CN213419451U - Hydraulic pump sealing structure - Google Patents
Hydraulic pump sealing structure Download PDFInfo
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- CN213419451U CN213419451U CN202021974020.6U CN202021974020U CN213419451U CN 213419451 U CN213419451 U CN 213419451U CN 202021974020 U CN202021974020 U CN 202021974020U CN 213419451 U CN213419451 U CN 213419451U
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- pump
- cover
- sealing
- seat
- inner cavity
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Abstract
The utility model discloses a hydraulic pump seal structure, which comprises a pump body, the center department on pump body right side runs through to inlay and has first sealed bearing, first sealed bearing's inner chamber fixedly connected with pump shaft, the right side of pump shaft runs through to the right side of the pump body, the outer lane fixedly connected with fixing base of pump body right side center department, the surface joint of fixing base has the seal receptacle, and the outer lane cover of seal receptacle is equipped with the pump cover. The utility model discloses a pump body, a fixed base, the pump shaft, first sealed bearing, the seal receptacle, the driving pin, mechanical seal, sealed lid, second sealed bearing, spacing seat, the set casing, the ball, pump cover and the sealed cooperation of filling up are used, possess the advantage of sealed effect, it is relatively poor to have solved the sealed effect of current hydraulic pump, when using, hydraulic oil in the hydraulic pump spills over from the junction of pivot very easily, clear up by the manual work usually, workman's labor intensity has not only been increased, the problem of the normal work of hydraulic pump has still been influenced.
Description
Technical Field
The utility model relates to a hydraulic pump technical field specifically is a hydraulic pump seal structure.
Background
The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank, discharges pressure oil, and sends the pressure oil to an execution element, and is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure.
The existing hydraulic pump has poor sealing effect, when in use, hydraulic oil in the hydraulic pump is easy to overflow from the joint of the rotating shaft and is cleaned by manpower usually, so that the labor intensity of workers is increased, and the normal work of the hydraulic pump is also influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic pump seal structure possesses the advantage of sealed effect, and it is relatively poor to have solved the sealed effect of current hydraulic pump, and when using, hydraulic oil in the hydraulic pump spills over from the junction of pivot very easily, is cleared up by the manual work usually, has not only increased workman's labor intensity, has still influenced the problem that the hydraulic pump normally worked.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic pump sealing structure comprises a pump body, wherein a first sealing bearing penetrates through and is embedded in the center of the right side of the pump body, a pump shaft is fixedly connected to the inner cavity of the first sealing bearing, the right side of the pump shaft penetrates to the right side of the pump body, a fixing seat is fixedly connected to the outer ring of the center of the right side of the pump body, a sealing seat is clamped on the outer surface of the fixing seat, a pump cover is sleeved on the outer ring of the sealing seat, a sealing gasket is fixedly sleeved between the inner cavity of the pump cover and the outer ring of the sealing seat, a first screw penetrates through the right side of the pump cover, a fixing shell is arranged on the right side of the pump cover, a second screw penetrates through the right side of the fixing shell, a mechanical sealing element is sleeved on the surface of the pump shaft and the inner cavity of the fixing, the inner chamber sliding connection of sliding tray has the ball, the right side cover that the surface of pump shaft just is located the set casing inner chamber is equipped with spacing seat, the fixed cover in right side that the surface of pump shaft just is located spacing seat is equipped with second seal bearing, the surface of pump shaft just is located second seal bearing's right side cover is equipped with sealed lid, the right side of sealed lid is run through and is provided with the third screw, the left side of third screw run through to the right side of set casing and rather than threaded connection.
Preferably, the left side of the first screw penetrates through the right side of the pump body and is in threaded connection with the pump body, and the left side of the second screw penetrates through the right side of the pump cover and is in threaded connection with the pump cover.
Preferably, the inner cavity of the fixed shell is provided with a mounting groove, the ball is arranged in the inner cavity of the mounting groove, and the surface of the ball is in sliding contact with the inner cavity of the fixed shell.
Preferably, the surface of the fixed seat is in sliding connection with the inner cavity of the sealing seat, and the left side and the right side of the mechanical sealing element are respectively in close contact with the right side of the fixed seat and the left side of the limiting seat.
Preferably, the left side of the sealing cover extends to the inner cavity of the fixed shell and is in close contact with the right side of the limiting seat, and the outer ring of the second sealing bearing is in close contact with the inner cavity of the sealing cover.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a pump body, a fixed base, the pump shaft, first sealed bearing, the seal receptacle, the driving pin, mechanical seal, sealed lid, second sealed bearing, spacing seat, the set casing, the ball, pump cover and the sealed cooperation of filling up are used, possess the advantage of sealed effect, it is relatively poor to have solved the sealed effect of current hydraulic pump, when using, hydraulic oil in the hydraulic pump spills over from the junction of pivot very easily, clear up by the manual work usually, workman's labor intensity has not only been increased, the problem of the normal work of hydraulic pump has still been influenced.
2. The utility model discloses a pump shaft can be once sealed through first sealed bearing's use, through the use of first screw, can fix the pump cover on the right side of the pump body, through sealed the use of filling up, can improve the leakproofness between pump cover and the seal receptacle, through the use of mounting groove and sliding tray, can carry on spacingly to the ball, avoid it to take place to rock, through mechanical seal's use, can carry out mechanical seal to the pump shaft, through second sealed bearing's use, can carry out secondary seal to the pump shaft.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right sectional view of the driving pin of the present invention;
FIG. 3 is a front view of the driving pin of the present invention;
fig. 4 is a right view structural diagram of the sealing cover of the present invention.
In the figure: the pump comprises a pump body 1, a fixed seat 2, a pump shaft 3, a first sealing bearing 4, a sealing seat 5, a first screw 6, a second screw 7, a transmission pin 8, a mechanical sealing element 9, a sealing cover 10, a second sealing bearing 11, a limiting seat 12, a third screw 13, a fixing shell 14, a ball 15, a pump cover 16, a sealing gasket 17 and a sliding groove 18.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a hydraulic pump sealing structure includes a pump body 1, a first sealing bearing 4 is inserted through the center of the right side of the pump body 1, a pump shaft 3 is fixedly connected to the inner cavity of the first sealing bearing 4, the right side of the pump shaft 3 extends to the right side of the pump body 1, a fixing seat 2 is fixedly connected to the outer ring of the center of the right side of the pump body 1, a sealing seat 5 is clamped on the outer surface of the fixing seat 2, a pump cover 16 is sleeved on the outer ring of the sealing seat 5, a sealing gasket 17 is fixedly sleeved between the inner cavity of the pump cover 16 and the outer ring of the sealing seat 5, the sealing performance between the pump cover 16 and the sealing seat 5 can be improved by using the sealing gasket 17, a first screw 6 is inserted through the right side of the pump cover 16, a fixing shell 14 is arranged on the right side of the pump cover 16, a second screw 7 is inserted, through the use of the mechanical sealing element 9, the pump shaft 3 can be mechanically sealed, a driving pin 8 is fixedly sleeved on the surface of the mechanical sealing element 9, a sliding groove 18 is formed in the outer surface of the driving pin 8 in a surrounding mode, a ball 15 is connected to the inner cavity of the sliding groove 18 in a sliding mode, a limiting seat 12 is sleeved on the surface of the pump shaft 3 and on the right side of the inner cavity of the fixed shell 14, a second sealing bearing 11 is fixedly sleeved on the surface of the pump shaft 3 and on the right side of the limiting seat 12, the pump shaft 3 can be secondarily sealed through the use of the second sealing bearing 11, a sealing cover 10 is sleeved on the surface of the pump shaft 3 and on the right side of the second sealing bearing 11, a third screw 13 penetrates through the right side of the sealing cover 10, and the left side of the third screw 13;
the left side of the first screw 6 penetrates through the right side of the pump body 1 and is in threaded connection with the pump body 1, the pump shaft 3 can be sealed for the first time through the use of the first sealing bearing 4, the left side of the second screw 7 penetrates through the right side of the pump cover 16 and is in threaded connection with the pump cover, and the pump cover 16 can be fixed on the right side of the pump body 1 through the use of the first screw 6;
the inner cavity of the fixed shell 14 is provided with an installation groove, the ball 15 is arranged in the inner cavity of the installation groove, the surface of the ball 15 is in sliding contact with the inner cavity of the fixed shell 14, and the ball 15 can be limited by the installation groove and the sliding groove 18, so that the ball is prevented from shaking;
the surface of the fixed seat 2 is in sliding connection with the inner cavity of the sealing seat 5, and the left side and the right side of the mechanical sealing element 9 are respectively in close contact with the right side of the fixed seat 2 and the left side of the limiting seat 12;
the left side of the sealing cover 10 extends to the inner cavity of the fixed shell 14 and is in close contact with the right side of the limiting seat 12, and the outer ring of the second sealing bearing 11 is in close contact with the inner cavity of the sealing cover 10;
through the pump body 1, fixing base 2, pump shaft 3, first sealed bearing 4, seal receptacle 5, driving pin 8, mechanical seal 9, sealed lid 10, second sealed bearing 11, spacing seat 12, set casing 14, ball 15, pump cover 16 and sealed cooperation of filling up 17 are used, the advantage that possesses sealed effect, it is relatively poor to have solved the sealed effect of current hydraulic pump, when using, hydraulic oil in the hydraulic pump spills over from the junction of pivot very easily, generally clear up by the manual work, the labor intensity of the workman has not only been increased, the problem of the normal work of hydraulic pump has still been influenced.
During the use, through the use of first sealed bearing 4, can once seal pump shaft 3, it is spacing to use fixing base 2 to carry out seal receptacle 5, avoid it to take place to rock, through the use of first screw 6, can fix pump cover 16 on the right side of the pump body 1, through the use of sealed pad 17, can improve the leakproofness between pump cover 16 and the seal receptacle 5, through the use of mounting groove and sliding tray 18, can carry out spacingly to ball 15, avoid it to take place to rock, through the use of mechanical seal 9, can carry out mechanical seal to pump shaft 3, through the use of second sealed bearing 11, can carry out secondary seal to pump shaft 3.
In summary, the following steps: this hydraulic pump seal structure, through the pump body 1, fixing base 2, pump shaft 3, first seal bearing 4, seal receptacle 5, driving pin 8, mechanical seal 9, sealed lid 10, second seal bearing 11, spacing seat 12, set casing 14, ball 15, pump cover 16 and the cooperation of sealed pad 17 are used, it is relatively poor to have solved the sealed effect of current hydraulic pump, when using, hydraulic oil in the hydraulic pump spills over from the junction of pivot very easily, clear up by the manual work usually, workman's labor intensity has not only been increased, the problem of the normal work of hydraulic pump has still been influenced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic pump seal structure, includes the pump body (1), its characterized in that: the pump is characterized in that a first sealing bearing (4) is embedded in the center of the right side of the pump body (1) in a penetrating manner, a pump shaft (3) is fixedly connected to the inner cavity of the first sealing bearing (4), the right side of the pump shaft (3) is embedded in the right side of the pump body (1), a fixing seat (2) is fixedly connected to the outer ring of the center of the right side of the pump body (1), a sealing seat (5) is clamped on the outer surface of the fixing seat (2), a pump cover (16) is sleeved on the outer ring of the sealing seat (5), a sealing gasket (17) is fixedly sleeved between the inner cavity of the pump cover (16) and the outer ring of the sealing seat (5), a first screw (6) is arranged on the right side of the pump cover (16) in a penetrating manner, a fixing shell (14) is arranged on the right side of the pump cover (16), a second screw (7) is arranged on the right side of the fixing, the fixed surface cover of mechanical seal spare (9) is equipped with drive pin (8), the surface of drive pin (8) is encircleed and has been seted up sliding tray (18), the inner chamber sliding connection of sliding tray (18) has ball (15), the surface of pump shaft (3) and the right side cover that is located set casing (14) inner chamber are equipped with spacing seat (12), the surface of pump shaft (3) and the right side fixed cover that is located spacing seat (12) are equipped with second seal bearing (11), the surface of pump shaft (3) and the right side cover that is located second seal bearing (11) are equipped with sealed lid (10), the right side of sealed lid (10) is run through and is provided with third screw (13), the left side of third screw (13) is run through to the right side of set casing (14) and rather than threaded connection.
2. A hydraulic pump seal structure according to claim 1, characterized in that: the left side of the first screw (6) penetrates through the right side of the pump body (1) and is in threaded connection with the pump body, and the left side of the second screw (7) penetrates through the right side of the pump cover (16) and is in threaded connection with the pump cover.
3. A hydraulic pump seal structure according to claim 1, characterized in that: the inner cavity of the fixed shell (14) is provided with an installation groove, the ball (15) is arranged in the inner cavity of the installation groove, and the surface of the ball (15) is in sliding contact with the inner cavity of the fixed shell (14).
4. A hydraulic pump seal structure according to claim 1, characterized in that: the surface of the fixed seat (2) is in sliding connection with the inner cavity of the sealing seat (5), and the left side and the right side of the mechanical sealing element (9) are respectively in close contact with the right side of the fixed seat (2) and the left side of the limiting seat (12).
5. A hydraulic pump seal structure according to claim 1, characterized in that: the left side of the sealing cover (10) extends to the inner cavity of the fixed shell (14) and is in close contact with the right side of the limiting seat (12), and the outer ring of the second sealing bearing (11) is in close contact with the inner cavity of the sealing cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974020.6U CN213419451U (en) | 2020-09-10 | 2020-09-10 | Hydraulic pump sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021974020.6U CN213419451U (en) | 2020-09-10 | 2020-09-10 | Hydraulic pump sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419451U true CN213419451U (en) | 2021-06-11 |
Family
ID=76261156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021974020.6U Active CN213419451U (en) | 2020-09-10 | 2020-09-10 | Hydraulic pump sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213419451U (en) |
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2020
- 2020-09-10 CN CN202021974020.6U patent/CN213419451U/en active Active
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