CN219932421U - Lifting oil pump assembly - Google Patents
Lifting oil pump assembly Download PDFInfo
- Publication number
- CN219932421U CN219932421U CN202321351710.XU CN202321351710U CN219932421U CN 219932421 U CN219932421 U CN 219932421U CN 202321351710 U CN202321351710 U CN 202321351710U CN 219932421 U CN219932421 U CN 219932421U
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- reversing
- oil pump
- pump assembly
- valve
- valve core
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- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the field of lifting and overturning systems of automobile cabs, and particularly relates to a lifting oil pump assembly. A lifting oil pump assembly is applied to lifting and overturning of an automobile cab and comprises a shell, a reversing valve and a reversing tool. The reversing valve is assembled in the shell; the reversing valve is provided with a valve core, and the operating end of the valve core is provided with a special-shaped structure; the reversing tool comprises a body, wherein one end of the body is provided with an operating rod, and the other end of the body is provided with a groove matched with the special-shaped structure. According to the lifting oil pump assembly, the reversing sleeve and the pin shaft are omitted, the valve core is subjected to reversing operation by the reversing tools, the operation is simple, the uncontrollable reversing risk is effectively avoided, and the problem that the reversing is easy to cause by misoperation in the prior art is solved.
Description
Technical Field
The utility model belongs to the field of lifting and overturning systems of automobile cabs, and particularly relates to a lifting oil pump assembly.
Background
The lifting oil pump assembly is mainly used for lifting and overturning a cab so as to maintain when a truck, an engineering vehicle or the like needs to be replaced and repaired. In the related art, the lifting oil pump assembly generally comprises a reversing valve, and the lifting overturning of the cab is realized by changing an oil way through reversing of the reversing valve. The reversing structure of the reversing valve is generally a sleeve pin shaft structure, the pin shaft is required to be connected with a valve core and a sleeve of the reversing valve, and when the reversing valve is lifted and reversed during working, the pin shaft is directly operated to rotate the valve core to realize reversing of the reversing valve, and the lifting and overturning functions of the cab are completed by being matched with the lifting oil pump assembly. However, the reversing structure is exposed in the driving process, so that the reversing is caused by misoperation of external factors, and a certain risk may be caused because the reversing gear of the lifting oil pump assembly is not in the descending position in the driving process.
Disclosure of Invention
The utility model provides a lifting oil pump assembly which is used for solving the problem that in the prior art, the reversing is easy to occur due to misoperation.
The utility model provides a lifting oil pump assembly, which is applied to lifting and overturning of an automobile cab, and comprises the following components:
the shell body is provided with a plurality of grooves,
a reversing valve fitted within the housing; the reversing valve is provided with a valve core, and the operating end of the valve core is provided with a special-shaped structure;
the reversing tool comprises a body, wherein one end of the body is provided with an operating rod, and the other end of the body is provided with a groove matched with the special-shaped structure.
According to the lifting oil pump assembly, the reversing sleeve and the pin shaft are omitted, the valve core is subjected to reversing operation by the reversing tools, the operation is simple, the uncontrollable reversing risk is effectively avoided, and the problem that the reversing is easy to cause by misoperation in the prior art is solved. Meanwhile, the assembly of parts is reduced, and the cost can be improved to a certain extent.
In the technical scheme of an embodiment, the operating end of the valve core is of a knurled cylindrical pin structure, and the inner wall of the groove is provided with a knurled structure matched with the knurled cylindrical pin structure.
In an embodiment of the present utility model, the operation end of the valve core is provided with a connecting key structure, and the inner wall of the groove is provided with a key slot structure matched with the connecting key structure.
In an embodiment, one end of the body is provided with a radial through hole, and the operating rod is disposed in the through hole and forms a cross-shaped structure with the body.
In an embodiment, the operating end of the valve core is located outside the housing.
In the technical scheme of an embodiment, a limiting rod is configured on the operation end, a limiting piece is configured outside the reversing valve, and the limiting piece is located on the running track of the limiting rod and used for limiting the rotation of the valve core.
In an embodiment, the stop lever and the valve core form a cross-shaped structure.
In an embodiment, the wall of the body is provided with a notch matched with the limit rod.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
The drawings in the present utility model are for illustrating preferred embodiments and are not to be construed as limiting the utility model as various other advantages and benefits will be apparent to those of ordinary skill in the art. Also, like reference numerals are used to designate like parts throughout the accompanying drawings.
FIG. 1 is a schematic front view of a lift oil pump assembly according to an embodiment of the present utility model.
FIG. 2 is a schematic side view of a lift oil pump assembly according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a reversing tool according to an embodiment of the utility model.
Fig. 4 is a schematic diagram of a reversing tool according to an embodiment of the utility model.
Reference numerals illustrate: a housing 10, a stopper 11; the reversing valve 20, the valve core 21 and the limiting rod 22; body 31, lever 32, notch 33.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.
In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1-4, an embodiment of the present utility model provides a lifting oil pump assembly for lifting and turning an automobile cab, wherein the lifting oil pump assembly mainly comprises a housing 10, a reversing valve 20 and a reversing tool. The casing 10 has a reversing valve 20 therein, and an operation end of a valve body 21 of the reversing valve 20 is configured in a deformed configuration. The reversing tool comprises a body 31, an operating rod 32 is arranged at one end of the body 31, and a groove matched with the special-shaped structure is formed in the other end of the body 31. When the lifting oil pump assembly is used, the reversing tool is inserted into the operation end of the valve core 21, the reversing tool is manually rotated forward through the operation rod 32, so that the valve core 21 is driven to rotate to a designated position, the reversing valve 20 is in a bidirectional oil outlet state, and the lifting oil pump assembly controls the lifting state of a lifting system; conversely, when the reversing valve 20 is in a one-way oil outlet state, the lifting oil pump assembly controls the lifting system to descend; after the use, the reversing tool can be taken down and stored in the cab. According to the utility model, the valve core 21 is subjected to reversing operation by adopting reversing tools, and meanwhile, the reversing sleeve and the pin shaft are also omitted, so that the operation is simple, the uncontrollable reversing risk is effectively avoided, and the problem of reversing caused by easy misoperation in the prior art is solved. Meanwhile, the assembly of parts is reduced, and the cost can be improved to a certain extent.
It will be appreciated that the present utility model is an improvement on the basis of the existing lifting oil pump assembly, the casing 10 is further internally provided with related oil path pipelines, etc., the casing is further externally provided with a conical thread oil pipe joint, an oil plug assembly, etc., and the reversing valve 20 is further provided with a valve body, an end cover, a sealing member, etc., which are not described in detail because of no innovation points related to the present utility model.
Specifically, the operating end of the valve core 21 may adopt a knurled cylindrical pin structure or a connecting key structure, and the inner wall of the groove is provided with a knurled structure matched with the knurled cylindrical pin structure or a key slot structure matched with the connecting key structure. The above is merely illustrative and the associated connection structures should be protected.
Referring to fig. 2 and 4, in some embodiments, one end of the body 31 is provided with a radial through hole, and the lever 32 is mounted in the through hole and forms a cross-shaped structure with the body 31. The reversing tool is designed into a cross-shaped structure, so that the volume can be reduced, and the operation is convenient.
Referring to fig. 1 and 2, in some embodiments, the operating end of the valve spool 21 is located outside the housing 10, facilitating the provision of a seal between the valve spool 21 and the housing 10. And the exposed valve core 21 is designed the same as the original lifting oil pump assembly, the structure of the shell 10 is not required to be redesigned, and the reconstruction cost is reduced.
Referring to fig. 1 and 2, in some embodiments, a stop lever 22 is disposed on the operation end, a stop member 11 is disposed outside (the valve body of) the reversing valve 20, and the stop member 11 is located on the running track of the stop lever 22, and is used to limit the rotation of the valve core 21, so that the valve core 21 can be prevented from over-rotating when reversing operation is performed by using a reversing tool. Specifically, the stopper rod 22 forms a cross-shaped structure with the spool 21.
Further, in order to match with the design of the stop lever 22, a notch 33 matching with the stop lever 22 may be formed on the wall of the body 31, so as to facilitate the plugging of the body 31 and the operating end of the valve core 21.
In summary, the embodiment of the utility model provides a lifting oil pump assembly, which can avoid risks caused by reversing caused by external factors due to the exposed reversing structure in the driving process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no contradictory conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (8)
1. The utility model provides a lift oil pump assembly, is applied to car driver's cabin and lifts upset, which characterized in that includes:
the shell body is provided with a plurality of grooves,
a reversing valve fitted within the housing; the reversing valve is provided with a valve core, and the operating end of the valve core is provided with a special-shaped structure;
the reversing tool comprises a body, wherein one end of the body is provided with an operating rod, and the other end of the body is provided with a groove matched with the special-shaped structure.
2. The lift oil pump assembly of claim 1, wherein the operating end of the valve core is a knurled cylindrical pin structure, and the inner wall of the groove is provided with a knurled structure matched with the knurled cylindrical pin structure.
3. The lift oil pump assembly of claim 1, wherein the operating end of the valve core is provided with a connecting key structure, and the inner wall of the groove is provided with a key slot structure matched with the connecting key structure.
4. The lift oil pump assembly of claim 1, wherein one end of the body is provided with a radial through hole, and the operating lever is disposed in the through hole and forms a cross-shaped structure with the body.
5. The lift oil pump assembly of claim 1, wherein the operating end of the valve spool is located outside the housing.
6. The lift oil pump assembly of claim 5, wherein the operating end is provided with a limit lever, the reversing valve is externally provided with a limit member, and the limit member is positioned on the running track of the limit lever and is used for limiting the rotation of the valve core.
7. The lift oil pump assembly of claim 6, wherein the stop bar and the valve spool form a "cross" configuration.
8. The lift oil pump assembly of claim 6, wherein the body has a barrel wall with a notch matching the stop lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351710.XU CN219932421U (en) | 2023-05-30 | 2023-05-30 | Lifting oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351710.XU CN219932421U (en) | 2023-05-30 | 2023-05-30 | Lifting oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932421U true CN219932421U (en) | 2023-10-31 |
Family
ID=88499807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321351710.XU Active CN219932421U (en) | 2023-05-30 | 2023-05-30 | Lifting oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932421U (en) |
-
2023
- 2023-05-30 CN CN202321351710.XU patent/CN219932421U/en active Active
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