CN217002263U - Effectual crescent gear pump of pressurize - Google Patents
Effectual crescent gear pump of pressurize Download PDFInfo
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- CN217002263U CN217002263U CN202220586296.XU CN202220586296U CN217002263U CN 217002263 U CN217002263 U CN 217002263U CN 202220586296 U CN202220586296 U CN 202220586296U CN 217002263 U CN217002263 U CN 217002263U
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- gear pump
- internal gear
- blocking
- fixing plate
- pressure maintaining
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Abstract
The utility model discloses an internal gear pump with a good pressure maintaining effect, which comprises an internal gear pump main body and a plugging mechanism; the end part of the internal gear pump main body is connected with a rear cover, and an outer discharge port is drilled on the rear cover; in the leakage was located to shutoff mechanism for the leakage was released outside the shutoff, shutoff mechanism includes the fixed plate, the inner wall fixed connection of fixed plate and leakage, the slip is equipped with slidingtype release mechanism on the fixed plate, be connected with a plurality of screws between crescent gear pump main part and the back lid for connect crescent gear pump main part and back lid, slidingtype release mechanism includes the slide bar, be used for connecting shutoff board and spacing ring. According to the utility model, through the arrangement of the corresponding mechanisms, the pressure maintaining effect of the internal gear pump can be increased, the condition of overhigh oil temperature rise can be reduced, a user does not need to stop the internal gear pump for cooling, the normal working process of the internal gear pump is ensured, and the internal gear pump is convenient for the user to use.
Description
Technical Field
The utility model belongs to the technical field of internal gear pumps, and particularly relates to an internal gear pump with a good pressure maintaining effect.
Background
The internal gear pump is a kind of gear pump, and it adopts the principle of internal gear engagement, i.e. the pitch circle of internal and external gears is close to one side, and another side is separated by "crescent plate" on the pump cover, and the driving internal gear on the main shaft drives the external gear to rotate in the same direction, and the gears are mutually separated at the inlet to form negative pressure to suck in liquid, and the gears are continuously embedded in the outlet and meshed to extrude and output liquid.
Current crescent gear pump is in long-time use, and its inside does not pressurize and has the too high condition of oil temperature rise easily, if not shut down the cooling processing in time, then cause crescent gear pump's damage very easily, not only increase crescent gear pump's maintenance cost, still delay user's use to influence user's use and experience.
Therefore, in order to solve the above-mentioned problems, it is necessary to provide an internal gear pump having a good pressure maintaining effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an internal gear pump with a good pressure maintaining effect, and the internal gear pump is used for solving the problems that the internal gear pump does not maintain pressure and the oil temperature is easy to rise.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
an internal gear pump with good pressure maintaining effect comprises an internal gear pump main body and a plugging mechanism;
the end part of the internal gear pump main body is connected with a rear cover, and an outer discharge port is drilled on the rear cover;
the plugging mechanism is arranged in the outer leakage port and used for plugging the outer leakage port, the plugging mechanism comprises a fixed plate, the fixed plate is fixedly connected with the inner wall of the outer leakage port, and a sliding type releasing mechanism is arranged on the fixed plate in a sliding mode.
Furthermore, a plurality of screws are connected between the internal gear pump main body and the rear cover and used for connecting the internal gear pump main body and the rear cover.
Further, the sliding type release mechanism comprises a sliding rod which is used for connecting the plugging plate and the limiting ring;
the slide bar link up the fixed plate sets up, the inboard that the slide bar is located the fixed plate is connected with the shutoff board for install a plurality of shutoff posts, the shutoff post that a plurality of circumference evenly distributed of fixed connection was gone up to the shutoff board in the one side that is close to the fixed plate utilizes the shutoff post to come the shutoff to flow oil mouth, when the shutoff post is inserted and is established in flowing oil mouth, can be so that external dust impurity is difficult for entering into the internal gear pump main part.
Furthermore, it has a plurality of hydraulic fluid ports to cut on the fixed plate, hydraulic fluid port with shutoff post one-to-one sets up, and hydraulic fluid port is used for releasing the oil in the internal gear pump main part to pressurize and cool down in the internal gear pump main part, the shutoff post is inserted and is established in hydraulic fluid port.
Furthermore, a limiting ring is connected to the side wall of one end, away from the plugging plate, of the sliding rod and used for limiting the sliding rod, so that the sliding rod is not easy to completely slide out of the fixing plate;
be equipped with the cushion between spacing ring and the fixed plate, the cushion is established in the outside of slide bar for increase the elastic action between spacing ring and the fixed plate, when the slide bar did not receive the extrusion promptly, the slide bar can resume deformation under the effect of spacing ring, is used for guaranteeing in the shutoff post on the shutoff board reinserts the oil flow mouth, is used for carrying out the shutoff to the external discharge opening.
Furthermore, the diameter of the limiting ring is smaller than the diameter of a circle where the oil flow openings are located, so that oil in the internal gear pump main body can be conveniently released from the oil flow openings.
Furthermore, the plugging column and the limiting ring are made of rubber materials, the plugging column is used for increasing the sealing effect of the oil convection port, and the limiting ring is used for increasing the overall elastic effect.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, through the arrangement of the corresponding mechanisms, the pressure maintaining effect of the internal gear pump can be increased, the condition of overhigh oil temperature rise can be reduced, a user does not need to stop the internal gear pump for cooling, the normal working process of the internal gear pump is ensured, and the internal gear pump is convenient for the user to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of an internal gear pump with good pressure maintaining effect according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a perspective view of an internal gear pump with good pressure maintaining effect according to an embodiment of the present invention;
fig. 4 is a side view of an internal gear pump with good dwell effect in accordance with an embodiment of the present invention.
In the figure: 1. the internal gear pump comprises an internal gear pump body, 101, a rear cover, 102, an external leakage port, 2, a plugging mechanism, 201, a fixing plate, 202, a sliding rod, 203, a plugging plate, 204, a plugging column, 205, an oil flow port, 206, a limiting ring, 207 and an elastic pad.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The utility model discloses an internal gear pump with a good pressure maintaining effect, which comprises an internal gear pump main body 1 and a plugging mechanism 2, and is shown in figures 1-4.
Wherein, the end connection of crescent gear pump main part 1 has back lid 101, back lid 101 is last to cut outer leak 102 for connect oil block joint, leak the oil return tank with the oil in crescent gear pump main part 1 through oil block joint, and then be used for satisfying the operating mode requirement that the long-time pressurize of user's needs and oil temperature requirement can not exceed 40 ℃.
Preferably, a plurality of screws are connected between the ring gear pump body 1 and the rear cover 101 to connect the ring gear pump body 1 and the rear cover 101.
As shown in fig. 1 to fig. 3, the blocking mechanism 2 is disposed in the outer leakage port 102 and is used for blocking the outer leakage port 102, that is, when a user does not need to discharge oil in the internal gear pump main body 1, the blocking mechanism 2 can block the outer leakage port 102 without using other blocking mechanisms, which is convenient for the user to operate.
The blocking mechanism 2 includes a fixing plate 201, and the fixing plate 201 is fixedly connected to an inner wall of the external excretory opening 102, and is used for installing a sliding release mechanism.
In addition, a sliding type releasing mechanism is slidably arranged on the fixing plate 201 and used for controlling the on-off of the external drainage port 102 so that a user can discharge oil in the internal gear pump main body 1 when needed to perform pressure maintaining and heat preservation on the internal gear pump main body 1, and the sliding type releasing mechanism comprises a sliding rod 202 used for connecting a blocking plate 203 and a limiting ring 206.
Preferably, the slide bar 202 link up the fixed plate 201 sets up, the inboard that the slide bar 202 is located the fixed plate 201 is connected with the shutoff board 203 for install a plurality of shutoff posts 204, the shutoff post 204 that a plurality of circumference evenly distributed of fixed connection is gone up to the one side that the shutoff board 203 is close to the fixed plate 201, utilizes the shutoff post 204 to come the shutoff to flow oil mouth 205, when the shutoff post 204 is inserted and is established in flowing oil mouth 205, can realize the shutoff of outer discharge opening 102, also can make external dust impurity difficult the entering into in the internal gear pump main part 1 simultaneously, guarantee the safety of internal gear pump main part 1 internal oil, reduce the probability that the internal gear pump main part 1 damaged.
Specifically, a plurality of oil flow ports 205 are drilled in the fixing plate 201, the oil flow ports 205 are arranged in one-to-one correspondence with the blocking columns 204, when the blocking columns 204 are disengaged from the oil flow ports 205, the oil flow ports 205 are used for releasing oil in the internal gear pump body 1 so as to maintain pressure and cool the inside of the internal gear pump body 1, and the blocking columns 204 are inserted in the oil flow ports 205.
Referring to fig. 1-2, a limiting ring 206 is connected to a side wall of one end of the sliding rod 202 away from the blocking plate 203 for limiting the sliding rod 202, so that the sliding rod 202 is not easy to completely slide out of the fixing plate 201, and the recycling effect of the blocking mechanism 2 is ensured.
An elastic pad 207 is arranged between the limit ring 206 and the fixed plate 201, the elastic pad 207 is sleeved on the outer side of the sliding rod 202 and is used for increasing the elastic effect between the limit ring 206 and the fixed plate 201, that is, when the sliding rod 202 is not extruded, the sliding rod 202 can recover to deform under the action of the limit ring 206 and is used for ensuring that the blocking column 204 on the blocking plate 203 is inserted into the oil flow port 205 again and is used for blocking the external drainage port 102, namely, the state shown in fig. 2.
Preferably, the diameter of the limiting ring 206 is smaller than the diameter of the circle where the oil flow ports 205 are located, so that oil in the internal gear pump main body 1 is conveniently released from the oil flow ports 205, and the oil release is not easily affected.
Specifically, the plugging column 204 and the limiting ring 206 are made of rubber, the plugging column 204 is used for increasing the sealing effect of the oil convection port 205, and the limiting ring 206 is used for increasing the overall elastic effect.
When the internal gear pump main body 1 is used specifically, when a user needs to maintain pressure or cool the internal gear pump main body 1, the oil blocking joint is inserted into the outer leakage port 102, in the process that the oil blocking joint is inserted into the outer leakage port 102, the oil blocking joint can extrude the sliding rod 202, the sliding rod 202 drives the blocking plate 203 and the limiting ring 206 to move, when the blocking column 204 on the blocking plate 203 is completely separated from the oil flow port 205 on the fixing plate 201, oil in the internal gear pump main body 1 can be released through the oil flow port 205 and then enters the oil blocking joint, the oil is leaked back to the oil tank through the oil blocking joint, and then the pressure maintaining and cooling of the internal gear pump main body 1 can be realized;
when the user need not discharge the interior oil of crescent gear pump main part 1, take off oil plug and connect, slide bar 202 slides under the mating reaction of spacing ring 206 and cushion 207, slide bar 202 has the trend of resumeing, and then make in the shutoff post 204 block again the flow hydraulic fluid port 205 on the fixed plate 201 on the shutoff board 203, accomplish the shutoff of outer discharge opening 102, make the interior oil of crescent gear pump main part 1 be difficult for leaking, also can reduce in external impurity enters into crescent gear pump main part 1, guarantee the safety of interior oil of crescent gear pump main part 1, need not to use other shutoff mechanisms, and convenient for the user uses.
According to the technical scheme, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the corresponding mechanisms, the pressure maintaining effect of the internal gear pump can be increased, the condition of overhigh oil temperature rise can be reduced, a user does not need to stop the internal gear pump for cooling, the normal working process of the internal gear pump is ensured, and the internal gear pump is convenient for the user to use.
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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 specification has been described in terms of embodiments, not every embodiment includes every single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole can be combined as appropriate to form other embodiments as will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an effectual crescent gear pump of pressurize which characterized in that includes:
the gear pump comprises a crescent gear pump body (1), wherein a rear cover (101) is connected to the end part of the crescent gear pump body (1), and an outer discharge opening (102) is formed in the rear cover (101);
the blocking mechanism (2) is arranged in the outer leakage opening (102) and is used for blocking the outer leakage opening (102);
the blocking mechanism (2) comprises a fixing plate (201), the fixing plate (201) is fixedly connected with the inner wall of the outer leakage opening (102), and a sliding release mechanism is arranged on the fixing plate (201) in a sliding mode.
2. A crescent gear pump with good dwell pressure as claimed in claim 1, characterized in that a plurality of screws are connected between the crescent gear pump body (1) and the rear cover (101).
3. A crescent gear pump with good pressure maintaining effect according to claim 1, characterized in that the sliding type releasing mechanism comprises a sliding rod (202), the sliding rod (202) is disposed through the fixing plate (201), the sliding rod (202) is connected with a blocking plate (203) at the inner side of the fixing plate (201), and a plurality of blocking columns (204) with uniform circumference are fixedly connected to one surface of the blocking plate (203) close to the fixing plate (201).
4. An internal gear pump with good pressure maintaining effect according to claim 3, wherein a plurality of oil flow ports (205) are drilled on the fixing plate (201), the oil flow ports (205) are arranged in one-to-one correspondence with the blocking columns (204), and the blocking columns (204) are inserted into the oil flow ports (205).
5. A crescent gear pump with good pressure maintaining effect according to claim 3, wherein a side wall of one end of the sliding rod (202) far away from the blocking plate (203) is connected with a limiting ring (206), an elastic pad (207) is arranged between the limiting ring (206) and the fixing plate (201), and the elastic pad (207) is sleeved on the outer side of the sliding rod (202).
6. An internal gear pump with good pressure maintaining effect according to claim 5, wherein the diameter of the limiting ring (206) is smaller than the diameter of the circle where the oil flow ports (205) are located.
7. An internal gear pump with good pressure maintaining effect according to claim 5, wherein the blocking column (204) and the limiting ring (206) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586296.XU CN217002263U (en) | 2022-03-17 | 2022-03-17 | Effectual crescent gear pump of pressurize |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586296.XU CN217002263U (en) | 2022-03-17 | 2022-03-17 | Effectual crescent gear pump of pressurize |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002263U true CN217002263U (en) | 2022-07-19 |
Family
ID=82371241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220586296.XU Active CN217002263U (en) | 2022-03-17 | 2022-03-17 | Effectual crescent gear pump of pressurize |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002263U (en) |
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2022
- 2022-03-17 CN CN202220586296.XU patent/CN217002263U/en active Active
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