CN221096741U - Dynamic circulation structure of piston type pneumatic pump - Google Patents
Dynamic circulation structure of piston type pneumatic pump Download PDFInfo
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- CN221096741U CN221096741U CN202322719400.5U CN202322719400U CN221096741U CN 221096741 U CN221096741 U CN 221096741U CN 202322719400 U CN202322719400 U CN 202322719400U CN 221096741 U CN221096741 U CN 221096741U
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- 239000007789 gas Substances 0.000 description 57
- 239000003921 oil Substances 0.000 description 41
- 239000007788 liquid Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a power circulation structure of a piston type pneumatic pump, which comprises an oil pressure mechanism, wherein a pump body is arranged above the oil pressure mechanism, a piston rod assembly matched with the oil pressure mechanism is arranged inside a cavity of the pump body, the pneumatic mechanism is arranged above the pump body, the piston rod assembly reciprocates in the pump body, and a gas circulation pipeline is arranged between the pump body and the pneumatic mechanism.
Description
Technical Field
The utility model belongs to the technical field of pneumatic pumps, and particularly relates to a power circulation structure of a piston type pneumatic pump.
Background
The pneumatic pump is a mechanism for delivering liquid or pressurizing liquid by taking a low-pressure air source as an energy source. Pumps in the broad sense are machines that deliver or pressurize fluids, including some that deliver gases. The pump imparts mechanical or other energy from the prime mover to the liquid, causing the liquid to increase in energy.
Pneumatic pumps are widely applied in various industries, various types of pneumatic pumps are continuously developed, wherein piston type pneumatic pumps are most widely used, and application number CN201710065245.6 discloses an oil pressure pneumatic pump which mainly solves the problems that: the problem of "unsmooth, mechanical regulation precision is low when hydraulic oil output device supplies oil in the past", but in long-term use, derived a new problem: when the high-frequency work is carried out, 1, the air inlet is directly shunted to the distribution port, the touch cavity and the reversing cavity, the direct loss of air is large, 2, when the air enters the reversing valve and the pushing valve from the air inlet, the air reversing is carried out by virtue of the interaction of the air exchange spring and the pushing spring, partial air loss is easily caused due to the fact that the air is discharged out unevenly under the high frequency, the follow-up work is influenced, the oil supply is uneven, and in order to optimize the power structure of the pneumatic pump, a piston type pneumatic pump power circulation structure is designed by a practitioner.
Disclosure of utility model
The utility model aims to solve the problem that the working at high frequency is unstable due to large gas loss in the power gas circulation process of the existing piston type pneumatic pump.
The utility model realizes the above purpose through the following technical scheme: the utility model provides a piston pneumatic pump power cycle structure, includes oil pressure mechanism, the oil pressure mechanism top is provided with the pump body, the pump body cavity is inside be provided with the piston rod subassembly that cooperates with oil pressure mechanism, the pump body top is provided with pneumatic mechanism, pneumatic mechanism makes the piston rod subassembly is reciprocating motion in the pump body, be provided with the gas circulation pipeline between the pump body and the pneumatic mechanism;
The piston rod assembly comprises a first piston disc, a piston rod is arranged below the first piston disc through bolt connection, a connecting rod is connected above the piston rod in a threaded manner, a pneumatic head is arranged above the connecting rod, and a second piston disc is arranged at the other end of the piston rod opposite to the first piston disc;
The pneumatic mechanism comprises a pneumatic main body, an air inlet channel is formed in the side wall of the pneumatic main body, an air inlet channel end portion is connected with an air drainage channel, an air drainage piece is arranged in an air drainage channel cavity, a pneumatic head is arranged inside the air drainage piece, an air reversing channel is connected with an air drainage channel end portion, an air reversing component is arranged inside the air reversing channel cavity, an air outlet channel is connected with one side of the air reversing channel, and the air outlet channel is connected with an air circulation pipeline.
Further, the oil pressure mechanism comprises an oil pressure main body, an oil inlet channel is formed in the end of the oil pressure main body, and a first ball valve is limited and arranged at the oil inlet channel;
The second piston disc is arranged in the oil pressure main body cavity, an oil outlet channel is formed in the piston rod at the second piston disc, a second ball valve is arranged in the oil outlet channel cavity in a limiting mode, and an oil outlet hole matched with the oil outlet channel is formed in the side wall of the pump body.
Furthermore, a circulating air inlet channel communicated with the cavity is formed in the side wall of the pump body, and the circulating air inlet channel is connected to the other end of the gas circulating pipeline.
Further, a first pressure relief hole is formed in the side wall of the other end of the pump body opposite to the circulating air inlet channel.
Further, a plurality of first drainage holes are formed in the side wall of the gas drainage piece, bosses are arranged at the end part of the gas drainage piece, and four groups of second drainage holes are uniformly distributed on the bosses along the circumferential direction.
Further, the gas reversing assembly comprises a gas reversing main body, a plurality of air guide holes are uniformly distributed on the side wall of the gas reversing main body, a follow-up piece is arranged in the cavity of the gas reversing main body, and a limiting block is arranged at one end of the gas reversing main body.
Further, a second pressure relief hole is formed in the side wall of the pneumatic main body at the gas reversing main body.
The beneficial effects are that: the utility model has reasonable design, simple and stable structure and strong practicability, and has the following beneficial effects:
1. The air inlet channel is directly connected with the air drainage channel, the air enters without diversion, the air loss is avoided, and the air drainage channel directly acts on the piston rod assembly, so that the power is stronger when the piston rod assembly operates;
2. the gas reversing assembly is arranged, and the inner follower can slightly shake along with the gas, so that the impact loss of the gas under the action of high frequency is avoided;
3. the circulating air inlet channel on the pump body is used for guiding the ventilated air into the cavity of the pump body, so that the reciprocating operation of the piston rod assembly is realized.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic illustration of the cooperation of the piston rod assembly and the pneumatic mechanism of the present utility model;
FIG. 3 is a schematic view of the piston rod assembly of the present utility model;
FIG. 4 is a schematic view of the internal structure of the pneumatic mechanism of the present utility model;
FIG. 5 is a schematic view of the internal structure of the hydraulic mechanism and piston rod assembly of the present utility model;
FIG. 6 is a schematic view of the internal structure of the end of the pump body of the present utility model;
FIG. 7 is a schematic view of the structure of the gas drainage member of the present utility model;
Fig. 8 is a schematic view of a gas reversing assembly according to the present utility model.
In the figure: 1-oil pressure mechanism, 2-pump body, 3-piston rod assembly, 4-pneumatic mechanism, 5-gas circulation pipeline;
101-an oil pressure main body, 102-an oil inlet channel, 103-a first ball valve, 104-an oil outlet channel, 105-a second ball valve, 106-an oil outlet hole, 201-a circulating air inlet channel, 202-a first pressure relief hole, 301-a first piston disc, 302-a piston rod, 303-a connecting rod, 304-a pneumatic head, 305-a second piston disc, 401-a pneumatic main body, 402-an air inlet channel, 403-a drainage channel, 404-a gas drainage piece, 405-a gas reversing channel, 406-a gas reversing component, 407-an air outlet channel and 408-a second pressure relief hole;
4041-first drainage holes, 4042-bosses, 4043-second drainage holes, 4061-gas reversing bodies, 4062-gas guide holes, 4063-followers and 4064-limit blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment one:
The piston type pneumatic pump power circulation structure comprises an oil pressure mechanism 1, wherein the oil pressure mechanism 1 is used for realizing the output of hydraulic oil under the pneumatic action subsequently, a pump body 2 is arranged above the oil pressure mechanism 1, the interior of the pump body 2 is hollow, the circulation of subsequent gas is ensured, a piston rod assembly 3 matched with the oil pressure mechanism 1 is arranged in a cavity of the pump body 2, the piston rod assembly 3 can realize the driving of internal components of the oil pressure mechanism 1 under the action of a pneumatic mechanism 4 to work, the pneumatic mechanism 4 is arranged above the pump body 2, the pneumatic mechanism 4 enables the piston rod assembly 3 to reciprocate on the pump body 2, thereby realizing the circulation effect of the piston rod assembly 3, a gas circulation pipeline 5 is arranged between the pump body 2 and the pneumatic mechanism 4, ensuring the basic trend of the gas and realizing the circular driving of the piston rod assembly 3;
The piston rod assembly 3 comprises a first piston disc 301, a piston rod 302 is arranged below the first piston disc 301 through bolt connection, a connecting rod 303 is connected above the piston rod 302 in a threaded manner, a pneumatic head 304 is arranged above the connecting rod 303, a second piston disc 305 is arranged at the other end of the piston rod 302 opposite to the first piston disc 301, and sealing rings are sleeved on the first piston disc 301, the pneumatic head 304 and the second piston disc 305;
The pneumatic mechanism 4 comprises a pneumatic main body 401, an air inlet channel 402 is formed in the side wall of the pneumatic main body 401, the end part of the air inlet channel 402 is connected with a gas drainage channel 403, a gas drainage piece 404 is arranged in a cavity of the gas drainage channel 403, the pneumatic head 304 is arranged in the gas drainage piece 404, the end part of the gas drainage channel 403 is connected with a gas reversing channel 405, a gas reversing component 406 is arranged in the cavity of the gas reversing channel 405, one side of the gas reversing channel 405 is connected with an air outlet channel 407, and the air outlet channel 407 is connected with the gas circulation pipeline 5;
The piston rod assembly 3 and the pneumatic mechanism 4 are matched, the working mode of the pneumatic mechanism is that the air inlet channel 402 is externally connected with an air pipe, then air enters the air guide channel 403 through the air inlet channel 402, at the moment, the air enters the piston rod assembly 3 through an air hole of the air guide piece 404, then the air drives the pneumatic head 304 to displace, so that the first piston disc 301 is driven to be pushed in, the piston rod assembly is enabled to operate, a part of other air enters the air guide channel 403 into the air outlet channel 407 under the action of the air guide assembly 406, then the air enters the circulating air inlet channel 201 again through the air circulation pipeline 5, and the entered air pushes the first piston disc 301 from the other direction again to displace, so that the reciprocating operation of the piston rod assembly 3 is realized.
In this embodiment, the oil pressure mechanism 1 in combination with fig. 5 includes an oil pressure main body 101, an oil inlet channel 102 is formed at the end of the oil pressure main body 101, a first ball valve 103 is limited at the oil inlet channel 102, and the limiting arrangement ensures that the first ball valve 103 is opened and closed under the working of the piston rod assembly 3;
The second piston disc 305 is arranged in the cavity of the oil pressure main body 101, an oil outlet channel 104 is formed in a piston rod 302 at the second piston disc 305, a second ball valve 105 is arranged in the cavity of the oil outlet channel 104 in a limiting manner, an oil outlet hole 106 matched with the oil outlet channel 104 is formed in the side wall of the pump body 2, and the second piston disc 305 is operated in a synchronous manner through the operation of the piston rod assembly 3 to reciprocate in the oil pressure main body 101, so that the first ball valve 103 and the second ball valve 105 are opened and closed, and hydraulic oil is led to enter from the oil inlet channel 102 and then led out from the oil outlet channel 104.
In this embodiment, in combination with fig. 6, a circulating air inlet channel 201 is formed on the side wall of the pump body 2 and is communicated with the cavity, the circulating air inlet channel 201 is connected to the other end of the gas circulating pipeline 5, so as to ensure effective circulation of gas, thereby realizing reciprocating stable operation of the piston rod assembly 3.
In this embodiment, a first pressure relief hole 202 is formed on a side wall of the other end of the pump body 2 opposite to the circulation intake passage 201, so as to ensure adjustment under the condition of unstable intake air pressure.
In this embodiment, a plurality of first drainage holes 4041 are formed in the side wall of the gas drainage member 404 in combination with fig. 7, bosses 4042 are arranged at the end of the gas drainage member 404, four groups of second drainage holes 4043 are uniformly distributed on the bosses 4042 along the circumferential direction, the first drainage holes 4041 on the side wall ensure that gas enters basically, and the second drainage holes 4043 on the bosses 4042 ensure that part of gas enters from the bottom, so that effective flow of internal gas is ensured, and driving is more stable.
In this embodiment, the gas reversing assembly 406 in combination with fig. 8 includes a gas reversing main body 4061, a plurality of gas guide holes 4062 are uniformly distributed on the side wall of the gas reversing main body 4061, the gas guide holes 4062 ensure that gas flows effectively, a follower 4063 is disposed in a cavity of the gas reversing main body 4061, the follower 4063 can swing in the gas reversing main body to ensure effective follow-up when following the gas pressure variation, one end of the gas reversing main body 4061 is provided with a limiting block 4064, the limiting block 4064 effectively limits the swinging space of the follower 4063, and the mounting mode of the limiting block 4064 is mainly two, one is directly sleeved in the gas reversing channel 405, and the other is mounted in the gas reversing channel 405 through threaded connection.
In this embodiment, a second pressure relief hole 408 is formed on the side wall of the pneumatic main body 401 located at the position of the gas reversing main body 4061, and the second pressure relief hole 408 is communicated with the oil outlet channel 104, so that the pressure can be conveniently adjusted according to the oil outlet rate, and the stability is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a piston pneumatic pump power cycle structure, includes oil pressure mechanism (1), its characterized in that: a pump body (2) is arranged above the oil pressure mechanism (1), a piston rod assembly (3) matched with the oil pressure mechanism (1) is arranged in a cavity of the pump body (2), a pneumatic mechanism (4) is arranged above the pump body (2), the pneumatic mechanism (4) enables the piston rod assembly (3) to reciprocate on the pump body (2), and a gas circulation pipeline (5) is arranged between the pump body (2) and the pneumatic mechanism (4);
The piston rod assembly (3) comprises a first piston disc (301), a piston rod (302) is arranged below the first piston disc (301) through bolt connection, a connecting rod (303) is connected above the piston rod (302) in a threaded mode, a pneumatic head (304) is arranged above the connecting rod (303), and a second piston disc (305) is arranged at the other end of the piston rod (302) opposite to the first piston disc (301);
The pneumatic mechanism (4) comprises a pneumatic main body (401), an air inlet channel (402) is formed in the side wall of the pneumatic main body (401), an air guide channel (403) is connected to the end portion of the air inlet channel (402), an air guide piece (404) is arranged in the cavity of the air guide channel (403), the pneumatic head (304) is arranged inside the air guide piece (404), an air guide channel (403) end portion is connected with an air reversing channel (405), an air reversing component (406) is arranged in the cavity of the air reversing channel (405), an air outlet channel (407) is connected to one side of the air reversing channel (405), and the air outlet channel (407) is connected to the air circulating pipeline (5).
2. A piston type pneumatic pump power cycle structure as claimed in claim 1, wherein: the oil pressure mechanism (1) comprises an oil pressure main body (101), an oil inlet channel (102) is formed in the end part of the oil pressure main body (101), and a first ball valve (103) is limited and arranged at the position of the oil inlet channel (102);
The second piston disc (305) is arranged in the cavity of the oil pressure main body (101), an oil outlet channel (104) is formed in the piston rod (302) at the second piston disc (305), a second ball valve (105) is arranged in the cavity of the oil outlet channel (104) in a limiting mode, and an oil outlet hole (106) matched with the oil outlet channel (104) is formed in the side wall of the pump body (2).
3. A piston type pneumatic pump power cycle structure as claimed in claim 2, wherein: the side wall of the pump body (2) is provided with a circulating air inlet channel (201) communicated with the cavity, and the circulating air inlet channel (201) is connected to the other end of the gas circulating pipeline (5).
4. A piston type pneumatic pump power cycle structure as claimed in claim 3, wherein: a first pressure relief hole (202) is formed in the side wall of the other end of the pump body (2) opposite to the circulating air inlet channel (201).
5. A piston type pneumatic pump power cycle structure as defined in claim 4, wherein: a plurality of first drainage holes (4041) are formed in the side wall of the gas drainage piece (404), bosses (4042) are arranged at the end part of the gas drainage piece (404), and four groups of second drainage holes (4043) are uniformly distributed on the bosses (4042) along the circumferential direction.
6. A piston type pneumatic pump power cycle structure in accordance with claim 5, wherein: the gas reversing assembly (406) comprises a gas reversing main body (4061), a plurality of gas guide holes (4062) are uniformly distributed on the side wall of the gas reversing main body (4061), a follower (4063) is arranged in a cavity of the gas reversing main body (4061), and a limiting block (4064) is arranged at one end of the gas reversing main body (4061).
7. A piston type pneumatic pump power cycle structure as defined in claim 6, wherein: a second pressure relief hole (408) is formed in the side wall of the pneumatic main body (401) at the position of the gas reversing main body (4061).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719400.5U CN221096741U (en) | 2023-10-11 | 2023-10-11 | Dynamic circulation structure of piston type pneumatic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719400.5U CN221096741U (en) | 2023-10-11 | 2023-10-11 | Dynamic circulation structure of piston type pneumatic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096741U true CN221096741U (en) | 2024-06-07 |
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ID=91305193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719400.5U Active CN221096741U (en) | 2023-10-11 | 2023-10-11 | Dynamic circulation structure of piston type pneumatic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096741U (en) |
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2023
- 2023-10-11 CN CN202322719400.5U patent/CN221096741U/en active Active
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