CN220649341U - Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism - Google Patents
Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism Download PDFInfo
- Publication number
- CN220649341U CN220649341U CN202322304730.8U CN202322304730U CN220649341U CN 220649341 U CN220649341 U CN 220649341U CN 202322304730 U CN202322304730 U CN 202322304730U CN 220649341 U CN220649341 U CN 220649341U
- Authority
- CN
- China
- Prior art keywords
- boss
- round pin
- connecting rod
- door opening
- closing mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an eccentricity measuring device for assembling a carriage bottom door opening and closing mechanism, which comprises: a support unit and a numerical value detection unit; the supporting unit is used for connecting the first connecting rod round pin and the second connecting rod round pin to find a central point connecting line of the first connecting rod round pin and the second connecting rod round pin, and comprises a main body, a first boss and a second boss; the numerical value detection unit detects the eccentric value of the central point of the upper transmission shaft and the central point connecting line according to the central point connecting line found by the support unit.
Description
Technical Field
The utility model belongs to the technical field of assembly of bottom door opening and closing mechanisms, and particularly relates to an eccentricity measuring device for assembly of a carriage bottom door opening and closing mechanism.
Background
The eccentricity of the connecting rod is the vertical distance from the center of the upper transmission shaft of the carriage bottom door opening and closing mechanism to the center connecting line of the upper connecting rod round pin and the lower connecting rod round pin, the eccentricity is a three-dimensional space size, three detection points are all circle centers, whether the eccentricity meets the requirement is the key of smooth opening and closing of the bottom door opening and closing mechanism in the opening and closing process, the requirement on the eccentricity is 15 (0, +2) mm, if the eccentricity exceeds the standard, the stress of the upper connecting rod and the lower connecting rod in the opening and closing moment is overlarge, fatigue damage can be caused by long-term operation, therefore, in order to ensure the service life of the upper connecting rod and the lower connecting rod, in the actual detection process, the assembled carriage bottom door opening and closing mechanism needs to be detected, and in the actual detection process, the conventional detection tool is in contact with the upper connecting rod and the lower connecting rod, because the contact surface of the detection tool is a cylindrical surface, the detection tool is easy to cause the slipping phenomenon, and the effective measurement standard is lacking, and the detection force is relatively great.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art.
Therefore, the utility model provides the eccentricity measuring device for assembling the bottom door opening and closing mechanism of the carriage, which has the advantages of stable support and convenient use.
According to an embodiment of the utility model, an eccentricity measuring device for assembling a bottom door opening and closing mechanism of a carriage is used for detecting eccentricity between an upper transmission shaft and a second connecting rod round pin and a first connecting rod round pin in the bottom door opening and closing mechanism, and comprises: a support unit and a numerical value detection unit; the supporting unit is used for connecting the first connecting rod round pin and the second connecting rod round pin to find a central point connecting line of the first connecting rod round pin and the second connecting rod round pin, and comprises a main body, a first boss and a second boss; the first boss is located one end of main part one side, first boss is used for next to second connecting rod round pin, the second boss is located the other end of main part one side, the second boss is used for next to first connecting rod round pin, first holding surface has on the first boss, the arc recess has been seted up on the first holding surface, the center pin direction of second connecting rod round pin is seted up to the arc recess along the center pin direction for joint second connecting rod round pin, the second boss is shorter than first boss, the numerical value detection unit detects the offset value of the central point of upper portion transmission shaft and central point connecting wire according to the central point connecting wire that the supporting unit found.
According to an embodiment of the present utility model, the numerical value detection unit includes: slide rod, sign; the utility model discloses a slide rod, including the main part, the slide rod slides in the main part, the central point of upper portion transmission shaft is located the center pin extension line of slide rod, be equipped with the reference mark line on the slide rod, the sign is located in the main part, be equipped with the scale mark on the sign, the sign is located one side of slide rod.
According to one embodiment of the utility model, the contact surface of the sliding rod and the upper transmission shaft is a detection surface, and the sliding direction of the sliding rod is perpendicular to the detection surface.
According to one embodiment of the utility model, the contact surface of the second boss and the first connecting rod round pin is a second supporting surface, and the first supporting surface, the second supporting surface and the detection surface are all parallel.
According to one embodiment of the utility model, the length of the first boss is the sum of the length of the second boss and the depth of the arcuate recess.
According to one embodiment of the utility model, when the detection surface is in contact with the surface of the upper transmission shaft and the mark line is flush with the scale line, the eccentricity of the connecting line between the central point of the upper transmission shaft and the central point is 15 mm.
According to one embodiment of the utility model, the main body is provided with a slide way for the sliding rod to slide, the main body is provided with a positioning pin, the positioning pin is in threaded connection with the main body, and the positioning pin can be screwed into the slide way to be in contact with the sliding rod.
The utility model has the beneficial effects that the arc-shaped groove is formed in the first boss and is used for embedding the second connecting rod round pin, so that phenomena such as slipping or shifting of the main body are prevented, stable support during detection is realized, a measurement reference can be quickly found for detection, and the second supporting surface is provided as a smooth plane, so that the main body is not influenced by the distance deviation between the second connecting rod round pin and the first connecting rod round pin during measurement, and the applicability of the supporting unit is ensured.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The foregoing and/or additional aspects and advantages of the present utility model will become apparent and may be readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic illustration of the eccentricity measurement device of the present utility model placed on a first link round pin and a second link round pin;
FIG. 2 is a schematic view of the positions of the first and second link round pins and the upper drive shaft of the present utility model in the bottom door opening and closing mechanism of the vehicle cabin;
FIG. 3 is a schematic view of the overall structure of the present utility model;
reference numerals:
1. a main body; 2. a first boss; 3. a second boss; 4. an arc-shaped groove; 5. a slide rod; 6. a sign plate; 7. a positioning pin; 81. a first link round pin; 82. a second connecting rod round pin; 83. an upper drive shaft.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 will be understood in specific cases by those of ordinary skill in the art.
The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment according to an embodiment of the present utility model is specifically described below with reference to the drawings.
As shown in fig. 1 to 3, an eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment according to an embodiment of the present utility model for detecting eccentricity between an upper transmission shaft 83 and first and second link round pins 81 and 82 in the bottom door opening and closing mechanism, the first and second link round pins 81 and 82 having the same diameter, includes: a support unit and a numerical value detection unit; the supporting unit is used for connecting the first connecting rod round pin 81 and the second connecting rod round pin 82 to find a central point connecting line of the first connecting rod round pin 81 and the second connecting rod round pin 82, and comprises a main body 1, a first boss 2 and a second boss 3; the first boss 2 is located the one end of main part 1 one side, first boss 2 is used for next to second connecting rod round pin 82, second boss 3 is located the other end of main part 1 one side, second boss 3 is used for next to first connecting rod round pin 81, first boss 2 is last to have first holding surface, arc recess 4 has been seted up on the first holding surface, arc recess 4 is seted up along the center pin direction of second connecting rod round pin 82, be used for joint second connecting rod round pin 82, second boss 3 is shorter than first boss 2, the numerical detection unit detects the offset value of the central point of upper portion transmission shaft 83 and central point connecting wire according to the central point connecting wire that the supporting unit found.
In this embodiment, the radius of the arc of the side section of the arc groove 4 is the same as the radius of the second connecting rod round pin 82, so that the arc groove 4 is fixed on the second connecting rod round pin 82, and the outer surface of the arc groove 4 and the outer surface of the second connecting rod round pin 82 are attached, so that a limit effect is performed on one end of the main body 1, the main body 1 is prevented from being displaced, the contact surface between the second boss 3 and the first connecting rod round pin 81 is a smooth surface, and the situation that the distance between the first connecting rod round pin 81 and the second connecting rod round pin 82 is slightly deviated is avoided, the second boss 3 cannot be contacted with the first connecting rod round pin 81, and the support unit has the characteristic of strong applicability under the premise of stable support.
A numerical value detection unit comprising: a slide rod 5 and a sign 6; the slide rod 5 slides on the main body 1, the central point of the upper transmission shaft 83 is positioned on the central axis extension line of the slide rod 5, the slide rod 5 is provided with a mark line, the label 6 is arranged on the main body 1, the label 6 is provided with a scale line, and the label 6 is positioned on one side of the slide rod 5.
The contact surface of the slide rod 5 and the upper transmission shaft 83 is a detection surface 51, and the sliding direction of the slide rod 5 is perpendicular to the detection surface 51.
The contact surface of the second boss 3 and the first link round pin 81 is a second supporting surface, the first supporting surface, the second supporting surface and the detecting surface 51 are parallel, and the length of the first boss 2 is the sum of the length of the second boss 3 and the depth of the arc-shaped groove 4.
In this embodiment, under the action of the first supporting surface and the second supporting surface, the measured center point connecting line is parallel to the detecting surface 51, so that the vertical distance from the contact point of the detecting surface 51 with the surface of the upper transmission shaft 83 to the center point connecting line is measured, and the center point of the upper transmission shaft 83 is located in the path, so that the vertical distance from the center point of the upper transmission shaft 83 to the center point connecting line can be obtained according to the radius of the upper transmission shaft 83, and the eccentricity between the upper transmission shaft 83 and the second link round pin 82 and the first link round pin 81 is determined.
When the detection surface 51 is in surface contact with the upper transmission shaft 83 and the mark line is level with 0 on the scale line, the eccentricity of the connecting line between the center point of the upper transmission shaft 83 and the center point is 15 mm.
In this embodiment, the default setting is reset to 15 mm for the eccentricity of the connecting line between the center point of the upper transmission shaft 83 and the center point, so after the bottom door opening and closing mechanism is assembled, the arc-shaped groove 4 is attached to the outer surface of the second connecting rod round pin 82, then the second supporting surface is contacted with the outer surface of the first connecting rod round pin 81, the sliding rod 5 is pushed to make the detection surface 51 contacted with the surface of the upper transmission shaft 83, at this time, if the mark line is flush with 0 on the scale line, the eccentricity between the upper transmission shaft 83 and the second connecting rod round pin 82 and the first connecting rod round pin 81 is 15 mm, if the mark line is between 0-2 mm on the scale line, the eccentricity is in the standard range, and if the mark line exceeds the range, the eccentricity needs to be adjusted.
The main body 1 is provided with a slide way for sliding the slide rod 5, the main body 1 is provided with a positioning pin 7, the positioning pin 7 is in threaded connection with the main body 1, and the positioning pin 7 can be screwed into the slide way to be contacted with the slide rod 5.
In this embodiment, in the process of adjusting the eccentricity, the positioning pin 7 can be screwed tightly, so that the slide rod 5 is in a locking state, and at this time, the distance from the detection surface 51 to the upper transmission shaft 83 is adjusted, thereby realizing the effect of being convenient for accurate adjustment.
The eccentricity measuring device is simple to operate, can enable workers to operate by hands quickly, reduces the calculation process, improves the working efficiency in the process of mass production, and improves the detection efficiency by six times compared with the conventional detection mode, wherein the detection time is only about five minutes compared with the detection time of the conventional detection mode.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment, the eccentricity measuring device being used for detecting eccentricity between an upper transmission shaft (83) and a first link round pin (81) and a second link round pin (82) in the bottom door opening and closing mechanism, characterized by comprising:
the support unit is used for connecting the first connecting rod round pin (81) and the second connecting rod round pin (82) to find a central point connecting line of the first connecting rod round pin (81) and the second connecting rod round pin (82), and comprises a main body (1), a first boss (2) and a second boss (3); the first boss (2) is positioned at one end of one side of the main body (1), the first boss (2) is used for abutting against the second connecting rod round pin (82), the second boss (3) is positioned at the other end of one side of the main body (1), and the second boss (3) is used for abutting against the first connecting rod round pin (81);
the first boss (2) is provided with a first supporting surface, the first supporting surface is provided with an arc-shaped groove (4), the arc-shaped groove (4) is arranged along the central axis direction of the second connecting rod round pin (82) and is used for being clamped with the second connecting rod round pin (82), and the second boss (3) is shorter than the first boss (2);
and the numerical value detection unit is used for detecting the eccentric value of the central point of the upper transmission shaft (83) and the central point connecting line according to the central point connecting line found by the supporting unit.
2. The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment according to claim 1, wherein the numerical value detecting unit includes:
the sliding rod (5), the sliding rod (5) slides on the main body (1), the sliding rod (5) is used for contacting the upper transmission shaft (83), the central point of the upper transmission shaft (83) is positioned on the central axis extension line of the sliding rod (5), and the sliding rod (5) is provided with a mark line;
the label (6), on main part (1) was located to label (6), be equipped with the scale mark on label (6), label (6) are located one side of litter (5).
3. The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment according to claim 2, wherein a contact surface of the slide rod (5) and the upper transmission shaft (83) is a detection surface (51), and a sliding direction of the slide rod (5) is perpendicular to the detection surface (51).
4. The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle cabin according to claim 3, wherein the contact surface of the second boss (3) and the first link round pin (81) is a second support surface, and the first support surface, the second support surface and the detection surface (51) are all parallel.
5. The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle compartment according to claim 4, wherein the length of the first boss (2) is the sum of the length of the second boss (3) and the depth of the arc-shaped groove (4).
6. The eccentricity measuring device for assembling a bottom door opening and closing mechanism of a vehicle cabin according to claim 5, wherein when the detection surface (51) is in contact with the surface of the upper transmission shaft (83) and the mark line is level with 0 on the scale line, the eccentricity of the center point-center point connecting line of the upper transmission shaft (83) is 15 mm.
7. The eccentricity measuring device for assembling a wagon bottom door opening and closing mechanism according to claim 6, wherein the main body (1) is provided with a slideway for sliding the sliding rod (5), the main body (1) is provided with a positioning pin (7), the positioning pin (7) is in threaded connection with the main body (1), and the positioning pin (7) can be screwed into the slideway to be in contact with the sliding rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304730.8U CN220649341U (en) | 2023-08-25 | 2023-08-25 | Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304730.8U CN220649341U (en) | 2023-08-25 | 2023-08-25 | Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649341U true CN220649341U (en) | 2024-03-22 |
Family
ID=90262590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304730.8U Active CN220649341U (en) | 2023-08-25 | 2023-08-25 | Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649341U (en) |
-
2023
- 2023-08-25 CN CN202322304730.8U patent/CN220649341U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7478566B2 (en) | Electrical torque-indicating wrench | |
| CN220649341U (en) | Eccentricity measuring device for assembling carriage bottom door opening and closing mechanism | |
| CN111152149B (en) | Centering device | |
| CN108151697B (en) | Swing angle detection tool for driving shaft assembly | |
| CN210108208U (en) | Axle type product length measurement device | |
| CN215676821U (en) | Cylindric lock degree of depth measurement examines utensil | |
| US4571838A (en) | Direct readout centerline measuring device and process | |
| CN113483622B (en) | Universal rapid height difference detector | |
| CN212320679U (en) | Tile groove symmetry measuring jig | |
| CN109991009B (en) | High-torsion-resistance connecting device capable of quickly connecting rotation of engine | |
| CN218847130U (en) | Half shaft length digital display checking fixture | |
| CN108036692B (en) | Shaft fork shaft part diameter detection tool | |
| CN215177464U (en) | Hole inner diameter measuring device | |
| CN211425255U (en) | Push-pull reference pin device for detecting vehicle body parts | |
| CN219956330U (en) | Shaft part clamping groove detection special device | |
| CN213874114U (en) | Pile body bending vector measuring device | |
| CN218787797U (en) | Torsional spring angle short-term test measuring tool | |
| CN218765068U (en) | Utensil is examined to degree of symmetry in skewed tooth and hole | |
| CN110375022B (en) | Assembling parallelism measuring device for automobile | |
| CN217604880U (en) | Cylinder seat key groove depth detection device for refrigerator compressor | |
| CN217930098U (en) | Rear control arm detection height gauge | |
| CN215447706U (en) | Measuring tool for detecting groove diameter of automobile transmission shaft | |
| CN212903002U (en) | Wheel hub bearing platform interval detection device | |
| CN218155961U (en) | Adjustable locating block | |
| CN218765002U (en) | Detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |