CN218581753U - Core of inflator pump - Google Patents
Core of inflator pump Download PDFInfo
- Publication number
- CN218581753U CN218581753U CN202223076228.8U CN202223076228U CN218581753U CN 218581753 U CN218581753 U CN 218581753U CN 202223076228 U CN202223076228 U CN 202223076228U CN 218581753 U CN218581753 U CN 218581753U
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- assembly
- piston rod
- movement
- driving
- connecting portion
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Abstract
The movement of the inflator pump comprises a movement support, a piston assembly with a piston rod and a driving assembly used for driving the piston rod to reciprocate, the movement further comprises a power assisting assembly used for assisting the resetting of the piston rod, and the power assisting assembly is installed between the driving assembly and the piston assembly. The utility model discloses a be provided with the helping hand subassembly on the core, when piston assembly during operation, reciprocating motion is constantly done to the piston rod, and when the piston rod resets, the helping hand subassembly makes the piston rod continue to move through inertia, avoids the dead phenomenon of card to appear in the piston rod.
Description
Technical Field
The utility model belongs to the technical field of electronic the inflating, concretely relates to core of pump.
Background
The pump core among the prior art, usually including being used for the piston assembly who aerifys, a drive assembly for driving piston assembly work, piston assembly includes cylinder body and piston rod, the one end and the drive assembly of piston rod are connected, the other end is inserted and is located the cylinder body inner chamber, drive through drive assembly down, the piston rod insert the one end of locating the cylinder body inner chamber and carry out reciprocating motion along cylinder body length direction, thereby realize aerifing, however, the piston rod is at cylinder body inner chamber reciprocating motion's in-process, the piston rod is when "the piston rod is pulled out and is switched to the process of impressing the cylinder body from the cylinder body promptly" resetting, the dead phenomenon of card appears easily in the piston rod, influence the normal work of pump core.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an inflator pump's core, it can avoid the dead phenomenon of card to appear in the piston rod.
In order to achieve the above object, the embodiment of the present invention provides a technical solution:
the utility model provides a core of pump, includes core support, has the piston assembly of piston rod and is used for driving piston rod reciprocating motion's drive assembly, still including the helping hand subassembly that is used for helping hand piston rod to reset on the core, the helping hand unit mount is between drive assembly and piston assembly, when the piston rod resets, the helping hand subassembly makes the piston rod continue to move through inertia.
The power assisting assembly comprises a load part, a first connecting part and a second connecting part, wherein the first connecting part is connected with the driving assembly, the second connecting part is connected with the piston assembly, the first connecting part is located in the center of the power assisting assembly, and the load part and the second connecting part are oppositely arranged and located on two sides of the first connecting part.
The first connecting portion is a through hole, and the second connecting portion is a rotating shaft.
The piston assembly further comprises a cylinder body fixed on the movement bracket, the piston rod comprises a rod body, one end of the rod body is inserted into an inner cavity of the cylinder body and reciprocates along the length direction of the cylinder body, and the other end of the rod body is provided with a connecting plate in transmission connection with the second connecting portion.
And a bearing is arranged between the connecting plate and the second connecting part.
The driving assembly comprises a driving motor fixedly mounted on the machine core support, a first driving wheel arranged on an output shaft of the driving motor and rotating along with the output shaft of the driving motor, and a second driving wheel in transmission connection with the first driving wheel and the power-assisted assembly respectively.
And the second driving wheel is provided with a transmission shaft, and the transmission shaft is respectively in transmission connection with the second driving wheel and the power-assisted assembly.
And a bearing is arranged between the transmission shaft and the movement bracket.
The diameter of the first drive wheel is smaller than the diameter of the second drive wheel.
The utility model has the advantages as follows:
the utility model discloses a be provided with the helping hand subassembly on the core, when piston assembly during operation, reciprocating motion is constantly done to the piston rod, and when the piston rod resets, the helping hand subassembly makes the piston rod continue to move through inertia, avoids the dead phenomenon of card to appear in the piston rod, makes the pump core can normally work.
In addition, the driving assembly can drive the piston rod to reset under the assistance of the assistance assembly without applying more force, so that the burden of the driving assembly is reduced.
Drawings
Fig. 1 is a schematic structural view of an inflator core according to an embodiment of the present invention.
Fig. 2 is an exploded view of an inflator core according to an embodiment of the present invention.
Fig. 3 is an exploded view of an inflator core according to an embodiment of the present invention.
Fig. 4 is a schematic view illustrating the piston rod being pulled out from the cylinder according to an embodiment of the present invention.
Fig. 5 is a schematic view illustrating the piston rod being pressed into the cylinder according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an assistant component according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Referring to fig. 1-6, the core of the inflator pump includes a core support 1, a piston assembly 2 having a piston rod 201, and a driving assembly 3 for driving the piston rod 201 to reciprocate, in this embodiment, the piston assembly 2 and the driving assembly 3 are disposed opposite to each other and located at upper and lower ends of the core support 1, the core further includes a power assisting assembly 4 for assisting the resetting of the piston rod 201, the power assisting assembly 4 is installed between the driving assembly 3 and the piston assembly 2, the power assisting assembly 4 is respectively connected to an output end of the driving assembly 3 and the piston rod 201 in a transmission manner, when the piston rod 201 resets, the power assisting assembly 4 enables the piston rod 201 to continue to move through inertia, specifically, when the piston rod 201 resets, that is, when the piston rod 201 is pulled out from the cylinder 202 and switched into the cylinder 202, the power assisting assembly 4 leans on gravity inertia to enable the piston rod 201 to continue to move, so that the piston rod 201 is more easily reset, and the core of the inflator pump can normally operate.
In addition, the driving component 3 can drive the piston rod 201 to reset under the assistance of the assistance component 4 without applying more force, so that the burden of the driving component 3 is reduced, and the driving component 3 with higher power is not required to be configured, so that the production cost of an enterprise can be reduced.
Further, the booster assembly 4 includes a weight portion 401, a first connecting portion 402 connected to the driving assembly 3, and a second connecting portion 403 connected to the piston assembly 2, the first connecting portion 402 is located at the center of the booster assembly 4, the weight portion 401 is disposed opposite to the second connecting portion 403 and located at two sides of the first connecting portion 402, specifically, in this embodiment, the booster assembly 4 is preferably an eccentric wheel in a mushroom shape, the first connecting portion 402 is preferably a through hole and disposed at the center of the booster assembly 4, the second connecting portion 403 is preferably a rotating shaft and disposed at the end of the booster assembly 4, the weight portion 401 is located at the head end of the booster assembly 4, the weight center of the booster assembly 4 is located on the weight portion 401, and when the second connecting portion 403 is connected to the piston rod 201 in a driving manner and moves to a reset "i.e., a process in which the piston rod 201 is pulled out of the cylinder 202 and switched into the cylinder 202", the second connecting portion 403 can continue to move under the gravity inertia of the weight portion 401, so that the piston rod 201 can be reset more easily.
Further, the piston assembly 2 further includes a cylinder 202 fixed on the core support 1, the cylinder 202 is disposed on the upper end surface of the core support 1 and integrally formed with the core support 1, the piston rod 201 includes a rod 203, one end of the rod 203 is inserted into an inner cavity of the cylinder 202 and reciprocates along the length direction of the cylinder 202, the other end of the rod is provided with a connecting plate 204 in transmission connection with the second connecting portion 403, in this embodiment, the end of the rod 203 inserted into the inner cavity of the cylinder 202 is provided with a piston 205, the piston 205 reciprocates in the inner cavity of the cylinder 202 and realizes an inflation process, the connecting plate 204 and the rod 203 are integrally formed, a through hole movably connected with the second connecting portion 403 is disposed in the middle of the rod, and a bearing 5 is disposed between the connecting plate 204 and the second connecting portion 403, so that the frictional resistance between the piston rod 201 and the assisting assembly 4 can be reduced, and the piston rod 201 can move more smoothly when working.
Further, the driving assembly 3 includes a driving motor 301 fixedly mounted on the core frame 1, the driving motor 301 is mounted on the lower end surface of the core frame 1 through a fastening mechanism, a first driving wheel 302 disposed on the output shaft of the driving motor 301 and rotating along with the output shaft of the driving motor 301, and a second driving wheel 303 respectively connected to the first driving wheel 302 and the power assisting assembly 4 in a transmission manner, in this embodiment, the first driving wheel 302 and the second driving wheel 303 are preferably gears, the first driving wheel 302 and the second driving wheel 303 are disposed on the same horizontal plane, the driving motor 301 drives the first driving wheel 302, the first driving wheel 302 is connected to the second driving wheel 303 in a meshing manner and drives the second driving wheel 303, the second driving wheel 303 is connected to the power assisting assembly 4 in a transmission manner and drives the power assisting assembly 4 to rotate, so that the driving motor 301 drives the power assisting assembly 4 to work.
Further, a transmission shaft 304 is arranged on the second driving wheel 303, the transmission shaft 304 is in transmission connection with the second driving wheel 303 and the power assisting assembly 4 respectively, specifically, a first transmission part and a second transmission part are arranged at two ends of the transmission shaft 304 respectively, the second driving wheel 303 corresponds to the first transmission part, a first connection part 402 of the power assisting assembly 4 corresponds to the second transmission part, and a bearing 5 is arranged between the transmission shaft 304 and the movement support 1, so that the frictional resistance between the transmission shaft 304 and the movement support 1 can be reduced, and the transmission shaft 304 can rotate more smoothly.
Further, the diameter of the first driving wheel 302 is smaller than that of the second driving wheel 303, so that the rotating speed of the second driving wheel 303 is smaller than that of the first driving wheel 302.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a core of inflator pump, includes core support (1), piston assembly (2) that have piston rod (201) and be used for driving piston rod (201) reciprocating motion's drive assembly (3), its characterized in that, still including helping hand subassembly (4) that are used for helping hand piston rod (201) to reset on the core, helping hand subassembly (4) are installed between drive assembly (3) and piston assembly (2), when piston rod (201) reset, helping hand subassembly (4) make piston rod (201) continue the motion through inertia.
2. The inflator movement of claim 1, wherein the booster assembly (4) comprises a weight portion (401), a first connecting portion (402) connected to the driving assembly (3), and a second connecting portion (403) connected to the piston assembly (2), the first connecting portion (402) is located at the center of the booster assembly (4), and the weight portion (401) is opposite to the second connecting portion (403) and located on two sides of the first connecting portion (402).
3. The movement of an inflator according to claim 2, wherein the first connecting portion (402) is a through hole, and the second connecting portion (403) is a rotating shaft.
4. The movement of the inflator pump according to claim 2, wherein the piston assembly (2) further comprises a cylinder body (202) fixed on the movement support (1), the piston rod (201) comprises a rod body (203), one end of the rod body (203) is inserted into an inner cavity of the cylinder body (202) and reciprocates along the length direction of the cylinder body (202), and the other end of the rod body is provided with a connecting plate (204) in transmission connection with the second connecting portion (403).
5. Inflator movement according to claim 4, characterized in that a bearing (5) is provided between the connection plate (204) and the second connection portion (403).
6. The movement of the inflator pump according to claim 1, wherein the driving assembly (3) comprises a driving motor (301) fixedly mounted on the movement support (1), a first driving wheel (302) arranged on an output shaft of the driving motor (301) and rotating along with the output shaft of the driving motor (301), and a second driving wheel (303) in transmission connection with the first driving wheel (302) and the power assisting assembly (4) respectively.
7. The movement of the inflator pump according to claim 6, wherein a transmission shaft (304) is provided on the second driving wheel (303), and the transmission shaft (304) is in transmission connection with the power assisting assembly (4) and the second driving wheel (303), respectively.
8. The movement of an inflator according to claim 7, wherein a bearing (5) is disposed between the transmission shaft (304) and the movement support (1).
9. Inflator movement according to claim 6, wherein the diameter of the first drive wheel (302) is smaller than the diameter of the second drive wheel (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076228.8U CN218581753U (en) | 2022-11-18 | 2022-11-18 | Core of inflator pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076228.8U CN218581753U (en) | 2022-11-18 | 2022-11-18 | Core of inflator pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218581753U true CN218581753U (en) | 2023-03-07 |
Family
ID=85378875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223076228.8U Active CN218581753U (en) | 2022-11-18 | 2022-11-18 | Core of inflator pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218581753U (en) |
-
2022
- 2022-11-18 CN CN202223076228.8U patent/CN218581753U/en active Active
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