CN214887539U - Push type inflatable high-pressure hand-pulling air pump - Google Patents
Push type inflatable high-pressure hand-pulling air pump Download PDFInfo
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- CN214887539U CN214887539U CN202120675732.6U CN202120675732U CN214887539U CN 214887539 U CN214887539 U CN 214887539U CN 202120675732 U CN202120675732 U CN 202120675732U CN 214887539 U CN214887539 U CN 214887539U
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Abstract
The utility model relates to a hand power air pump technical field, more specifically relates to a push type aerifys high pressure hand power air pump, including barrel body, piston, upper cover and linkage pipe, the piston sets up inside the barrel body, divide into upper air chamber and lower air chamber with the barrel body, and the upper cover sets up in the upper portion of barrel body, and the linkage pipe wears to establish in the center of upper cover, and the lower extreme and the piston fixed connection of linkage pipe, and linkage pipe upper end is provided with the handle; the upper cover is provided with the notch of giving vent to anger and the dark direction notch and the shallow direction notch that set up in turn, the switch module is including establishing upper cover ejector pin, upper cover carousel, upper cover sealing washer, compression spring and the upper cover preforming on the linkage pipe in proper order, upper cover preforming and upper cover fixed connection, upper cover ejector pin lateral wall is provided with first direction muscle, first direction muscle and dark direction notch sliding fit, upper cover carousel lateral wall is provided with the second direction muscle, through the cooperation that changes second direction muscle and dark direction notch or shallow direction notch, realize one-way aerifing and two-way switching between aerifing.
Description
Technical Field
The utility model relates to a hand power air pump technical field more specifically relates to a high pressure hand power air pump is aerifyd to push type.
Background
The existing hand-pulled air cylinder comprises a one-way inflation hand-pulled air cylinder and a two-way inflation hand-pulled air cylinder, the one-way hand-pulled air cylinder only provides an inflation function in a single stroke during a reciprocating stroke of up and down movement of a piston, the use efficiency is low, and the two-way inflation hand-pulled air cylinder can perform an inflation action during both pushing and pulling two-way strokes.
The bidirectional inflation hand-pulling air cylinder requires good air tightness between the actuating pipe penetrating through the upper cover and the upper cover because the air cylinder also has an air suction and inflation process in the process of pulling the handle upwards, when the handle is pressed downwards to inflate, the gravity of a person also plays a role in pressing down the handle because of the pressing down process, so the pressing down and inflation process is relatively easy, when the handle is pulled upwards to inflate, the gravity of the person cannot play a role in pulling the handle, and the pressure of the upper space of the piston is relatively high, so the force is very great when the handle is continuously pulled by the pulling force of two hands to inflate, particularly when the air pressure of an inflated object is relatively high, the pressure of the upper space of the piston is very great, and at the moment, the handle is very labor-consuming if the handle is continuously pulled upwards again.
In view of the above problems, the solutions of the chinese invention patent "bidirectional inflation high pressure hand pulled inflator" with patent No. 201310332811.7 (publication No. CN 103362776 a) and the chinese utility model patent "a hand pulled inflator" with patent No. 201520362010.X (publication No. CN 204783517U) are provided, but the operation is inconvenient and the stability is weak.
Therefore, there is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a push type inflating high-pressure hand-pulled air pump capable of freely switching bidirectional inflation or unidirectional inflation is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a push type inflation high-pressure hand-pulling air pump comprises a cylinder body, a piston, an upper cover and a linkage pipe, wherein the piston is arranged inside the cylinder body and divides the cylinder body into an upper air chamber and a lower air chamber;
the upper cover is provided with an outer ring and an inner ring, the lower end of the inner ring is provided with an air outlet notch, the center of the outer ring is provided with a valve hole for communicating the upper air chamber with the outside, the lower end of the outer ring is alternately provided with deep guide notches and shallow guide notches along the circumferential direction of the outer ring, and the lower ends of the deep guide notches and the shallow guide notches are connected through a first slope;
the upper cover is provided with a switch component for controlling the upper air chamber to be communicated with the outside, the switch component comprises an upper cover ejector rod, an upper cover rotary table, an upper cover sealing ring, a compression spring and an upper cover pressing sheet, the upper cover pressing sheet is sequentially sleeved on the linkage pipe, the upper cover ejector rod side wall is provided with a first guide rib, the first guide rib is in sliding fit with the deep guide groove opening, the lower end of the upper cover ejector rod is provided with a second slope, the upper cover rotary table side wall is provided with a second guide rib, and the upper side of the upper cover rotary table is provided with a boss matched with the second slope.
Furthermore, the piston comprises an air inlet guide chamber and an air outlet guide chamber, a first upper valve port and a first lower valve port which are communicated with the air inlet guide chamber, the upper air chamber and the lower air chamber, and a second upper valve port and a second lower valve port which are communicated with the air outlet guide chamber, the upper air chamber and the lower air chamber are arranged on the piston, an air inlet breather valve plate which only allows air to enter the upper air chamber or the lower air chamber from the air inlet guide chamber is arranged in the first upper valve port and the first lower valve port, and an air outlet breather valve plate which only allows air to enter the air outlet guide chamber from the upper air chamber or the lower air chamber is arranged in the second upper valve port and the second lower valve port.
Furthermore, the linkage pipe comprises an outer pipe and an inner pipe, the lower end of the outer pipe is communicated with the air inlet and guide chamber, the lower end of the inner pipe is communicated with the air outlet and guide chamber, an air inlet and an air outlet are respectively arranged on two sides of the handle, the upper end of the inner pipe is communicated with the air outlet, and the upper end of the outer pipe is communicated with the air inlet.
Further, a piston ring is embedded outside the piston.
Furthermore, the piston comprises a base and a bottom cover which are bonded with each other, a first threaded hole communicated with the air inlet and guide chamber is formed in the base and connected with the outer pipe through the first threaded hole, a first inserting hole communicated with the air outlet and guide chamber is formed in the base, and the first inserting hole is connected with the inner pipe.
Furthermore, the handle lower extreme is provided with second screw hole and second spliced eye coaxially, second screw hole upper end and air inlet intercommunication, second screw hole lower extreme and outer tube threaded connection, second spliced eye upper end and gas outlet intercommunication, second spliced eye lower extreme and inner tube connection.
Furthermore, a pressure gauge is fixedly arranged at the upper end of the handle, and a sensing end of the pressure gauge is arranged in the inner pipe.
Furthermore, the first upper valve port, the first lower valve port, the second upper valve port and the second lower valve port are all provided with two.
Furthermore, the lower end of the cylinder body is fixedly connected with a base.
Compared with the prior art, the utility model beneficial effect who has does:
1. this hand power air pump simple structure, convenient operation only needs to press down the upper cover ejector pin, alright realize one-way inflation and two-way inflated switching.
2. The utility model discloses a position of dark direction notch, shallow direction notch and compression spring control upper cover sealing washer, through the position that changes the upper cover sealing washer and then change the break-make of air chamber and outside air, and then switch one-way aerifing and two-way aerifing.
3. The utility model discloses can freely switch one-way aerifing and two-way aerifing, when the pressure of aerifing is littleer, adopt two-way aerifing to improve and aerify efficiency, when the pressure of aerifing is great, adopt one-way aerifing to reduce and aerify the degree of difficulty.
Drawings
The following will explain in further detail embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion B of FIG. 1;
FIG. 3 is an enlarged view of a portion C of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of FIG. 1;
FIG. 5 is an enlarged view of a portion D of FIG. 4;
FIG. 6 is an enlarged view of E of FIG. 4 (bi-directionally inflated);
FIG. 7 is a view of the operating position of the switch assembly in the one-way inflation state;
fig. 8 is an exploded view of the upper cover of the present invention;
fig. 9 is a schematic view of the piston structure of the present invention.
1-cylinder body, 11-upper air chamber, 12-lower air chamber, 13-base, 2-piston, 21-air inlet air guide chamber, 211-first upper valve port, 212-first lower valve port, 213-air inlet breather valve plate, 22-air outlet air guide chamber, 221-second upper valve port, 222-second lower valve port, 223-air outlet breather valve plate, 23-piston ring, 24-base, 241-first threaded hole, 242-first plug hole, 25-bottom cover, 3-upper cover, 31-outer ring, 32-inner ring, 33-air outlet notch, 34-valve hole, 35-deep guide notch, 36-shallow guide notch, 37-first slope, 4-linkage pipe, 41-outer pipe, 42-inner pipe, 5-switch component, 51-upper cover ejector rod, 511-first guide rib, 512-second slope, 52-upper cover turntable, 521-second guide rib, 522-boss, 53-upper cover sealing ring, 54-compression spring, 55-upper cover pressing sheet, 6-handle, 61-air inlet, 62-air outlet, 63-second threaded hole, 64-second plug hole and 7-pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 9, a press type inflation high-pressure hand-pulling air pump comprises a cylinder body 1, a piston 2, an upper cover 3 and a linkage pipe 4, wherein the piston 2 is arranged inside the cylinder body 1 to divide the cylinder body 1 into an upper air chamber 11 and a lower air chamber 12, the upper cover 3 is arranged at the upper part of the cylinder body 1, the linkage pipe 4 penetrates through the center of the upper cover 3, the lower end of the linkage pipe 4 is fixedly connected with the piston 2, and a handle 6 is arranged at the upper end of the linkage pipe 4;
the piston 2 comprises an air inlet air guide chamber 21 and an air outlet air guide chamber 22, a first upper valve port 211 communicating the air inlet air guide chamber 21 with the upper air chamber 11, a first lower valve port 212 communicating the air inlet air guide chamber 21 with the lower air chamber 12, a second upper valve port 221 communicating the air outlet air guide chamber 22 with the upper air chamber 11, and a second lower valve port 222 communicating the air outlet air guide chamber 22 with the lower air chamber 12 are arranged on the piston 2, an air inlet breather sheet 213 only allowing air to enter the upper air chamber 11 or the lower air chamber 12 from the air inlet air guide chamber 21 is arranged in the first upper valve port 211 and the first lower valve port 212, and an air outlet breather sheet 223 only allowing air to enter the air outlet air guide chamber 22 from the upper air chamber 11 or the lower air chamber 12 is arranged in the second upper valve port 221 and the second lower valve port 222.
Two first upper valve ports 211, two first lower valve ports 212, two second upper valve ports 221 and two second lower valve ports 222 are arranged, and the air flow is increased in a limited space.
The piston 2 comprises a base 24 and a bottom cover 25 which are bonded with each other, a first threaded hole 241 communicated with the air inlet and guide chamber 21 is arranged on the base 24 and is connected with the outer tube 41 through the first threaded hole 241, a first inserting hole 242 communicated with the air outlet and guide chamber 22 is arranged on the base 24, and the first inserting hole 242 is connected with the inner tube 42.
The linkage pipe 4 comprises an outer pipe 41 and an inner pipe 42, the lower end of the outer pipe 41 is communicated with the air inlet guide chamber 21, the lower end of the inner pipe 42 is communicated with the air outlet guide chamber 22, an air inlet 61 and an air outlet 62 are respectively arranged on two sides of the handle 6, the upper end of the inner pipe 42 is communicated with the air outlet 62, and the upper end of the outer pipe 41 is communicated with the air inlet 61.
The upper cover 3 is provided with an outer ring 31 and an inner ring 32, the lower end of the inner ring 32 is provided with an air outlet notch 33, the middle part of the outer ring 31 is provided with a valve hole 34 for communicating the upper air chamber 11 with the outside, the lower end of the outer ring 31 is alternately provided with deep guide notches 35 and shallow guide notches 36 along the circumferential direction of the outer ring, and the lower ends of the deep guide notches 35 and the shallow guide notches 36 are connected through a first slope 37;
the upper cover 3 is provided with a switch component 5 for controlling the upper air chamber 11 to be communicated with the outside, the switch component 5 comprises an upper cover ejector rod 51, an upper cover turntable 52, an upper cover sealing ring 53, a compression spring 54 and an upper cover pressing sheet 55 which are sequentially sleeved on the linkage pipe 4, the upper cover pressing sheet 55 is fixedly connected with the upper cover 3, the side wall of the upper cover ejector rod 51 is provided with a first guide rib 511, the first guide rib 511 is in sliding fit with the deep guide groove opening 35, the lower end of the upper cover ejector rod 51 is provided with a second slope 512, the side wall of the upper cover turntable 52 is provided with a second guide rib 521, and the upper side of the upper cover turntable 52 is provided with a boss 522 matched with the second slope 512.
The lower end of the handle 6 is coaxially provided with a second threaded hole 63 and a second inserting hole 64, the upper end of the second threaded hole 63 is communicated with the air inlet 61, the lower end of the second threaded hole 63 is in threaded connection with the outer pipe 41, the upper end of the second inserting hole 64 is communicated with the air outlet 62, and the lower end of the second inserting hole 64 is connected with the inner pipe 42.
The upper end of the handle 6 is fixedly provided with a pressure gauge 7, and the sensing end of the pressure gauge 7 is arranged in the inner tube 42.
The lower end of the cylinder body 1 is fixedly connected with a base 13.
The working principle is as follows:
1) the bidirectional working state is as follows: when the first guiding rib 511 of the upper cover ejector rod 51 and the second guiding rib 521 of the upper cover turntable 52 are both located in the deep guiding notch 35 of the upper cover outer ring 31, the upper cover sealing ring 53 moves upwards to exceed the air outlet notch 33 under the pushing of the compression spring 54, the upper cover 3 and the linkage rod 4 are sealed through the upper cover sealing ring 53, and the upper air chamber 11 is blocked from the valve hole 34.
At this time, the air in the upper chamber 11 cannot be discharged through the valve hole 34, and only enters the outlet air guide chamber 22 through the second upper valve port 221 of the outlet air guide chamber 22, and then inflates the load through the air outlet 62.
2) The one-way working state is as follows: the upper cover push rod 51 is pressed to force the upper cover rotating disc 52 to move downwards, when the second guide rib 521 of the upper cover rotating disc 52 leaves the deep guide notch 35, the second slope 512 at the lower end of the upper cover push rod 51 interacts with the boss 522 at the upper end of the upper cover rotating disc 52 to enable the upper cover rotating disc 52 to rotate, then the upper cover push rod 51 is loosened, the second guide rib 521 of the upper cover rotating disc 52 interacts with the first slope 37 of the upper cover outer ring 31 to enable the upper cover rotating disc 52 to continue to rotate until the second guide rib 521 enters the shallow guide notch 36, at the moment, the upper air chamber 11 is communicated with the valve hole, and when the handle is pulled upwards, air in the upper air chamber 11 is discharged through the valve hole, and no work is done outwards.
3) And (5) recovering the bidirectional working state again: and (3) pressing the upper cover ejector rod 51, so that the upper cover turntable 52 rotates under the action of the first slope 37 and the second slope 512 until the second guide rib 521 is matched with the deep guide notch 35, and at the moment, the upper cover sealing ring 53 moves upwards under the pushing of the compression spring 54, and is restored to the working state of the step 1, so that bidirectional inflation is realized.
Example 2:
this example differs from example 1 in that:
the structure of the piston, the linkage pipe and the handle of the utility model can also adopt the piston, the linkage pipe and the handle disclosed in the background technology.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (9)
1. The utility model provides a high pressure hand power air pump is aerifyd to push type, includes stack shell (1), piston (2), upper cover (3) and linkage pipe (4), its characterized in that: the piston (2) is arranged in the barrel body (1) to divide the barrel body (1) into an upper air chamber (11) and a lower air chamber (12), the upper cover (3) is arranged at the upper part of the barrel body (1), the linkage pipe (4) penetrates through the center of the upper cover (3), the lower end of the linkage pipe (4) is fixedly connected with the piston (2), and the upper end of the linkage pipe (4) is provided with a handle (6);
an outer ring (31) and an inner ring (32) are arranged on the upper cover (3), an air outlet notch (33) is formed in the lower end of the inner ring (32), a valve hole (34) for communicating the upper air chamber (11) with the outside is formed in the center of the outer ring (31), deep guide notches (35) and shallow guide notches (36) are alternately formed in the lower end of the outer ring (31) along the circumferential direction of the outer ring, and the lower ends of the deep guide notches (35) and the shallow guide notches (36) are connected through first slopes (37);
the upper cover is characterized in that a switch component (5) for controlling the upper air chamber (11) to be communicated with the outside is arranged on the upper cover (3), the switch component (5) comprises an upper cover ejector rod (51), an upper cover turntable (52), an upper cover sealing ring (53), a compression spring (54) and an upper cover pressing sheet (55) which are sequentially sleeved on the linkage pipe (4), the upper cover pressing sheet (55) is fixedly connected with the upper cover (3), a first guide rib (511) is arranged on the side wall of the upper cover ejector rod (51), the first guide rib (511) is in sliding fit with the deep guide notch (35), a second slope (512) is arranged at the lower end of the upper cover ejector rod (51), a second guide rib (521) is arranged on the side wall of the upper cover turntable (52), and a boss (522) matched with the second slope (512) is arranged on the upper side of the upper cover turntable (52).
2. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the piston (2) comprises an air inlet air guide chamber (21) and an air outlet air guide chamber (22), a first upper valve port (211) and a first lower valve port (212) which are communicated with the air inlet air guide chamber (21), the upper air chamber (11) and the lower air chamber (12) are arranged on the piston (2), a second upper valve port (221) and a second lower valve port (222) which are communicated with the air outlet air guide chamber (22), the upper air chamber (11) and the lower air chamber (12) are arranged, an air inlet breathing valve plate (213) which only allows air to enter the upper air chamber (11) or the lower air chamber (12) from the air inlet air guide chamber (21) is arranged in the first upper valve port (211) and the first lower valve port (212), and an air outlet breathing valve plate (223) which only allows air to enter the air outlet air guide chamber (22) from the upper air chamber (11) or the lower air chamber (12) is arranged in the second upper valve port (221) and the second lower valve port (222).
3. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the linkage pipe (4) comprises an outer pipe (41) and an inner pipe (42), the lower end of the outer pipe (41) is communicated with the air inlet and guide chamber (21), the lower end of the inner pipe (42) is communicated with the air outlet and guide chamber (22), an air inlet (61) and an air outlet (62) are respectively arranged on two sides of the handle (6), the upper end of the inner pipe (42) is communicated with the air outlet (62), and the upper end of the outer pipe (41) is communicated with the air inlet (61).
4. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: and a piston ring (23) is embedded on the outer side of the piston (2).
5. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the piston (2) comprises a base (24) and a bottom cover (25) which are bonded with each other, a first threaded hole (241) communicated with the air inlet and guide chamber (21) is formed in the base (24) and connected with the outer pipe (41) through the first threaded hole (241), a first inserting hole (242) communicated with the air outlet and guide chamber (22) is formed in the base (24), and the first inserting hole (242) is connected with the inner pipe (42).
6. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the handle (6) lower extreme is provided with second screw hole (63) and second spliced eye (64) coaxially, and second screw hole (63) upper end and air inlet (61) intercommunication, second screw hole (63) lower extreme and outer tube (41) threaded connection, second spliced eye (64) upper end and gas outlet (62) intercommunication, second spliced eye (64) lower extreme and inner tube (42) are connected.
7. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the upper end of the handle (6) is fixedly provided with a pressure gauge (7), and the induction end of the pressure gauge (7) is arranged in the inner pipe (42).
8. The push type inflating high pressure hand-pulling air pump as claimed in claim 2, wherein: two first upper valve ports (211), two first lower valve ports (212), two second upper valve ports (221) and two second lower valve ports (222) are arranged.
9. The push type inflating high pressure hand-pulling air pump as claimed in claim 1, wherein: the lower end of the cylinder body (1) is fixedly connected with a base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675732.6U CN214887539U (en) | 2021-04-02 | 2021-04-02 | Push type inflatable high-pressure hand-pulling air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675732.6U CN214887539U (en) | 2021-04-02 | 2021-04-02 | Push type inflatable high-pressure hand-pulling air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887539U true CN214887539U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120675732.6U Active CN214887539U (en) | 2021-04-02 | 2021-04-02 | Push type inflatable high-pressure hand-pulling air pump |
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| Country | Link |
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| CN (1) | CN214887539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479013A (en) * | 2022-10-08 | 2022-12-16 | 萨震压缩机（上海）有限公司 | Dry-type oilless air compressor adopting high-speed direct drive |
-
2021
- 2021-04-02 CN CN202120675732.6U patent/CN214887539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479013A (en) * | 2022-10-08 | 2022-12-16 | 萨震压缩机（上海）有限公司 | Dry-type oilless air compressor adopting high-speed direct drive |
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