CN212839561U - Unidirectional flow control mechanism and hydraulic pump base structure - Google Patents
Unidirectional flow control mechanism and hydraulic pump base structure Download PDFInfo
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- CN212839561U CN212839561U CN202021232174.8U CN202021232174U CN212839561U CN 212839561 U CN212839561 U CN 212839561U CN 202021232174 U CN202021232174 U CN 202021232174U CN 212839561 U CN212839561 U CN 212839561U
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Abstract
The utility model discloses an unidirectional flow control mechanism and hydraulic pump base structure, its technical scheme main points are: the utility model provides a unidirectional flow control mechanism, includes the control main part, the mounting groove has been seted up to control main part one end, the opening that runs through the control main part is seted up to the mounting groove bottom surface, the opening diameter is less than the mounting groove, be provided with the first steel ball that can shutoff opening in the mounting groove, first steel ball can for the mounting groove activity, first steel ball diameter is less than the mounting groove diameter, the control main part lateral wall or the tip integrated into one piece who sets up the mounting groove have the anticreep convex part that prevents first steel ball and break away from the mounting groove. The utility model discloses reach and realize that one-way flow control mechanism integrates, mass production practices thrift the parts machining cost.
Description
Technical Field
The utility model relates to a hydraulic equipment field especially involves a unidirectional flow control mechanism and hydraulic pump base structure.
Background
The existing one-way circulation control mechanism is generally assembled by a plurality of parts, a channel for liquid to flow is arranged in the one-way circulation control mechanism, a first steel ball is arranged in the channel, the diameters of the channels on two sides of the first steel ball are different, and the liquid in the channel only can flow from one end with a small diameter to one end with a large diameter. When the one-way circulation control mechanism is manufactured, the two parts are spliced with each other, holes with different diameters are machined in the corresponding positions of the two parts, and corresponding first steel balls are arranged in the holes.
When the above-mentioned one-way circulation control mechanism is used, the corresponding parts must be processed in advance, the processing procedure is complicated, and the processing efficiency of the parts is reduced.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an unidirectional flow control mechanism and hydraulic pump base structure reaches and realizes that unidirectional flow control mechanism integrates, and mass production practices thrift the part processing cost.
The above technical purpose of the utility model is realized through following technical scheme: the utility model provides a unidirectional flow control mechanism, includes the control main part, the mounting groove has been seted up to control main part one end, the opening that runs through the control main part is seted up to the mounting groove bottom surface, the opening diameter is less than the mounting groove, be provided with the first steel ball that can shutoff opening in the mounting groove, first steel ball can for the mounting groove activity, first steel ball diameter is less than the mounting groove diameter, the control main part lateral wall or the tip integrated into one piece who sets up the mounting groove have the anticreep convex part that prevents first steel ball and break away from the mounting groove.
The utility model discloses a further set up to: the anti-falling convex part is formed by riveting and pressing a plurality of end parts of which the control main body is provided with an installation groove.
The utility model discloses a further set up to: the control main part lateral wall is provided with cyclic annular arch, cyclic annular arch is provided with cyclic annular seal groove.
The utility model discloses a further set up to: the side wall of the control main body is provided with a through hole communicated with the circulation hole, and the through hole is positioned on one side of the annular bulge, which is far away from the mounting groove.
The utility model discloses a further set up to: a hydraulic pump base structure comprises a base body, the unidirectional flow control mechanism is arranged, the upper end surface of the base is provided with an oil cylinder mounting groove for installing an oil cylinder and an oil tank mounting groove for installing an oil tank, the base body is provided with an oil tank communicating hole for communicating with an oil tank, one end of the oil tank communicating hole is arranged on the side wall of the base body, the other end of the oil tank communicating hole is arranged on the upper end surface of the base body and is positioned between the oil cylinder mounting groove and the oil tank mounting groove, the base body is provided with an oil cylinder communicating hole for communicating with the oil cylinder, one end of the oil cylinder communicating hole is arranged on the side wall of the base body, the other end of the oil cylinder communicating hole is arranged on the upper end surface of the base body and is positioned inside the oil cylinder mounting groove, the oil cylinder communicating hole is arranged in a plugging shape at one, and the annular bulge is attached to and seals the oil cylinder communicating hole, and a control assembly for controlling oil flow is arranged between the oil cylinder communicating hole and the oil tank communicating hole.
The utility model discloses a further set up to: the control component comprises a flow groove arranged on the upper end surface of the base body, a first flow hole arranged on the bottom surface of the flow groove and communicated with the oil tank communicating hole, a first steel ball arranged in the flow groove and capable of plugging the first flow hole, a second flow hole arranged on the upper end surface of the base body and communicated with the oil cylinder communicating hole, an installation block arranged on the upper end surface of the base body and covering the flow groove and the second flow hole, a communicating hole arranged on the bottom surface of the installation block and used for keeping the flow groove communicated with the second flow hole, and an installation hole arranged on the installation block and used for installing an output shaft of the hydraulic pump, the mounting hole with the intercommunicating pore intercommunication, unidirectional flow control mechanism's mounting groove is towards hydro-cylinder intercommunicating pore and hydro-cylinder intercommunication one end position, the second flow hole is located the one side that annular bulge deviates from the mounting groove and keeps away from the seal groove.
The utility model discloses a further set up to: the communicating hole is flat and limits the second steel ball to be separated from the flowing groove.
The utility model discloses a further set up to: the mounting hole is the slope setting that deviates from oil tank mounting groove direction.
The utility model discloses a further set up to: the oil cylinder communicating hole is located at one end of the base body, a bolt is connected with the base body in a threaded mode, the bolt can abut against the one-way flow control mechanism and limits the movement of the one-way flow control mechanism, and an oil sealing gasket is arranged between the bolt and the side wall of the base body.
To sum up, the utility model discloses following beneficial effect has:
the anti-falling convex part can effectively prevent the first steel ball from separating from the mounting groove, and meanwhile, the structure can realize the integration and mass production of the unidirectional flow control mechanism, and the unidirectional flow control mechanism is conveniently arranged in the corresponding hole to realize the unidirectional flow of the control liquid;
the sealing ring can be installed in the annular sealing groove, so that the corresponding installed hole can be blocked, liquid in the through hole can be promoted to flow out quickly through the through hole, and the flow speed is improved.
When in use, one end of the oil tank communication hole, which is positioned on the side wall of the base, can be in a threaded hole structure and is connected with the oil supply pipe, and the mounting hole can also be a threaded hole structure and is connected with the output shaft of the corresponding hydraulic pump, when the hydraulic pump is used and oil flows into the inner cavity of the hydraulic pump, the oil in the oil tank flows into the flowing groove through the oil tank communicating hole and then enters the inner cavity of the hydraulic pump, when the oil in the hydraulic pump is discharged, the oil pressure in the communication hole and the flow groove drives the second steel ball to abut against the end surface of the first flow hole to block the first flow hole and limit the oil to flow back into the oil tank communication hole, meanwhile, oil flows into the oil cylinder through the communication hole, the second flow hole, the one-way flow control mechanism and the oil cylinder communication hole to increase the oil pressure in the oil cylinder, meanwhile, the oil in the oil cylinder is prevented from flowing into the communicating hole through the oil cylinder circulating hole by the unidirectional flow control mechanism, and the unidirectional flow of the oil in the oil tank and the oil in the oil cylinder is ensured;
the second steel ball is ensured to be positioned in the flowing groove by the flat arrangement of the communicating hole, and meanwhile, the hydraulic pump is convenient to install in the mounting hole.
Drawings
FIG. 1 is a sectional view of embodiment 1;
FIG. 2 is a side view of embodiment 1;
FIG. 3 is a front view of embodiment 1;
FIG. 4 is a front view of embodiment 2;
FIG. 5 is a sectional view at A-A in example 2;
FIG. 6 is a sectional view taken at B-B in example 2.
The corresponding part names indicated by the numbers in the figures: 1. a control body; 2. mounting grooves; 3. a flow-through hole; 4. a first steel ball; 5. an anti-drop convex part; 6. an annular projection; 7. an annular seal groove; 8. a through hole; 9. a base body; 10. an oil tank communication hole; 11. an oil cylinder communicating hole; 12. mounting blocks; 13. a flow channel; 14. a first flow aperture; 15. a second flow aperture; 16. a second steel ball; 17. a communicating hole; 18. mounting holes; 19. a bolt; 20. a seal ring; 21. an oil tank mounting groove; 22. and (4) installing a cylinder in a groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
In order to conveniently and fixedly install the one-way flow control mechanism, the side wall of the control main body 1 is provided with an annular bulge 6, the annular bulge 6 is provided with an annular sealing groove 7, and a sealing ring can be installed in the annular sealing groove 7, so that the corresponding installed hole can be blocked. And the lateral wall of the control main body 1 is provided with a through hole 8 communicated with the circulation hole 3, and the through hole 8 is positioned on one side of the annular bulge 6 far away from the mounting groove 2. The liquid in the through hole 3 can be promoted to flow out quickly through the through hole 8, and the flow speed is improved.
The base body 9 is provided with an oil tank communicating hole 10 used for being communicated with an oil tank, one end of the oil tank communicating hole 10 is arranged on the side wall of the base body 9, and the other end of the oil tank communicating hole 10 is arranged on the upper end face of the base body 9 and is positioned between the oil tank mounting groove 22 and the oil tank mounting groove 21. The base body 9 is provided with an oil cylinder communicating hole 11 used for being communicated with an oil cylinder, one end of the oil cylinder communicating hole 11 is arranged on the side wall of the base body 9, the other end of the oil cylinder communicating hole 11 is arranged on the upper end face of the base and is positioned on the inner side of an oil cylinder mounting groove 22, one end, positioned on the side wall of the base body 9, of the oil cylinder communicating hole 11 is arranged in a plugging mode, and the oil cylinder communicating hole. The one-way flow control mechanism is arranged in the oil cylinder communication hole 11 and limits oil in the oil cylinder communication hole 11 to flow to the oil tank communication hole 10, the annular bulge 6 is attached to and seals the oil cylinder communication hole 11, and a control assembly for controlling oil flow is arranged between the oil cylinder communication hole 11 and the oil tank communication hole 10.
The control component comprises a flow groove 13 arranged on the upper end surface of the base body 9, a first flow hole 14 arranged on the bottom surface of the flow groove 13 and communicated with the oil tank communicating hole 10, a second steel ball 16 arranged in the flow groove 13 and capable of plugging the first flow hole 14, a second flow hole 15 arranged on the upper end surface of the base body 9 and communicated with the oil tank communicating hole 11, a mounting block 12 arranged on the upper end surface of the base body 9 and covering the flow groove 13 and the second flow hole 15, a communicating hole 17 arranged on the bottom surface of the mounting block 12 and keeping the flow groove 13 communicated with the second flow hole 15, and a mounting hole 18 arranged on the mounting block 12 and used for mounting an output shaft of the hydraulic pump, wherein the mounting hole 18 is communicated with the communicating hole 17, the mounting groove 2 of the unidirectional flow control mechanism faces the oil tank communicating hole 11 and one end communicated with the oil tank, and the second flow hole 15 is positioned on one side of the annular.
When the hydraulic pump is used and oil flows into the inner cavity of the hydraulic pump, the oil pressure in the communication hole 17 and the flow groove 13 drives the second steel ball 16 to abut against the end surface of the first flow hole 14 to block the first flow hole 14 and limit the oil flow to return into the communication hole 10 of the hydraulic pump, and simultaneously the oil flows into the oil cylinder through the communication hole 17, the second flow hole 15, the one-way flow control mechanism and the oil cylinder communication hole 11 to increase the oil pressure in the oil cylinder, and simultaneously the oil in the oil cylinder is prevented from flowing into the communication hole 17 through the oil cylinder circulation hole 3 by the one-way flow control mechanism, the oil tank and the oil in the oil cylinder are ensured to flow in one direction.
The communication hole 17 is provided flat and restricts the second steel ball 16 from coming off the flow groove 13, and the mounting hole 18 is provided obliquely in a direction away from the tank mounting groove 21. The flat arrangement of the communication hole 17 ensures that the second steel ball 16 is positioned in the flow groove 13, and facilitates the hydraulic pump to be conveniently mounted in the mounting hole 18.
The oil cylinder communication hole 11 is connected with a bolt 19 through threads at one end of the base body 9, the bolt 19 can abut against the one-way flow control mechanism and limit the movement of the one-way flow control mechanism, and a sealing gasket 20 is arranged between the bolt 19 and the side wall of the base body 9.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A unidirectional flow control mechanism comprising a control body (1), characterized in that: mounting groove (2) have been seted up to control main part (1) one end, circulation hole (3) that run through control main part (1) are seted up to mounting groove (2) bottom surface, circulation hole (3) diameter is less than mounting groove (2), be provided with first steel ball (4) that can shutoff circulation hole (3) in mounting groove (2), first steel ball (4) can for mounting groove (2) activity, first steel ball (4) diameter is less than mounting groove (2) diameter, the tip integrated into one piece that control main part (1) lateral wall or seted up mounting groove (2) has anticreep convex part (5) that prevent that first steel ball (4) from breaking away from mounting groove (2).
2. A unidirectional flow control mechanism as recited in claim 1, wherein: the anti-falling convex parts (5) are formed by riveting and pressing the end parts of the control main body (1) provided with the mounting grooves (2).
3. A unidirectional flow control mechanism as claimed in claim 1 or 2, wherein: the side wall of the control main body (1) is provided with an annular bulge (6), and the annular bulge (6) is provided with an annular sealing groove (7).
4. A unidirectional flow control mechanism as recited in claim 3, wherein: the side wall of the control main body (1) is provided with a through hole (8) communicated with the circulation hole (3), and the through hole (8) is located on one side, away from the annular sealing groove (7), of the annular bulge (6).
5. The utility model provides a hydraulic pump base structure, includes base body (9), its characterized in that: the unidirectional flow control mechanism of claim 4, wherein the upper end surface of the base is provided with a cylinder mounting groove (22) for mounting a cylinder and a tank mounting groove (21) for mounting an oil tank, the base body (9) is provided with an oil tank communicating hole (10) for communicating with the oil tank, one end of the oil tank communicating hole (10) is opened on the side wall of the base body (9), the other end is opened on the upper end surface of the base body (9) and is positioned between the cylinder mounting groove (22) and the tank mounting groove (21), the base body (9) is provided with a cylinder communicating hole (11) for communicating with the cylinder, one end of the cylinder communicating hole (11) is opened on the side wall of the base body (9), the other end is opened on the upper end surface of the base body (9) and is positioned inside the cylinder mounting groove (22), and one end of the cylinder communicating hole (11) positioned on the side, hydro-cylinder intercommunicating pore (11) are linked together with oil tank intercommunicating pore (10), unidirectional flow control mechanism is located hydro-cylinder intercommunicating pore (11) and restricts the oil stream in hydro-cylinder intercommunicating pore (11) to oil tank intercommunicating pore (10), just annular arch (6) laminating and sealed hydro-cylinder intercommunicating pore (11), be provided with the control assembly that control oil flows between hydro-cylinder intercommunicating pore (11) and oil tank intercommunicating pore (10).
6. A hydraulic pump mount construction according to claim 5, further characterized by: the control assembly comprises a flow groove (13) arranged on the upper end surface of the base body (9), a first flow hole (14) arranged on the bottom surface of the flow groove (13) and communicated with an oil tank communicating hole (10), a second steel ball (16) arranged in the flow groove (13) and capable of plugging the first flow hole (14), a second flow hole (15) arranged on the upper end surface of the base body (9) and communicated with the oil cylinder communicating hole (11), an installation block (12) arranged on the upper end surface of the base body (9) and covering the flow groove (13) and the second flow hole (15), a communicating hole (17) arranged on the bottom surface of the installation block (12) and used for keeping the flow groove (13) communicated with the second flow hole (15), and an installation hole (18) arranged on the installation block (12) and used for installing a liquid supply pump output shaft, wherein the installation hole (18) is communicated with the communicating hole (17), one-way flow control mechanism's mounting groove (2) are towards hydro-cylinder intercommunicating pore (11) and hydro-cylinder intercommunication one end, second flow hole (15) are located annular arch (6) and deviate from mounting groove (2) and keep away from one side of cyclic annular seal groove (7).
7. The hydraulic pump mount structure according to claim 6, wherein: the communication hole (17) is flat and limits the second steel ball (16) to be separated from the flow groove (13).
8. The hydraulic pump mount structure according to claim 6, wherein: the mounting hole (18) is obliquely arranged in a direction deviating from the direction of the oil tank mounting groove (21).
9. A hydraulic pump mount construction according to claim 5, further characterized by: the oil cylinder communicating hole (11) is located at one end of the base body (9) and is connected with a bolt (19) in a threaded mode, the bolt (19) can abut against the one-way flow control mechanism and limits the movement of the one-way flow control mechanism, and an oil sealing gasket (20) is arranged between the bolt (19) and the side wall of the base body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232174.8U CN212839561U (en) | 2020-06-30 | 2020-06-30 | Unidirectional flow control mechanism and hydraulic pump base structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232174.8U CN212839561U (en) | 2020-06-30 | 2020-06-30 | Unidirectional flow control mechanism and hydraulic pump base structure |
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| CN212839561U true CN212839561U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706700A (en) * | 2020-06-30 | 2020-09-25 | 嘉善海力达工具有限公司 | Unidirectional flow control mechanism and hydraulic pump base structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706700A (en) * | 2020-06-30 | 2020-09-25 | 嘉善海力达工具有限公司 | Unidirectional flow control mechanism and hydraulic pump base structure |
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