 material section of thick bamboo bosss of material section of thick bamboo pass in and out.

When the material cylinder is installed on the upper shell in place, the annular surface at one end of the upper shell is tightly attached to the side surface of the lug boss of the material cylinder. When the lower shell is installed on the material cylinder in place, the annular surface at one end of the lower shell is tightly attached to the other side surface of the lug boss of the material cylinder. The lower shell can be arranged on the material cylinder and can also be taken down.

The sounding ring is arranged in the internal thread column, and the groove of the sounding ring is matched and fixed with the small boss of the internal thread column. The sounding ring is provided with 1-4 sounding elastic sheets, and when the material cylinder is installed in a rotating mode, the sounding elastic sheets of the sounding ring hit a clamping ring axial boss inside the clamping ring to sound; when the material cylinder is taken out in a rotating mode and is completely separated, the sounding elastic sheet of the sounding ring strikes the clamping ring axial boss inside the clamping ring to sound.

When the material barrel is rotatably installed, the material barrel boss mark is aligned with the upper shell boss mark, and the material barrel is installed in place. If the vision or the hearing of the operator is in a trouble, the 2 marks can be touched by hands to confirm the installation condition of the material cylinder.

The outer side of the thinner end of the lower shell is provided with a baffle, and when the lower shell is arranged on the material barrel, the baffle can prevent the lower shell from freely rolling.

The liquid capacity of the material core arranged in the material cylinder can be adjusted, and related part parameters can be adjusted according to the liquid capacity.

The invention has the advantages that the appearance color is that the upper shell, the lower shell and the button are in the same light color, the internal thread rotary drum, the observation window and the material barrel are in the same dark color, the magnifier is transparent, the outer side of the scale barrel is white, the dosage scale and the numerical value are black, the integral attractiveness is high, and the dosage numerical value can be conveniently observed.

The material conveying device has the advantages that the spring is made of metal materials, other parts are made of non-metal materials, the material conveying device is light in weight, small and portable, the device can produce sound when the device is used for conveying dosage, conveying materials and replacing material cores, the operation is simple, and the material cores can be replaced for multiple times.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a structural sectional view of a preferred embodiment of the present invention.

Fig. 2 is an exploded schematic view of a preferred embodiment of the present invention.

Fig. 3 is an exploded cross-sectional view of a preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of a button according to a preferred embodiment of the present invention.

FIG. 5 is a schematic structural view of an internally threaded rotating drum of a preferred embodiment of the present invention.

Fig. 6 is a schematic view of the structure of the observation window of the preferred embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the magnifying glass of the preferred embodiment of the present invention.

Fig. 8 is a schematic structural view of a scale drum of a preferred embodiment of the present invention.

Fig. 9 is a schematic structural view of an upper case of the preferred embodiment of the present invention.

FIG. 10 is a schematic structural view of an externally threaded cartridge of a preferred embodiment of the present invention.

Fig. 11 is a schematic structural view of an internally threaded post of a preferred embodiment of the present invention.

Fig. 12 is a schematic structural view of a sounding ring of the preferred embodiment of the present invention.

Figure 13 is a schematic diagram of the structure of the material cylinder of the preferred embodiment of the invention.

Fig. 14 is a schematic structural view of a lower case of a preferred embodiment of the present invention.

Fig. 15 is a schematic view of the structure of the spacer block of the preferred embodiment of the present invention.

Fig. 16 is a schematic structural view of a snap ring of the preferred embodiment of the present invention.

Fig. 17 is a schematic structural view of a sliding jaw according to a preferred embodiment of the present invention.

Fig. 18 is a schematic structural view of a short rotor of the preferred embodiment of the present invention.

Fig. 19 is a schematic structural view of a long rotor according to a preferred embodiment of the present invention.

Fig. 20 is a schematic structural view of a screw according to a preferred embodiment of the present invention.

Fig. 21 is a schematic structural view of a cartridge of the preferred embodiment of the present invention.

Fig. 22 is a schematic structural view of the two-way dome base according to the preferred embodiment of the present invention.

Fig. 23 is a schematic structural diagram of a two-way spring according to a preferred embodiment of the invention.

In the figure: 10-button, 11-button triangular groove, 12-concave spherical crown surface, 13-bidirectional tooth and 14-button circular table.

20-an internal thread rotary drum, 21-a knob, 22-an inner cavity, 23-an axial triangular tooth, 24-a radial triangular tooth, 25-a narrow boss, 26-a wide boss, 27-an internal thread groove, 28-an external triangular tooth and 29-an annular boss.

30-observation window, 31-sharp boss mark, 32-hole and 33-buckle.

40-magnifier, 41-arc inclined plane, 42-cylinder surface, 43-step inclined plane, 44-mirror surface.

50-a graduated cylinder, 51-a dose value, 52-a dose scale, 53-a graduated cylinder annular boss and 54-a graduated cylinder triangular groove.

60-upper shell, 61-upper shell boss mark, 62-square hole, 63-inclined plane, 64-upper shell small groove, 65-upper shell small boss, 66-upper shell large boss, and 67-upper shell large groove.

70-external thread bin, 71-external thread bin one-way teeth, 72-external thread bin large groove, 73-clamping groove, 74-convex thread, 75-elastic sheet, 76-external thread bin small groove.

80-internal thread column, 81-internal thread column buckle, 82-long hole, 83-threaded hole, 84-internal thread column inclined plane boss, 85-internal thread column small boss, 86-internal thread column groove, 87-internal thread column bayonet and 88-internal thread column large boss.

90-material core barrel spring.

100-sounding ring, 101-sounding ring groove, 102-sounding elastic sheet.

110-material cylinder, 111-semicircular opening, 112-material cylinder boss, 113-material cylinder boss mark, 114-square boss, 115-large long-strip hole, 116-scale, 117-interface thread and 118-numerical value.

120-lower shell, 121-baffle, 122-annular boss in shell, 123-elongated boss.

130-cushion block, 131-cushion block bayonet, 132-cushion block inner cavity and 133-cushion block plane.

140-snap ring, 141-snap ring radial boss, 142-snap ring axial boss, 143-snap ring groove, 144-semi-cylinder.

150-sliding claw, 151-sliding claw buckle, 152-claw, 153-sliding claw boss, 154-sliding claw bayonet and 155-sliding claw groove.

160-short rotor, 161-short rotor groove, 162-short rotor triangular tooth, 163-side plane, 164-short rotor circular truncated cone.

170-long rotor, 171-one-way shrapnel, 172-strip-shaped tooth, 173-long rotor one-way tooth, 174-external hexagon.

180-screw, 181-thread, 182-end, 183-cylinder, 184-screw plane, 185-screw triangular groove.

190-clamp column, 191-clamp column long circular tube, 192-internal hexagonal surface, 193-clamp column circular table surface, 194-clamp column coarse triangular teeth, 195-clamp column fine triangular teeth and 196-clamp column large circular table.

200-button spring.

210-bidirectional elastic sheet base, 211-large triangular groove, 212-round table surface, 213-boss side surface and 214-convex spherical crown surface.

220-two-way shrapnel, 221-shrapnel middle hole, 222-side, 223-shrapnel two-way tooth, 224-shrapnel side.

Detailed Description

In the description of the present invention, the term "clockwise" refers to a clockwise direction facing the circular surface of the button, "counterclockwise" refers to a counterclockwise direction facing the circular surface of the button, "bidirectional" refers to 2 clockwise and counterclockwise directions, "unidirectional" refers to 1 of 2 clockwise and counterclockwise directions, "sound" refers to a rattle audible to an operator, "axis" refers to the central axis of the cylinder structure, "rotation" and "rotation" refer to rotational movements around the axis, "circumferential" refers to directions around the axis, "axial" refers to directions along or parallel to the axis, "radial" refers to directions perpendicular to the axis, "thicker" refers to a larger diameter, "thinner" refers to a smaller diameter, "position" refers to a position determined in the circumferential or axial direction, "fixed" refers to no circumferential rotation or axial movement, "coaxial," "up," "down," "in," "out," and the like, which are indicated orientation or positional relationships based on the orientation and positional relationships shown in the drawings These terms and part names are merely for convenience of describing the present invention and for simplicity of description, and do not indicate or imply that the structures referred to must have a particular orientation, a particular operation, and a particular name, and therefore should not be construed as limiting the present invention.

Fig. 1 to 23 show a preferred embodiment of a reusable portable liquid material conveying device according to the present invention, which includes a button 10, an internal screw drum 20, a viewing window 30, a magnifying glass 40, a scale drum 50, an upper housing 60, an external screw cabin 70, an internal screw column 80, a material core cylinder spring 90, a sound ring 100, a material cylinder 110, a lower housing 120, a spacer block 130, a snap ring 140, a sliding claw 150, a short rotor 160, a long rotor 170, a screw 180, a snap column 190, a button spring 200, a two-way spring plate base 210, and a two-way spring plate 220.

The material core of the preferred embodiment of the invention mainly comprises a glass bottle, a material and a rubber plug.

The clamping column 190, the button spring 200, the bidirectional spring piece base 210, the bidirectional spring piece 220 and the button 10 are sequentially arranged in the inner cavity 22 of the knob 21 of the internal thread rotary drum 20.

The inner cavity 22 of the knob 21 of the internally threaded rotating cylinder 20 extends into the long cylindrical tube 191 of the bayonet. When the radial triangular teeth 24 at the bottom of the inner cavity 22 of the knob 21 of the internal thread rotating cylinder 20 are meshed with the clamping column thin triangular teeth 195 on one side of the clamping column large circular truncated cone 196 of the clamping column 190, the internal thread rotating cylinder 20 and the clamping column 190 synchronously rotate, and when the meshing is not carried out, the internal thread rotating cylinder 20 and the clamping column 190 synchronously rotate. The latch boss 193 on the other side of the latch boss 196 is restrained against axial movement by the button spring 200 and the button 10.

The button spring 200 is installed between the latch boss 193 of the latch 190 and the inner cavity of the dome base 210.

The two-way dome sheet 220 is mounted on the two-way dome sheet base 210 by the cooperation of the dome sheet middle hole 221 of the two-way dome sheet 220 and the convex spherical crown surface 214 of the two-way dome sheet base 210. The spring side 224 of the two-way spring 220 is closely attached to the circular table 212 of the two-way spring base 210. The side 222 of the middle hole 221 of the two-way spring 220 is engaged with the side 213 of the base 210 to make the two-way spring 220 and the base 210 rotate synchronously.

The cooperation of the convex spherical crown surface 214 of the dome base 210 with the concave spherical crown surface 12 of the inner cavity of the button 10 allows the dome base 210 to rotate freely about the axis of the button 10.

The 4 large triangular grooves 211 of the two-way spring base 210 are matched with the 4 card post coarse triangular teeth 194 of the card post 190, so that the two-way spring base 210 and the card post 190 can synchronously rotate.

The 2 spring plate bidirectional teeth 223 of the bidirectional spring plate 220 can strike the bidirectional teeth 13 at the bottom of the inner cavity of the button 10 to produce sound.

The 4 button triangular grooves 11 of the button 10 are engaged with the 4 axial triangular teeth 23 of the internally threaded drum 20 so that the button 10 and the internally threaded drum 20 can be rotated in synchronization. The engagement of the button boss 14 of the button 10 with the narrow boss 25 of the internally threaded tumbler 20 prevents the button 10 from disengaging from the interior cavity 22 of the knob 21 of the internally threaded tumbler 20.

The 3 outer side triangular teeth 28 on the outer side of the internal thread rotary drum 20 are matched with the 3 inner side triangular grooves 54 of the scale drum 50, and the 4 outer side annular bosses 29 of the internal thread rotary drum 20 are matched with the 4 inner side annular bosses 53 of the scale drum 50, so that the scale drum 50 is coaxially arranged on the internal thread rotary drum 20.

The scale drum 50 has a plurality of circles of dose scales 52 on the outside and is marked with dose values 51.

The long pipe of the long rotor 170 extends into the clamping column 190 through the central circular hole of the external thread bin 70, and the external hexagonal surface 174 on the outer side of the long rotor 170 is matched with the internal hexagonal surface 192 on the inner side of the clamping column 190, so that the long rotor 170 and the clamping column 190 can synchronously rotate.

Each one-way spring piece 171 of the long rotor 170 has 1 long rotor one-way tooth 173, and one face of the long rotor one-way tooth 173 is coplanar with the axis of the long rotor 170. One face of each externally threaded cartridge one-way tooth 71 is coplanar with the axis of the externally threaded cartridge 70. The 2 unidirectional shrapnels 171 of the long rotor 170 are matched with the unidirectional teeth 71 of the external thread bin 70 to realize the relative unidirectional rotation of the long rotor 170 and the external thread bin 70.

When materials are conveyed, the long rotor 170 rotates anticlockwise, the one-way elastic sheet 171 rotates and strikes the one-way teeth 71 of the external thread bin on the inner side of the external thread bin 70 to produce sound, and the one-way elastic sheet 171 is meshed with the one-way teeth 71 of the external thread bin on the inner side of the external thread bin 70 to limit the rotation of the long rotor 170 when the materials are not conveyed.

The short rotor 160 is mounted between the long rotor 170 and the internally threaded post 80.

The long rotor 170 and the short rotor 160 may be rotated in synchronization when the bar teeth 172 of the long rotor 170 are engaged with the short rotor grooves 161 in the short rotor 160.

The sound ring is installed by the cooperation of the sound ring groove 101 of the sound ring 100 and the small boss 85 of the internal thread column 80.

The boss on the inside of the snap ring 140 is composed of 2 small bosses with one high and one low. The 2 sounding tabs 102 of the sounding ring 100 can hit the snap ring axial bosses 142 on the inner side of the snap ring 140 to sound. When the material barrel 110 is installed in a rotating mode, the sounding elastic sheet 102 of the sounding ring 100 strikes the clamping ring axial boss 142 inside the clamping ring 140 to sound; when the cartridge 110 is rotated out of the fully disengaged position, the sound dome 102 of the sound ring 100 strikes the snap ring axial projection 142 inside the snap ring 140 to produce sound.

After the screw 180 passes through the long rotor 170, the external threaded bin 70 and the short rotor 160, the thread 181 of the screw 180 is screwed into the threaded hole 83 of the internal threaded column 80 for installation.

2 snap ring radial projections 141 of snap ring 140 fit through 2 sliding jaw grooves 155 of sliding jaw 150 into 2 sliding jaw bayonets 154 of sliding jaw 150.

The snap ring groove 143 of the snap ring 140 is a positioning mark at the time of assembly.

The 4 pawls 152 of the sliding pawl 150 extend into the 4 slots 82 of the internally threaded post 80. 4 sliding pawl bosses 153 of the sliding pawl 150 and 4 sliding pawl buckles 151 at the tail end of the pawl 152 can bounce up through the internal thread column inclined plane boss 84 of the internal thread column 80, and the sliding pawl 150 can not be separated from the internal thread column 80 due to the matching of the internal thread column inclined plane boss 84 and the sliding pawl bosses 153.

2 semicylinders 144 of the snap ring 140 are matched with 2 semicircles 111 of the material cylinder to realize synchronous rotation of the snap ring and the material cylinder.

Through the matching of the material cylinder boss 112 of the material cylinder 110 and the internal thread column groove 86 of the internal thread column 80, the material cylinder 110 extends into the internal thread column 80, 2 half-ports 111 of the material cylinder 110 are clamped with 2 half-columns 144 of the clamping rings 140, the material cylinder 110 is rotated, 2 material cylinder bosses 112 of the material cylinder 110 circumferentially rotate in 2 internal thread column bayonets 87 of the internal thread column, 2 clamping ring radial bosses 141 of the clamping rings 140 slide in 2 sliding claw bayonets 154 of the sliding claws 150 to push the sliding claws 150 to move towards the short rotor 160, so that the short rotor groove 161 in the short rotor 160 is meshed with the strip-shaped teeth 172 of the long rotor 170, and when the clamping is completely carried out, the material cylinder 110 is installed in place.

When the material cylinder 110 is installed in place, the short rotor circular truncated cone 164 of the short rotor 160 can freely rotate between the 4 sliding claw bosses 153 of the sliding claws 150 and the 4 sliding claw buckles 151 at the tail ends of the claws 152. The 2 large elongated holes 115 of the material cylinder 110 allow observation of the liquid and rubber stopper. The side of the material cylinder 110 has a scale 116 for marking the number of milliliters of the liquid volume and a number 118. The needle is mounted through interface threads 117 of the material cartridge 110.

The material core barrel spring 90 is arranged in a gap between the sliding claw 150 and the internal thread column 80, the thrust released by the sliding claw 150 can press the contact surface of the material barrel boss 112 on the side surface of the material barrel 110 and the internal thread column bayonet 87 of the internal thread column 80 when the material barrel 110 is installed to realize the fastening after the material barrel 110 is installed in a rotating way, and the short rotor groove 161 on the inner side of the short rotor 160 and the strip-shaped tooth 172 of the long rotor 170 can be completely separated through the movement in the axial direction when the material barrel 110 is taken out.

After the installation of the relevant parts is completed, the spacer block 130 is installed at the end 182 of the screw 180. The end 182 of the threaded rod 180 is engaged with the block mount 131 of the block 130, and the end 182 of the threaded rod 180 is automatically rotatable in the block cavity 132 of the block 130. The pad plane 133 of the pad 130 facilitates installation and prevents rolling thereof.

The internally threaded rotating cylinder 20 is coaxially mounted outside the externally threaded bin 70. The male thread 74 of the male threaded bin 70 is engaged in the female thread groove 27 of the female threaded drum 20, and the engagement of the resilient tab 75 of the male threaded bin 70 with the wide boss 26 of the female threaded drum 20 allows the male threaded bin 70 to be disengaged from the female threaded drum 20.

The width of the 2 external thread bin large grooves 72 at 180-degree intervals of the external thread bin 70 is different, the width of the 2 external thread bin small grooves 76 at 180-degree intervals is different, the width of the 2 upper shell small bosses 65 at 180-degree intervals corresponding to the upper shell 60 is different, and the width of the 2 upper shell large bosses 66 at 180-degree intervals is different, so that the circumferential positioning of the external thread bin 70 and the upper shell 60 can be realized.

The external thread bin 70 and the internal thread column 80 are installed on both sides of the upper housing small boss 65 of the upper housing 60 by the matching of the external thread bin large groove 72 and the external thread bin small groove 76 of the external thread bin 70 with the upper housing large boss 66 and the upper housing small boss 65 of the upper housing 60. The internal thread column fastener 81 of the internal thread column 80 is clamped into the clamping groove 73 of the external thread bin 70, so that the internal thread column 80 and the external thread bin 70 are fixed.

The 2 internal thread column large bosses 88 at 180 degrees intervals outside the 2 internal thread column grooves 86 at 180 degrees intervals of the internal thread column 80 are matched with the 2 upper housing large grooves 67 at 180 degrees intervals inside the upper housing 60, so that the internal thread column 80 is positioned in the circumferential direction inside the upper housing 60.

When the material cylinder 110 is installed in a rotating manner, the circular material cylinder boss mark 113 on the outer side of the material cylinder 110 is aligned with the upper housing boss mark 61 of the upper housing 60, which indicates that the material cylinder 110 is installed in place.

The 2 screw planes 184 and 2 screw triangular grooves 185 of the screw 180 are engaged with the 2 side planes 163 and 2 short rotor triangular teeth 162 of the short rotor 160 so that the screw 180 and the short rotor 160 can be rotated in synchronization.

The length of the thread 181 of the screw 180 matches the length of the liquid in the core, and the cylinder 183 of the screw 180 is not threaded, so that the total length of the movement of the pushing pad of the screw 180 is the same as the length of the liquid in the core, when the liquid is used up, the screw 180 cannot push, the short rotor 160, the long rotor 170 and the clamping column 190 cannot rotate, and the internally threaded rotating cylinder 20 does not rotate when the button 10 is pressed.

The mirror 44 of the magnifying lens 40 fits within the aperture 32 of the viewing window 30. The cylindrical surface inside the viewing window 30 cooperates with the partial cylindrical surface 42 of the magnifying lens to compress the magnifying lens 40. The pointed boss mark 31 of the observation window 30 is matched with the scale drum 50 to realize the marking of the dosage value.

The square hole 62 of the upper housing 60 is fitted with the observation window 30. The 2 catches 33 of the viewing window 30 cooperate with the upper housing 60 to limit the rotation of the viewing window 30. The 4 sides of the square hole 62 of the observation window 30 are installed on the upper shell 60, 2 sides parallel to the axis of the upper shell 60 are provided with 2 upper shell small grooves 64 which are matched with 2 buckles 33 of the observation window 30 to realize the fixation of the observation window 30, the local plane of the square hole 62 beside the upper shell small grooves 64 is matched with the step inclined plane 43, and the 2 sides vertical to the axis of the upper shell 60 are provided with an inclined plane 63 which is matched with the arc inclined plane 41 of the magnifier 40 to realize the fixation of the magnifier 40 by combining the observation window 30.

When the internal thread rotary drum 20 is rotated to set the delivered dose, the button 10 synchronously rotates along with the internal thread rotary drum 20, the bidirectional elastic sheet 220 strikes the bidirectional teeth 13 inside the button 10 to sound, and the bidirectional elastic sheet 220 can sound when the internal thread rotary drum 20 rotates clockwise or anticlockwise to increase or reduce the delivered dose.

The inside of the thicker end of the lower shell 120 is provided with 2 circles of shell inner annular bosses 122 and 8 elongated bosses 123 which are matched with 2 square bosses 114 on the thicker side of the material barrel 110 to realize the fixation of the lower shell 120. The outer side of the thinner end of the lower housing 120 is provided with a blocking piece 121. When the lower housing 120 is mounted on the material cylinder 110, the blocking piece 121 can prevent the material conveying device from freely rolling.

The liquid volume of the material core installed in the material cylinder 110 can be adjusted, and related part parameters can be adjusted according to the liquid volume.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A reusable portable liquid material conveying device is characterized by comprising a button, an internal thread rotary drum, an observation window, a magnifier, a scale drum, an upper shell, an external thread bin, an internal thread column, a material core drum spring, a sounding ring, a material drum, a lower shell, a cushion block, a snap ring, a sliding claw, a short rotor, a long rotor, a screw rod, a snap column, a button spring, a bidirectional elastic sheet base and a bidirectional elastic sheet; except that the observation window and the magnifier are arranged outside the side surface of the upper shell, other parts are coaxially arranged;

the button, the bidirectional elastic sheet base, the button spring and the clamping column are sequentially arranged in the inner cavity of the knob of the internal thread rotary drum; the button can not be separated from the internal thread rotary drum; the bidirectional elastic sheet is arranged on the bidirectional elastic sheet base and coaxially arranged inside the button, a circle of bidirectional teeth are arranged at the bottom of the inner side of the button and matched with the bidirectional elastic sheet, the bidirectional elastic sheet base is provided with 1-8 large triangular grooves which are matched with 1-8 clamping column coarse triangular teeth of the clamping column, synchronous rotation of the bidirectional elastic sheet and the clamping column is realized, and the button spring is arranged between the bidirectional elastic sheet base and the clamping column;

the external thread bin and the clamping column are coaxially arranged inside the internal thread rotating drum, and the long rotor is coaxially arranged inside the clamping column;

the scale drum is coaxially fixed on the outer side of the internal thread rotary drum, 1-7 outer triangular teeth are arranged on the outer side of the internal thread rotary drum and matched with 1-7 scale drum triangular grooves in the inner side of the scale drum, 2-6 annular bosses on the outer side of the internal thread rotary drum are matched with 2-6 annular bosses on the inner side of the scale drum, and the relative positions of the scale drum and the internal thread rotary drum are determined and fixed;

the observation window is arranged at the square hole of the upper shell, and the magnifier is arranged at the hole of the observation window;

the inner thread column is matched and fixed in the upper shell through a buckle and a clamping groove of the outer thread bin, and a sounding ring for sounding when the material core is replaced is coaxially arranged in the inner thread column; the screw rod penetrates through the short rotor, the internal thread column, the material core barrel spring, the clamping ring and the sliding claw, and a cushion block is arranged at the tail end of the lower part of the screw rod; the short rotor is positioned at the tail end of the lower part of the long rotor, a material core barrel spring is arranged above the sliding claw, and the snap ring is arranged in the sliding claw in a bayonet fit manner through the sliding claw;

2 material cylinder bosses of the material cylinder enter and exit through 2 internal thread column grooves on the inner side of the internal thread column, and the material cylinder can be easily mounted or dismounted;

the lower shell is arranged on the outer side of the material barrel and can be easily mounted or dismounted;

the liquid capacity of the material core arranged in the material cylinder can be adjusted, and related part parameters can be adjusted according to the liquid capacity.

2. A portable reusable liquid material handling device according to claim 1 and further comprising: the button is arranged along the cylindrical surface of the inner cavity of the knob of the internal thread rotary drum, and the circular truncated cone of the button is matched with an annular narrow boss at the inlet of the inner cavity of the knob of the internal thread rotary drum, so that the button cannot be separated from the internal thread rotary drum; the long circular tube of the clamping column extends into the internal thread rotary drum from the knob end of the internal thread rotary drum from top to bottom, a plurality of radial triangular teeth are arranged in the circumferential direction of the inner cavity bottom of the knob of the internal thread rotary drum and are matched and fixed with a plurality of thin triangular teeth of the clamping column in the circumferential direction of one side of the large circular table of the clamping column, and the circular table surface of the clamping column on the other side of the large circular table of the clamping column limits axial movement of the circular table surface of the clamping column through a button spring and a button.

3. A portable reusable liquid material handling device according to claim 1 and further comprising: the external thread bin is arranged above the internal thread column and coaxially arranged in the upper shell, and the external thread bin is fixed with the internal thread columns at one end of the internal thread column in a buckling fit manner through a plurality of clamping grooves at one end; go up 1~2 of shell one end inboard and go up the big boss cooperation of the big recess of shell and the big boss of 1~2 internal thread post in the internal thread post outside, go up 1~2 of shell inboard and go up the little boss of shell and go up the big boss cooperation of the big boss of shell and external screw thread storehouse and the big recess of external screw thread storehouse, fix shell and external screw thread storehouse and internal thread post to the restriction goes up the circumference of the inside relevant spare part of shell and rotates.

4. A portable reusable liquid material handling device according to claim 1 and further comprising: the long rotor is arranged below the clamping column, the inner side of the clamping column and the outer side of the long rotor are hexagonal surfaces, the long rotor extends into the clamping column, the long rotor can flexibly stretch out and draw back in the clamping column, and the clamping column and the long rotor can synchronously rotate through the matching of the hexagonal surfaces; the short rotors are arranged below the long rotors and are positioned in the external thread bin; the outer side of a cylinder at the lower end of the long rotor is provided with a plurality of strip-shaped teeth which are meshed with a plurality of short rotor grooves of the short rotor, and the long rotor and the short rotor can synchronously rotate; the long rotor is provided with 2 unidirectional elastic sheets, each unidirectional elastic sheet is provided with 1 long rotor unidirectional tooth, and one surface of each long rotor unidirectional tooth is coplanar with the axis of the long rotor; a plurality of external thread bin unidirectional teeth are arranged on the inner side of the cylindrical surface at the corresponding position of the external thread bin, and one surface of each external thread bin unidirectional tooth is coplanar with the axis of the external thread bin; when materials are conveyed, the long rotor rotates anticlockwise, the one-way elastic sheet rotates and strikes the one-way teeth of the external thread bin on the inner side of the external thread bin to produce sound, and the one-way elastic sheet blocks the one-way teeth of the external thread bin when the materials are not conveyed.

5. A portable reusable liquid material handling device according to claim 1 and further comprising: the screw penetrates through the short rotor and the internal thread column, 2 short rotor triangular teeth are arranged in a hole in the middle of the short rotor and matched with 2 screw triangular grooves on two sides of the screw, and the short rotor and the screw can synchronously rotate; the screw thread of screw rod and the screw thread of the screw hole of internal thread post are the complex, can promote the rubber buffer in cushion and the material core when the screw rod rotates and push out liquid, and when liquid was used up, the screw rod can no longer promote, and the internal thread post no longer rotates when the button was pressed.

6. A portable reusable liquid material handling device according to claim 1 and further comprising: the sliding claw is coaxially arranged inside the internal thread column; 4 claws at one end of the sliding claw coaxially extend into the internal thread column and can axially slide in the internal thread column, and 4 sliding claw bosses of the sliding claw and sliding claw buckles at the tail ends of the 4 claws can bounce at the inclined plane bosses of the internal thread column and slide into 4 long holes of the internal thread column; the matching of the inclined plane boss of the internal thread column and the boss of the sliding claw ensures that the sliding claw cannot be separated from the internal thread column; the cylindrical side surface at the other end of the sliding claw is provided with 2 sliding claw bayonets.

7. A portable reusable liquid material handling device according to claim 1 or claim 6 and wherein: the material cylinder is arranged at the tail end of the lower part of the clamping ring, 2 semi-cylinders are arranged at one end of the clamping ring and matched with 2 semi-circular openings at one end of the material cylinder, and the clamping ring and the material cylinder can synchronously rotate; the side surface of a cylinder at the other end of the clamping ring is provided with 2 clamping ring radial bosses which are clamped into 2 sliding claw bayonets of the sliding claws; the material core barrel spring is arranged in a gap between the sliding claw and the internal thread column, the contact surface between the lug boss of the material barrel and the bayonet of the internal thread column is pressed to realize the fastening after the material barrel is rotatably installed by the thrust released by the sliding claw when the material barrel is installed, and the complete separation of the groove of the short rotor and the strip-shaped tooth of the long rotor is realized by the movement in the axis direction when the material barrel is taken out.

8. A portable reusable liquid material handling device according to claim 7 and further comprising: the material cylinder is provided with a material core, after the material cylinder extends into the internal thread column from bottom to top, 2 half ports of the material cylinder are clamped with 2 half cylinders at one end of the clamping ring, the material cylinder is rotated, 2 material cylinder bosses of the material cylinder rotate in the circumferential direction in the 2 internal thread column clamping ports of the internal thread column, 2 clamping ring radial bosses of the clamping ring slide in 2 sliding claw clamping ports of the sliding claw to push the sliding claw to move towards the short rotor, a groove of the short rotor is meshed with a strip-shaped tooth of the long rotor, and when the material cylinder is completely meshed, the material cylinder is installed in place; when the material barrel is installed in place, the short rotor round platform can freely rotate between the sliding claw boss and the sliding claw buckle at the tail end of the claw; the material barrel can be easily mounted or dismounted.

9. A portable reusable liquid material handling device according to claim 1 and further comprising: the observation window is provided with 2-4 buckles which are matched with the upper shell to limit the rotation of the observation window; the cylindrical surface inside the observation window is matched with the cylindrical surface of the magnifier to tightly press the magnifier; 4 sides of a square hole of the observation window are installed on the upper shell, 2 sides parallel to the axis of the upper shell are provided with 2-4 small grooves of the upper shell, the small grooves are matched with 2-4 buckles of the observation window to fix the observation window, and 2 sides vertical to the axis of the upper shell are provided with inclined planes which are matched with the arc inclined planes of the magnifier to combine the observation window to fix the magnifier; a baffle is arranged on the outer side of the thinner end of the lower shell; the inside of the thicker end of the lower shell is provided with 2 circles of shell inner annular bosses and 8 strip-shaped bosses which are matched and fixed with 2 square bosses on the thicker side of the material cylinder.

10. A portable reusable liquid material handling device according to claim 1 and further comprising: the button round table is provided with a button triangular groove which is matched with an axial triangular tooth in the internal thread rotary drum, so that the button and the internal thread rotary drum can synchronously rotate; when the internal thread rotary drum is rotated to set the delivered dose, the button synchronously rotates along with the internal thread rotary drum, the bidirectional elastic sheet strikes the bidirectional teeth inside the button to produce sound, and the bidirectional elastic sheet can produce sound when the internal thread rotary drum rotates clockwise or anticlockwise to increase or reduce the delivered dose; the sounding ring is arranged in the internal thread column, and the groove of the sounding ring is matched and fixed with the small boss of the internal thread column; the sounding ring is provided with 1-4 sounding elastic sheets, and when the material cylinder is installed in a rotating mode, the sounding elastic sheets of the sounding ring hit a clamp ring axial boss inside the clamp ring to sound; when the material barrel is rotated and taken out and completely separated, the sounding elastic sheet of the sounding ring strikes the axial boss of the snap ring in the snap ring to sound; when the material barrel is rotatably installed, the material barrel boss mark is aligned with the upper shell boss mark on the outer side of the tail end of the upper shell, and the material barrel is installed in place.

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