CN112168695A

CN112168695A - Opening device for soft liquid bag hose

Info

Publication number: CN112168695A
Application number: CN202011171764.9A
Authority: CN
Inventors: 连小龙; 严强; 邱晓轩; 吴文卿
Original assignee: Sichuan Jizhi Langrun Technology Co ltd
Current assignee: Sichuan Jizhi Langrun Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-05
Anticipated expiration: 2040-10-28
Also published as: CN112168695B

Abstract

The invention discloses an opening device of a soft liquid bag hose, which belongs to the technical field of soft liquid bag filling and comprises a support, a fixed element, a movable element, an opening contact pin and an executing element, wherein the fixed element is fixedly arranged on the support, the movable element is connected with the fixed element in a sliding manner, the second end of the movable element is connected with the support through an elastic element, a window for lifting the executing element is further arranged on the movable element, a limiting block for controlling the lifting stroke of the executing element is arranged on the support, the opening contact pin is arranged below the fixed element and the movable element in a sliding manner, and the central axis of the opening contact pin is coincided with the central axis of a circular channel. The opening of the hose is opened by controlling the opening and closing of the two components of the opening contact pin through the actuating element, so that the filling requirement is met, the operation is simple and convenient, and the structural stability is strong.

Description

Opening device for soft liquid bag hose

Technical Field

The invention relates to the technical field of soft liquid bag filling, in particular to an opening device for a soft liquid bag hose.

Background

In the fields of medical industry, food industry, etc., it is often encountered to fill liquids into fixed containers for convenient transportation, processing and later use. Because containers filled in different use environments are different, some containers are filled by using flexible pipe liquid bags with small openings, so that a lot of requirements are provided for the filling capacity of filling equipment, the filling of the flexible pipe liquid bags with small openings is basically performed manually at present, and some places or even the whole production line are performed manually, so that the requirements on the number of personnel and skills are high, and the long-term development of enterprises is greatly limited. Therefore, in order to improve the production efficiency and reduce the production cost, the whole production line needs to be automatically modified so as to meet the process requirements and the industry specifications of products.

However, the current production process needs to align and fill quickly, but friction debris cannot be generated in the filling process, so when the small-opening hose is filled, the size requirement on the filling head is high, and in order to meet the requirement of high-speed alignment and filling, an opening mechanism of a small telescopic hose needs to be designed.

Disclosure of Invention

The invention aims to provide an opening device of a soft liquid bag hose, which can realize the opening of the hose to be opened by controlling the opening and closing of two components of an opening contact pin so as to meet the filling requirement and solve the technical problems mentioned in the background technology.

The purpose of the invention is realized by the following technical scheme:

an opening device of a soft liquid bag hose comprises a support, a fixed element, a movable element, an opening contact pin and an actuating element, wherein the fixed element is fixedly arranged on the support, the fixed element comprises a frame body and a boss arranged on the frame body, a first arc-shaped groove is arranged on the boss, the movable element is in sliding connection with the frame body, a second arc-shaped groove is arranged at the first end of the movable element, the first arc-shaped groove and the second arc-shaped groove are matched with each other to form a circular channel, the second end of the movable element is connected with the support through an elastic element, a window for lifting the actuating element is further arranged on the movable element, a limit block for controlling the lifting stroke of the actuating element is arranged on the support, the opening contact pin is slidably arranged below the fixed element and the movable element, and the central axis of the opening contact pin is coincided with the central axis of the circular channel.

When the actuating element is lifted in the window, the actuating element can drive the movable element to slide in the frame body of the fixed element, the movable element and the fixed element can be close to or far away from each other, and when the movable element is far away from the fixed element, the component parts of the opening contact pin are separated from each other, so that the opening of the soft liquid bag hose can be opened, and the functional requirement after the soft liquid bag hose is opened is met.

Furthermore, a sliding block is arranged on the side wall of the movable element, and a sliding groove matched with the sliding block is arranged on the inner wall of the frame body.

The beneficial effects of the preferred embodiment are as follows: the sliding connection mode of the movable element and the fixed element adopts the mode of matching the sliding block and the sliding groove, so that the operation is easy and the cost is low.

Furthermore, the inner wall of the window is provided with a rotating shaft, the rotating shaft is sleeved with a plurality of rollers, and the rotating shaft is located at one end, far away from the second arc-shaped groove, in the window.

The beneficial effects of the preferred embodiment are as follows: when the actuating element descends in the window, the actuating element is in close contact with the roller, an acting force is applied to the roller, the movable element is pushed to slide towards the direction of the bracket along the frame body, and the two components of the open contact pin are separated.

Further, the elastic element is a spring, a first end of the spring is connected with a second end of the movable element, and a second end of the spring is connected with the bracket.

The beneficial effects of the preferred embodiment are as follows: the spring is used for changing the compression state into the reset state when the actuator is gradually restored to the ascending state from the descending state, and applying a force to the movable element in the direction of the first arc-shaped groove so as to close the movable element and the fixed element.

Further, the open contact pin comprises a first contact pin piece and a second contact pin piece, and the first contact pin piece is mounted on the bottom wall of the frame body and is positioned below the first arc-shaped groove;

the second pin inserting piece is arranged on the bottom wall of the movable element and is positioned below the second arc-shaped groove;

the first pin piece and the second pin piece form a pin barrel when being closed, and the outer diameter of the pin barrel is smaller than the inner diameter of the hose.

The beneficial effects of the preferred embodiment are as follows: the first and second pin members are mounted in such a manner that they move synchronously with the relative movement of the movable member and the fixed member.

Further, the second pin member is mounted on the bottom wall of the movable element through the first fixing seat.

The beneficial effects of the preferred embodiment are as follows: the first fixing seat and the bottom wall of the movable element can be detachably mounted in a screw mode, and parts are convenient to maintain and replace.

Furthermore, a second fixing seat is connected to the first fixing seat, an insertion pipe guide groove is formed in the second fixing seat, the insertion pipe guide groove is a semi-cylindrical guide groove, and the inner radius of the semi-cylindrical guide groove is larger than the outer radius of the hose.

The beneficial effects of the preferred embodiment are as follows: the outer wall of one side of hose is located between second needle inserting piece and the intubate guide slot, and certain clamping action to the hose can be played in intubate guide slot cooperation second needle inserting piece, prevents that the soft liquid bag from dropping.

Further, the central axes of the cannula guide groove, the needle inserting cylinder and the circular channel are overlapped.

The beneficial effects of the preferred embodiment are as follows: the central axes of the cannula guide groove, the insertion pin cylinder and the circular channel are coincident, namely, the cannula guide groove, the insertion pin cylinder and the circular channel are concentrically arranged, so that the alignment and the positioning of the opening insertion pin and the hose can be accurately realized.

Further, the executing element comprises a horizontal part and a vertical part, the horizontal part and the vertical part are integrally formed to form an L-shaped executing rod, the vertical part rises and falls along the window, and the horizontal part stretches over the limiting block.

The beneficial effects of the preferred embodiment are as follows: when the vertical part of the actuating element descends to a certain distance in the window, the horizontal part is blocked by the limiting block so as to limit the descending stroke of the vertical part and play a role in controlling the opening size of the hose.

The invention has the beneficial effects that:

the invention has the advantages of simple structure, low manufacturing cost, convenient use and stable and reliable mechanism, controls the compression amount of the spring to guide the fixed element and the movable element to move in opposite directions or in a deviating way by the contact and separation of the actuating element and the roller, further drives the first pin piece and the second pin piece on the bottom walls of the fixed element and the movable element to be installed to open and close, and finally can open the opening of the tiny telescopic transfusion bag hose to meet the functional requirement after the transfusion soft bag hose is opened.

Drawings

FIG. 1 is a schematic view of the structure of the opening device and the hose of the soft liquid bag according to the present invention;

FIG. 2 is a schematic view showing the overall structure of the opening device of the flexible tube for a soft fluid bag according to the present invention;

FIG. 3 is a schematic structural view of a fixing member according to the present invention;

FIG. 4 is a schematic view of the movable element of the present invention;

FIG. 5 is a schematic view of the installation structure of the split pin according to the present invention;

FIG. 6 is a schematic view of the cannula guide and second needle assembly of the present invention;

in the figure, 1-bracket, 2-fixed element, 201-frame body, 202-boss, 203-first arc-shaped groove, 204-sliding groove, 3-movable element, 301-second arc-shaped groove, 302-sliding block, 4-opening contact pin, 401-first contact pin piece, 402-second contact pin piece, 5-executing element, 501-horizontal part, 502-vertical part, 6-circular channel, 7-elastic element, 8-window, 9-limiting block, 10-rotating shaft, 11-roller, 12-first fixed seat, 13-second fixed seat, 14-inserting tube guide groove, 15-hose and 16-soft liquid bag.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides a technical solution:

referring to fig. 1-3, an opening device for a soft fluid bag hose includes a bracket 1, a fixed element 2, a movable element 3, an opening insertion pin 4 and an actuator 5, wherein the fixed element 2 is fixedly mounted on the bracket 1, the fixed element 2 includes a frame body 201 and a boss 202 disposed on the frame body 201, the boss 202 is provided with a first arc-shaped groove 203, the movable element 3 is slidably connected to the frame body 201, a first end of the movable element 3 is provided with a second arc-shaped groove 301, the first arc-shaped groove 203 and the second arc-shaped groove 301 are matched with each other to form a circular channel 6, a second end of the movable element 3 is connected to the bracket 1 through an elastic element 7, the movable element 3 is further provided with a window 8 for lifting the actuator 5, the bracket 1 is provided with a limit block 9 for controlling a lifting stroke of the actuator 5, the opening pin 4 is slidably mounted below the fixed element 2 and the movable element 3, and the central axis of the opening pin 4 is coincident with the central axis of the circular channel 6.

The first arc-shaped groove 203 and the second arc-shaped groove 301 are matched with each other to form a circular channel 6 for an external filling assembly to pass through, so as to fill the opening of the hose 15 with liquid.

According to the opening device of the soft liquid bag hose, when the actuating element 5 is lifted in the window 8, the actuating element 5 can drive the movable element 3 to slide in the frame body 201 of the fixed element 2, the movable element 3 and the fixed element 2 can be close to or far away from each other, and when the movable element 3 is far away from the fixed element 2, the component parts of the opening contact pin 4 are separated from each other, so that the opening of the soft liquid bag hose 15 can be opened, and the functional requirement after the opening of the soft liquid bag hose 15 is met.

Referring to fig. 2-3, a sliding block 302 is disposed on a side wall of the movable element 3, and a sliding groove 204 engaged with the sliding block 302 is disposed on an inner wall of the frame body 201.

The sliding connection mode of the movable element 3 and the fixed element 2 adopts the mode of matching the sliding block 302 and the sliding groove 204, so the operation is easy and the cost is low.

Referring to fig. 4, a rotating shaft 10 is disposed on an inner wall of the window 8, a plurality of rollers 11 are sleeved on the rotating shaft 10, and the rotating shaft 10 is located at an end of the window 8 far from the second arc-shaped groove 301.

According to the invention, a rotating shaft 10 is arranged at one end, far away from the second arc-shaped groove 301, in the window 8, a plurality of rollers 11 are sleeved on the rotating shaft 10, the actuating element 5 is tightly contacted with the rollers 11 when descending in the window 8, an acting force is applied to the rollers 11, the movable element 3 is pushed to slide along the direction of the frame body 201 to the bracket 1, and the two components of the open contact pin 4 are separated accordingly.

Referring to fig. 3, the elastic element 7 is a spring, a first end of the spring is connected to a second end of the movable element 3, and the second end of the spring is connected to the bracket 1.

The elastic element 7 of the present invention is preferably a spring, and the function of the spring is that when the actuator 5 is gradually restored from the descending state to the ascending state, the spring is changed from the compressed state to the reset state, and a force is applied to the movable element 3 in the direction of the first arc-shaped groove 203, so that the movable element 3 and the fixed element 2 are closed again.

Referring to fig. 5 to 6, the open pin 4 includes a first pin 401 and a second pin 402, the first pin 401 is mounted on the bottom wall of the frame body 201 and is located below the first arc-shaped groove 203;

the second pin piece 402 is mounted on the bottom wall of the movable element 3 and is located below the second arc-shaped groove 301;

the first and

second pin elements

401, 402 form a pin cylinder when closed, the outer diameter of which is smaller than the inner diameter of the hose 15.

The open pin 4 of the present invention is composed of two parts of a first pin member 401 and a second pin member 402, which are mounted on the bottom wall of the frame body 201 and the bottom wall of the movable member 3, respectively, so as to be capable of moving synchronously with the relative movement of the movable member 3 and the fixed member 2.

Referring to fig. 5 to 6, the second pin member 402 is mounted on the bottom wall of the movable element 3 through the first fixing seat 12.

The second pin piece 402 is installed on the bottom wall of the movable element 3 through the first fixed seat 12, and the first fixed seat 12 and the bottom wall of the movable element 3 can be detachably installed in a screw mode, so that maintenance and part replacement are facilitated.

Referring to fig. 6, a second fixing seat 13 is connected to the first fixing seat 12, an insertion tube guide slot 14 is formed in the second fixing seat 13, the insertion tube guide slot 14 is a semi-cylindrical guide slot, and an inner radius of the semi-cylindrical guide slot is greater than an outer radius of the hose 15.

The cannula guide 14 of the present invention is installed on the first fixing seat 12 through the second fixing seat 13, and the inner radius of the cannula guide 14 is larger than the outer radius of the hose 15, and the outer diameter of the insertion pin cylinder is smaller than the inner diameter of the hose 15, so the outer wall of the hose 15 is placed between the insertion pin cylinder and the cannula guide 14.

When the first needle inserting piece 401 and the second needle inserting piece 402 are far away from each other and in a separated state, because the first needle inserting piece 401 and the second needle inserting piece 402 are both located in the hose 15, the outer wall of one side of the hose 15 is located between the second needle inserting piece 402 and the cannula guide groove 14, and the cannula guide groove 14 is matched with the second needle inserting piece 402 to play a certain clamping role on the hose 15, so that the soft liquid bag 16 is prevented from falling off.

Referring to fig. 5, the central axes of the cannula guide 14, the insertion needle cylinder and the circular channel 6 are coincident.

The central axes of the cannula guide 14, the cannula cylinder and the circular channel 6 of the present invention coincide, i.e. they are concentrically arranged, which is advantageous for accurately positioning the open cannula 4 and the hose 15.

Referring to fig. 1, the actuating element 5 includes a horizontal portion 501 and a vertical portion 502, the horizontal portion 501 and the vertical portion 502 are integrally formed to form an L-shaped actuating rod, the vertical portion 502 is lifted along the window 8, and the horizontal portion 501 spans over the stopper 9.

When the vertical part 502 of the actuating element 5 descends to a certain distance in the window 8, the horizontal part 501 is blocked by the limiting block 9, so that the descending stroke of the vertical part 502 is limited, and the function of controlling the opening degree of the hose 15 can be achieved.

Preferably, the vertical portion 502 of the actuator 5 is further provided with a concave limiting region, and when the vertical portion 502 of the actuator 5 descends to the threshold region of the descending stroke, the limiting region is in contact with the roller 11. In other words, the amount of tube expansion is related to the design of the profile of the vertical portion 502.

The two working states of the opening device of the soft liquid bag hose of the invention are as follows:

when the actuator 5 is inserted into the window 8: when the vertical part 502 of the actuator 5 is inserted into the window 8 to descend under the action of external force, the vertical part 502 is in close contact with the roller 11, an acting force which is extruded towards the spring direction is applied to the roller 11, the movable element 3 is pushed to be away from the fixed element 2, the second pin piece 402 is away from the first pin piece 401, and the opening pin 4 is in an open state, so that the opening of the hose 15 is opened.

When the actuator 5 is not inserted into the window 8: to reverse the above process, when the external force is withdrawn, the vertical portion 502 of the actuator 5 rises in the window 8, the spring return applies a spring force to the movable element 3 in the direction of the fixed element 2, pushing the movable element 3 close to the fixed element 2, the second pin member 402 close to the first pin member 401, and the open pin 4 is in the closed state.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An opening device of a soft liquid bag hose is characterized in that: comprises a bracket (1), a fixed element (2), a movable element (3), an opening pin (4) and an executive component (5), wherein the fixed element (2) is fixedly arranged on the bracket (1), the fixed element (2) comprises a frame body (201) and a boss (202) arranged on the frame body (201), a first arc-shaped groove (203) is arranged on the boss (202), the movable element (3) is in sliding connection with the frame body (201), a second arc-shaped groove (301) is arranged at the first end of the movable element (3), the first arc-shaped groove (203) and the second arc-shaped groove (301) are mutually matched to form a circular channel (6), the second end of the movable element (3) is connected with the bracket (1) through an elastic element (7), and a window (8) for the executive component (5) to go up and down is further arranged on the movable element (3), install on support (1) and be used for control execute component (5) lift stroke stopper (9), opening contact pin (4) slidable mounting in the below of fixed component (2) and movable element (3), just the central axis of opening contact pin (4) with the central axis coincidence of circular passageway (6).

2. The opening device of a flexible liquid bag hose according to claim 1, wherein: the side wall of the movable element (3) is provided with a sliding block (302), and the inner wall of the frame body (201) is provided with a sliding groove (204) matched with the sliding block (302).

3. The opening device of a flexible liquid bag hose according to claim 1, wherein: the inner wall of the window (8) is provided with a rotating shaft (10), the rotating shaft (10) is sleeved with a plurality of rollers (11), and the rotating shaft (10) is located at one end, far away from the second arc-shaped groove (301), in the window (8).

4. The opening device of a flexible liquid bag hose according to claim 3, wherein: the elastic element (7) is a spring, a first end of the spring is connected with a second end of the movable element (3), and the second end of the spring is connected with the bracket (1).

5. The opening device of a flexible liquid bag hose according to claim 1, wherein: the open contact pin (4) comprises a first contact pin piece (401) and a second contact pin piece (402), and the first contact pin piece (401) is installed on the bottom wall of the frame body (201) and is positioned below the first arc-shaped groove (203);

the second pin piece (402) is arranged on the bottom wall of the movable element (3) and is positioned below the second arc-shaped groove (301);

the first pin piece (401) and the second pin piece (402) form a pin barrel when closed, and the outer diameter of the pin barrel is smaller than the inner diameter of the hose (15).

6. The opening device of a flexible liquid bag hose according to claim 5, wherein: the second pin piece (402) is mounted on the bottom wall of the movable element (3) through a first fixed seat (12).

7. The opening device of a flexible liquid bag hose according to claim 6, wherein: be connected with second fixing base (13) on first fixing base (12), be equipped with intubate guide slot (14) on second fixing base (13), intubate guide slot (14) are the semi-cylindrical guide slot, the inner radius of semi-cylindrical guide slot is greater than the outer radius of hose (15).

8. The opening device of a flexible liquid bag hose according to claim 7, wherein: the central axes of the cannula guide groove (14), the needle inserting cylinder and the circular channel (6) are overlapped.

9. The opening device of a flexible liquid bag hose according to claim 1, wherein: the executing element (5) comprises a horizontal part (501) and a vertical part (502), the horizontal part (501) and the vertical part (502) are integrally formed to form an L-shaped executing rod, the vertical part (502) rises and falls along the window (8), and the horizontal part (501) stretches across the upper part of the limiting block (9).