Liquid backflow prevention structure
By installing a check valve and a pipeline switch on the filling equipment, combined with a second pipeline positioned at a high level, the problem of liquid backflow when the filling equipment is shut down is solved, thereby achieving stability in filling quality and reducing maintenance costs.
Patent Information
- Application Number
- CN202520609192.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-04-01
AI Technical Summary
When existing filling equipment is shut down, the liquid in the inlet pipe is prone to backflow, which leads to unstable air bubble gaps and filling quality, increasing production costs.
It adopts a combination structure of one-way valve and pipeline switch, and the second section of pipeline is set above the filling equipment to ensure one-way flow of liquid, and the clamp connection enables convenient disassembly and sealing.
It effectively prevents liquid backflow, ensures filling quality, reduces maintenance costs, and improves the orderliness and safety of pipeline installation.
Smart Images
Figure CN223782674U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to health product production equipment technical field especially a liquid backflow prevention structure. BACKGROUND
[0002] Health product is the colloquialism of health food. The health food is defined as " health (function) food is a kind of food, has the commonality of general food, can adjust the function of human body, is applicable to the eating of specific population, but not for the purpose of treating diseases " in article 3.1 of GB16740-97 " health (function) food general standard ".
[0003] Health product in the production process, one of the processes is filling, mainly fills liquid into liquid bottle;In the prior art, each filling equipment is connected with liquid inlet pipe, when multiple equipment works in parallel, multiple liquid inlet pipes connected are connected through tee joint, cross joint or five-way joint, and then connected with liquid inlet main pipe, but the pipe connection mode, since the liquid inlet main pipe is generally installed at low place (multiple liquid inlet pipes need to be connected from the equipment downward), and when the filling equipment stops working, liquid in each liquid inlet pipe will appear liquid backflow (since the suction effect is lost), resulting in air bubble gap in the liquid inlet pipe (or the liquid remaining in the liquid inlet pipe is discharged before each work and then filled, but this will greatly waste liquid raw materials and increase production cost), when liquid is transported again, the product internal material body is unstable, which greatly affects the filling quality;Based on this, a liquid backflow prevention structure is provided. UTILITARIAN CONTENT
[0004] In view of the defects of the prior art, the utility model provides a liquid backflow prevention structure, which can effectively prevent the liquid in the liquid inlet pipe from backflowing due to shutdown, thereby ensuring the filling quality.
[0005] The technical scheme of the utility model is as follows:
[0006] A liquid backflow prevention structure, comprising at least one filling equipment, a liquid delivery pipeline, an input pipe and a liquid inlet pipe, wherein the top of the filling equipment is provided with the liquid delivery pipeline, the liquid inlet end of the liquid delivery pipeline is connected with the input pipe, and the liquid outlet end of the liquid delivery pipeline is connected with the liquid inlet pipe;The liquid delivery pipeline is respectively provided with a one-way valve and a pipeline switch.
[0007] Further, the number of filling equipment is three, and the top of each filling equipment is fixedly provided with a supporting column, and the other end of each supporting column is fixedly connected with the liquid delivery pipeline.
[0008] Further, the infusion pipeline comprises a first pipeline, an elbow pipeline and a second pipeline, the first pipeline is vertically arranged, the second pipeline is horizontally arranged and is arranged above the filling device, the one-way valve is connected between the first pipeline and the elbow pipeline or between the elbow pipeline and the second pipeline, and the pipeline switch is connected between the elbow pipeline and the second pipeline or between the first pipeline and the elbow pipeline.
[0009] Further, the two ends of the one-way valve are connected with the first pipeline and the elbow pipeline respectively through first clamps.
[0010] Further, the two ends of the pipeline switch are connected with the elbow pipeline and the second pipeline respectively through second clamps.
[0011] Further, the distance between the second pipeline and the ground is 1.8-2.2 meters.
[0012] Further, the liquid inlet pipe is connected to the second pipeline, the second pipeline is integrally formed with a pipeline joint, the pipeline joint is connected with a liquid inlet pipe joint through a third clamp, the liquid inlet pipe is sleeved on the liquid inlet pipe joint, and a fourth clamp is arranged between the liquid inlet pipe joint and the liquid inlet pipe.
[0013] Further, the liquid inlet pipe is a hose, and the other end of the liquid inlet pipe is connected to a liquid inlet end of a filling pipe in the filling device.
[0014] Further, the input pipe is connected to the first pipeline through a fifth clamp.
[0015] Further, sealing rubber rings are arranged between the input pipe and the first pipeline, between the first pipeline and the one-way valve, between the one-way valve and the elbow pipeline, between the elbow pipeline and the pipeline switch, between the pipeline switch and the second pipeline, and between the pipeline joint and the liquid inlet pipe joint.
[0016] The utility model discloses beneficial effects are:
[0017] (1) the utility model discloses a one-way valve and pipeline switch are equipped with, and the second pipeline is arranged above the filling device, when the filling device stops, under the action of one-way valve, the liquid in the liquid inlet pipe can be effectively prevented from flowing back, and, the second pipeline is arranged at a high position, can further prevent the liquid in the liquid inlet pipe from flowing back, simultaneously, the pipeline switch can also be closed after stopping, realizes the double liquid of one-way valve and pipeline switch Prevents the structure of backflowing of liquid,
[0018] (2) By being equipped with the first hoop, the second hoop, the third hoop, the fourth hoop and the fifth hoop, the input pipe, the liquid inlet pipe, the first section pipe, the elbow pipe, the second section pipe, the one-way valve and the pipe switch can be disassembled, thereby greatly reducing the maintenance cost;
[0019] (3) One second section pipe can be connected with multiple liquid inlet pipes, and the other end of each liquid inlet pipe is connected with the liquid inlet end of the filling pipe in the corresponding filling equipment, so that the multiple liquid inlet pipes will not form a messy arrangement on the ground, will not trip the staff, and also makes the pipes orderly installed and connected, greatly improves the use effect of the structure. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the structural schematic diagram of the utility model;
[0021] Figure 2 It is the structural schematic diagram of the utility model Figure 1 ;
[0022] Figure 3 It is the structural schematic diagram of the utility model Figure 1 ;
[0023] Figure 4 It is the structural schematic diagram of the utility model Figure 1 .
[0024] In the drawing, 1, filling equipment; 2, liquid conveying pipe; 3, input pipe; 4, liquid inlet pipe; 5, one-way valve; 6, pipe switch; 7, support column; 8, first section pipe; 9, elbow pipe; 10, second section pipe; 11, first hoop; 12, second hoop; 13, pipe joint; 14, third hoop; 15, liquid inlet pipe joint; 16, fifth hoop. DETAILED DESCRIPTION
[0025] The specific implementation of the utility model will be further described below in combination with the drawings:
[0026] As Figures 1-4 shown,
[0027] The utility model provides a liquid anti -backflow structure, including at least one filling equipment 1, liquid delivery pipeline 2, input pipe 3 and liquid inlet pipe 4, the utility model relates to a liquid anti -backflow structure, and it is not related to the specific structure of filling equipment 1, so the utility model will not repeat the filling equipment 1, the top of filling equipment 1 is provided with liquid delivery pipeline 2, the liquid inlet end of liquid delivery pipeline 2 is connected with input pipe 3, and the liquid outlet end of liquid delivery pipeline 2 is connected with liquid inlet pipe 4, one-way valve 5 and pipeline switch 6 are arranged on liquid delivery pipeline 2 respectively (one-way valve 5 and pipeline switch 6 are prior art, and the utility model will not repeat the description), in the embodiment, under the action of one-way valve 5, even if filling equipment 1 is in shutdown, liquid inlet pipe 4 liquid backflow situation will not appear, effectively ensure the fullness of liquid in liquid inlet pipe 4, to ensure the filling quality behind, secondly increase pipeline switch 6, realize the double liquid anti -backflow effect of one-way valve 5 and pipeline switch 6.
[0028] As a preferred implementation, the number of filling equipment 1 is three, the top of filling equipment 1 is fixedly installed with support column 7, and the other end of the three support columns 7 is fixedly connected with liquid delivery pipeline 2. By providing the support column 7, the second pipeline 10 of the liquid delivery pipeline 2 is arranged higher than the filling equipment 1, and the high-position connection liquid inlet pipe 4 is realized.
[0029] As a preferred implementation, the liquid delivery pipeline 2 includes a first pipeline 8, an elbow pipeline 9 and a second pipeline 10, the first pipeline 8 is vertically arranged, the second pipeline 10 is horizontally arranged and arranged above the filling equipment 1, the one-way valve 5 is connected between the first pipeline 8 and the elbow pipeline 9 / connected between the elbow pipeline 9 and the second pipeline 10, and the pipeline switch 6 is connected between the elbow pipeline 9 and the second pipeline 10 / connected between the first pipeline 8 and the elbow pipeline 9. By dividing the liquid delivery pipeline 2 into the first pipeline 8, the elbow pipeline 9 and the second pipeline 10, it is convenient to disassemble, reduce the maintenance cost, and it is convenient to install the one-way valve 5 and the pipeline switch 6, and the first pipeline 8 is vertically arranged, and the second pipeline 10 is horizontally arranged.
[0030] As a preferred implementation, the two ends of the one-way valve 5 are connected with the first pipeline 8 and the elbow pipeline 9 respectively through the first clamp 11. The purpose of the design is to facilitate the disassembly of the one-way valve 5.
[0031] As a preferred implementation, the two ends of the pipeline switch 6 are connected with the elbow pipeline 9 and the second pipeline 10 respectively through the second clamp 12. The purpose of the design is to facilitate the disassembly of the pipeline switch 6.
[0032] As a preferred implementation; the distance between the second section of pipeline 10 and the ground is 2.0 meters. It can be understood that when the distance between the second section of pipeline 10 and the ground is 2.0 meters, the passage between adjacent filling devices 1 is not easy to knock the staff, thereby improving the use effect of the structure.
[0033] As a preferred implementation; the liquid inlet pipe 4 is connected to the second section of pipeline 10, the second section of pipeline 10 is integrally formed with a pipeline joint 13, the pipeline joint 13 is connected with a liquid inlet pipe joint 15 through a third clamp 14, the liquid inlet pipe 4 is sleeved on the liquid inlet pipe joint 15, and a fourth clamp (not shown in the figure) is installed between the liquid inlet pipe joint 15 and the liquid inlet pipe 4. It can be understood that the liquid inlet pipe joint 15 is convenient to disassemble through the third clamp 14, and the liquid inlet pipe 4 is convenient to disassemble through the fourth clamp.
[0034] As a preferred implementation; the liquid inlet pipe 4 adopts a hose, and the other end of the liquid inlet pipe 4 is connected to the liquid inlet end of the filling pipe inside the filling device 1. By adopting the hose, it is convenient to extend and connect with the filling device 1.
[0035] As a preferred implementation; the input pipe 3 is connected with the first section of pipeline 8 through a fifth clamp 16. By providing the fifth clamp 16, the input pipe 3 and the first section of pipeline 8 are convenient to disassemble.
[0036] As a preferred implementation; sealing rubber rings are installed between the input pipe 3 and the first section of pipeline 8, between the first section of pipeline 8 and the one-way valve 5, between the one-way valve 5 and the elbow pipeline 9, between the elbow pipeline 9 and the pipeline switch 6, between the pipeline switch 6 and the second section of pipeline 10, and between the pipeline joint 13 and the liquid inlet pipe joint 15. It can be understood that the sealing rubber rings are installed at the connecting positions of the pipes, which can effectively prevent liquid from overflowing, have good sealing effect, and thus ensure smooth liquid inlet.
[0037] In the utility model, the liquid inlet end of the input pipe 3 can be connected in the liquid tank, under the action of the liquid pump, the liquid enters the first section of pipeline 8 through the input pipe 3, and then sequentially flows through the one-way valve 5, the elbow pipeline 9, the pipeline switch 6 and the second section of pipeline 10, and finally enters the liquid inlet end of the filling pipe inside the filling device 1 through the liquid inlet pipe 4, so that the filling operation of the filling device 1 is realized.
[0038] It should be noted that the main problem existing in the prior art is that: the conventional pipeline connection mode, since the liquid inlet main pipe is generally installed at a low position (a plurality of liquid inlet pipes need to be connected downward from the equipment), and when the filling device is stopped, the liquid in each liquid inlet pipe will appear liquid backflow (because the suction effect is lost), which causes air bubble gaps in the liquid inlet pipe, and when the liquid is pumped again, the product internal material body is unstable, which greatly affects the filling quality;
[0039] Therefore, through the improvement of the present application, by being provided with the one-way valve 5 and the pipeline switch 6, and the second section pipeline 10 being arranged above the filling device 1, when the filling device 1 is stopped, due to the effect of the one-way valve 5, the liquid inside the liquid inlet pipe 4 can be effectively prevented from flowing back, furthermore, the second section pipeline 10 is arranged high, which can further prevent the liquid inside the liquid inlet pipe 4 from flowing back, at the same time, the pipeline switch 6 can also be closed after stopping, realizing the double liquid backflow prevention structure of the one-way valve 5 and the pipeline switch 6.
[0040] The above embodiments only describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements of the technical solutions of the present application made by the ordinary engineering technicians in the art without departing from the design spirit of the present application shall fall within the protection scope determined by the claims of the present application.
Claims
1. A liquid anti-backflow structure characterized in that: It comprises at least one filling device, a liquid conveying pipeline, an input pipe and a liquid inlet pipe; the filling device is provided with a liquid conveying pipeline above, the liquid conveying pipeline is connected with an input pipe at the liquid inlet end, and the liquid conveying pipeline is connected with a liquid inlet pipe at the liquid outlet end; the liquid conveying pipeline is respectively provided with a one-way valve and a pipeline switch.
2. The liquid anti-backflow structure according to claim 1, characterized in that: The number of filling devices is three, and the top of each filling device is fixedly installed with a supporting column, and the other end of each of the three supporting columns is fixedly connected with a liquid conveying pipeline.
3. The liquid anti-backflow structure according to claim 2, characterized in that: The liquid conveying pipeline comprises a first pipeline, an elbow pipeline and a second pipeline, the first pipeline is vertically arranged, the second pipeline is horizontally arranged and arranged above the filling device, the one-way valve is connected between the first pipeline and the elbow pipeline / connected between the elbow pipeline and the second pipeline, and the pipeline switch is connected between the elbow pipeline and the second pipeline / connected between the first pipeline and the elbow pipeline.
4. The liquid anti-backflow structure according to claim 3, characterized in that: Both ends of the one-way valve are connected with the first pipeline and the elbow pipeline respectively through the first clamp.
5. A liquid anti-backflow structure according to claim 4, characterized in that: Both ends of the pipeline switch are connected with the elbow pipeline and the second pipeline respectively through the second clamp.
6. A liquid anti-backflow structure according to claim 5, characterized in that: The distance between the second pipeline and the ground is 1.8-2.2 meters.
7. A liquid anti-backflow structure according to claim 6, characterized in that: The liquid inlet pipe is connected to the second pipeline, the second pipeline is integrally formed with a pipeline joint, the pipeline joint is connected with a liquid inlet pipe joint through a third clamp, the liquid inlet pipe is sleeved on the liquid inlet pipe joint, and a fourth clamp is installed between the liquid inlet pipe joint and the liquid inlet pipe.
8. The liquid anti-backflow structure according to claim 7, characterized in that: The liquid inlet pipe is a hose, and the other end of the liquid inlet pipe is connected to the liquid inlet end of the filling pipe inside the filling device.
9. A liquid anti-backflow structure according to claim 8, characterized in that: The input pipe is connected with the first pipeline through the fifth clamp.
10. The liquid anti-backflow structure according to claim 9, wherein: Sealing rubber rings are installed between the input pipe and the first pipeline, the first pipeline and the one-way valve, the one-way valve and the elbow pipeline, the elbow pipeline and the pipeline switch, the pipeline switch and the second pipeline, and the pipeline joint and the liquid inlet pipe joint.