CN212867793U - Manual pump system and truck - Google Patents
Manual pump system and truck Download PDFInfo
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- CN212867793U CN212867793U CN202021695208.7U CN202021695208U CN212867793U CN 212867793 U CN212867793 U CN 212867793U CN 202021695208 U CN202021695208 U CN 202021695208U CN 212867793 U CN212867793 U CN 212867793U
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- level sensor
- sensor assembly
- liquid level
- pump system
- manual pump
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Abstract
The utility model relates to an automobile manufacturing technical field specifically discloses a manual pump system and truck. The manual pump system includes a housing, a level sensor assembly, a seal, an alarm assembly, and a controller. The shell is provided with an accommodating cavity, and a threaded hole is formed in the bottom wall of the shell; the liquid level sensor assembly penetrates through the threaded hole and is in threaded connection with the threaded hole, and the upper end of the liquid level sensor assembly is arranged in the accommodating cavity; the sealing element is arranged between the liquid level sensor assembly and the shell so as to enable the liquid level sensor assembly to be in sealing connection with the threaded hole; the liquid level sensor assembly and the alarm assembly are both electrically connected with the controller. The utility model provides a hydraulic oil level information transmission that manual pump system's level sensor assembly will detect gives the controller to judge whether this liquid level is less than minimum liquid level through the controller, if be less than minimum liquid level, then controller control alarm subassembly is reported to the police, thereby makes the user in time discover that hydraulic oil is not enough, and in time supply hydraulic oil.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field especially relates to a manual pump system and truck.
Background
The hydraulic lifting system for overturning the truck cab is generally used for realizing oil storage and pressurization functions by a manual pump, the manual pump in the prior art possibly has the problem of insufficient oil filling amount during actual loading, but when the oil filling amount is insufficient, or in the use process of a user, the user cannot find the oil filling amount in time due to the loss caused by various reasons, and the hydraulic oil is insufficient to lead to the fact that the whole lifting system cannot normally lift the cab.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a manual pump system to when the hydraulic oil that holds the intracavity is not enough, in time remind the user to supply hydraulic oil.
To achieve the purpose, the utility model adopts the following technical proposal:
a manual pump system comprising:
the hydraulic oil pump comprises a shell, a hydraulic oil pump body and a hydraulic oil pump, wherein the shell is provided with an accommodating cavity, hydraulic oil can be accommodated in the accommodating cavity, and a threaded hole is formed in the bottom wall of the shell;
the liquid level sensor assembly penetrates through the threaded hole and is in threaded connection with the threaded hole, and the upper end of the liquid level sensor assembly is arranged in the accommodating cavity so as to detect the liquid level of the hydraulic oil in the accommodating cavity;
the sealing element is arranged between the liquid level sensor assembly and the shell so as to enable the liquid level sensor assembly to be connected with the threaded hole in a sealing mode;
the liquid level sensor assembly and the alarm assembly are electrically connected with the controller.
Preferably, the liquid level sensor assembly comprises a connecting part, an external thread is arranged on the connecting part, and the connecting part is in threaded connection with the threaded hole.
Preferably, the external thread is a conical thread.
Preferably, a check ring is arranged outside the connecting portion, the sealing element is a sealing ring, and the sealing ring is sleeved outside the liquid level sensor assembly and arranged between the check ring and the shell.
Preferably, the lower end of the liquid level sensor assembly is located outside the accommodating cavity and is connected with a wiring harness connector, and the liquid level sensor assembly is electrically connected with the alarm component through the wiring harness connector.
Preferably, the protection safety level of the wiring harness joint is not lower than IP 67.
Preferably, the alarm component is an indicator light.
Preferably, the indicator light is provided on an instrument panel in the cab.
Preferably, the liquid level sensor assembly is a floating ball type liquid level sensor.
Another object of the utility model is to provide a truck to avoid the phenomenon that the driver's cabin that leads to because of the hydraulic oil is not enough in the manual pump system lifts not in place to take place.
To achieve the purpose, the utility model adopts the following technical proposal:
a truck comprising the above manual pump system.
The utility model has the advantages that:
the utility model provides a threaded hole spiro union on level sensor assembly of manual pump system and the casing to be connected level sensor assembly and casing. The upper end of the liquid level sensor assembly is arranged in the containing cavity to detect the liquid level of hydraulic oil in the containing cavity. The sealing member sets up between level sensor assembly and casing to make level sensor assembly and screw hole sealing connection, avoid flowing out between hydraulic oil level sensor assembly and the screw hole. The liquid level sensor assembly and the alarm assembly are both electrically connected with the controller. The liquid level sensor assembly transmits detected hydraulic oil liquid level information to the controller, whether the liquid level is lower than the lowest liquid level or not is judged through the controller, if the liquid level is lower than the lowest liquid level, the controller controls the alarm assembly to give an alarm, and therefore a user can find that hydraulic oil is insufficient in time and supplement the hydraulic oil in time.
Drawings
Fig. 1 is a schematic structural diagram of a manual pump system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a liquid level sensor assembly and a sealing member according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a safety valve; 3. a manual pump base plate; 4. a pressurized hexagonal head; 5. a reversing lever; 6. an oil guide pipe; 7. a nipple joint; 8. a liquid level sensor assembly; 81. magnetic suspension; 82. a wire harness joint; 83. a connecting portion; 84. a retainer ring; 9. and a seal.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
The present invention is limited to certain orientation words, and when no opposite explanation is given, the used orientation words are "upper", "lower", "left", "right", "inner" and "outer", and these orientation words are adopted for easy understanding, and therefore do not constitute a limitation to the scope of the present invention.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a manual pump system which is used in a hydraulic lifting system for lifting a cab of a truck to remind a user of replenishing hydraulic oil in time when the hydraulic oil in a containing cavity is insufficient.
As shown in fig. 1, the present embodiment provides a manual pump system including a housing 1, a level sensor assembly 8, a seal 9, an alarm assembly and a controller. Wherein, casing 1 is used for holding hydraulic oil, and level sensor assembly 8 is used for detecting the liquid level of the hydraulic oil in the casing 1, and sealing member 9 is used for avoiding holding the hydraulic oil outflow of intracavity, and the alarm component is used for when holding the hydraulic oil volume of intracavity not enough, reminds the user.
Specifically, casing 1 has and holds the chamber, holds the intracavity and can hold hydraulic oil, offers threaded hole on the diapire of casing 1. The liquid level sensor assembly 8 penetrates through the threaded hole and is in threaded connection with the threaded hole, so that the liquid level sensor assembly 8 is connected with the shell 1.
The upper end of the liquid level sensor assembly 8 is arranged in the accommodating cavity to detect the liquid level of the hydraulic oil in the accommodating cavity. Sealing member 9 sets up between level sensor assembly 8 and casing 1 to make level sensor assembly 8 and screw hole sealing connection, avoid flowing out between hydraulic oil level sensor assembly 8 and the screw hole. The level sensor assembly 8 and the alarm assembly are both electrically connected to the controller.
The liquid level sensor assembly 8 transmits the detected hydraulic oil liquid level information to the controller, and judges whether the liquid level is lower than the lowest liquid level through the controller, if so, the controller controls the alarm component to give an alarm, so that a user can find that the hydraulic oil is insufficient in time and supplement the hydraulic oil in time. In this embodiment, the control mechanism may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer or may be formed by a plurality of distributed single-chip microcomputers, and a control program may be run in the single-chip microcomputers to control the above-mentioned components to implement their functions. The specific structure and operation principle of the controller are the prior art, and are not described in detail herein.
Preferably, the level sensor assembly 8 is a float ball level sensor. The alarm component is an indicator light. The pilot lamp sets up on the panel board in the driver's cabin to whether the volume of the hydraulic oil of user observation at any time is low.
When the hydraulic oil level in the shell 1 is high, the magnetic suspension 81 of the floating ball type liquid level sensor floats to the top end of the floating ball type liquid level sensor under the action of buoyancy, at the moment, a reed switch arranged in the floating ball type liquid level sensor is closed, signals are output to a controller, and at the moment, an indicator lamp on the instrument does not display; when the hydraulic oil level in the shell 1 is low to a certain height, the magnetic suspension 81 of the floating ball type liquid level sensor descends under the action of self gravity, at the moment, a reed switch arranged in the floating ball type liquid level sensor is disconnected, a signal is output to the controller, the controller controls the indicator lamp to be on so as to prompt a user that the hydraulic oil level is too low, remind a driver to check the system and timely supplement the hydraulic oil, and avoid the related problems caused by the fact that a cab is not lifted in place.
Preferably, the lower end of the liquid level sensor assembly 8 is located outside the receiving cavity and is connected to the wiring harness connector 82, and the liquid level sensor assembly 8 is electrically connected to the alarm component through the wiring harness connector 82. Preferably, the harness connector 82 has a protection safety level not lower than IP67 so that the harness connector 82 can protect against dust ingestion and against short soak. It will be appreciated that different types of harness connector 82 may be used depending on the needs of different vehicles.
As shown in fig. 1 and 2, in order to connect the liquid level sensor assembly 8 with the threaded hole, the liquid level sensor assembly 8 includes a connecting portion 83, an external thread is provided on the connecting portion 83, and the connecting portion 83 is screwed with the threaded hole. Preferably, the external threads are conical threads to further improve the seal between the level sensor assembly 8 and the threaded bore.
A retainer ring 84 is arranged outside the connecting part 83, the sealing element 9 is a sealing ring, and the sealing ring is sleeved outside the liquid level sensor assembly 8 and arranged between the retainer ring 84 and the shell 1. By providing the retainer ring 84 outside the connecting portion 83, the stability of the connection of the seal 9 can be improved and the sealing performance of the seal 9 can be ensured.
As shown in fig. 1, the casing 1 is further connected with a safety valve 2, a manual pump base plate 3, a pressure hexagonal head 4, a reversing rod 5, an oil guide pipe 6 and an oil nozzle joint 7. Wherein, manual pump base plate 3 passes through threaded connection with casing 1, and manual pump base plate 3 sets up and holds the pressurization passageway of chamber intercommunication, and manual pump base plate 3 provides glib talker and connects 7, pressurization hexagon head 4, reversing bar 5, leads the fixed position of oil pipe 6. The safety valve 2 is a hydraulic oil filling port, the pressurization of a lifting system can be realized by rotating a pressurization hexagonal head 4, a reversing rod 5 can switch a pressurized hydraulic oil outlet, an oil guide pipe 6 is used for realizing the communication between a containing cavity and the outside and realizing the air intercommunication under certain pressure, and an oil nozzle joint 7 is connected with the oil pipe so as to supplement oil for the containing cavity.
The embodiment also provides a truck which comprises the manual pump system, and the truck provided by the embodiment can avoid the phenomenon that a cab is not lifted in place due to insufficient hydraulic oil in the manual pump system.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A manual pump system, comprising:
the hydraulic oil pump comprises a shell (1), wherein the shell (1) is provided with an accommodating cavity, hydraulic oil can be accommodated in the accommodating cavity, and a threaded hole is formed in the bottom wall of the shell (1);
the liquid level sensor assembly (8) penetrates through the threaded hole and is in threaded connection with the threaded hole, and the upper end of the liquid level sensor assembly (8) is arranged in the accommodating cavity so as to detect the liquid level of the hydraulic oil in the accommodating cavity;
the sealing piece (9) is arranged between the liquid level sensor assembly (8) and the shell (1) so as to enable the liquid level sensor assembly (8) to be in sealing connection with the threaded hole;
the liquid level sensor assembly (8) and the alarm assembly are electrically connected with the controller.
2. The manual pump system according to claim 1, characterized in that the level sensor assembly (8) comprises a connection portion (83), on which connection portion (83) an external thread is provided, the connection portion (83) being in threaded engagement with the threaded hole.
3. The manual pump system of claim 2, wherein the external threads are conical threads.
4. The manual pump system according to claim 2, characterized in that a retaining ring (84) is provided outside said connecting portion (83), said sealing member (9) is a sealing ring, said sealing ring is sleeved outside said liquid level sensor assembly (8) and is provided between said retaining ring (84) and said housing (1).
5. The manual pump system according to claim 1, characterized in that the lower end of said level sensor assembly (8) is located outside said housing chamber and is connected with a harness connector (82), said level sensor assembly (8) being electrically connected with said alarm assembly through said harness connector (82).
6. The manual pump system of claim 5, wherein said harness connector (82) has a protection safety level not lower than IP 67.
7. The manual pump system of claim 1, wherein the warning assembly is an indicator light.
8. The manual pump system of claim 7, wherein the indicator light is disposed on an instrument panel within the cab.
9. A hand pump system according to any of claims 1-8, characterized in that the level sensor assembly (8) is a float level sensor.
10. A truck comprising a manual pump system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695208.7U CN212867793U (en) | 2020-08-14 | 2020-08-14 | Manual pump system and truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695208.7U CN212867793U (en) | 2020-08-14 | 2020-08-14 | Manual pump system and truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867793U true CN212867793U (en) | 2021-04-02 |
Family
ID=75221336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021695208.7U Active CN212867793U (en) | 2020-08-14 | 2020-08-14 | Manual pump system and truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867793U (en) |
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2020
- 2020-08-14 CN CN202021695208.7U patent/CN212867793U/en active Active
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