CN220354194U - Compact hydraulic manual switching device - Google Patents
Compact hydraulic manual switching device Download PDFInfo
- Publication number
- CN220354194U CN220354194U CN202321896954.6U CN202321896954U CN220354194U CN 220354194 U CN220354194 U CN 220354194U CN 202321896954 U CN202321896954 U CN 202321896954U CN 220354194 U CN220354194 U CN 220354194U
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- connecting rod
- rod
- hydraulic
- switching device
- manual
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 abstract description 7
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a compact hydraulic manual switching device, which comprises: the hydraulic oil way block comprises a hydraulic oil way block, an operating rod, a manual hydraulic pump and a reversing valve, wherein the manual hydraulic pump is arranged on one side of the hydraulic oil way block, the reversing valve is arranged at the top of the hydraulic oil way block, the operating rod comprises a connecting rod and an extension rod, the connecting rod is arranged at the driving end of the manual hydraulic pump, the extension rod is arranged at the front end of the connecting rod in a stretchable and swinging manner, a pin seat is arranged at the front end of the connecting rod, a connecting block arranged in the pin seat is arranged at the tail end of the extension rod, waist holes extending along the length direction of the connecting rod are formed in two sides of the pin seat, pin shafts extending into the waist holes are arranged in the connecting block, and clamping grooves corresponding to the upper parts of the connecting rod are concavely arranged at the bottom of the connecting block. Through the mode, the compact hydraulic manual switching device reduces the occupied space during transportation and installation and saves labor during operation.
Description
Technical Field
The utility model relates to the field of hydraulic switching mechanisms, in particular to a compact hydraulic manual switching device.
Background
In a hydraulic system, in order to improve the degree of automation, the electric hydraulic pump and the electromagnetic valve can be utilized to drive and reverse the actuator, so that the reaction speed of the actuator is high, the working efficiency is high, and the application range is wider.
The hydraulic system including the electric hydraulic pump and the solenoid valve has a relatively complex structure and requires a corresponding power supply to supply power. Therefore, when the electric hydraulic pump or the electromagnetic valve fails or the power supply fails, the hydraulic system is basically paralyzed, the actuator cannot control, and the loss is high or the danger is high. In order to improve the reliability and safety of the hydraulic system, a manual switching device can be added, and manual driving and reversing of the actuator can be performed in emergency. The manual switching device belongs to a spare part, and in order to reduce the space occupied during transportation and installation, the required volume is as small as possible, but the manual switching device is often inconvenient to operate after the structure is reduced, and the manual switching device is relatively laborious and needs to be improved.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the compact hydraulic manual switching device, which improves the compactness of the structure and the convenience in operation and reduces the occupied space in transportation and installation.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a compact hydraulic manual switching device including: the hydraulic oil way block comprises a hydraulic oil way block, an operating rod, a manual hydraulic pump and a reversing valve, wherein the manual hydraulic pump is arranged on one side of the hydraulic oil way block, the reversing valve is arranged at the top of the hydraulic oil way block, the operating rod comprises a connecting rod and an extension rod, the connecting rod is arranged at the driving end of the manual hydraulic pump, the extension rod is arranged at the front end of the connecting rod in a stretchable and swinging manner, a pin seat is arranged at the front end of the connecting rod, a connecting block arranged in the pin seat is arranged at the tail end of the extension rod, waist holes extending along the length direction of the connecting rod are formed in two sides of the pin seat, pin shafts extending into the waist holes are arranged in the connecting block, and clamping grooves corresponding to the upper parts of the connecting rod are concavely arranged at the bottom of the connecting block.
In a preferred embodiment of the utility model, the operating rod further comprises a handle, the top of the extending rod is provided with a plug bush corresponding to the handle, and the tail end of the handle is concentrically arranged in the plug bush.
In a preferred embodiment of the utility model, a screw for fastening the handle is arranged on one side of the plug bush.
In a preferred embodiment of the utility model, when the extension rod is stretched outwards along the length direction of the connecting rod, the pin shaft moves along the waist hole to limit, and the clamping groove is gradually separated from the upper part of the connecting rod.
In a preferred embodiment of the present utility model, the width of the clamping groove corresponds to the upper width of the connecting rod.
In a preferred embodiment of the utility model, the reversing valve is a manual reversing valve.
The beneficial effects of the utility model are as follows: the compact hydraulic manual switching device provided by the utility model can be used for manually switching the reversing valve, is simple and convenient to operate and compact in structure, can be used for bending and accommodating the operating rod, reduces the occupied space during transportation and installation, is quick to unfold and is more labor-saving to operate.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a compact hydraulic manual switching device according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the joystick of FIG. 1 after being stretched;
fig. 3 is a schematic view of the structure of the joystick of fig. 1 after being stretched and bent.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1 to 3, an embodiment of the present utility model includes:
the compact hydraulic manual switching device as shown in fig. 1 includes: the hydraulic oil circuit block 2, the control rod 1, the manual hydraulic pump 4 and the reversing valve 3, wherein the manual hydraulic pump 4 is arranged on one side of the hydraulic oil circuit block 2, the structure is compact, and the connection between the other side of the hydraulic oil circuit block 2 and the original electric control hydraulic system is not affected.
Furthermore, the reversing valve 3 is arranged at the top of the hydraulic oil way block 2 and is matched with the hydraulic oil way block 2 to switch the hydraulic oil way manually and automatically, so that the manual switching and the automatic switching of the hydraulic oil way are not affected. In the embodiment, the reversing valve 3 adopts a manual reversing valve, so that the switching operation is simple and convenient, and the power supply is not needed.
As shown in fig. 2 and 3, the joystick 1 includes a link 11 and an extension rod 12, the link 11 being provided at a driving end of the manual hydraulic pump 4, and the manual hydraulic pump 4 being driven by the link 11. In order to reduce the space taken up during transportation and installation, the length of the connecting rod 11 is controlled to be short, the operation is laborious, the extension rod 12 is required to be extended, and the compactness of the structure is required to be ensured.
The extension rod 12 is arranged at the front end of the connecting rod 11 in a stretchable and swinging manner, so that the physical strength of operation can be saved, the extension rod can be turned over and stored, and the occupied space during transportation and installation is reduced. The front end of the connecting rod 11 is provided with a pin seat 111, the tail end of the extension rod 12 is provided with a connecting block 122 arranged in the pin seat 111, two sides of the pin seat 111 are provided with waist holes 112 extending along the length direction of the connecting rod 11, and the connecting block 122 is provided with a pin shaft 124 extending into the waist holes 112, so that the extension rod 12 can be conveniently turned and stored.
As shown in fig. 1, a clamping groove 123 corresponding to the upper part of the connecting rod 11 is concavely arranged at the bottom of the connecting block 122, in this embodiment, the width of the clamping groove 123 corresponds to the upper part of the connecting rod 11, so that the connection between the extension rod 12 and the connecting rod 11 is realized, the operation arm of force of the connecting rod 11 is prolonged, and more labor is saved. When the extension rod 12 is turned and stored, as shown in fig. 2 and 3, the extension rod 12 is first pulled, and when the extension rod 12 is pulled outward in the longitudinal direction of the link 11, the pin 124 moves along the waist hole 112 to limit, the locking groove 123 gradually disengages from the upper portion of the link 11, and then the extension rod 12 is turned and stored.
In addition, the cooperation of the pin shaft 124 and the waist hole 112 improves the convenience of stretching and overturning operations of the extension rod 12 and avoids the problems of falling and losing of the extension rod 12.
In order to improve the hand feeling of the operation, in this embodiment, the joystick further includes a handle 13, a sleeve 121 corresponding to the handle 13 is disposed on the top of the extension rod 12, and the end of the handle 13 is concentrically disposed in the sleeve 121, so as to facilitate the holding and the operation, and further increase the length of the extension rod 12.
In this embodiment, the screw 14 for fastening the handle 13 is provided on one side of the insert 121, so that the handle 13 is conveniently mounted and dismounted, and the handle 13 can be individually packaged or replaced, so that the use process is flexible.
In conclusion, the compact hydraulic manual switching device is compact in structure, reduces occupied space during transportation and installation, is simple and convenient to operate, saves labor, and can be additionally arranged in an electric control hydraulic system for emergency use when the electric control hydraulic system fails.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Claims (6)
1. A compact hydraulic manual switching device, comprising: the hydraulic oil way block comprises a hydraulic oil way block, an operating rod, a manual hydraulic pump and a reversing valve, wherein the manual hydraulic pump is arranged on one side of the hydraulic oil way block, the reversing valve is arranged at the top of the hydraulic oil way block, the operating rod comprises a connecting rod and an extension rod, the connecting rod is arranged at the driving end of the manual hydraulic pump, the extension rod is arranged at the front end of the connecting rod in a stretchable and swinging manner, a pin seat is arranged at the front end of the connecting rod, a connecting block arranged in the pin seat is arranged at the tail end of the extension rod, waist holes extending along the length direction of the connecting rod are formed in two sides of the pin seat, pin shafts extending into the waist holes are arranged in the connecting block, and clamping grooves corresponding to the upper parts of the connecting rod are concavely arranged at the bottom of the connecting block.
2. The compact hydraulic manual switching device according to claim 1, wherein the lever further comprises a handle, the extension rod top is provided with a socket corresponding to the handle, and the handle end is concentrically disposed in the socket.
3. The compact hydraulic manual switching device according to claim 2, wherein a screw for fastening a handle is provided at one side of the socket.
4. The compact hydraulic manual switching device according to claim 1, wherein when the extension rod is stretched outwards along the length direction of the connecting rod, the pin shaft moves along the waist hole to limit, and the clamping groove is gradually separated from the upper portion of the connecting rod.
5. The compact hydraulic manual switching device according to claim 1, wherein a width of the clamping groove corresponds to an upper width of the link.
6. The compact hydraulic manual switching device of claim 1, wherein the reversing valve is a manual reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896954.6U CN220354194U (en) | 2023-07-19 | 2023-07-19 | Compact hydraulic manual switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896954.6U CN220354194U (en) | 2023-07-19 | 2023-07-19 | Compact hydraulic manual switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354194U true CN220354194U (en) | 2024-01-16 |
Family
ID=89500667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321896954.6U Active CN220354194U (en) | 2023-07-19 | 2023-07-19 | Compact hydraulic manual switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354194U (en) |
-
2023
- 2023-07-19 CN CN202321896954.6U patent/CN220354194U/en active Active
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