Pump body assembled through ultrasonic welding

Abstract

The utility model discloses a pump body assembled by ultrasonic welding, which comprises a lock cover, a pump core and a head cap, the pump core is arranged inside the lock cover, the head cap is arranged above the lock cover and is connected with the pump core, the head cap comprises a main body, a sealing cover and a discharge rod, the main body is of a funnel-shaped structure, the sealing cover is arranged on the main body, and the discharge rod is connected with the pump core. The discharging rod is arranged in the main body, a first convex ring is arranged at the top in the main body, a first groove is formed between the first convex ring and the outer edge of the main body, a second convex ring is arranged on the bottom surface of the sealing cover, a second groove is formed in the position, on the inner side of the second convex ring, of the sealing cover, and the first convex ring is used in cooperation with the second groove. And the second convex ring is matched with the first groove for use. According to the sealing cover, a traditional fastener structure is omitted, the convex ring is adopted for positioning, the sealing cover and the main body are welded through ultrasonic waves, the assembly difficulty is reduced, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pump bodies, in particular to a pump body assembled through ultrasonic welding. Background Art

[0002] The pump body (lotion pump, vacuum pump, etc.) is often used in conjunction with a packaging bottle. The user repeatedly presses the pump body to extract the material in the packaging bottle for use.

[0003] The pump body includes a head cap, a pump core, a locking cover, etc. The common pump head caps on the market are assembled together by snapping together. During assembly, the hook needs to be snapped into the slot, which makes assembly difficult. Since the assembly force is difficult to control, the hook is easy to break during assembly, resulting in a high defective rate and high production costs. At the same time, the pump body is easy to be accidentally touched during use, which may cause the liquid in the packaging bottle to be pumped out, thereby causing a waste of resources. Utility Model Content

[0004] The utility model aims to solve at least one problem existing in the prior art. To this end, the purpose of the utility model is to provide a pump body assembled by ultrasonic welding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The pump body assembled by ultrasonic welding includes a lock cover, a pump core and a head cap, the pump core is arranged inside the lock cover, the head cap is arranged above the lock cover and connected to the pump core, the head cap includes a main body, a sealing cover and a discharge rod, the main body is a funnel-shaped structure, the sealing cover is arranged on the main body, the discharge rod is arranged inside the main body, a first convex ring is arranged on the top of the main body, a first groove is formed between the first convex ring and the outer edge of the main body, a second convex ring is arranged on the bottom surface of the sealing cover, and a second groove is arranged on the inner side of the second convex ring of the sealing cover, the first convex ring is used in conjunction with the second groove, and the second convex ring is used in conjunction with the first groove.

[0007] As a further optimization scheme of the utility model, a limit ring is arranged inside the main body, a plurality of locking pieces are arranged at the bottom of the limit ring, a connecting pipe is arranged on the locking cover, and the connecting pipe and the locking cover are an integrated structure.

[0008] As a further optimization scheme of the utility model, a locking groove is provided on the top of the connecting tube, and the locking groove is used in conjunction with a locking piece. The locking groove includes a first locking groove and a second locking groove. The first locking groove and the second locking groove are interconnected, and the length of the first locking groove is smaller than the length of the second locking groove.

[0009] As a further optimization solution of the utility model, a convex tube is arranged inside the main body, the convex tube and the main body are an integrated structure, and a plurality of point grooves are arranged on the convex tube.

[0010] As a further optimization solution of the utility model, a plurality of point blocks are arranged on the discharging rod, and the point blocks are used in conjunction with the point slots.

[0011] As a further optimization scheme of the utility model, at least two limiting wing plates are provided on one side of the cover, and the discharging rod is limited by the limiting wing plates. An alignment mark is provided on the other side of the cover, and the alignment mark is directly opposite to the limiting wing plates.

[0012] As a further optimization solution of the utility model, the discharge rod is clamped on the pump core, and a plurality of clamping ribs are arranged on the outer wall of the lower part of the discharge rod, and the clamping ribs are evenly spaced and distributed on the outer wall of the discharge rod.

[0013] Beneficial effects of the utility model:

[0014] 1. The cover of the utility model cancels the traditional hook structure, adopts a convex ring for positioning, and is welded with the main body by ultrasonic wave, which reduces the difficulty of assembly and improves the quality of the product.

[0015] 2. The utility model is provided with an anti-accidental touch mechanism, including a locking groove and a locking member, and the anti-accidental touch effect is achieved through the locking cooperation of the locking groove and the locking member.

[0016] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the pump structure of the utility model assembled by ultrasonic welding;

[0018] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 It is a schematic diagram of the structure of the main body and the discharging rod of the utility model;

[0020] Figure 4 It is a schematic diagram of the main structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the sealing structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the lock cover structure of the utility model.

[0023] In the figure: 1. locking cover, 2. pump core, 3. head cap, 4. main body, 5. sealing cover, 6. discharge rod, 7. first convex ring, 8. first groove, 9. second convex ring, 10. second groove, 11. limiting ring, 12. locking piece, 13. first locking groove, 14. second locking groove, 15. convex tube, 16. point groove, 17. point block, 18. limiting wing plate, 19. alignment mark, 20. positioning rib. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices consistent with some aspects of the present application as detailed in the appended claims.

[0026] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which the utility model belongs. The words "one" or "one" and the like used in the specification and claims of this application do not indicate a quantitative limitation, but indicate the existence of at least one. "Multiple" includes two, which is equivalent to at least two. "Including" or "including" and the like mean that the elements or objects appearing in front of "including" or "including" include the elements or objects listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and the like are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect. The singular forms of "one", "said" and "the" used in the specification and the appended claims of this application are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0027] Please refer to Figure 1-6The pump body assembled by ultrasonic welding includes a lock cover 1, a pump core 2 and a head cap 3. The pump core 2 is arranged inside the lock cover 1, and the head cap 3 is arranged above the lock cover 1 and connected to the pump core 2. Specifically, the head cap 3 includes a main body 4, a cover 5 and a discharge rod 6. The main body 4 is a funnel-shaped structure. The cover 5 is welded on the main body 4 by ultrasonic welding process. The discharge rod 6 is arranged inside the main body 4. A first convex ring 7 is arranged at the top of the main body 4. A first groove 8 is formed between the first convex ring 7 and the outer edge of the main body 4. A second convex ring 9 is arranged on the bottom surface of the cover 5. The cover 5 is provided with a second groove 10 inside the second convex ring 9. The first convex ring 7 is used in conjunction with the second groove 10, and the second convex ring 9 is used in conjunction with the first groove 8, that is, the first convex ring 7 can be assembled into the second groove 10, and the second convex ring 9 can be assembled into the first groove 8, so that the main body 4 and the cover 5 are installed and positioned, and fixed by ultrasonic welding.

[0028] Furthermore, a convex tube 15 is provided inside the main body 4, and the convex tube 15 and the main body 4 are an integrated structure. Two point grooves 16 are provided on the convex tube 15, and the two point grooves 16 are arranged opposite to each other; two point blocks 17 are provided on the discharging rod 6, and the two point blocks 17 are arranged opposite to each other. The point blocks 17 are used in conjunction with the point grooves 16 to play a limiting role, so that the discharging rod 6 can be stably assembled in the convex tube 15; two limiting wing plates 18 are also provided on one side of the cover 5, and the distance between the two limiting wing plates 18 is slightly greater than or equal to the width of the discharging end of the discharging rod 6. The discharging rod 6 is limited by the limiting wing plates 18, and an alignment mark 19 is provided on the other side of the cover 5. The alignment mark 19 is directly opposite to the limiting wing plate 18, and the alignment mark 19 plays an alignment role, which facilitates the installation and positioning of the cover 5.

[0029] Furthermore, a limiting ring 11 is provided inside the main body 4, and three locking members 12 are provided at the bottom of the limiting ring 11. A connecting tube is provided on the locking cover 1, and the connecting tube and the locking cover 1 are an integrated structure; a locking groove is provided on the top of the connecting tube, and the locking groove cooperates with the locking member 12, and the locking groove includes a first locking groove 13 and a second locking groove 14, and the first locking groove 13 and the second locking groove 14 are interconnected, and the length of the first locking groove 13 is less than the length of the second locking groove 14. Specifically, in the normal state, when the locking member 12 is located in the first locking groove 13, the locking member 12 conflicts with the bottom of the first locking groove 13, and the head cap 3 cannot be pressed at this time; in the use state, when the locking member 12 is located in the second locking groove 14, the locking member 12 has a deeper activity space, and the head cap 3 can be pressed at this time, and the cooperation between the locking groove and the locking member 12 achieves the effect of preventing accidental touch.

[0030] Furthermore, the discharge rod 6 is clamped on the pump core 2, and three clamping ribs 20 are provided on the outer wall of the lower part of the discharge rod 6. The clamping ribs 20 are evenly spaced on the outer wall of the discharge rod 6. After the discharge rod 6 and the pump core 2 are assembled in place, the clamping ribs 20 will abut against the upper surface of the pump core 2, thereby playing a limiting role.

[0031] The utility model is a pump body assembled by ultrasonic welding, and its assembly principle is:

[0032] During assembly, first align the point block 17 with the point groove 16, and assemble the discharge rod 6 into the convex tube 15 of the main body 4; then align the alignment mark 19 with the discharge rod 6, and cover the cover 5. At this time, the cover 5 covers the main body 4 and the discharge rod 6, the first convex ring 7 is assembled into the second groove 10, the second convex ring 9 is assembled into the first groove 8, and the limiting wing plate 18 is clamped on both sides of the discharge rod 6 to limit the discharge rod 6; after the main body 4, the cover 5 and the discharge rod 6 are assembled, the main body 4 and the cover 5 are welded by ultrasonic welding equipment.

[0033] The pump body of the present application needs to be used in conjunction with a packaging bottle and is connected to the packaging bottle by means of a thread. When in use, the locking member 12 is screwed out of the first locking groove 13 by rotating the head cap 3 so that the locking member 12 is located above the second locking groove 14, and then the head cap 3 is pressed to discharge the material. When not in use, the locking member 12 is screwed back into the first locking groove 13. That is, when it is necessary to take out the material, the head cap needs to be rotated by a certain angle before it can be pressed to take out the material, which plays a role in preventing accidental touch.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pump body assembled by ultrasonic welding, comprising a lock cover, a pump core and a head cap, wherein the pump core is arranged inside the lock cover, and the head cap is arranged above the lock cover and connected to the pump core, characterized in that: The head cap includes a main body, a sealing cover and a discharging rod. The main body is a funnel-shaped structure. The sealing cover is arranged on the main body, and the discharging rod is arranged inside the main body. A first convex ring is arranged at the top of the main body, and a first groove is formed between the first convex ring and the outer edge of the main body. A second convex ring is arranged on the bottom surface of the sealing cover, and a second groove is arranged on the inner side of the second convex ring. The first convex ring is used in conjunction with the second groove, and the second convex ring is used in conjunction with the first groove.

2. The pump body assembled by ultrasonic welding according to claim 1, characterized in that: A limiting ring is arranged inside the main body, a plurality of locking pieces are arranged at the bottom of the limiting ring, a connecting pipe is arranged on the locking cover, and the connecting pipe and the locking cover are an integrated structure.

3. The pump body assembled by ultrasonic welding according to claim 2, characterized in that: A locking groove is provided at the top of the connecting pipe, and the locking groove is used in conjunction with a locking member. The locking groove includes a first locking groove and a second locking groove. The first locking groove and the second locking groove are interconnected, and the length of the first locking groove is smaller than the length of the second locking groove.

4. The pump body assembled by ultrasonic welding according to claim 3, characterized in that: A convex tube is arranged inside the main body, the convex tube and the main body are an integrated structure, and a plurality of point grooves are arranged on the convex tube.

5. The pump body assembled by ultrasonic welding according to claim 4, characterized in that: The discharging rod is provided with a plurality of point blocks, and the point blocks are used in conjunction with the point slots.

6. The pump body assembled by ultrasonic welding according to claim 5, characterized in that: At least two limiting wing plates are also provided on one side of the cover, and the discharging rod is limited by the limiting wing plates. An alignment mark is provided on the other side of the cover, and the alignment mark is directly opposite to the limiting wing plates.

7. The pump body assembled by ultrasonic welding according to claim 6, characterized in that: The discharging rod is clamped on the pump core, and a plurality of clamping ribs are arranged on the outer wall of the lower part of the discharging rod, and the clamping ribs are evenly distributed on the outer wall of the discharging rod.

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