A quantitative liquid adding device for the production of furniture water-based paint

Abstract

The utility model belongs to the technical field of quantitative liquid adding devices, and specifically relates to a quantitative liquid adding device for the production of furniture water-based paint, comprising a liquid storage tank, a quantitative shell fixedly connected to the upper end of the liquid storage tank, a constant pressure mechanism provided on the liquid storage tank, a driving tube slidably connected to the interior of the quantitative shell, an adjusting rod slidably connected to the interior of the driving tube, a piston plate fixedly connected to the lower end of the adjusting rod, a mounting frame fixedly connected to the upper end of the quantitative shell, a motor fixedly installed to the upper end of the mounting frame, and a crank frame fixedly connected to the outer side of the output shaft of the motor. The utility model adds a limit seat, a limit rod, a pull ring and other structures on the driving tube, and during use, the use length of the adjusting rod can be limited by the limit rod and the positioning groove on the adjusting rod, so that the adjustment of the adjusting rod can be more stable, and the adjustment of the quantitative liquid extraction can be more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of quantitative liquid adding devices, in particular to a quantitative liquid adding device for producing furniture water-based paint. Background Art

[0002] The utility model patent with announcement number CN215743317U discloses a quantitative liquid adding device for the production of environmentally friendly water-based paint for furniture, including a cover body and a door-shaped bracket, a liquid adding nozzle passing through and fixedly connected to the middle of the cover body, a liquid adder is arranged on the upper end of the liquid adding nozzle, a liquid replenishing tube is connected to the lower right end of the liquid adder, and a one-way valve is arranged on the liquid adding nozzle and the liquid replenishing tube, a piston is sealingly and slidingly connected inside the liquid adder, a piston rod is fixedly connected to the top end of the piston, a top baffle ring is fixedly connected to the top end of the liquid adder, and a limit baffle is fixedly connected to the top end of the top baffle through the door-shaped bracket, a screw is rotatably connected to the left side of the top baffle through a rotating ring, a movable slider is threadedly connected to the lower end of the screw, and a spring is sleeved on the piston rod, whose two ends respectively press and contact the bottom end surface of the limit baffle and the top end surface of the movable slider. The existing quantitative liquid adding device for furniture water-based paint production adjusts the liquid adding quantity by thread matching during use. The device will vibrate during the operation of the piston plate, which will cause the thread matching to loosen and change the liquid adding amount, making it impossible to accurately add liquid. In addition, during the quantitative liquid adding process, the internal liquid of the liquid storage tank decreases, resulting in a decrease in pressure. When the pressure is too low, the liquid cannot be discharged normally, affecting the normal use of the device. Therefore, improvements are needed. Utility Model Content

[0003] The utility model aims to provide a quantitative liquid adding device for producing furniture water-based paint, which solves the problems of instability after quantitative liquid adding adjustment and inability to discharge liquid normally due to too low pressure inside the liquid storage tank.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quantitative liquid adding device for the production of furniture water-based paint, comprising a liquid storage tank, a quantitative shell fixedly connected to the upper end of the liquid storage tank, a constant pressure mechanism arranged on the liquid storage tank, a driving tube slidably connected to the inside of the quantitative shell, an adjusting rod slidably connected to the inside of the driving tube, a piston plate fixedly connected to the lower end of the adjusting rod, a mounting frame fixedly connected to the upper end of the quantitative shell, a motor fixedly installed to the upper end of the mounting frame, a crank frame fixedly connected to the outer side of the output shaft of the motor, a connecting rod installed to the outer side of the connecting shaft of the crank frame through a bearing, the upper end of the driving tube fixedly connected to a limiting seat, the limiting seat is slidably connected to the limiting rod, a spring 1 is arranged on the outer side of the limiting rod, and a pull ring is fixedly connected to the outer side of the limiting rod.

[0005] Preferably, the piston plate is slidably connected to the inner wall of the quantitative housing, the connecting rod is connected to the connecting shaft of the driving tube via a bearing, and the connecting rod can drive the driving tube to perform reciprocating motion.

[0006] Preferably, a suction pipe is fixedly connected to the lower end of the quantitative shell, a discharge pipe is fixedly connected to the interior of the quantitative shell, the discharge pipe is fixedly connected to the liquid storage tank, a one-way valve is arranged inside the suction pipe and the discharge pipe, and the suction pipe can absorb the liquid inside the liquid storage tank.

[0007] Preferably, the pull ring contacts the limit seat, one end of the spring one is fixedly connected to the limit seat, the other end of the spring one is fixedly connected to the limit rod, the limit seat is slidably connected to the adjusting rod, a plurality of evenly distributed positioning grooves are provided inside the adjusting rod, the limit rod is slidably connected to the positioning grooves, and the spring one can drive the limit rod to automatically reset through elastic force.

[0008] Preferably, the constant pressure mechanism includes a constant pressure tube, which is fixedly connected to the left upper end of the liquid storage tank, a horizontal bar is fixedly connected to the interior of the constant pressure tube, a connecting nail is slidably connected to the interior of the horizontal bar, a sealing plug is fixedly connected to the upper end of the connecting nail, a sealing ring is fixedly connected to the interior of the constant pressure tube, a breathable cover is threadedly connected to the outside of the constant pressure tube, a spring 2 is provided on the outside of the connecting nail, and the breathable cover can filter the airflow passing through.

[0009] Preferably, one end of the second spring is fixedly connected to the horizontal bar, the other end of the second spring is fixedly connected to the sealing plug, the sealing plug is slidably connected to the sealing ring, and the second spring can drive the sealing plug to automatically reset through elastic force.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model adds structures such as a limit seat, a limit rod and a pull ring on the driving tube. During use, the use length of the adjusting rod can be limited by the positioning groove on the limit rod and the adjusting rod, so that the adjustment of the adjusting rod can be more stable and the adjustment of the quantitative liquid extraction can be more accurate.

[0012] 2. The utility model adds structures such as a constant pressure tube, a sealing plug and a sealing ring to the liquid storage tank. During the liquid adding process, after the internal pressure of the liquid storage tank changes, the sealing plug moves, and the gas outside the constant pressure tube enters the interior of the liquid storage tank to keep the pressure inside the liquid storage tank constant, thereby avoiding the problem of being unable to discharge liquid due to the pressure inside the liquid storage tank being too low. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of

[0015] Figure 3 For the utility model Figure 1 A front cross-sectional enlarged view of the constant pressure tube;

[0016] Figure 4 For the utility model Figure 2 A-section structure enlarged view.

[0017] In the figure: 1. liquid storage tank; 2. quantitative shell; 3. constant pressure mechanism; 4. driving pipe; 5. adjusting rod; 6. piston plate; 7. suction pipe; 8. discharge pipe; 9. mounting frame; 10. motor; 11. connecting rod; 12. crank frame; 13. positioning groove; 14. limit seat; 15. limit rod; 16. spring one; 17. pull ring; 31. constant pressure pipe; 32. horizontal bar; 33. connecting nail; 34. sealing plug; 35. sealing ring; 36. breathable cover; 37. spring two. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 , Figure 2 , Figure 4 A quantitative liquid adding device for producing furniture water-based paint comprises a liquid storage tank 1, a quantitative shell 2 is fixedly connected to the upper end of the liquid storage tank 1, a constant pressure mechanism 3 is arranged on the liquid storage tank 1, a driving tube 4 is slidably connected inside the quantitative shell 2, an adjusting rod 5 is slidably connected inside the driving tube 4, a piston plate 6 is fixedly connected to the lower end of the adjusting rod 5, a mounting frame 9 is fixedly connected to the upper end of the quantitative shell 2, a motor 10 is fixedly installed on the upper end of the mounting frame 9, a crank frame 12 is fixedly connected to the outer side of the output shaft of the motor 10, a connecting rod 11 is installed on the outer side of the connecting shaft of the crank frame 12 through a bearing, the upper end of the driving tube 4 is fixedly connected to a limiting seat 14, a limiting rod 15 is slidably connected inside the limiting seat 14, a spring 16 is arranged on the outer side of the limiting rod 15, and a pull ring 17 is fixedly connected to the outer side of the limiting rod 15.

[0020] See also Figure 1 , Figure 2 , Figure 4, the piston plate 6 is slidably connected to the inner wall of the quantitative shell 2, the connecting rod 11 is connected to the connecting shaft of the driving tube 4 through a bearing, the connecting rod 11 can drive the driving tube 4 to reciprocate, the lower end of the quantitative shell 2 is fixedly connected with a suction pipe 7, the interior of the quantitative shell 2 is fixedly connected with a discharge pipe 8, the discharge pipe 8 is fixedly connected to the liquid storage tank 1, and a one-way valve is arranged inside the suction pipe 7 and the discharge pipe 8, the suction pipe 7 can absorb the liquid inside the liquid storage tank 1, the pull ring 17 contacts with the limit seat 14, one end of the spring 16 is fixedly connected to the limit seat 14, the other end of the spring 16 is fixedly connected to the limit rod 15, the limit seat 14 is slidably connected to the adjusting rod 5, a plurality of evenly distributed positioning grooves 13 are provided inside the adjusting rod 5, the limit rod 15 is slidably connected to the positioning groove 13, and the spring 16 can drive the limit rod 15 to automatically reset by elastic force.

[0021] See also Figure 1 , Figure 3 The constant pressure mechanism 3 includes a constant pressure tube 31, a constant pressure tube 31 is fixedly connected to the left upper end of the liquid storage tank 1, a horizontal bar 32 is fixedly connected to the interior of the constant pressure tube 31, a connecting nail 33 is slidably connected to the interior of the horizontal bar 32, a sealing plug 34 is fixedly connected to the upper end of the connecting nail 33, a sealing ring 35 is fixedly connected to the interior of the constant pressure tube 31, a breathable cover 36 is threadedly connected to the outside of the constant pressure tube 31, a spring 37 is arranged on the outside of the connecting nail 33, the breathable cover 36 can filter the air flow passing through, one end of the spring 37 is fixedly connected to the horizontal bar 32, the other end of the spring 37 is fixedly connected to the sealing plug 34, the sealing plug 34 is slidably connected to the sealing ring 35, and the spring 37 can drive the sealing plug 34 to automatically reset through elastic force.

[0022] The specific implementation process of the utility model is as follows: when in use, the pull ring 17 is pulled, and the pull ring 17 drives the limit rod 15 to move. The limit rod 15 can compress the spring 16 when moving. When the limit rod 15 is separated from the current positioning groove 13, the limit on the adjustment rod 5 can be released, and then the position of the adjustment rod 5 can be adjusted. The adjustment rod 5 can adjust the moving range of the piston plate 6 during the movement. After the piston plate 6 is adjusted, the liquid taking amount can be adjusted, so that the liquid taking amount can be more stable;

[0023] During the process of taking liquid, the pressure inside the liquid storage tank 1 decreases, and the suction force generated by the pressure reduction acts on the sealing plug 34. When the suction force is greater than the elastic force of the spring 37, the sealing plug 34 moves. When the sealing plug 34 is separated from the sealing ring 35, the gas outside the liquid storage tank 1 enters the inside of the liquid storage tank 1, which can balance the air pressure, thereby avoiding the problem of being unable to discharge liquid due to too low pressure.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quantitative liquid adding device for producing furniture water-based paint, comprising a liquid storage tank (1), characterized in that: The upper end of the liquid storage tank (1) is fixedly connected to a quantitative shell (2), and a constant pressure mechanism (3) is provided on the liquid storage tank (1). A driving tube (4) is slidably connected inside the quantitative shell (2), and an adjusting rod (5) is slidably connected inside the driving tube (4). The lower end of the adjusting rod (5) is fixedly connected to a piston plate (6). The upper end of the quantitative shell (2) is fixedly connected to a mounting frame (9), and a motor (10) is fixedly mounted on the upper end of the mounting frame (9). The outer side of the output shaft of the motor (10) is fixedly connected to a crank frame (12), and the outer side of the connecting shaft of the crank frame (12) is mounted with a connecting rod (11) via a bearing. The upper end of the driving tube (4) is fixedly connected to a limiting seat (14), and the inner side of the limiting seat (14) is slidably connected to a limiting rod (15). A spring (16) is provided on the outer side of the limiting rod (15), and a pull ring (17) is fixedly connected to the outer side of the limiting rod (15).

2. A quantitative liquid adding device for producing furniture water-based paint according to claim 1, characterized in that: The piston plate (6) is slidably connected to the inner wall of the metering shell (2), and the connecting rod (11) is connected to the connecting shaft of the driving tube (4) via a bearing.

3. A quantitative liquid adding device for producing furniture water-based paint according to claim 1, characterized in that: The lower end of the quantitative shell (2) is fixedly connected to a suction tube (7), the interior of the quantitative shell (2) is fixedly connected to a liquid discharge tube (8), the liquid discharge tube (8) is fixedly connected to the liquid storage tank (1), and one-way valves are provided inside the suction tube (7) and the liquid discharge tube (8).

4. A quantitative liquid adding device for producing furniture water-based paint according to claim 1, characterized in that: The pull ring (17) is in contact with the limit seat (14), one end of the spring (16) is fixedly connected to the limit seat (14), the other end of the spring (16) is fixedly connected to the limit rod (15), the limit seat (14) is slidably connected to the adjustment rod (5), a plurality of evenly distributed positioning grooves (13) are provided inside the adjustment rod (5), and the limit rod (15) is slidably connected to the positioning grooves (13).

5. The quantitative liquid adding device for producing furniture water-based paint according to claim 1, characterized in that: The constant pressure mechanism (3) comprises a constant pressure tube (31), the left upper end of the liquid storage tank (1) is fixedly connected with the constant pressure tube (31), the interior of the constant pressure tube (31) is fixedly connected with a horizontal bar (32), the interior of the horizontal bar (32) is slidably connected with a connecting nail (33), the upper end of the connecting nail (33) is fixedly connected with a sealing plug (34), the interior of the constant pressure tube (31) is fixedly connected with a sealing ring (35), the outer side of the constant pressure tube (31) is threadedly connected with a breathable cover (36), and the outer side of the connecting nail (33) is provided with a second spring (37).

6. A quantitative liquid adding device for producing furniture water-based paint according to claim 5, characterized in that: One end of the second spring (37) is fixedly connected to the horizontal bar (32), the other end of the second spring (37) is fixedly connected to the sealing plug (34), and the sealing plug (34) is slidably connected to the sealing ring (35).

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