High-sealing-performance piston rod for emulsion pump

Abstract

The utility model relates to the technical field of pistons, and provides a high-sealing piston rod for an emulsion pump, which comprises a piston main body and a reserved groove, reserved grooves are evenly formed in the outer wall of the piston body, a mounting seat is arranged at the top end of the piston body, a piston rod is arranged at the top end of the mounting seat, and an assembling structure is arranged in the middle of the top end of the mounting seat. By arranging the splicing structure, the bottom of the piston rod is arranged in the limiting groove to rotate, and when the clamping rod rotates to the inner side of the through hole, the clamping rod is pushed out through the elastic force of the spring, so that the clamping rod and the mounting seat form a clamping structure through the through hole to be positioned and mounted; and in the dismounting process, the clamping rod can be taken out by being pressed into the built-in groove, and therefore the purposes that the piston rod is convenient to dismount and mount, and positioning is reliable are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pistons, in particular to a high-sealing piston rod for a lotion pump. Background Art

[0002] Lotion pumps are widely used in many industries such as cosmetics, medicine, food, and chemicals. In the process of producing lotion pumps, in order to meet their actual use needs, high-sealing piston rods are an important component;

[0003] To this end, the patent with publication number CN203823042U discloses a new type of piston rod, which belongs to the field of oil cylinder technology. The new type of piston rod includes a piston rod body, a connecting shaft connected to the piston is provided on the piston rod body, a connecting thread is provided on the connecting shaft, a sealing groove is provided on the connecting shaft, and the sealing groove is arranged behind the connecting thread. The utility model is mainly suitable for occasions where the vibration frequency of the hydraulic cylinder is relatively high, and overcomes the defect of the piston rod structure in the prior art that the piston rod structure is prone to stress concentration at the dangerous section back-cut groove during operation, which leads to the easy breakage of the piston rod, and enhances the connection strength of the thread;

[0004] The piston rod connecting shaft is provided with a groove, and the groove is arranged behind the connecting thread to prevent it from breaking during use and increase its strength. However, it is not convenient to assemble and disassemble it during installation with the piston, and has certain limitations during use. Utility Model Content

[0005] The utility model aims to provide a high-sealing piston rod for a lotion pump, so as to solve the defect that the existing piston rod is not convenient to disassemble and assemble.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-sealing piston rod for a lotion pump, comprising a piston body and a reserved groove;

[0007] The outer wall of the piston body is evenly provided with reserved grooves, the top of the piston body is provided with a mounting seat, the top of the mounting seat is provided with a piston rod, and the middle position of the top of the mounting seat is provided with an assembling structure;

[0008] The assembly structure includes a limit groove, a through hole, a built-in groove, a clamping rod, a limit block and a spring. The limit groove is opened at the middle position of the top of the mounting seat. The top of the mounting seat outside the limit groove is evenly provided with through holes. The built-in grooves are opened at the bottom of the piston rod. The clamping rod is arranged inside the built-in groove. A limit block is arranged on one side of the clamping rod. A spring is arranged on the side of the limit block away from the clamping rod.

[0009] A connecting block is arranged on the outer wall of the top of the piston rod, a threaded hole is arranged at the bottom end of the connecting block, and an adjusting structure is arranged at the top end of the connecting block.

[0010] Preferably, the reserved grooves are provided in four groups, and the four groups of the reserved grooves are distributed at equal intervals on the outer wall of the piston body.

[0011] Preferably, the bottom of the piston rod is arranged inside the limiting groove, and the through holes are symmetrically distributed on the top of the mounting seat outside the limiting groove.

[0012] Preferably, the built-in grooves are symmetrically distributed at the bottom of the piston rod, and the side of the spring away from the clamping rod is fixedly connected to the side inside the built-in groove.

[0013] Preferably, one end of the clamping rod extends to the outside of the mounting seat through a through hole, and the clamping rod and the mounting seat form a clamping structure through the through hole.

[0014] Preferably, the top of the piston rod is provided with an external thread, and the piston rod and the connecting block are threadedly connected via a threaded hole.

[0015] Preferably, the adjustment structure includes an adjustment groove, a threaded rod, a mounting plate and a reserved hole, the adjustment groove is opened at the top of the threaded hole, a threaded rod is arranged inside the adjustment groove, mounting plates are evenly arranged on the outer wall of the threaded rod, and reserved holes are opened inside the mounting plates.

[0016] Preferably, one end of the threaded rod extends to the outside of the connecting block, and the mounting plates are symmetrically distributed on the top of the connecting block.

[0017] Preferably, the interior of the mounting plates are provided with internal threads, and the mounting plates are threadedly connected to the threaded rods.

[0018] The utility model provides a high-sealing piston rod for a lotion pump, which has the following advantages:

[0019] By providing an assembling structure, the bottom of the piston rod is rotated inside the limiting groove. When the clamping rod is rotated to the inner side of the through hole, it is pushed out by the elastic force of the spring so that it passes through the through hole and forms a clamping structure with the mounting seat for positioning and installation. During the disassembly process, the clamping rod can be pressed into the built-in groove to be taken out, thereby achieving the purpose of easy disassembly and assembly of the piston rod and reliable positioning;

[0020] By providing an adjustment structure, the threaded rod extending to the outside of the connecting block is rotated so that the two sets of mounting plates move toward each other on the outer wall of the threaded rod, thereby changing the distance between the two sets of mounting plates to adjust the installation size, making it easy to install and use and convenient to operate, thereby achieving the purpose of facilitating the adjustment of the piston rod installation size and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. Piston body; 2. Reserved groove; 3. Mounting seat; 4. Piston rod; 5. Assembly structure; 501. Limiting groove; 502. Through hole; 503. Built-in groove; 504. Connecting rod; 505. Limiting block; 506. Spring; 6. Connecting block; 7. Threaded hole; 8. Adjustment structure; 801. Adjusting groove; 802. Threaded rod; 803. Mounting plate; 804. Reserved hole. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-Figure 5 The utility model provides a high-sealing piston rod for a lotion pump, comprising a piston body 1 and a reserved groove 2.

[0029] Reference Figure 1 , Figure 2 and Figure 3As shown, reserved grooves 2 are evenly arranged on the outer wall of the piston body 1, and four groups of reserved grooves 2 are arranged. The four groups of reserved grooves 2 are evenly spaced on the outer wall of the piston body 1. A mounting seat 3 is arranged at the top of the piston body 1, and a piston rod 4 is arranged at the top of the mounting seat 3. An assembling structure 5 is arranged at the middle position of the top of the mounting seat 3. The assembling structure 5 includes a limiting groove 501, a through hole 502, a built-in groove 503, a clamping rod 504, a limiting block 505 and a spring 506. The limiting groove 501 is arranged at the middle position of the top of the mounting seat 3, and the top of the mounting seat 3 outside the limiting groove 501 is evenly provided with a through hole 502, and the built-in grooves 503 are all arranged at the bottom of the piston rod 4. A clamping rod 504 is provided inside the built-in groove 503, a limiting block 505 is provided on one side of the clamping rod 504, a spring 506 is provided on the side of the limiting block 505 away from the clamping rod 504, the bottom of the piston rod 4 is provided inside the limiting groove 501, the through holes 502 are symmetrically distributed on the top of the mounting seat 3 outside the limiting groove 501, the built-in groove 503 is symmetrically distributed on the bottom of the piston rod 4, the side of the spring 506 away from the clamping rod 504 is fixedly connected to one side of the inside of the built-in groove 503, one end of the clamping rod 504 extends to the outside of the mounting seat 3 through the through hole 502, and the clamping rod 504 and the mounting seat 3 form a clamping structure through the through hole 502.

[0030] The lotion pump has high air tightness during use, and adopts a unique self-locking device and sealing structure to effectively prevent the contamination of the lotion. In order to ensure the normal use of the lotion pump, the traditional high-sealing piston rod is difficult to replace and install conveniently and has certain limitations during use. The assembly structure 5 is provided to facilitate the installation and disassembly of the piston rod, thereby greatly increasing the practicality of the component.

[0031] Reference Figure 1 , Figure 4 and Figure 5 As shown, a connecting block 6 is provided on the outer wall of the top of the piston rod 4, a threaded hole 7 is provided at the bottom end of the connecting block 6, an external thread is provided on the top of the piston rod 4, the piston rod 4 and the connecting block 6 are threadedly connected through the threaded hole 7, an adjusting structure 8 is provided at the top of the connecting block 6, the adjusting structure 8 includes an adjusting groove 801, a threaded rod 802, a mounting plate 803 and a reserved hole 804, the adjusting groove 801 is opened at the top of the threaded hole 7, a threaded rod 802 is provided inside the adjusting groove 801, mounting plates 803 are evenly provided on the outer wall of the threaded rod 802, reserved holes 804 are provided inside the mounting plates 803, one end of the threaded rod 802 extends to the outside of the connecting block 6, the mounting plates 803 are symmetrically distributed at the top of the connecting block 6, the mounting plates 803 are provided with internal threads inside, and the mounting plates 803 are threadedly connected to the threaded rod 802.

[0032] During the installation of the piston, different size requirements may be placed on the rotating connection of the piston rod, so that the working process is more stable and reliable. However, it is difficult to conveniently adjust the traditional piston rod, and the piston rod needs to be replaced, which greatly increases the cost of use and is not conducive to use. By providing an adjustment structure 8, the installation size can be conveniently adjusted, which greatly increases the practicality of the modified piston rod.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-sealing piston rod for a lotion pump, comprising a piston body (1) and a reserved groove (2); Features: The outer wall of the piston body (1) is evenly provided with reserved grooves (2); the top of the piston body (1) is provided with a mounting seat (3); the top of the mounting seat (3) is provided with a piston rod (4); and an assembly structure (5) is provided at the middle position of the top of the mounting seat (3); The assembly structure (5) comprises a limiting groove (501), a through hole (502), a built-in groove (503), a clamping rod (504), a limiting block (505) and a spring (506); the limiting groove (501) is arranged at the middle position of the top of the mounting seat (3); the top of the mounting seat (3) outside the limiting groove (501) is evenly provided with a through hole (502); the built-in grooves (503) are arranged at the bottom of the piston rod (4); the clamping rod (504) is arranged inside the built-in grooves (503); a limiting block (505) is arranged on one side of the clamping rod (504); and a spring (506) is arranged on the side of the limiting block (505) away from the clamping rod (504); A connecting block (6) is arranged on the outer wall of the top of the piston rod (4), a threaded hole (7) is arranged at the bottom end of the connecting block (6), and an adjusting structure (8) is arranged at the top end of the connecting block (6).

2. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: The reserved grooves (2) are provided in four groups, and the four groups of reserved grooves (2) are distributed at equal intervals on the outer wall of the piston body (1).

3. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: The bottom of the piston rod (4) is arranged inside the limiting groove (501), and the through holes (502) are symmetrically distributed on the top of the mounting seat (3) outside the limiting groove (501).

4. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: The built-in grooves (503) are symmetrically distributed at the bottom of the piston rod (4), and the side of the spring (506) away from the clamping rod (504) is fixedly connected to the side inside the built-in groove (503).

5. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: One end of the clamping rod (504) extends to the outside of the mounting seat (3) through the through hole (502), and the clamping rod (504) and the mounting seat (3) form a clamping structure through the through hole (502).

6. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: The top of the piston rod (4) is provided with an external thread, and the piston rod (4) and the connecting block (6) are threadedly connected via a threaded hole (7).

7. The high-sealing piston rod for a lotion pump according to claim 1, characterized in that: The adjustment structure (8) comprises an adjustment groove (801), a threaded rod (802), a mounting plate (803) and a reserved hole (804); the adjustment groove (801) is opened at the top end of the threaded hole (7); a threaded rod (802) is arranged inside the adjustment groove (801); mounting plates (803) are evenly arranged on the outer wall of the threaded rod (802); and the mounting plates (803) are all provided with reserved holes (804) inside.

8. The high-sealing piston rod for a lotion pump according to claim 7, characterized in that: One end of the threaded rod (802) extends to the outside of the connecting block (6), and the mounting plates (803) are symmetrically distributed on the top of the connecting block (6).

9. The high-sealing piston rod for a lotion pump according to claim 7, characterized in that: The interior of the mounting plates (803) is provided with internal threads, and the mounting plates (803) are threadedly connected to the threaded rods (802).

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