CN219296185U - Double-cavity material storing and distributing device - Google Patents

Abstract

The utility model discloses a double-cavity material storing and distributing device, which belongs to the field of storing and distributing and comprises double cavities for independently storing materials: a first chamber and a second chamber; the dispensing port is formed by extending the port outside the same side of the first chamber and the second chamber, and the piston is sealed in the first chamber and the second chamber and can push the material body to be extruded in a movable way; a plunger that pushes the pair of pistons; or further comprising a closure to seal the dispensing opening when dispensing is not performed; or the device also comprises a static mixer, can be used for static mixing of two materials extruded from the dispensing opening when dispensing is needed, and has the advantages of simplicity, convenience, equal stroke quantity for dispensing two contents to be mixed, low manufacturing cost and the like.

Description

Double-cavity material storing and distributing device

Technical Field

The present utility model relates to the field of storage and dispensing, and more particularly to a dual cavity material storage and dispensing device.

Background

Devices for storing and dispensing viscous fluids having separate stored components, such as double-barreled syringes, are known, consisting of a double barrel for storing the fluid, a double head mounted at one end of the double barrel for dispensing the fluid, and a piston pushed and pulled at the other end of the double barrel, the heads of the two dispensing bodies being independent, and if necessary, the heads being connected to a static mixer or a closure, a connector being added in the middle, resulting in a large number of integral parts, too complex to be suitable for mass production, and thus easily producing a large number of inexpensive, non-recyclable packages.

As in the patent CN201310545426.0, the third and fourth connecting elements are in the form of separate tubes, as the two outlets of the container, in order to allow the first and second fluid components to be directed to the inlet end of the nozzle, in particular to the static mixer of the main channel of the nozzle, an insert is used for a friction fit connection, the insert likewise having a first and a second connecting element in the form of tubes corresponding to the third and fourth connecting element described above, respectively, both ends of the insert serving the connection being in a removable state with the nozzle and the container, being separate pieces.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a double-cavity material storing and distributing device.

In order to solve the problems, the utility model adopts the following technical scheme.

A dual-cavity material storage and dispensing apparatus comprising a first chamber and a second chamber for storing material respectively; both ends of the first chamber and the second chamber are provided with through openings;

a dispensing port; the two outward integral extending parts of any side of the first cavity and the second cavity form the distribution opening together, and the distribution opening is convenient for the material body to be extruded respectively with the area smaller than that of the first cavity and the second cavity; meanwhile, the outer wall of the distribution port is in a circumference shape and has the function of external connection;

the inner walls of the first chamber and the second chamber are axially provided with pistons in a sealing way; the piston extrudes the material when approaching to the dispensing opening along the axis in the first chamber or the second chamber in a sealing way;

and the plunger is used for pushing the pair of pistons to move, one end close to the dispensing port is fixedly or detachably connected with the pistons, and one end far away from the dispensing port extends outwards of the cavity.

Preferably, the plunger is two with first cavity and the pole that the second cavity inner wall matches, and the pole is close to the one end middle part of piston and is set up protruding pole and piston matching installation, and the one end that keeps away from the piston links as an organic whole structure and forms the handle in order to push and pull in step.

Preferably, the plunger is a hollow post rod with one closed end and one open end, the closed end is close to the piston, one side of the outer wall of the plunger, which is close to the piston, is provided with an exhaust hole, and the exhaust hole and the hollow post are communicated to form an exhaust channel.

Preferably, the outer wall of the plunger is uniformly provided with convex scale marking rings.

Preferably, the device further comprises a closure cap provided over the dispensing opening to seal it.

Preferably, the device further comprises a sealing plug, wherein the sealing plug is positioned between the sealing cover and the dispensing opening, friction is increased in a clamping manner, and the sealing is enhanced to prevent mixing between the materials respectively discharged from the dispensing opening.

Preferably, a connecting part is arranged between the sealing cover or the static mixer and the dispensing opening for detachable connection; the connecting part is a first connection and a second connection, the first connection is arranged at the periphery of the dispensing opening and is integrated with the device, and the second connection is integrated with the sealing cover or the static mixer; the first connection and the second connection are clamped with each other through rotation to form external fixation, and the sealing cover or the static mixer is clamped with the outer wall of the dispensing opening to form internal fixation.

Preferably, the first connection comprises two connection blocks which are distributed in a central symmetry way by a central point of the distribution port, two limit posts arranged on the periphery of the distribution port and a limit channel arranged in the connection blocks; the second connection comprises two mounting blocks protruding outwards from the outer wall of the sealing cover or the static mixer and arranged in a central symmetry mode, and a plurality of limit edges protruding inwards from the inner wall of the sealing cover or the static mixer, and a limit part capable of entering a limit channel is fixed on the outer part of the connecting block along the circumferential direction; when the first connection and the second connection are connected, the limiting part is enabled to enter the limiting channel until the limiting column enters between two adjacent limiting edges to complete locking through rotation in the circumferential direction.

Preferably, a partition plate is arranged in the middle of the distribution opening, and the partition plate is fixedly connected with a dividing line between the first chamber and the second chamber.

Preferably, the inner top wall of the limiting channel is provided with two paths of protruding plates, and the height of the protruding plates limiting the limiting channel is equal to the thickness of the limiting part.

Preferably, the bottom surface of the sealing cover or the static mixer is provided with a material saving groove.

Compared with the prior art, the utility model has the advantages that:

1. the scheme is simple, reliable and convenient, can be produced in batches with relatively low cost, and is a reusable device; 2. a static mixer can be additionally arranged at the dispensing port, the required amount of the content can be dispensed in equal stroke quantity, and the two-component viscous material can be thoroughly mixed; 3. can be sealed by a sealing cover when not mixing, can not leak when being placed during storage and transportation, and can be additionally provided with a sealing plug to strengthen the sealing; 4. for detachable connection of the static mixer or the sealing cover and the dispensing opening, firstly, the outer wall of the dispensing opening and the inner wall of the static mixer or the sealing cover form internal connection, then external connection is realized through matching of a limiting channel, a limiting edge, a limiting part and the like, the internal connection and the external connection are more firm in positioning, and the disassembly and the assembly are also convenient; 5. the outer wall of the plunger is provided with a scale marking ring to give a hand prompt, so that the amount of the material to be distributed can be known according to the prompt, and the use and the control are convenient.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of the front bottom structure of the present utility model;

FIG. 3 is a schematic diagram of a perspective structure of a plunger according to the present utility model (the arrow in the figure shows the direction of exhaust of the exhaust passage);

FIG. 4 is a schematic view of the bottom structure of the exhaust passage of the present utility model;

FIG. 5 is a schematic view of a cross-sectional perspective structure of a dispensing opening of the present utility model;

FIG. 6 is a schematic diagram of the front structure of the present utility model with a cover

Fig. 7 is a schematic perspective view of a sealing plug of the present utility model;

FIG. 8 is a schematic elevational view of the static mixer of the present utility model;

FIG. 9 is a schematic perspective view of the present utility model with a cover and static mixer;

FIG. 10 is a schematic view of an exploded perspective view of the present utility model with a cover and static mixer;

FIG. 11 is a schematic view of the bottom structure of a static mixer or closure of the present utility model.

The reference numerals in the figures illustrate:

1-1 a first chamber; 1-2 a second chamber;

2 a dispensing port;

3, a piston;

4 plunger, 41 exhaust passage;

5, sealing the cover; 5-1 sealing plugs;

6 a static mixer;

7 connecting parts, 7-1 first connection, 710 connecting blocks, 711 limiting columns, 712 limiting channels, 7-2 second connection, 720 mounting blocks, 721 limiting edges, 722 limiting parts and 723 material saving grooves;

8 scale mark ring.

Description of the embodiments

Example 1: referring to fig. 1-11, the present utility model provides a dual-chamber material storage and dispensing apparatus comprising two chambers: the first chamber 1-1 and the second chamber 1-2 are integrally formed by the outer walls of the first chamber 1-1 and the second chamber 1-2, so as to form the main body shape of the device, and the two chambers can independently store viscous fluids of different materials. For example, one of the cylinders is filled with peroxide gel for whitening teeth, the other cylinder is filled with peroxide catalyst gel, and according to the mixing proportion of the whitened peroxide gel and the peroxide catalyst gel, the radial diameters of the first chamber 1-1 and the second chamber 1-2 are designed under the condition that the axial lengths of the first chamber 1-1 and the second chamber 1-2 are equal, so that the mixing proportion during discharging is ensured to meet the requirement; the first chamber 1-1 in fig. 2 has a smaller filling volume than the second chamber 1-2;

the two ends of the two chambers are provided with through holes, the through holes of the two chambers on any side are integrally extended outwards to form a distribution opening 2, the total through area of the distribution opening 2 is smaller than the total through hole area of the first chamber 1-1 and the second chamber 1-2, as shown in figure 10, the distribution opening 2 reduces the large-caliber through holes of the two chambers, so that a material body forms an extrusion state when being pushed out from the inside of the first chamber 1-1 and the second chamber 1-2, the middle of the distribution opening 2 is partitioned by a partition plate, the partition plate is fixedly connected at the boundary between the first chamber 1-1 and the second chamber 1-2, and the outer wall is cylindrical and can be used for connection with the outside;

the inner walls of the first chamber 1-1 and the second chamber 1-2 are axially and hermetically provided with pistons 3; the piston 3 extrudes the material when approaching towards the dispensing opening 2 along the axis sealing movement in the first chamber 1-1 or the second chamber 1-2;

a plunger 4 is arranged in the piston 3, the plunger 4 is two posts matched with the inner walls of the first chamber 1-1 and the second chamber 1-2 respectively, one end of each post is closed, the other end is open, and the interior is hollow; the closed end is close to the piston 3, a convex rod is arranged in the middle of the closed end and is fixedly or detachably connected with the piston 3, in the scheme, the convex rod is matched and clamped with the piston 3, and the piston 3 is positioned by using the elastic material of the piston 3; the open end extends to outside the cavity, and an integrated connection together forms an ellipse which can be used as a handle, so that two posts can be conveniently and synchronously pushed and pulled, the ellipse handle is larger than the inner diameter of the cavity, meanwhile, the height of the ellipse in the vertical direction, which is larger than the shape of the main body of the device, can be seen in fig. 2, the whole plunger 4 can not be pushed into the cavity, and the reserved part is conveniently pulled back outside.

Referring to fig. 3 and 4, an exhaust hole is formed in one side of the outer wall of the plunger 4, which is close to the piston 3, and the exhaust hole and the hollow rod are communicated to form an exhaust channel 41, and when the plunger 4 is pushed in the direction, which is close to the dispensing opening 2, in the direction shown by the arrow direction in fig. 3 and 4, the gas in the chamber can be exhausted from the exhaust channel 41, so that the material in the chamber can be fully filled.

Referring to fig. 10, the outer wall of the post is uniformly provided with convex scale marking rings 8, and the inner walls of the first chamber 1-1 and the second chamber 1-2 can be matched with each other to form an annular bulge, so that when the plunger 4 is pushed and pulled, the bulge can be crossed over the bulge to give a hand prompt, the scale marking rings 8 are continuously pushed, different prompts can be given, and the pushing material quantity can be known by corresponding scales of each bulge.

Example 2: unlike embodiment 1, the end of the device far away from the piston 3 is also detachably provided with a sealing cover 5, the sealing cover 5 is arranged on the dispensing port 2 to seal the dispensing port, at this time, the outer wall of the dispensing port 2 is used as a connecting port to be connected with the inside of the sealing cover 5 in a matching way, in addition, the periphery of the sealing cover 5 is integrally provided with a second connection 7-2, the periphery of the dispensing port 2 and the device are integrally provided with a first connection 7-1, and the first connection 7-1 comprises two connecting blocks 710 which are distributed in a central symmetry way at the center point of the dispensing port 2, two limiting columns 711 arranged at the periphery of the dispensing port 2 and limiting channels 712 arranged inside the connecting blocks 710; the second connection 7-2 comprises two connecting blocks 710 protruding out of the outer wall of the sealing cover 5 and distributed in a central symmetry mode, and a plurality of limiting ribs 721 protruding inwards of the inner wall of the sealing cover 5, and limiting parts 722 capable of entering the limiting channels 712 are fixed on the outer part of the connecting blocks 710 along the circumferential direction; when the first connection 7-1 and the second connection 7-2 are connected, the limiting portion 722 enters the limiting channel 712 through the rotation in the circumferential direction until the limiting columns 711 enter between two adjacent limiting ribs 721 to complete locking. When mixing is not required, the dispensing opening 2 can be sealed against leakage by means of the cap 5. The inner top wall of the limiting channel 712 is provided with two paths of protruding plates, the height of the protruding plates limiting the limiting channel 712 is approximately equal to the thickness of the limiting part 722, so that the connection is more compact, and the gap is reduced; the bottom of the sealing cover 5 or the static mixer 6 is provided with a material saving groove 723, so that the cost is reduced.

In a further embodiment, a sealing plug 5-1 is arranged between the sealing cover 5 and the dispensing opening 2, the sealing plug 5-1 is arranged between the dispensing opening 2 and the sealing cover 5 in a clamping manner, the cross section of the sealing plug 5-1 is in an inverted W shape as shown in an enlarged view in fig. 6, the lower end is provided with two corners which can extend into two sides of the dispensing opening 2 separated by a partition plate as shown in fig. 7, the upper end is propped against the inner surface of the sealing cover 5, and the sealing plug 5-1 is provided with elasticity, so that friction can be increased, the sealing can be enhanced, and materials can be prevented from being discharged and mixed from two sides of the dispensing opening 2.

The end of the device remote from the piston 3 is also detachably fitted with a static mixer 6, in the same way as the closure 5, the connection being identical, except that the second connection 7-2 is provided on the outer circumferential wall of the static mixer 6. The second connection 7-2 is also connected with the first connection 7-1 at the periphery of the dispensing opening 2, and the limiting part 722 enters the limiting channel 712 through the rotation along the circumferential direction until the limiting column 711 enters the space between two adjacent limiting ribs 721 to finish locking; the first connection 7-1 and the second connection 7-2 are clamped with each other through rotation to form external fixation, and the static mixer 6 is clamped with the outer wall of the dispensing opening 2 to form internal fixation.

When the components in the two chambers are required to be mixed to form a mixture with two components, the static mixer 6 can be arranged at the head of the dispensing opening 2, the plunger 4 is pushed, two materials are extruded from the dispensing opening 2 by the piston 3 and enter the static mixer 6, as the spiral sheets with guiding drainage function are arranged in the static mixer 6, the materials can be statically mixed in the static mixer 6 and finally discharged from the outlet of the static mixer 6 to finish mixing, or the mixture with two components can be formed after being dispensed by taking peroxide gel and peroxide catalyst gel as an example, the peroxide is contacted with the catalyst, the reaction rate of the tooth whitening process is increased, and the effect of accelerating tooth whitening is achieved.

Claims (10)

1. Double-cavity material storing and distributing device, its characterized in that: the device comprises

A first chamber (1-1) and a second chamber (1-2) for storing the material respectively; both ends of the first chamber (1-1) and the second chamber (1-2) are provided with through openings;

a dispensing opening (2); the two outward integral extending parts of the two through holes at any side of the first chamber (1-1) and the second chamber (1-2) form the distribution hole (2) together, and the distribution hole (2) facilitates the extrusion of the material bodies respectively in an area smaller than the through holes of the first chamber (1-1) and the second chamber (1-2); meanwhile, the outer wall of the distribution port (2) is in a circumference shape and has the function of external connection;

the inner walls of the first chamber (1-1) and the second chamber (1-2) are axially and hermetically provided with pistons (3); the piston (3) extrudes the material when approaching to the dispensing opening (2) along the axis sealing movement in the first chamber (1-1) or the second chamber (1-2);

and the plunger (4) is used for pushing the pair of pistons (3) to move, one end close to the dispensing opening (2) is fixedly or detachably connected with the pistons (3), and one end far away from the dispensing opening (2) extends outwards of the cavity.

2. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the plunger (4) is two pole that match with first cavity (1-1) and second cavity (1-2) inner wall, and the pole is close to the one end middle part of piston (3) and sets up protruding pole and piston (3) matching installation, and the one end that keeps away from piston (3) links as an organic whole structure and forms the handle in order to push and pull in step.

3. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the plunger (4) is a hollow post rod with one closed end and one open end, the closed end is close to the piston (3), one side of the outer wall of the plunger (4) close to the piston (3) is provided with an exhaust hole, and the exhaust hole and the hollow rod are communicated to form an exhaust channel (41).

4. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the outer wall of the plunger (4) is uniformly provided with a convex scale marking ring (8).

5. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the device further comprises a cover (5), wherein the cover (5) is arranged on the dispensing opening (2) in a covering way to seal the dispensing opening.

6. The dual chamber material storage and dispensing apparatus as defined in claim 5 wherein: the device also comprises a sealing plug (5-1), wherein the sealing plug (5-1) is positioned between the sealing cover (5) and the dispensing opening (2), and the sealing is enhanced to prevent the materials respectively discharged from the dispensing opening (2) from being mixed by clamping.

7. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the device also comprises a static mixer (6) which is detachably arranged at one end of the device far away from the piston (3).

8. The dual chamber material storage and dispensing apparatus according to claim 5 or 7, wherein: a connecting part (7) is arranged between the sealing cover (5) or the static mixer (6) and the dispensing opening (2) for detachable connection; the connecting part (7) is divided into a first connection (7-1) and a second connection (7-2), the first connection (7-1) is arranged at the periphery of the distribution port (2) and is integrated with the device, and the second connection (7-2) is integrated with the sealing cover (5) or the static mixer (6); the first connection (7-1) and the second connection (7-2) are clamped with each other through rotation to form external fixation, and the sealing cover (5) or the static mixer (6) is clamped with the outer wall of the distribution port (2) to form internal fixation.

9. The dual chamber material storage and dispensing apparatus as set forth in claim 8 wherein: the first connection (7-1) comprises two connection blocks (710) which are distributed in a central symmetry way by the central point of the distribution port (2), two limit posts (711) which are arranged on the periphery of the distribution port (2) and limit channels (712) which are arranged in the connection blocks (710); the second connection (7-2) comprises two mounting blocks (720) protruding outwards from the outer wall of the sealing cover (5) or the static mixer (6) and two limiting edges (721) protruding inwards from the inner wall of the sealing cover (5) or the static mixer (6), and limiting parts (722) capable of entering the limiting channels (712) are fixed outside the connecting blocks (710) along the circumferential direction; when the first connection (7-1) and the second connection (7-2) are connected, the limiting part (722) enters the limiting channel (712) until the limiting column (711) enters between two adjacent limiting ribs (721) to complete locking through rotation along the circumferential direction.

10. The dual chamber material storage and dispensing apparatus as set forth in claim 1 wherein: the middle part of the distribution opening (2) is provided with a baffle plate which is fixedly connected with a dividing line arranged between the first chamber (1-1) and the second chamber (1-2).

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