CN108593178B - Handheld mortise lock unlocking force measuring device - Google Patents
Handheld mortise lock unlocking force measuring device Download PDFInfo
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- CN108593178B CN108593178B CN201810589042.1A CN201810589042A CN108593178B CN 108593178 B CN108593178 B CN 108593178B CN 201810589042 A CN201810589042 A CN 201810589042A CN 108593178 B CN108593178 B CN 108593178B
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- mortise lock
- connecting block
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- thimble
- side plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to a handheld mortise lock unlocking force measuring device, which is used for measuring an unlocking force value of a mortise lock in a real vehicle, and a servo motor and a screw rod are connected together through a coupler; the servo motor rotates to drive the screw rod in a matching manner with the coupler, so that the unlocking thimble moves up and down; the pressure sensor is connected with the thimble to obtain an unlocking force value; the unlocking device is more stably placed in a proper position through the handle; utilize handle, base and dead lever to stabilize the device around real car mortise lock, and can take off fast after the measurement is finished, the backup pad can height-adjusting and horizontal position adaptation not the mortise lock of equidimension. Compared with the prior art, the invention has the advantages of light weight, convenient operation, high precision and convenient carrying, and can be used for various working conditions of the real vehicle.
Description
Technical Field
The invention relates to the technical field of automobile safety testing, in particular to a handheld mortise lock unlocking force measuring device.
Background
The mortise lock is used in an automobile (such as a safety belt mortise lock), has high requirements on the safety performance of the automobile, and currently, for the measurement of the mortise lock unlocking force in the actual automobile, a mechanical or electronic pulling force machine is used for measurement, and due to the fact that manual operation causes large errors, the measurement result is greatly influenced.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned drawbacks of the prior art and to provide a handheld mortise lock unlocking force measuring device.
The purpose of the invention can be realized by the following technical scheme:
a hand-held mortise lock unlocking force measuring device for measuring unlocking force value of mortise lock in real vehicle, the device includes:
the supporting plate consists of a side plate, a top plate and a bottom plate, the top plate and the bottom plate are respectively connected with the top end and the bottom end of the side plate and are turned over towards the front side of the side plate,
a clamping component arranged on the bottom plate and used for being matched with the bottom plate to fix the mortise lock to be tested,
the action component comprises a servo motor, a screw rod transmission mechanism and a thimble which are sequentially connected in a transmission way, the servo motor is arranged on the top plate, the thimble points to the bottom plate and moves towards or away from the bottom plate under the drive of the servo motor,
and the pressure sensor is used for sensing the pressure between the thimble and the mortise lock to be detected.
Preferably, the centre gripping subassembly include the anchor clamps of two relative settings, anchor clamps include dead lever, spring and nut, the top of dead lever be equipped with the turnover portion, the turnover portion of two anchor clamps sets up in opposite directions, the lower part of dead lever is screw thread portion, screw thread portion wears to locate on the bottom plate, spring and nut from the top down overlap in proper order and locate on the screw thread portion of bottom plate below.
Preferably, the plane of the fixing rods of the two clamps is parallel to the front surface of the side plate, the bottom plate is provided with two parallel oblong holes, the length direction of the oblong holes is perpendicular to the front surface of the side plate, and the thread parts of the fixing rods of the two clamps penetrate through the oblong holes.
Preferably, screw drive mechanism include shaft coupling, lead screw and connecting block, the top of lead screw is passed through the shaft coupling and is connected with servo motor, the bottom and the connecting block rotatable coupling of lead screw, connecting block and curb plate front surface sliding connection, the thimble is located the bottom of connecting block.
Preferably, the connecting block is connected with the front surface of the side plate in a sliding manner through a trapezoidal boss type sliding rail positioned on the front surface of the side plate.
Preferably, curb plate front surface still be equipped with the spacing board on the connecting block, the connecting block on the spacing board be located the connecting block top, the lead screw is worn to locate in the spacing board on the connecting block to the bottom and the connecting block of lead screw are connected.
Preferably, pressure sensor set up in the bottom of connecting block, pressure sensor's bottom is equipped with the thimble connector, the thimble can be dismantled and connect on the thimble connector.
Preferably, the thimble is detachably connected with the thimble connector through threads.
Preferably, the device further comprises a handle welded to the rear surface of the side panel.
Compared with the prior art, the invention has the following beneficial effects:
the servo motor and the screw rod are connected together through the coupler; the servo motor rotates to drive the screw rod in a matching manner with the coupler, so that the unlocking thimble moves up and down; the pressure sensor is connected with the thimble to obtain an unlocking force value; the unlocking device is more stably placed in a proper position through the handle. This kind of hand-held type mortise lock unlocking force measuring device utilizes handle, base and dead lever to stabilize the device around real car mortise lock, and can take off fast after the measurement, and the backup pad can height-adjusting and horizontal position adaptation mortise lock of equidimension not.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the connection block and the pressure sensor of the present invention.
In the figure, 11 is a side plate, 12 is a top plate, 13 is a bottom plate, 2 is a servo motor, 21 is a servo motor encoder end connector, 22 is a servo motor power connector, 31 is a fixing rod, 32 is a threaded portion, 33 is a nut, 34 is a spring, 35 is a folded portion, 4 is a coupler, 5 is a lead screw, 6 is a connecting block, 61 is a pressure sensor, 62 is a thimble connector, 7 is a thimble, 8 is a limiting plate on the connecting block, 9 is a handle, and 10 is a mortise lock to be tested.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
The utility model provides a hand-held type mortise lock unblock power measuring device, as shown in fig. 1 ~ 2 for the unblock power value of mortise lock is measured to real car, the device includes:
the supporting plate consists of a side plate 11, a top plate 12 and a bottom plate 13, the top plate 12 and the bottom plate 13 are respectively connected with the top end and the bottom end of the side plate 11 and are turned over towards the front side of the side plate 11,
a clamping component arranged on the bottom plate 13 and used for being matched with the bottom plate 13 to fix the mortise lock 10 to be tested,
the action assembly comprises a servo motor 2, a screw rod transmission mechanism and a thimble 7 which are sequentially connected in a transmission manner, the servo motor 2 is arranged on the top plate 12, the thimble 7 points to the bottom plate 13 and moves towards or away from the bottom plate 13 under the driving of the servo motor 2, and the servo motor 2 supplies electric energy through a servo motor power connector 22.
And the pressure sensor 61 is used for sensing the pressure between the thimble 7 and the mortise lock 10 to be tested.
The clamping assembly in this embodiment includes two opposite clamps, each clamp includes a fixing rod 31, a spring 34 and a nut 33, a folded portion 35 is disposed at the top end of the fixing rod 31, the folded portions 35 of the two clamps are oppositely disposed, the lower portion of the fixing rod 31 is a threaded portion 32, the threaded portion 32 is arranged on the bottom plate 13 in a penetrating manner, and the spring 34 and the nut 33 are sequentially sleeved on the threaded portion 32 below the bottom plate 13 from top to bottom. The plane of the fixing rods 31 of the two clamps is parallel to the front surface of the side plate 11, the bottom plate 13 is provided with two parallel oblong holes, the length direction of the oblong holes is perpendicular to the front surface of the side plate 11, and the thread parts 32 of the fixing rods 31 of the two clamps penetrate through the oblong holes. The bottom plate 13 of backup pad cooperates two dead lever axial fixings mortise lock 10 that awaits measuring, and dead lever 31 cooperation spring 34, nut 33 can realize moving about from top to bottom, can be better fix the mortise lock 10 that awaits measuring in suitable position, adapt to the not unidimensional mortise lock.
Screw drive mechanism in this embodiment includes shaft coupling 4, lead screw 5 and connecting block 6, and 4 and servo motor 2 are connected through shaft coupling 4 in the top of lead screw 5, and the bottom and the 6 rotatable coupling of connecting block of lead screw 5, connecting block 6 and 11 front surface sliding connection of curb plate, thimble 7 are located the bottom of connecting block 6. The connecting block 6 is connected with the front surface of the side plate 11 in a sliding way through a trapezoid boss type sliding rail positioned on the front surface of the side plate 11. The servo motor 2 rotates to be matched with the coupler 4 to drive the screw rod 5, so that the thimble 7 moves up and down. Furthermore, the front surface of the side plate 11 is also provided with a limiting plate 8 on the connecting block, the limiting plate 8 on the connecting block is positioned above the connecting block 6, the screw rod 5 is arranged in the limiting plate 8 on the connecting block in a penetrating manner, and the bottom end of the screw rod 5 is connected with the connecting block 6.
As shown in fig. 3, the pressure sensor 61 in this embodiment is disposed at the bottom end of the connecting block 6, the thimble connector 62 is disposed at the bottom of the pressure sensor 61, and the thimble 7 is detachably connected to the thimble connector 62. It may be preferred that spike 7 be removably connected to spike connector 62 by threads. The ejector pins with different sizes and lengths can be conveniently replaced by the detachable connection structure to adapt to different working condition requirements, and the ejector pins are matched with the pressure sensors, so that only the ejector pins need to be replaced at each time, and the ejector pins do not need to be replaced together with the pressure sensors. Compared with a mechanical or electronic drawing machine in the prior art, the drawing machine using the pressure sensor effectively saves space.
In this embodiment, the device further comprises a handle 9, and the handle 9 is welded to the back surface of the side plate 11. The handle 9 cooperates with the bottom plate 13 and the fixing rod 31 to stabilize the device around the mortise lock of the real vehicle, and the device can be quickly taken down after the measurement is finished.
During measurement, the handle 9 is used for holding the mortise lock unlocking force measuring device, the fixing rod 31 is used for selecting a reasonable position to fix the mortise lock 10 to be measured on the bottom plate 13 of the supporting plate, the ejector pin 7 is aligned to the middle position of the button of the mortise lock 10 to be measured, the ejector pin 7 is driven to move downwards until the mortise lock 10 to be measured is unlocked, and the unlocking force value is measured through the pressure sensor 61. After the measurement operation is finished, the nut 33 below the fixing rod 31 is loosened, the device is taken down, the next mortise lock is selected for measurement, and the operation is repeated. The invention can modify the operation parameters of the servo motor 2 through the servo motor encoder end connector 21 to adapt to different measurement requirements.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (7)
1. The utility model provides a hand-held type mortise lock unblock power measuring device for real car measures the unblock power value of mortise lock, its characterized in that, the device includes:
the supporting plate consists of a side plate (11), a top plate (12) and a bottom plate (13), the top plate (12) and the bottom plate (13) are respectively connected with the top end and the bottom end of the side plate (11) and are turned over towards the front of the side plate (11),
a clamping component arranged on the bottom plate (13) and used for being matched with the bottom plate (13) to fix the mortise lock (10) to be tested,
the action component comprises a servo motor (2), a screw rod transmission mechanism and a thimble (7) which are sequentially connected in a transmission way, the servo motor (2) is arranged on the top plate (12), the thimble (7) points to the bottom plate (13) and moves towards or away from the bottom plate (13) under the drive of the servo motor (2),
the pressure sensor (61) is used for sensing the pressure between the thimble (7) and the mortise lock (10) to be tested;
the clamping assembly comprises two clamps which are oppositely arranged, each clamp comprises a fixing rod (31), a spring (34) and a nut (33), the top end of each fixing rod (31) is provided with a folding part (35), the folding parts (35) of the two clamps are oppositely arranged, the lower part of each fixing rod (31) is a threaded part (32), the threaded part (32) penetrates through the bottom plate (13), and the springs (34) and the nuts (33) are sequentially sleeved on the threaded parts (32) below the bottom plate (13) from top to bottom;
the device also comprises a handle (9), and the handle (9) is welded on the back surface of the side plate (11).
2. The hand-held mortise lock unlocking force measuring device according to claim 1, wherein the plane of the fixing rod (31) of the two clamps is parallel to the front surface of the side plate (11), the bottom plate (13) is provided with two parallel long circular holes, the length direction of the long circular holes is perpendicular to the front surface of the side plate (11), and the threaded portions (32) of the fixing rods (31) of the two clamps are arranged in the long circular holes in a penetrating manner.
3. The hand-held mortise lock unlocking force measuring device according to claim 1, wherein the lead screw transmission mechanism comprises a coupler (4), a lead screw (5) and a connecting block (6), the top end of the lead screw (5) is connected with the servo motor (2) through the coupler (4), the bottom end of the lead screw (5) is rotatably connected with the connecting block (6), the connecting block (6) is slidably connected with the front surface of the side plate (11), and the thimble (7) is located at the bottom end of the connecting block (6).
4. A hand-held mortise lock unlock force measuring device according to claim 3, wherein the connecting block (6) is slidably connected to the front surface of the side plate (11) by a trapezoidal boss type slide rail located at the front surface of the side plate (11).
5. The hand-held mortise lock unlocking force measuring device according to claim 3, wherein the front surface of the side plate (11) is further provided with a connecting block upper limiting plate (8), the connecting block upper limiting plate (8) is located above the connecting block (6), the screw rod (5) is arranged in the connecting block upper limiting plate (8) in a penetrating manner, and the bottom end of the screw rod (5) is connected with the connecting block (6).
6. The hand-held mortise lock unlocking force measuring device according to claim 1, wherein the pressure sensor (61) is arranged at the bottom end of the connecting block (6), the thimble connector (62) is arranged at the bottom of the pressure sensor (61), and the thimble (7) is detachably connected to the thimble connector (62).
7. A hand-held mortise lock unlock force measurement device according to claim 6, characterized in that the thimble (7) is detachably connected with the thimble connector (62) through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589042.1A CN108593178B (en) | 2018-06-08 | 2018-06-08 | Handheld mortise lock unlocking force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589042.1A CN108593178B (en) | 2018-06-08 | 2018-06-08 | Handheld mortise lock unlocking force measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593178A CN108593178A (en) | 2018-09-28 |
| CN108593178B true CN108593178B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810589042.1A Active CN108593178B (en) | 2018-06-08 | 2018-06-08 | Handheld mortise lock unlocking force measuring device |
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| CN (1) | CN108593178B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724731A (en) * | 2018-11-28 | 2019-05-07 | 武汉泰盛汽车内饰件有限公司 | A kind of detection device and detection method of automobile seat headrest guide sleeve releasing force |
| CN112842408B (en) * | 2021-02-04 | 2022-11-01 | 中国人民解放军陆军军医大学第一附属医院 | Auxiliary propelling device for lumbar puncture needle |
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| CN108593178A (en) | 2018-09-28 |
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