Rubber tube capable of adjusting discharging amount
By designing an adjustable material output hose structure, the problem of the non-adjustable material output of the grout hose was solved, realizing flexible adjustment and stability of the material output, and improving the ease of operation and the quality of grout sealing.
Patent Information
- Application Number
- CN202520344742.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-01
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-01
AI Technical Summary
The existing grout tubes cannot flexibly adjust the discharge amount according to construction needs, resulting in inconvenience and inaccuracy in operation, which affects the quality of grouting and work efficiency.
A structure including a hose body, piston, push rod, variable diameter orifice seat, flow regulating core, and external adjusting sleeve is designed. By linking the external adjusting sleeve with the movable shaft, the insertion depth of the flow regulating core in the variable diameter orifice seat is adjusted, and the size of the discharge channel is precisely controlled.
It achieves flexible adjustment and stability of material output, improves the ease of operation and the accuracy of grout sealing, and ensures efficient and high-quality completion in different construction scenarios.
Smart Images

Figure CN223888394U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rubber hose technology, specifically to a rubber hose with adjustable discharge rate. Background Technology
[0002] Tile grout is applied to tile gaps through a tube to achieve waterproofing, mildew prevention, and aesthetic appeal. The production of grout tubes typically involves injection molding, followed by demolding, assembly of components, and final quality inspection to ensure compliance with relevant quality standards and usage requirements. Traditional grout tubes have a simple design, usually consisting of a fixed-diameter inner cavity. Users can only control the amount of material dispensed by adjusting the pressure. This method is not precise enough for installers, especially when dealing with gaps of varying widths and depths, making it difficult to guarantee consistent grout finishes.
[0003] There is a problem with existing grout tubes: they cannot effectively adjust the amount of material dispensed as needed. Whether it is for rapid filling of large areas or for meticulous treatment of narrow gaps, the fixed diameter of the tube is difficult to meet different construction requirements. This means that when performing delicate work, excessive material may be wasted due to excessive dispensing, while in cases where a large amount of adhesive coverage is required, insufficient dispensing may affect work efficiency. At the same time, due to the different squeezing force used each time, even the same worker may cause unstable dispensing, which will affect the final grout quality. Utility Model Content
[0004] The purpose of this utility model is to provide a rubber tube with adjustable discharge volume to solve the problems mentioned in the background art, such as the inability to effectively adjust the discharge volume according to construction needs, the inconvenience and inaccuracy of operation caused by relying on changing the extrusion force to control the discharge, and the difficulty in ensuring both work efficiency and grouting quality in different construction situations.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable discharge hose, comprising a hose body, a pushing assembly consisting of a piston and a push rod, and a discharge hose. The lower end of the hose body is provided with a variable diameter orifice seat, and below the variable diameter orifice seat is a flow regulating core. A connector is fixed to the bottom of the flow regulating core. The bottom of the connector is symmetrically provided with movable shafts penetrating both sides of the bottom of the hose body. An external adjusting sleeve is movably fitted around the discharge hose. The outer walls of both sides of the upper end of the external adjusting sleeve are fixedly connected to the outer ends of the movable shafts via connecting blocks. Furthermore, elastic tightening blocks are provided inside both sides of the lower end of the external adjusting sleeve.
[0006] Preferably, the variable diameter orifice seat has a variable diameter overflow hole with a narrow upper part and a wide lower part at its center, and the flow regulating core corresponds to the position of the variable diameter overflow hole at the center of the variable diameter orifice seat.
[0007] Preferably, the top surface of the variable diameter hole seat is provided with a plurality of guide grooves with an inner arc-shaped structure. The guide grooves on the top surface of the variable diameter hole seat are all inclined, and the lower end of each groove faces the variable diameter overflow hole at the center of the variable diameter hole seat.
[0008] Preferably, the inner wall of the lower end of the external adjusting sleeve is symmetrically provided with arc-shaped grooves, and the upper end of the elastic tightening block is movably connected to the inner wall of the arc-shaped groove of the external adjusting sleeve through a pivot pin, and an elastic support member is also provided on the inner wall of the arc-shaped groove of the external adjusting sleeve.
[0009] Preferably, a sealing ring is provided at the connection between the lower end of the hose body and the movable shaft, and the movable shaft is vertically inserted into the sealing ring at the lower end of the hose body.
[0010] Preferably, the flow regulating core has an overall conical structure, and the narrower end of the flow regulating core faces upward.
[0011] Compared with existing technologies, the beneficial effects of this utility model are: the adjustable discharge hose allows users to flexibly adjust the discharge volume according to actual needs without relying on squeezing force, thereby improving the convenience and accuracy of operation, while ensuring efficient and high-quality completion of grout sealing work in different construction situations. This adjustable discharge hose, through the linkage design of the external adjusting sleeve and the movable shaft, combined with the precise cooperation of the flow regulating core and the variable diameter orifice seat, achieves precise control of the discharge channel size. This not only solves the problem of the non-adjustable discharge volume caused by the fixed diameter of traditional hoses, but also ensures the stability and consistency of the discharge. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of a rubber hose structure with adjustable discharge rate according to the present invention;
[0013] Figure 2 This is a schematic diagram of the connection structure between the external adjusting sleeve and the dispensing tube of a rubber tube with adjustable discharge volume according to this utility model.
[0014] Figure 3 This is a schematic diagram of the top structure of the variable diameter orifice seat of a rubber hose with adjustable discharge capacity according to the present invention.
[0015] Figure 4 This is a schematic diagram of the internal structure of the external adjusting sleeve of a rubber hose with adjustable discharge volume according to this utility model.
[0016] In the diagram: 1. Main body of the hose; 2. Pushing assembly; 3. Dispensing hose; 4. Variable diameter port seat; 5. Flow regulating core; 6. Connecting piece; 7. Movable shaft; 8. External adjusting sleeve; 9. Elastic tightening block; 10. Elastic support piece. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-4This utility model provides a technical solution: an adjustable discharge hose, comprising a hose body 1, a feeding assembly 2 consisting of a piston and a push rod, and a discharge hose 3. The upper end of the hose body 1 is provided with a filler tube, and the lower end of the hose body 1 is provided with a variable diameter orifice seat 4. The edge of the variable diameter orifice seat 4 is fixedly connected to the inner wall of the hose body 1. Below the variable diameter orifice seat 4 is a flow regulating core 5. The center of the variable diameter orifice seat 4 is provided with a variable diameter overflow hole with a narrower upper section and a wider lower section. The flow regulating core 5 corresponds to the position of the variable diameter overflow hole at the center of the variable diameter orifice seat 4. A connecting piece 6 is fixed to the bottom of the flow regulating core 5. The bottom of the connecting piece 6 is symmetrically provided with movable shafts 7 penetrating both sides of the bottom of the hose body 1. An external adjusting sleeve 8 is movably fitted onto the outside of the discharge hose 3. Both outer walls of the upper end of sleeve 8 are fixedly connected to the outer end of the movable shaft 7 via connecting blocks. Furthermore, elastic tightening blocks 9 are provided inside both sides of the lower end of the external adjusting sleeve 8. This structure allows the operator to move the external adjusting sleeve 8 up and down, causing the movable shaft 7 to move vertically along both sides of the bottom of the hose body 1. This, in turn, allows adjustment of the depth of the flow regulating core 5 inserted into the variable diameter orifice seat 4 via the connecting piece 6, thereby changing the size of the discharge channel through the variable diameter overflow orifice at the center of the variable diameter orifice seat 4. This achieves precise control of the discharge volume, enabling flexible adjustment of the discharge volume according to actual needs, whether for large-area construction requiring extensive colloid coverage or for filling small gaps requiring precise operation. This solves the problem of difficulty in adjusting the discharge volume due to a fixed diameter in existing technologies, avoiding material waste and... While maintaining low work efficiency, this design ensures stable material output, unaffected by changes in pressure, significantly improving the ease of operation and final quality of the grouting process. The top surface of the variable diameter hole seat 4 is surrounded by several flow channels with arc-shaped inner walls. These channels are all inclined, with the lower end facing the variable diameter overflow hole at the center. When material is pushed into the top of the variable diameter hole seat 4 by the pusher assembly 2 inside the hose body 1, the flow channels at the top guide the material along a predetermined path. The inclined design concentrates the material towards the variable diameter overflow hole at the center, ensuring more even and efficient flow of material into and out of the hose 3, preventing material buildup within the variable diameter hole seat 4. The outer adjusting sleeve 8 has symmetrical arc-shaped grooves on its inner wall at the lower end, and the upper end of the elastic tightening block 9 is movably connected to the inner wall of the arc-shaped groove of the outer adjusting sleeve 8 via a pivot pin. Furthermore, an elastic support member 10 is provided on the inner wall of the arc-shaped groove of the outer adjusting sleeve 8. With this structure, when the operator moves the outer adjusting sleeve 8 up and down, the elastic tightening block 9 can flexibly rotate and adjust its position within the arc-shaped groove via the pivot pin, ensuring a stable and smooth connection between the movable shaft 7 and the outer adjusting sleeve 8. The function of the elastic support member 10 is to provide necessary support and restoring force during the movement of the outer adjusting sleeve 8, allowing the elastic tightening block 9 to maintain its optimal working state in different positions, preventing loosening or excessive tightness. A sealing ring is provided at the connection between the lower end of the hose body 1 and the movable shaft 7.Furthermore, the movable shaft 7 is vertically inserted into the sealing ring at the lower end of the hose body 1. This structure effectively prevents material leakage from the gap between the movable shaft 7 and the hose body 1 when the operator moves the movable shaft 7 up and down using the external adjusting sleeve 8, ensuring that the material can only flow through the predetermined path. The flow regulating core 5 has an overall conical structure, with its narrower end facing upwards. This structure allows the size of the discharge channel to be precisely varied according to the insertion depth, improving the smoothness and uniformity of material flow.
[0019] Working principle: When using this adjustable discharge hose, material is first filled into the hose body 1 through the filler tube. Then, the operator pushes the piston and push rod through the pusher assembly 2 to push the material towards the variable diameter orifice seat 4. When the material enters the top of the variable diameter orifice seat 4, it flows along several arc-shaped guide channels on the top surface of the variable diameter orifice seat 4. These guide channels are used to concentrate and guide the material to the variable diameter overflow hole at the center of the variable diameter orifice seat 4. At this time, the operator moves the external adjusting sleeve 8 up and down according to actual needs, driving the movable shaft 7 along the bottom of the hose body 1. The vertical movement on both sides adjusts the depth of the flow regulating core 5 inserted into the variable diameter hole seat 4 through the connector 6, thereby changing the size of the discharge channel through the variable diameter overflow hole at the center of the variable diameter hole seat 4. At the same time, during the adjustment process of the external adjusting sleeve 8, the elastic tightening block 9 rotates flexibly and adjusts its position in the arc groove of the external adjusting sleeve 8 through the pivot pin, while the elastic support 10 provides the necessary support and restoring force, so that the entire structure maintains the best working state in different positions. Finally, the material after precise adjustment flows out evenly from the dispensing pipe 3, thus completing a series of operations.
[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A rubber hose with adjustable discharge rate, comprising a hose body (1), a pushing assembly (2) consisting of a piston and a push rod, and a discharge hose (3), characterized in that: The lower end of the hose body (1) is provided with a variable diameter hole seat (4), and a flow regulating core (5) is provided below the variable diameter hole seat (4). A connector (6) is fixed at the bottom of the flow regulating core (5). A movable shaft (7) is symmetrically provided at the bottom of the connector (6) and passes through both sides of the bottom of the hose body (1). An external adjusting sleeve (8) is movably sleeved on the outside of the hose (3). The outer walls on both sides of the upper end of the external adjusting sleeve (8) are fixedly connected to the outer end of the movable shaft (7) through connecting blocks. An elastic tightening block (9) is provided on both sides of the lower end of the external adjusting sleeve (8).
2. The adjustable discharge hose according to claim 1, characterized in that: The variable diameter hole seat (4) is provided with a variable diameter overflow hole with a structure that is narrow at the top and wide at the bottom at the center, and the flow regulating core (5) corresponds to the position of the variable diameter overflow hole at the center of the variable diameter hole seat (4).
3. The adjustable discharge hose according to claim 1, characterized in that: The top surface of the variable diameter hole seat (4) is surrounded by several guide grooves with an inner arc-shaped structure. The guide grooves on the top surface of the variable diameter hole seat (4) are all inclined, and the lower end of each groove faces the variable diameter overflow hole at the center of the variable diameter hole seat (4).
4. The adjustable discharge hose according to claim 1, characterized in that: The lower end of the external adjustment sleeve (8) has symmetrical arc grooves on its inner wall, and the upper end of the elastic tightening block (9) is movably connected to the inner wall of the arc groove of the external adjustment sleeve (8) through a pivot pin. The inner wall of the arc groove of the external adjustment sleeve (8) is also provided with an elastic support member (10).
5. The adjustable discharge hose according to claim 1, characterized in that: A sealing ring is provided at the connection between the lower end of the hose body (1) and the movable shaft (7), and the movable shaft (7) is vertically inserted into the sealing ring at the lower end of the hose body (1).
6. The adjustable discharge hose according to claim 1, characterized in that: The flow regulating core (5) has an overall conical structure, and the narrower end of the flow regulating core (5) faces upward.