Pneumatic booster pump

Abstract

The utility model discloses a pneumatic booster pump which comprises a pressure cylinder and a driving cylinder, a pressure piston is arranged in the pressure cylinder, a pressure input port is formed in the side edge of the pressure cylinder, a pressure output port is formed in the side, located on the pressure input port, of the pressure cylinder, and the end, located outside the pressure cylinder, of the pressure piston is connected with a push rod. The booster pump has the advantages that the first valve element, the second valve element, the third valve element and the fourth valve element are arranged in a medium driving loop in the driving cylinder on the booster pump, so that the operation stability of the booster pump can be improved, and the service life of the booster pump is prolonged; when the valve element is replaced, the valve element can be taken out only by loosening the sealing plug corresponding to the valve element, the structure is compact, and convenience and rapidness are achieved.

Description

Technical Field

[0001] This utility model relates to the field of booster pump technology, specifically to a pneumatic booster pump. Background Technology

[0002] Booster pumps are widely used in valves, pipe fittings, and pressure vessels. Existing booster pumps have complex structures, poor stability, and are prone to valve jamming during operation, resulting in low efficiency. Furthermore, while some existing cylinder-type booster pumps have a return spring, the restoring force of the compound spring is unstable, and the spring force decreases due to fatigue, leading to unstable pressure, poor sealing, and difficult maintenance. Therefore, this paper proposes a pneumatic booster pump to solve these problems. Utility Model Content

[0003] To solve the problems mentioned above, the technical solution adopted by this utility model is: a pneumatic booster pump, comprising: a booster cylinder and a drive cylinder, wherein a booster piston is provided inside the booster cylinder, a booster input port is provided on the side of the booster cylinder, a booster output port is provided on the side of the booster cylinder located at the booster input port, a push rod is connected to one end of the booster piston located outside the booster cylinder, a piston groove is provided inside the drive cylinder, a drive piston is connected inside the piston groove, and a drive medium inlet is provided at the end of the drive cylinder.

[0004] As a preferred embodiment of the present invention, a first valve core is provided inside the drive cylinder at one end of the piston groove, and a second valve core is provided inside the drive cylinder at the other end of the piston groove.

[0005] As a preferred embodiment of this utility model, a third valve core is provided inside the drive cylinder at one end of the first valve core, and a fourth valve core is provided inside the drive cylinder at one end of the second valve core.

[0006] As a preferred embodiment of this utility model, the drive cylinder has a connecting groove between the first valve core and the second valve core, and the drive cylinder also has a connecting groove between the third valve core and the fourth valve core.

[0007] As a preferred technical solution of this utility model, the piston groove is connected to the driving medium inlet and the connecting groove, the driving cylinder is threaded with a plug on the side facing the first valve core, and the driving cylinder is threaded with a sealing plug on the side facing the second valve core, the third valve core and the fourth valve core.

[0008] As a preferred embodiment of this utility model, one end of the driving piston is connected to a push rod, a support rod is provided between the driving cylinder and the booster cylinder, and four support rods are provided. A pressure relief port is provided on the side of the driving cylinder between the third valve core and the fourth valve core, and the pressure relief port is connected to the connecting groove.

[0009] The utility model has the advantages that: the utility model is provided with the first valve core, the second valve core, the third valve core and the fourth valve core in the drive cylinder of the booster pump, which can improve the stability of the booster pump, and when the valve core is replaced, only the sealing plug at the corresponding valve core needs to be loosened, and then the valve core can be taken out, so that the structure is compact and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the preferred embodiment of the utility model;

[0011] Figure 2 It is the sectional structure schematic diagram of the preferred embodiment of the utility model;

[0012] Figure 3 It is the first valve core structure schematic diagram of the preferred embodiment of the utility model;

[0013] Figure 4 It is the hole plug structure schematic diagram of the preferred embodiment of the utility model.

[0014] The figure mark explanation: 1, the booster cylinder;2, the booster piston;3, the booster input port;4, the booster output port;5, the push rod;6, the support rod;7, the drive cylinder;8, the piston groove;9, the drive piston;10, the drive medium inlet;11, the first valve core;12, the second valve core;13, the third valve core;14, the fourth valve core;15, the pressure relief port;16, the sealing plug;17, the hole plug;18, the communication groove. DETAILED DESCRIPTION

[0015] The technical scheme of the utility model will be described clearly and completely in combination with the drawings. In the description of the utility model, it should be explained that the orientation or position relation of the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it should not be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and should not be understood as indicating or implying the importance of the opposite.

[0016] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0017] The utility model is further described below in combination with the drawings.

[0018] Please see Figures 1-4 The utility model discloses a pneumatic booster pump, it includes: booster cylinder 1 and drive cylinder 7, the inside booster cylinder 1 is provided with booster piston 2, and the side of booster cylinder 1 is provided with booster input 3, and the side of booster cylinder 1 is provided with booster output 4 at booster input 3, and the one end of booster piston 2 is connected with push rod 5 outside booster cylinder 1, and the inside drive cylinder 7 is provided with piston groove 8, and the inside piston groove 8 is connected with drive piston 9, and the end of drive cylinder 7 is provided with drive medium inlet 10.

[0019] Combination Figure 2 As shown in the drawing, wherein the inside drive cylinder 7 is provided with first valve core 11 at one end of piston groove 8, the inside drive cylinder 7 is provided with second valve core 12 at the other end of piston groove 8, the inside drive cylinder 7 is provided with third valve core 13 at one end of first valve core 11, the inside drive cylinder 7 is provided with fourth valve core 14 at one end of second valve core 12, the drive cylinder 7 is provided with communication groove 18 between first valve core 11 and second valve core 12, and the drive cylinder 7 is also provided with communication groove 18 between third valve core 13 and fourth valve core 14, and the inside drive cylinder 7 gas circuit reaches the effect of flow through through communication groove 18, wherein first valve core 11 and fourth valve core 14 are the same as switch, and second valve core 12 and third valve core 13 are the same as switch.

[0020] Wherein, the piston groove 8 is communicated with the drive medium inlet 10 and the communication groove 18, and the medium can be oil, water, gas, the drive cylinder 7 is screw connected with the hole plug 17 on the side opposite to the first valve core 11, the drive gas can flow normally through the hole plug 17, the drive cylinder 7 is screw connected with the sealing plug 16 on the side opposite to the second valve core 12, the third valve core 13 and the fourth valve core 14, the drive piston 9 is connected with the push rod 5, the drive cylinder 7 and the booster cylinder 1 are provided with support rod 6, the support rod 6 is provided with four, the drive cylinder 7 is provided with pressure relief port 15 on the side between the third valve core 13 and the fourth valve core 14, and the pressure relief port 15 is communicated with the communication groove 18.

[0021] Specifically, in use, the driving medium enters the hole plug 17 inside the driving cylinder 7 from the driving medium inlet 10, at this time the second valve core 12 and the third valve core 13 are closed, the first valve core 11 and the fourth valve core 14 are opened, and then the driving medium enters the piston groove 8 inside through the first valve core 11, and then drives the driving piston 9, and then the driving piston 9 drives the supercharging piston 2 through the push rod 5, when the driving piston 9 moves to the second valve core 12, the second valve core 12 and the third valve core 13 are opened, the first valve core 11 and the fourth valve core 14 are closed, then the medium enters the second valve core 12 through the communication groove 18, and then enters the piston groove 8 inside through the second valve core 12, thereby reversely driving the driving piston 9, so that the reciprocating motion of the supercharging piston 2 inside the supercharging cylinder 1 can be realized to supercharge the medium passing through.

[0022] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements should also be considered the protection scope of the utility model.

[0023] Other parts not detailed in the utility model are all prior art, so here is not repeated.

[0024] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, rather than limit it;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features;And these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A gas boost pump comprising: The booster cylinder (1) and the drive cylinder (7) are characterized in that the booster cylinder (1) is internally provided with a booster piston (2), the booster cylinder (1) is provided with a booster input port (3) on the side, the booster cylinder (1) is provided with a booster output port (4) on the side of the booster input port (3), the booster piston (2) is connected with a push rod (5) at one end outside the booster cylinder (1), the drive cylinder (7) is internally provided with a piston groove (8), the piston groove (8) is internally connected with a drive piston (9), and the drive cylinder (7) is provided with a drive medium inlet (10) at the end.

2. A pump as claimed in claim 1, wherein The drive cylinder (7) is provided with a first valve core (11) at one end of the piston groove (8) inside, and the drive cylinder (7) is provided with a second valve core (12) at the other end of the piston groove (8) inside.

3. A pump as defined in claim 1, wherein The drive cylinder (7) is provided with a third valve core (13) at one end of the first valve core (11) inside, and the drive cylinder (7) is provided with a fourth valve core (14) at one end of the second valve core (12) inside.

4. A pump as defined in claim 1, wherein The drive cylinder (7) is provided with a communication groove (18) between the first valve core (11) and the second valve core (12), and the drive cylinder (7) is also provided with a communication groove (18) between the third valve core (13) and the fourth valve core (14).

5. A supercharging pump as claimed in claim 1, wherein The piston groove (8) is in communication with the drive medium inlet (10) and the communication groove (18), the drive cylinder (7) is provided with a hole plug (17) on the side opposite to the first valve core (11) and is threadedly connected, the drive cylinder (7) is provided with a sealing plug (16) on the side opposite to the second valve core (12), the third valve core (13) and the fourth valve core (14) and is threadedly connected.

6. A supercharged pump as claimed in claim 1, wherein One end of the drive piston (9) is connected with the push rod (5), the drive cylinder (7) and the booster cylinder (1) are provided with a support rod (6), the number of the support rod (6) is four, the drive cylinder (7) is provided with a pressure relief port (15) on the side between the third valve core (13) and the fourth valve core (14), and the pressure relief port (15) is in communication with the communication groove (18).

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