CN221425967U - Automobile hand brake force measuring tool - Google Patents
Automobile hand brake force measuring tool Download PDFInfo
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- CN221425967U CN221425967U CN202323425825.1U CN202323425825U CN221425967U CN 221425967 U CN221425967 U CN 221425967U CN 202323425825 U CN202323425825 U CN 202323425825U CN 221425967 U CN221425967 U CN 221425967U
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- hand brake
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- power arm
- pull rod
- output gear
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automobile hand brake force measuring tool, which comprises a shell, a hand brake driving mechanism, a power assisting arm, a pressure detecting piece and a control unit, wherein a through groove is vertically formed in one side surface of a first shell of the shell; the hand brake driving mechanism is provided with a motor, an output gear and a power arm for driving the hand brake to rotate, wherein the output gear is partially positioned in the through groove, and one end part of the power arm is provided with an arc-shaped rack meshed with the output gear; the power arm is hinged with the power arm through a pin shaft, and the end part of the pin shaft is provided with a positioning pin inserted in a hand brake steering hole. According to the utility model, the motor can drive the arc-shaped rack to rotate through the output gear, so that the rotation of the power arm is realized, the hand brake can be pulled up by the power arm, the hand brake rotates by a fixed angle, and the pressure sensor is used for detecting pressure, so that the interference of human factors can be avoided, the rotation angle and the measurement standard of the hand brake are unified, the accuracy of the measurement result is further improved, the measurement efficiency is also improved, and the influence on the production beat is reduced.
Description
Technical Field
The utility model relates to the field of automobile production, in particular to an automobile hand brake force measuring tool.
Background
The hand brake system is an important component in a vehicle brake system, and can be used in slope parking and N-gear parking. The hand brake pull is an important index of subjective feeling of the user, and excessive hand brake pull can cause complaints to the user and even lose confidence in the automobile brand. Thus, it is necessary to test the hand brake pull force during the production of automobiles.
At present, the manual detection of the hand brake mainly depends on manual work and combines with a tension meter, but because of different subjective feelings of individuals, the perceived tension is inconsistent every time, the testing quality cannot be ensured, and the condition that unqualified is misjudged as qualified exists. In addition, the test needs to be performed manually one by one during the test, the test efficiency is low, and the production beat is affected. Therefore, a measuring tool capable of directly measuring the hand brake pull force is urgently needed.
Disclosure of Invention
In view of the above, the utility model provides an automobile hand brake force measuring tool, which avoids the interference of human factors and greatly improves the measuring precision and the measuring efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model relates to an automobile hand brake force measuring tool, which comprises
The shell is provided with a first shell, and one side surface of the first shell is provided with a through groove which is vertically formed;
The hand brake driving mechanism is provided with a motor arranged in the first shell, an output gear in transmission connection with the motor and a power arm for driving the hand brake to rotate, wherein the output gear part is positioned in the through groove, and one end part of the power arm is provided with an arc-shaped rack meshed with the output gear;
the power arm is hinged with the power arm through a pin shaft, and the end part of the pin shaft is provided with a positioning pin inserted into a hand brake steering hole;
The pressure detection piece is arranged at the power end of the power arm;
The control unit is provided with a controller and a display screen, the signal output end of the pressure detection part is connected with the signal input end of the controller, and the signal output end of the controller is connected with the signal input end of the display screen.
The beneficial effects are that: according to the utility model, the motor can drive the arc-shaped rack to rotate through the output gear, so that the rotation of the power arm is realized, the hand brake can be pulled up by the power arm, the hand brake rotates by a fixed angle, the pressure signal of the pressure detection part is transmitted to the controller, and the controller displays the pressure signal through the display screen after processing the pressure signal, so that the interference of human factors can be avoided, the rotation angle of the hand brake is unified, the accuracy of a measurement result is further improved, the measurement efficiency is also improved, and the influence on the production beat is reduced.
Preferably, the casing further comprises a second casing connected with the first casing, a power supply is arranged in the second casing, and a travel switch for controlling the rotation direction of the motor is arranged on the first casing. When the motor is actually installed, the travel switch is preferably a reed switch travel switch, so that the forward and reverse rotation of the motor can be conveniently controlled; the power supply is a direct current power supply (which can be a storage battery) and provides power for the motor, the pressure detection part and the control unit.
Preferably, the power arm further comprises a first pull rod and a second pull rod perpendicular to the first pull rod, and the second pull rod extends to the lower part of the hand brake; the arc-shaped rack is fixedly connected with the first pull rod. More preferably, the first pull rod, the second pull rod and the arc-shaped rack are of an integrated structure, and the processing is convenient.
Compared with the prior art, the manual brake device has the advantages that the motor and the output gear drive the power arm to rotate around the pin shaft, the manual brake can be pulled up by the power arm to rotate for a fixed angle, and the booster arm acts on the automobile floor in the process, so that the manual brake can be pulled up smoothly. In the measurement process, the pressure signal of the pressure detection part is transmitted to the controller, the pressure signal is processed by the controller and then is directly displayed through the display screen, the result is visual, the interference of artificial factors is effectively avoided, the rotation angle of the hand brake is unified, the accuracy of the measurement result is further improved, the measurement efficiency is further improved, and the influence on the production beat is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic illustration of the omitted housing of the present utility model.
Fig. 3 is a state diagram of the use of the present utility model (hand brake in initial state).
Fig. 4 is a view of the state of use of the present utility model (hand brake in pulled-up state).
Fig. 5 is a schematic block circuit diagram of the present utility model.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
It should be noted that in the description of the present utility model, relational terms such as "first" and "second", and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In the description of the present utility model, the terms "coupled," "connected," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
As shown in fig. 1-2, the automobile hand brake force measuring tool of the utility model comprises a housing 1, a hand brake driving mechanism, a force arm 2, a pressure detecting piece and a control unit, wherein the housing 1 is provided with a first housing 1.1, a second housing 1.2 and a connecting housing 1.3 for connecting the first housing 1.1 and the second housing 1.2 together, a direct current power supply (such as a lithium battery) is arranged in the second housing 1.2, and the direct current power supply is used for providing power for the pressure detecting piece, the control unit and a motor 3.1 which is described later; one end part of the booster arm 2 is arranged in the first shell 1.1 and can act on the automobile floor to provide booster for pulling up the hand brake;
The hand brake driving mechanism is provided with a motor 3.1 (a direct current motor 3.1 is selected) and an output gear 3.2 which are arranged in the first shell 1.1, and also comprises a power arm 3.3 for pulling up the hand brake F; wherein the output gear 3.2 is arranged on a spline shaft of the motor 3.1; the power arm 3.3 is provided with a first pull rod 3.3a, a second pull rod 3.3b arranged at one end part of the first pull rod 3.3a and an arc-shaped rack 3.3c arranged at the other end part of the first pull rod 3.3 a; wherein, a channel is arranged on one side surface of the first shell 1.1 to expose part of the output gear 3.2, so that the output gear 3.2 is meshed with the arc-shaped rack 3.3c, and the power arm 3.3 is driven to rotate; the power arm 2 and the power arm 3.3 are connected through a pin shaft, and the power arm 2 and the power arm 3.3 are in running fit with the pin shaft, so that the power arm 3.3 and the power arm 2 can rotate around the pin shaft. The pin shaft is integrally formed with a locating pin 4 inserted in the hand brake steering hole, and the locating pin 4 can be inserted in the hand brake steering hole during measurement, and the power arm 3.3 is ensured to be positioned below the hand brake F.
In the actual installation, the pressure detecting member is preferably a pressure sensor arranged on the second pull rod 3.3b, and the second pull rod 3.3b directly acts on the hand brake F in the pulling process, so that the corresponding force of pulling the hand brake can be detected.
As can be seen from fig. 5, the control unit has a controller and a display screen with operation buttons, and the controller and the display screen can be integrally mounted together, and then the control unit is mounted on the housing 1, so that the direct viewing is facilitated; the signal output end of the pressure transmission is connected with the signal input end of the controller, and the signal output end of the controller is connected with the signal input end of the display screen. During actual measurement, when the hand brake is in place, the pressure sensor outputs signals to the controller, and the controller processes the signals into pressure values and displays the pressure values through the display screen, so that the measured values of the hand brake can be directly read.
It is noted that the controller of the present utility model may be a general purpose processor, a special purpose processor, a conventional processor, a Digital Signal Processor (DSP), a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, a controller, a microcontroller, an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) circuit, any other type of Integrated Circuit (IC), a state machine, or the like; the system can also be a PLC controller; and can also be an industrial personal computer with important computer attributes and characteristics.
In actual installation, the travel switch of the motor 3.1 is preferably a reed switch travel switch, and the reed switch travel switch can be installed on the first shell 1.1, so that the operation is convenient. During actual operation, the reed switch can control the forward and reverse rotation of the motor 3.1, so as to control the pulling up and resetting of the power arm 3.3.
The working process and principle of the utility model are briefly described as follows: inserting a locating pin 4 into a hand brake steering hole, supporting a second pull rod 3.3b of a power arm 3.3 to the lower edge of a hand brake F, and supporting a power-assisted arm 2 to the floor of an automobile, wherein the specific view is shown in fig. 3; starting the motor 3.1, wherein the motor 3.1 drives the arc-shaped rack 3.3c to rotate through the output gear 3.2, so that the second pull rod 3.3b is gradually lifted, and the second pull rod 3.3b jacks up the hand brake F in the lifting process until the hand brake rotates to a set height, as shown in fig. 4; in the process, the booster arm 2 also rotates around the pin roll as a center, and the end part of the booster arm always abuts against the floor; after the hand brake is in place, the pressure sensor outputs signals to the controller, the controller processes the signals into pressure values and displays the pressure values through the display screen, and the measured values of the hand brake can be directly read; after the measurement is finished, the motor 3.1 is adjusted to rotate in the opposite direction, so that the power arm 3.3 is reset.
According to the utility model, the brake is pulled by the power arm 3.3 and the power arm 2, and the rotation angles of the hand brake in the measurement process are consistent, so that not only can the interference of human factors be avoided, but also the rotation angles of the hand brake are unified, further the accuracy of the measurement result is improved, the measurement efficiency is improved, and the influence on the production beat is reduced.
It should be emphasized that the above description is merely a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides an automobile hand brake strength measuring tool which characterized in that: comprising
The shell is provided with a first shell, and one side surface of the first shell is provided with a through groove which is vertically formed;
The hand brake driving mechanism is provided with a motor arranged in the first shell, an output gear in transmission connection with the motor and a power arm for driving the hand brake to rotate, wherein the output gear part is positioned in the through groove, and one end part of the power arm is provided with an arc-shaped rack meshed with the output gear;
the power arm is hinged with the power arm through a pin shaft, and the end part of the pin shaft is provided with a positioning pin inserted into a hand brake steering hole;
The pressure detection piece is arranged at the power end of the power arm;
The control unit is provided with a controller and a display screen, the signal output end of the pressure detection part is connected with the signal input end of the controller, and the signal output end of the controller is connected with the signal input end of the display screen.
2. The automotive hand brake force measurement tool of claim 1, wherein: the shell also comprises a second shell connected with the first shell, a power supply is arranged in the second shell, and a travel switch used for controlling the rotation direction of the motor is arranged on the first shell.
3. The automotive hand brake force measurement tool of claim 1, wherein: the power arm further comprises a first pull rod and a second pull rod perpendicular to the first pull rod, and the second pull rod extends to the lower part of the hand brake; the arc-shaped rack is fixedly connected with the first pull rod.
4. A car hand brake force measurement tool according to claim 3, characterized in that: the first pull rod, the second pull rod and the arc-shaped rack are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323425825.1U CN221425967U (en) | 2023-12-15 | 2023-12-15 | Automobile hand brake force measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323425825.1U CN221425967U (en) | 2023-12-15 | 2023-12-15 | Automobile hand brake force measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221425967U true CN221425967U (en) | 2024-07-26 |
Family
ID=91979800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323425825.1U Active CN221425967U (en) | 2023-12-15 | 2023-12-15 | Automobile hand brake force measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221425967U (en) |
-
2023
- 2023-12-15 CN CN202323425825.1U patent/CN221425967U/en active Active
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