A hand-held vacuum cleaner

Abstract

The utility model discloses a handheld vacuum pump, including shell subassembly, vacuumizing subassembly, switch subassembly, control part and power connection part, the vacuumizing subassembly includes sealing assembly and vacuumizing pump, vacuumizing pump sets up in the shell subassembly, sealing assembly is on the shell subassembly and passes through the shell subassembly with vacuumizing pump is connected, switch subassembly sets up in the rear side of shell subassembly, control part sets up in the shell subassembly, power connection part sets up in the bottom end of shell subassembly, control part is electric together with vacuumizing pump, power connection part and switch subassembly electric connection respectively. The utility model provides a kind of handheld vacuum pump, not only small and exquisite, easy operation, still use external power supply, solve the endurance problem of built-in battery.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump technology, and in particular to a handheld vacuum pump. Background Technology

[0002] Vacuum technology has significant value in both daily life and production. In the food industry, it can isolate air, inhibit the growth of bacteria and mold, preserve the freshness and nutrients of ingredients for a longer period, and significantly extend shelf life. In the storage industry, it can compress the volume of fluffy items such as clothing, significantly reducing space usage. Clearly, vacuum machines have positive implications for daily production.

[0003] Early vacuum equipment was mostly large industrial models, with complex structures, large sizes, and high prices, suitable only for mass production. With technological advancements and increased household demand, smaller models gradually emerged. However, while existing household vacuum cleaners are smaller than industrial models, they are still inconvenient to carry due to their large size; moreover, most have built-in lithium batteries, requiring frequent charging for high-frequency use (such as when processing large quantities of food at home), and battery life decreases with each use, resulting in a significant reduction in battery capacity.

[0004] Therefore, it is necessary to improve existing technologies. Utility Model Content

[0005] The present invention aims to at least partially solve one of the problems existing in the existing related technologies. To this end, the first objective of the present invention is to propose a handheld vacuum pump that is small in size and easy to operate.

[0006] The above objective is achieved through the following technical solution:

[0007] A handheld vacuum pump includes a housing assembly, a vacuum pumping assembly, a switch assembly, a control component, a power connection component, and a socket assembly;

[0008] The vacuum assembly includes a sealing assembly and a vacuum pump. The vacuum pump is disposed inside the housing assembly. The sealing assembly is on the housing assembly and passes through the housing assembly and is connected to the vacuum pump. The switch assembly is disposed on the rear side of the housing assembly. The control component is disposed inside the housing assembly. The power connection component is disposed at the bottom end of the housing assembly and is connected to the socket assembly. The control component is electrically connected to the vacuum pump, the power connection component, and the switch assembly respectively.

[0009] The socket assembly includes a power cord and a USB plug, with one end of the power cord connected to the power connection component and the other end connected to the USB plug;

[0010] The housing assembly includes a front shell, a rear shell, and a connecting shell. A front connecting groove with an arc-shaped top and parallel sides is provided on the upper outer periphery of the rear side of the front shell. A rear connecting groove adapted to the front connecting groove is provided on the upper outer periphery of the front side of the rear shell. A front recess is provided at both ends of the front connecting groove, and a rear recess adapted to the front recess is provided at both ends of the rear connecting groove. A positioning hole is provided at both ends of the connecting shell. A positioning post is provided on the positioning hole. The outer end of the positioning post is riveted to the positioning hole, and a rivet is riveted to the inner end of the positioning post. A snap-fit ​​part is formed between the connecting shell and the rivet, which can engage with the front recess and the rear recess.

[0011] In some embodiments, the connecting shell is provided with a plurality of strip grooves.

[0012] In some embodiments, the upper end of the front housing is provided with a front opening, a transverse retaining ring is provided in the radial direction of the front opening, a front connecting ring is provided on the outer side of the front opening, the sealing assembly includes a positioning pad for fixing the vacuum pump, a sealing sheet is provided at the front end of the positioning pad, a first retaining groove is formed between the positioning pad and the sealing sheet, the transverse retaining ring is engaged in the first retaining groove, a sealing lip is provided on the outer side of the sealing sheet, a second retaining groove is provided inwardly on the rear side of the sealing lip, and the front connecting ring is inserted into the second retaining groove.

[0013] In some embodiments, the second slot is interference-fitted with the front connecting ring, and the first slot is interference-fitted with the transverse retaining ring.

[0014] In some embodiments, a first air intake is provided in the middle of the positioning pad, and a second air intake is provided in the middle of the sealing sheet. The circumference of the first air intake is larger than that of the second air intake and they are connected.

[0015] In some embodiments, the front end of the vacuum pump is provided with an air suction nozzle, which is interference-fitted with the first air intake port.

[0016] In some embodiments, the lower part of the rear housing is provided with a rear opening, and a rear positioning part extends into the inner side of the rear opening. The switch assembly includes a pressing head, a rear locking part, and a contact post. The pressing head is disposed on the rear opening. The rear locking part is inside the rear housing and locked outside the rear positioning part. The rear end of the contact post is provided with an end groove and contacts the control component. The pressing head, the rear locking part, and the contact post are integrally formed.

[0017] In some embodiments, a front power groove is provided at the bottom of the front housing and a matching rear power groove is provided at the bottom of the rear housing. A power connection component is installed between the front power groove and the rear power groove, and the bottom end of the power connection component is connected to the wire.

[0018] In some embodiments, the upper middle part of the rear shell is flat and extends in an arc shape towards the rear opening.

[0019] In some embodiments, the connector assembly further includes a Type-C plug and a connecting cable, wherein the Type-C plug and the USB plug are connected via the connecting cable.

[0020] Compared with the prior art, the present invention has at least the following beneficial effects:

[0021] This invention provides a handheld vacuum pump that is not only compact and easy to operate, but also uses an external power source, solving the battery life problem of the built-in battery. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram (1) of the handheld vacuum pump in the embodiment;

[0023] Figure 2 This is a three-dimensional schematic diagram (2) of the handheld vacuum pump in the embodiment;

[0024] Figure 3 This is a cross-sectional view of the handheld vacuum pump in the embodiment;

[0025] Figure 4 This is an exploded view of the handheld vacuum pump in the embodiment;

[0026] Figure 5 This is a schematic diagram of the internal structure of the rear shell in the embodiment;

[0027] Figure 6 This is a schematic diagram of the connector assembly structure in the embodiment.

[0028] In the diagram: 1. Housing assembly; 11. Front shell; 111. Front connecting groove; 112. Front notch; 113. Front opening; 1131. Horizontal retaining ring; 1132. Front connecting ring; 114. Front power supply recess; 12. Rear shell; 121. Rear connecting groove; 122. Rear notch; 123. Rear opening; 124. Rear positioning part; 125. Rear power supply recess; 13. Connecting shell; 131. Positioning hole; 132. Positioning post; 133. Rivet; 134. Snap-fit ​​part; 135. Strip groove; 2. Vacuum assembly Components; 21. Sealing assembly; 22. Vacuum pump; 221. Suction nozzle; 23. Positioning pad; 24. Sealing sheet; 25. First slot; 26. Sealing lip; 27. Second slot; 28. First suction port; 29. ​​Second suction port; 3. Switch assembly; 31. Press head; 32. Rear locking part; 33. Contact post; 34. End slot; 4. Control component; 5. Power connection component; 6. Socket assembly; 61. Wire; 62. USB plug; 63. Type-C plug; 64. Connecting wire. Detailed Implementation

[0029] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.

[0030] like Figures 1 to 4 As shown, this embodiment provides a handheld vacuum pump, including a housing assembly 1, a vacuum pumping assembly 2, a switch assembly 3, a control component 4, a power connection component 5, and a socket assembly 6;

[0031] The vacuum assembly 2 includes a sealing assembly 21 and a vacuum pump 22. The vacuum pump 22 is disposed inside the housing assembly 1. The sealing assembly 21 is on the housing assembly 1 and passes through the housing assembly 1 and is connected to the vacuum pump 22. The switch assembly 3 is disposed on the rear side of the housing assembly 1. The control component 4 is disposed inside the housing assembly 1. The power connection component 5 is disposed at the bottom end of the housing assembly 1 and is connected to the socket assembly 6. The control component 4 is electrically connected to the vacuum pump 22, the power connection component 5 and the switch assembly 3 respectively.

[0032] The connector assembly 6 includes a power cord 61 and a USB plug 62. One end of the power cord 61 is connected to the power connection component 5, and the other end is connected to the USB plug 62. This enables external power supply, solving the battery life problem of the built-in battery. Furthermore, the power cord 61 can be in various shapes, such as a straight line or a coiled cord.

[0033] The housing assembly 1 includes a front shell 11, a rear shell 12, and a connecting shell 13. A front connecting groove 111 with an arc-shaped top and parallel sides is provided on the upper outer periphery of the rear side of the front shell 11. A rear connecting groove 121 adapted to the front connecting groove 111 is provided on the upper outer periphery of the front side of the rear shell 12. A front recess 112 is provided at both ends of the front connecting groove 111. A rear recess 122 adapted to the front recess 112 is provided at both ends of the rear connecting groove 121. A positioning hole 131 is provided at both ends of the connecting shell 13. A positioning post 132 is provided on the positioning hole 131. The outer end of the positioning post 132 is riveted to the positioning hole 131. A rivet 133 is riveted to the inner end of the positioning post 132. A snap-fit ​​part 134 is formed between the connecting shell 13 and the rivet 133, which can snap with the front recess 112 and the rear recess 122. The design of the connecting shell 13 protects the joint between the front shell 11 and the rear shell 12, extending the service life of the handheld vacuum pump.

[0034] This invention provides a handheld vacuum pump that is not only compact and easy to operate, but also uses an external power source, solving the battery life problem of the built-in battery.

[0035] Furthermore, the connecting shell 13 is provided with several strip grooves 135, thereby increasing the friction between the user's hand and the shell assembly 1.

[0036] Furthermore, the upper end of the front housing 11 is provided with a front opening 113, and a transverse retaining ring 1131 is provided radially in the front opening 113. A front connecting ring 1132 is provided on the outer side of the front opening 113. The sealing assembly 21 includes a positioning pad 23 for fixing the vacuum pump 22. A sealing sheet 24 is provided at the front end of the positioning pad 23. A first retaining groove 25 is formed between the positioning pad 23 and the sealing sheet 24. The transverse retaining ring 1131 is engaged in the first retaining groove 25. A sealing lip 26 is provided on the outer side of the sealing sheet 24. A second retaining groove 27 is recessed inward on the rear side of the sealing lip 26. The front connecting ring 1132 is inserted into the second retaining groove 27. Through the vertical design of the transverse retaining ring 1131 and the front connecting ring 1132, the connection between the sealing assembly 21 and the front housing 11 is more stable, preventing the sealing assembly 21 from easily falling off the front housing 11 during use.

[0037] Preferably, the second slot 27 is interference-fitted with the front connecting ring 1132, and the first slot 25 is interference-fitted with the transverse retaining ring 1131. This ensures a secure connection between the sealing assembly 21 and the front housing 11.

[0038] Furthermore, the positioning pad 23 has a first air intake 28 in the middle, and the sealing sheet 24 has a second air intake 29 in the middle. The circumference of the first air intake 28 is larger than that of the second air intake 29, and they are connected. The vacuum pump 22 can vacuum the food storage bag or vacuum-sealed bag through the first air intake 28 and the second air intake 29.

[0039] Furthermore, the vacuum pump 22 is provided with an air suction nozzle 221 at its front end, and the air suction nozzle 221 is interference-fitted with the first air intake port 28. This ensures the airtightness between the air suction nozzle 221 and the first air intake port 28.

[0040] Furthermore, the lower part of the rear shell 12 is provided with a rear opening 123, and a rear positioning part 124 extends into the inner side of the rear opening 123. The switch assembly 3 includes a pressing head 31, a rear locking part 32, and a contact post 33. The pressing head 31 is disposed on the rear opening 123. The rear locking part 32 is inside the rear shell 12 and locked outside the rear positioning part 124. The rear end of the contact post 33 is provided with an end groove 34 and contacts the control component 4. The pressing head 31, the rear locking part 32, and the contact post 33 are integrally formed. The design of the switch assembly 3, especially the design of the rear locking part 32, makes the switch assembly 3 more secure within the rear shell 12 and prevents it from easily shifting.

[0041] Furthermore, the bottom of the front shell 11 is provided with a front power groove 114, and the bottom of the rear shell 12 is provided with a matching rear power groove 125. A power connection component 5 is installed between the front power groove 114 and the rear power groove 125, and the bottom of the power connection component 5 is connected to the wire 61. This design eliminates the need for a built-in battery in the handheld vacuum pump. The power connection component 5 can be connected to power components such as data cables, obtaining power through a connection to a mobile phone or other means. This not only minimizes the size of the handheld vacuum pump but also accommodates multiple power connection methods, making it convenient for users to charge and use.

[0042] Preferably, the upper middle part of the rear shell 12 is flat and extends in an arc towards the rear opening 123. This conforms to the characteristics of human body structure and facilitates the placement of the user's palm and thumb.

[0043] It is worth mentioning that the connector assembly 6 also includes a Type-C plug 63 and a connecting cable 64, with the Type-C plug 63 and the USB plug 62 connected via the connecting cable 64. The Type-C plug 63 and USB plug 62 are currently the mainstream connectors, and the design of the connecting cable 64 allows users to carry both the Type-C plug 63 and the USB plug 62 simultaneously. The handheld vacuum pump is equipped with these plugs, allowing users to choose between directly using the USB plug 62 or plugging the Type-C plug 63 into the USB plug 62, depending on the power interface characteristics (e.g., a mobile phone), thereby increasing the usage scenarios for the handheld vacuum pump.

[0044] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A handheld vacuum pump, characterized in that: It includes a housing assembly (1), a vacuum assembly (2), a switch assembly (3), a control component (4), a power connection component (5), and a socket assembly (6). The vacuum assembly (2) includes a sealing assembly (21) and a vacuum pump (22). The vacuum pump (22) is disposed inside the housing assembly (1). The sealing assembly (21) is on the housing assembly (1) and passes through the housing assembly (1) and is connected to the vacuum pump (22). The switch assembly (3) is disposed on the rear side of the housing assembly (1). The control component (4) is disposed inside the housing assembly (1). The power connection component (5) is disposed at the bottom end of the housing assembly (1) and is connected to the socket assembly (6). The control component (4) is electrically connected to the vacuum pump (22), the power connection component (5) and the switch assembly (3) respectively. The socket assembly (6) includes a wire (61) and a USB plug (62). One end of the wire (61) is connected to the power connection component (5), and the other end is connected to the USB plug (62). The housing assembly (1) includes a front shell (11), a rear shell (12), and a connecting shell (13). A front connecting groove (111) with an arc-shaped top and parallel sides is provided on the upper outer periphery of the rear side of the front shell (11). A rear connecting groove (121) adapted to the front connecting groove (111) is provided on the upper outer periphery of the front side of the rear shell (12). Front recesses (112) are provided at both ends of the front connecting groove (111), and rear recesses (121) are provided at both ends of the rear connecting groove (122) adapted to the front recesses (112). The rear recess (122) is provided with positioning holes (131) at both ends of the connecting shell (13). Positioning pins (132) are provided on the positioning holes (131). The outer end of the positioning pins (132) is riveted to the positioning holes (131). The inner end of the positioning pins (132) is riveted with rivets (133). A snap-fit ​​part (134) is formed between the connecting shell (13) and the rivets (133) that can snap into the front recess (112) and the rear recess (122).

2. The handheld vacuum pump according to claim 1, characterized in that: The connecting shell (13) is provided with several strip grooves (135).

3. The handheld vacuum pump according to claim 1, characterized in that: The front shell (11) has a front opening (113) at its upper end. A transverse retaining ring (1131) is provided in the radial direction of the front opening (113). A front connecting ring (1132) is provided on the outside of the front opening (113). The sealing assembly (21) includes a positioning pad (23) for fixing the vacuum pump (22). A sealing sheet (24) is provided at the front end of the positioning pad (23). A first groove (25) is formed between the positioning pad (23) and the sealing sheet (24). The transverse retaining ring (1131) is engaged in the first groove (25). A sealing lip (26) is provided on the outside of the sealing sheet (24). A second groove (27) is recessed inward on the rear side of the sealing lip (26). The front connecting ring (1132) is inserted into the second groove (27).

4. A handheld vacuum pump according to claim 3, characterized in that: The second slot (27) is press-fitted to the front connecting ring (1132), and the first slot (25) is press-fitted to the transverse locking ring (1131).

5. A handheld vacuum pump according to claim 4, characterized in that: The positioning pad (23) has a first air intake (28) in the middle, and the sealing sheet (24) has a second air intake (29) in the middle. The circumference of the first air intake (28) is larger than that of the second air intake (29) and they are connected.

6. A handheld vacuum pump according to claim 5, characterized in that: The vacuum pump (22) is equipped with a suction nozzle (221) at the front end, and the suction nozzle (221) is interference-fitted with the first suction port (28).

7. A handheld vacuum pump according to any one of claims 1-6, characterized in that: The lower part of the rear shell (12) is provided with a rear opening (123), and a rear positioning part (124) extends into the inner side of the rear opening (123). The switch assembly (3) includes a pressing head (31), a rear locking part (32) and a contact post (33). The pressing head (31) is disposed on the rear opening (123). The rear locking part (32) is inside the rear shell (12) and locked outside the rear positioning part (124). The rear end of the contact post (33) is provided with an end groove (34) and contacts the control component (4). The pressing head (31), the rear locking part (32) and the contact post (33) are integrally formed.

8. A handheld vacuum pump according to any one of claims 1-6, characterized in that: The front shell (11) has a front power groove (114) at the bottom and the rear shell (12) has a matching rear power groove (125) at the bottom. A power connection component (5) is installed between the front power groove (114) and the rear power groove (125). The bottom of the power connection component (5) is connected to the wire (61).

9. A handheld vacuum pump according to claim 7, characterized in that: The upper middle part of the rear shell (12) is flat and extends in an arc shape towards the rear opening (123).

10. A handheld vacuum pump according to any one of claims 1-6, characterized in that: The connector assembly (6) also includes a Type-C plug (63) and a connecting cable (64), wherein the Type-C plug (63) and the USB plug (62) are connected via the connecting cable (64).

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