Vacuum tank capable of discharging liquid rotationally

Abstract

The utility model relates to the technical field of vacuum tanks, in particular to a vacuum tank capable of discharging liquid in a rotating mode, an inner container is arranged in a bottle body and connected to the bottle body in a rotating mode, a sealing piece is arranged on the top of the inner container in a sealing mode, and a liquid outlet is formed in the sealing piece. Threads are arranged on the lower portion of the inner container, internal threads are arranged on the lower portion of the inner container, external threads are arranged on the threads, and the internal threads are in transmission connection with the external threads. A piston is arranged in the inner container in a dynamic sealing mode, the bottom of the piston abuts against the top of the thread, and a containing cavity used for containing filler is formed among the piston, the inner container and the sealing piece. During use, due to the fact that the internal thread is in transmission connection with the external thread, when the inner container is rotated, the thread can move upwards, and therefore the piston is pushed to move upwards; the filler in the containing cavity is squeezed out towards the liquid outlet, the filler can be sucked back into the containing cavity by rotating the inner container in the opposite direction, the structure is simple and convenient, and the installation cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum tanks, in particular to a vacuum tank capable of rotating to discharge liquid. Background Art

[0002] A push pump head is a common manual pump head, which is often used to extract liquid from liquid bottle containers. The principle is to use the human hand to press the pump head to move the piston inside the pump head downward, thereby generating negative pressure to extract the liquid in the container. The push pump head is usually composed of a pump body, a piston, a spring, a sealing gasket and other components. It has many spare parts, a complex structure, is difficult to install and has high cost.

[0003] In view of the current pursuit of environmental protection, cost and product novelty, there is an urgent need to create a bottle container with simple structure, low installation cost and novel functions. To this end, a vacuum tank with rotating liquid discharge is proposed to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a vacuum tank with a rotating liquid discharge, which has a simple structure and low installation cost.

[0005] The utility model adopts the following technical scheme to solve the problem: a vacuum tank with rotating liquid discharge, comprising a bottle body, an inner liner is arranged in the bottle body, the upper part of the inner liner is rotatably connected to the top of the bottle body, a sealing piece is provided for sealing the top of the inner liner, a liquid outlet is provided on the sealing piece; a screw thread is arranged below the inner liner, an internal thread is arranged at the lower part of the inner liner, an external thread is arranged on the screw thread, and the internal thread is transmission-connected to the external thread; a piston is provided for dynamic sealing inside the inner liner, the bottom of the piston is abutted against the top of the screw thread, a holding cavity for holding a filler is formed between the piston, the inner liner and the sealing piece, and the liquid outlet is communicated with the holding cavity.

[0006] As a further improvement of the above technical solution, a guide column is provided at the bottom of the bottle body, and the guide column is located on the inner side of the screw thread, and the inner wall of the screw thread abuts against the outer wall of the guide column.

[0007] As a further improvement of the above technical solution, an annular rib is provided on the inner wall of the screw thread, and the annular rib abuts against the outer wall of the guide column.

[0008] As a further improvement of the above technical solution, a gear ring is arranged on the outer wall surrounding the upper part of the inner container.

[0009] As a further improvement of the above technical solution, an annular clamping strip is arranged around the top of the bottle body, and a groove opening downward is arranged around the upper part of the inner liner, and the annular clamping strip is rotatably connected to the groove.

[0010] As a further improvement of the above technical solution, an annular mounting groove opening upward is arranged around the top of the inner container, and a downward protrusion is arranged around the bottom of the sealing piece, and the protrusion is arranged in the annular mounting groove.

[0011] As a further improvement of the above technical solution, a mark is provided on the top of the sealing piece, and the mark is used to display the rotation direction of the inner container.

[0012] As a further improvement of the above technical solution, a positioning strip is provided at the bottom of the bottle body.

[0013] As a further improvement of the above technical solution, it also includes an outer cover, which is arranged on the top of the bottle body.

[0014] As a further improvement of the above technical solution, a gasket is provided between the outer cover and the sealing sheet.

[0015] The beneficial effects of the utility model are as follows: when in use, since the internal thread is transmission-connected to the external thread, when the inner liner is rotated, the thread can move upward, thereby pushing the piston upward, squeezing the filler in the accommodating chamber toward the liquid outlet, and rotating the inner liner in the opposite direction can suck the filler back into the accommodating chamber, the structure is simple and the installation cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a structural diagram of the utility model from a bottom-up perspective;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a cross-sectional view of the utility model;

[0020] Figure 4 for Figure 3 A partial enlarged view of part A;

[0021] Figure 5 This is a structural diagram of the screw thread of the utility model;

[0022] Figure 6 It is a structural diagram of the sealing piece of the utility model.

[0023] In the figure: 1-bottle body, 11-accommodating chamber, 12-guide column, 13-annular clamping strip, 14-positioning strip, 2-inner liner, 21-internal thread, 22-gear ring, 23-groove, 24-annular mounting groove, 3-sealing plate, 31-liquid outlet, 32-protrusion, 33-mark, 4-screw thread, 41-external thread, 42-annular rib, 5-piston, 6-outer cover, 7-gasket. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0028] Reference Figures 1 to 6 A vacuum tank for rotating liquid discharge comprises a bottle body 1, an inner liner 2 is arranged in the bottle body 1, the upper part of the inner liner 2 is rotatably connected to the top of the bottle body 1, a sealing piece 3 is provided for sealing the top of the inner liner 2, and a liquid outlet 31 is provided on the sealing piece 3; a screw thread 4 is provided below the inner liner 2, an internal thread 21 is provided at the lower part of the inner liner 2, an external thread 41 is provided on the screw thread 4, and the internal thread 21 is transmission-connected to the external thread 41; a piston 5 is provided for dynamic sealing inside the inner liner 2, the bottom of the piston 5 abuts against the top of the screw thread 4, and a receiving chamber 11 for receiving a filler is formed between the piston 5, the inner liner 2 and the sealing piece 3, and the liquid outlet 31 is communicated with the receiving chamber 11;

[0029] When in use, since the internal thread 21 is transmission-connected to the external thread 41, rotating the inner liner 2 will drive the screw thread 4 to rotate and move the screw thread 4 upward, thereby pushing the piston 5 to move upward, squeezing the filler in the accommodating chamber 11 toward the liquid outlet 31, and rotating the inner liner 2 in the opposite direction can suck the filler back into the accommodating chamber 11.

[0030] In a preferred embodiment, a guide post 12 is provided at the bottom of the bottle body 1, and the guide post 12 is located on the inner side of the screw thread 4, and the inner wall of the screw thread 4 abuts against the outer wall of the guide post 12, and the screw thread 4 moves up and down along the guide post 12;

[0031] During installation, first assemble the inner liner 2, the piston 5 and the screw thread 4 in sequence, then put the screw thread 4 on the guide column 12 and press it tightly. The guide column 12 can be used to quickly locate and install the structure inside the bottle. After filling, the sealing piece 3 is sealed and fixed on the top of the inner liner 2, which can also prevent the structure inside the bottle from shifting when filling the filler.

[0032] In a preferred embodiment, an annular rib 42 is provided on the inner wall of the screw thread 4, and the annular rib 42 abuts against the outer wall of the guide column 12;

[0033] During installation, the screw thread 4 can be automatically guided onto the guide column 12 through the contact between the annular rib 42 and the guide column 12 .

[0034] In a preferred embodiment, in order to facilitate the user to rotate the inner container 2 , a gear ring 22 is provided on the outer wall surrounding the upper part of the inner container 2 .

[0035] In a preferred embodiment, an annular clamping strip 13 is arranged around the top of the bottle body 1 , and a groove 23 opening downward is arranged around the upper part of the inner liner 2 , and the annular clamping strip 13 is rotatably connected to the groove 23 .

[0036] In a preferred embodiment, an annular mounting groove 24 opening upward is provided around the top of the inner liner 2 , and a downward protrusion 32 is provided around the bottom of the sealing sheet 3 , and the protrusion 32 is disposed in the annular mounting groove 24 .

[0037] In a preferred embodiment, in order to facilitate the user to identify the rotation direction of the inner liner 2 , a mark 33 is provided on the top of the sealing sheet 3 , and the mark 33 is used to display the rotation direction of the inner liner 2 .

[0038] In a preferred embodiment, a positioning strip 14 is provided at the bottom of the bottle body 1;

[0039] The positioning strip 14 facilitates rapid positioning of the bottle body 1 on the processing machine, thereby facilitating processing of the bottle body 1 .

[0040] In a preferred embodiment, an outer cover 6 is further included, and the outer cover 6 is covered on the top of the bottle body 1.

[0041] In a preferred embodiment, in order to prevent contamination of the liquid outlet 31 , a gasket 7 is provided between the outer cover 6 and the sealing sheet 3 .

[0042] Wherein, the material of the bottle body 1 is PMMA or PET or PETG;

[0043] The piston 5 and the gasket 7 are made of PE;

[0044] The material of the inner liner 2, the sealing piece 3, the screw thread 4 and the outer cover 6 is PP.

[0045] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A vacuum tank for rotating liquid discharge, characterized in that: The invention comprises a bottle body (1), wherein an inner liner (2) is arranged in the bottle body (1), the upper part of the inner liner (2) is rotatably connected to the top of the bottle body (1), the top of the inner liner (2) is sealed with a sealing piece (3), and the sealing piece (3) is provided with a liquid outlet (31); A screw thread (4) is provided below the inner liner (2), an internal thread (21) is provided at the lower part of the inner liner (2), an external thread (41) is provided on the screw thread (4), and the internal thread (21) is drivingly connected to the external thread (41); A piston (5) is provided in the inner shell (2) as a dynamic seal, the bottom of the piston (5) abuts against the top of the screw thread (4), and a receiving cavity (11) for receiving a filler is formed between the piston (5), the inner shell (2) and the sealing plate (3), and the liquid outlet (31) is communicated with the receiving cavity (11).

2. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: A guide column (12) is provided at the bottom of the bottle body (1), and the guide column (12) is located on the inner side of the screw thread (4), and the inner wall of the screw thread (4) abuts against the outer wall of the guide column (12).

3. A vacuum tank for rotating liquid discharge as claimed in claim 2, characterized in that: An annular rib (42) is provided on the inner wall of the screw thread (4), and the annular rib (42) abuts against the outer wall of the guide column (12).

4. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: An annular array of gear rings (22) is provided on the outer wall surrounding the upper portion of the inner container (2).

5. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: An annular clamping strip (13) is arranged around the top of the bottle body (1), and a groove (23) opening downward is arranged around the upper part of the inner container (2), and the annular clamping strip (13) is rotatably connected to the groove (23).

6. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: An annular mounting groove (24) opening upward is arranged around the top of the inner container (2), and a downward protrusion (32) is arranged around the bottom of the sealing plate (3), and the protrusion (32) is arranged in the annular mounting groove (24).

7. A vacuum tank for rotating liquid discharge as claimed in claim 6, characterized in that: A mark (33) is provided on the top of the sealing sheet (3), and the mark (33) is used to display the rotation direction of the inner container (2).

8. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: A positioning strip (14) is provided at the bottom of the bottle body (1).

9. A vacuum tank for rotating liquid discharge as claimed in claim 1, characterized in that: It also comprises an outer cover (6), wherein the outer cover (6) is arranged on the top of the bottle body (1).

10. A vacuum tank for rotating liquid discharge according to claim 9, characterized in that: A gasket (7) is provided between the outer cover (6) and the sealing sheet (3).

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