CN211262020U - Screwing type pressing mechanism of automobile checking fixture - Google Patents
Screwing type pressing mechanism of automobile checking fixture Download PDFInfo
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- CN211262020U CN211262020U CN201922004878.3U CN201922004878U CN211262020U CN 211262020 U CN211262020 U CN 211262020U CN 201922004878 U CN201922004878 U CN 201922004878U CN 211262020 U CN211262020 U CN 211262020U
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- plane
- connecting rod
- bushing
- checking fixture
- pressing mechanism
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Abstract
The utility model belongs to the technical field of the automotive checking fixture, a screwing type hold-down mechanism of automotive checking fixture is disclosed. The screwing type pressing mechanism comprises a drag hook, a connecting rod, a bushing, a limiting block, a spring and a handle; the front end of the connecting rod is detachably connected with the drag hook; the rear end of the connecting rod is connected with the handle; the limiting block is positioned at the rear end of the bushing and fixedly connected with the bushing; the spring is sleeved on the connecting rod and positioned between the bushing and the handle, and the spring is in a compressed and pre-tightened state after being installed; processing has first plane and second plane on the connecting rod, and when first plane was rotatory to the stopper position, the drag hook was operating condition, and when the second plane was rotatory to the stopper position, the drag hook was idle state. The utility model discloses guaranteed the reliable exit position of screwing in formula hold-down mechanism, reduced automobile inspection utensil's occupation space, rely on compression spring to provide the packing force, simple structure, the uninstallation is convenient.
Description
Technical Field
The utility model relates to an automotive checking fixture technical field especially relates to an automotive checking fixture fastens formula hold-down mechanism soon.
Background
With the development of the international advanced automobile manufacturing industry, the automobile testing fixture becomes an important technical means and tool for automobile production, research and development, modification and the like. The automobile inspection device is a special inspection device for measuring and evaluating the dimension quality of automobile parts, and the existing automobile inspection device becomes an indispensable device for producing automobiles and becomes a mainstream technical product.
At present, on a lot of automotive checking tools, the compressing and fixing are usually realized by adopting clamps, but along with the increase of product types, the structure is changed and rich, and only the clamps have great limitation, so that the clamping and compressing of all products or structures cannot be realized.
In order to supplement the compressing and clamping effects of the clamp, a new screwing type compressing mechanism is produced, the existing screwing type compressing mechanism is designed integrally, the quitting position cannot be found accurately after detection is finished, and the use is inconvenient, so that the screwing type compressing mechanism needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automotive checking fixture fastens formula hold-down mechanism soon to solve the fixed problem to the product that awaits measuring.
To achieve the purpose, the utility model adopts the following technical proposal:
a screwing type pressing mechanism of an automobile checking fixture comprises a drag hook, a connecting rod, a bushing, a limiting block, a spring and a handle; the front end of the connecting rod is detachably connected with the drag hook; the rear end of the connecting rod sequentially penetrates through the bushing and the spring and is connected with the handle; the limiting block is positioned at the rear end of the bushing and fixedly connected with the bushing; the spring is sleeved on the connecting rod and positioned between the bushing and the handle, and the spring is in a compressed and pre-tightened state after being installed;
a first plane and a second plane are machined on the connecting rod, the first plane is perpendicular to the second plane, and the machining depths of the first plane and the second plane are both smaller than the radius r of the connecting rod; the first plane length is greater than the second plane length, and the second plane is aligned with the rear end of the first plane; when the first plane rotates to the position of the limiting block, the draw hook is in a working state, and when the second plane rotates to the position of the limiting block, the draw hook is in an idle state.
Preferably, the draw hook comprises a first part and a second part, the first part and the second part are perpendicular to form an L shape, the inner side of the first part serves as a compression stress side, a stress surface is a plane, and the second part is detachably connected with the front end of the connecting rod.
Preferably, the second member and the connecting rod are connected by a pin hole and fixed by a pin.
Preferably, the height h of the first part is greater than the radius r of the connecting rod.
Preferably, the angle of rotation of the first part of the retractor relative to the first plane is set to 180 ° and the angle of rotation of the retractor relative to the second plane is set to 90 °.
Preferably, the handle and the connecting rod are connected through a pin hole and are fixed through a head stop screw.
Preferably, the bushing is of a cylindrical structure, and the connecting rod penetrates through an inner hole of the bushing; the inner diameter of the bushing is equal to the outer diameter of the connecting rod.
Preferably, the rear end of the lining is provided with a vertical cut which is L-shaped; cut open perpendicularly and set up on the incision the stopper, stopper thickness with cut open notched axial length perpendicularly and equal, the stopper bottom surface is arranged in cut open notched perpendicularly on the tangent plane that is on a parallel with the axis.
Preferably, the first plane length is greater than the travel of the retractor.
Preferably, a smooth transition surface is provided at a position where the second plane intersects with the first plane.
The utility model has the advantages that:
(1) the utility model discloses a position relation of two planes and stopper is fixed a position on the connecting rod, and the reliable exit position of screwing in formula hold-down mechanism has been guaranteed in the rotation.
(2) The utility model discloses a screwing type compresses tightly the mode, has reduced automobile inspection utensil's occupation space.
(3) The utility model discloses rely on compression spring to provide the packing force, simple structure, the uninstallation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of a screwing type pressing mechanism of an automobile checking fixture provided by the utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a front view (with springs removed) of a tightening type pressing mechanism of an automotive checking fixture provided by the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of the structure of the retractor and the connecting rod in this embodiment.
In the figure:
1. pulling a hook; 2, connecting rods; 3, lining; 4, a limiting block;
5. a spring; 6, a handle; 7, pins; a head screw;
101. a first member; a second component 102; a first plane 201; 202. a second plane.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. 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 of the structures related to the present invention are shown in the drawings, not all of the structures.
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.
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 embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a car examines utensil screwing in formula hold-down mechanism, as shown in fig. 1 ~ 4, screwing in formula hold-down mechanism includes drag hook 1, connecting rod 2, bush 3, stopper 4, spring 5 and handle 6. The front end of the connecting rod 2 is detachably connected with the drag hook 1; the rear end of the connecting rod 2 sequentially passes through the bush 3 and the spring 4 and is connected with the handle 6. The limiting block 4 is located at the rear end of the bushing 3, and the limiting block 4 is fixedly connected with the bushing 3.
As shown in fig. 1 and 2, the retractor 1 includes a first part 101 and a second part 102, the first part 101 and the second part 102 are perpendicular to each other and form an "L" shape, the inner side of the first part 101 serves as a pressing force-receiving side, the force-receiving surface is a plane, and the second part 102 is detachably connected to the front end of the connecting rod 2.
The second part 102 and the connecting rod 2 are connected by a pin hole and fixed by a pin 7.
As shown in fig. 4, the height h of the first part 101 is greater than the radius r of the connecting rod 2, so that the mounting and dismounting of the product to be tested are facilitated, and the pull hook 1 can be conveniently withdrawn after being unloaded.
As shown in figure 2, the handle 6 is connected with the connecting rod 2 in a pin hole mode and is fixed by a head stop screw 8.
The bush 3 is a cylindrical structure, and the connecting rod 2 penetrates through an inner hole of the bush 3. The inner diameter of the bush 3 is equal to the outer diameter of the connecting rod 2. The rear end of the lining 3 is provided with a vertical cut which is L-shaped. Cut open perpendicularly and set up a stopper 4 on the incision, stopper 4 thickness with cut open notched axial length perpendicularly and equal, fixed connection between stopper 4 and the bush 3, perhaps fix simultaneously on base or supporting structure, keep during operation position unchangeable. The bottom surface of the limiting block 4 is arranged on a tangent plane which is perpendicular to the incision and is parallel to the axis.
As shown in fig. 5, a first plane 201 and a second plane 202 are machined on the connecting rod 2, the first plane 201 is perpendicular to the second plane 202, and the machining depth of each of the first plane 201 and the second plane 202 is smaller than the radius r of the connecting rod 2. The first plane 201 is longer than the second plane 202, and the second plane 202 is aligned with the rear end of the first plane 201. The length of the first plane 201 is larger than the stroke of the draw hook 1, and meanwhile, the length of the first plane 201 is also used for limiting the stroke of the draw hook 1, so that the interference between the draw hook 1 and a fixing mechanism or a test block is prevented.
A smooth transition surface is arranged at the intersection position of the second plane 202 and the first plane 201, so that the connecting rod 2 can rotate conveniently.
When the first plane 201 rotates to the position of the limit block 4, the drag hook 1 is in a working state, and when the second plane 202 rotates to the position of the limit block 4, the drag hook 1 is in an idle state for unloading.
The spring 5 is sleeved on the connecting rod 2 and is positioned between the bushing 3 and the handle 6, and the spring 5 is in a compressed and pre-tightened state after installation. When the limiting block 4 is positioned above the second plane 202, the elasticity of the spring 5 is the maximum, and at the moment, the stroke of the draw hook 1 is the maximum, and the draw hook is in an idle state; when stopper 4 was located first plane 201 top, because bush 3 and stopper 4 are fixed different, handle 6 moved to keeping away from 3 directions of bush under the spring 5 spring action, handle 6 drove connecting rod 2 and drag hook 1 and moves together, and the first part 101 inboard of drag hook 1 compresses tightly the product that awaits measuring this moment, and drag hook 1 is operating condition.
Use the utility model discloses a screw-on hold-down mechanism compresses tightly the product that awaits measuring to detect, concrete operation process as follows:
firstly, will the utility model discloses a bush 3 and stopper 4 among the screwing type hold-down mechanism carry out fixed mounting, generally install on a test block together with other automotive checking fixture, keep bush 3 and stopper 4's position unchangeable to can not interfere with the product that awaits measuring, reserve sufficient operating space. The screwing type pressing mechanism can be vertically or horizontally installed to achieve corresponding pressing work.
For the sake of convenience, the angle of rotation between the first part 101 and the first plane 201 of the retractor 1 is set to 180 ° and the angle of rotation between the second plane 202 is set to 90 °. In the initial position, the second plane 202 is located at the position of the stop block 4, and the retractor 1 is located at the maximum stroke position. Then, the pressing surface of the product to be detected is placed on the inner side of the draw hook 1; rotate the connecting rod 2 through rotating handle 6 for first plane 201 is rotatory to stopper 4 position department, and under the effect of spring 5 elasticity, drag hook 1 removes to 3 directions of bush, until the face that compresses tightly of the product that awaits measuring of contact, realizes compressing tightly to the product that awaits measuring through spring 5 elasticity.
According to the screwing type pressing mechanism, if a product to be detected is a circular positioning hole, the pulling hook 1 can be pressed against the product to be detected through rotation and the elastic force of the spring 5, and can also be reset through rotation, and the product is locked through the matching of the limiting block 4 and the second plane 202 after exiting, so that the stability of the exiting position is ensured.
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. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. 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 screwing type pressing mechanism of an automobile checking fixture is characterized by comprising a drag hook (1), a connecting rod (2), a bushing (3), a limiting block (4), a spring (5) and a handle (6); the front end of the connecting rod (2) is detachably connected with the draw hook (1); the rear end of the connecting rod (2) sequentially penetrates through the bushing (3) and the spring (5) and then is connected with the handle (6); the limiting block (4) is positioned at the rear end of the bushing (3), and the limiting block (4) is fixedly connected with the bushing (3); the spring (5) is sleeved on the connecting rod (2) and positioned between the bushing (3) and the handle (6), and the spring (5) is in a compressed and pre-tightened state after being installed;
a first plane (201) and a second plane (202) are machined on the connecting rod (2), the first plane (201) is perpendicular to the second plane (202), and the machining depths of the first plane (201) and the second plane (202) are both smaller than the radius r of the connecting rod (2); the length of the first plane (201) is greater than the length of the second plane (202), and the second plane (202) is aligned with the rear end of the first plane (201); when the first plane (201) rotates to the position of the limiting block (4), the draw hook (1) is in a working state, and when the second plane (202) rotates to the position of the limiting block (4), the draw hook (1) is in an idle state.
2. The screwing type pressing mechanism of the automobile checking fixture according to claim 1, wherein the draw hook (1) comprises a first part (101) and a second part (102), the first part (101) and the second part (102) are perpendicular to each other and are L-shaped, the inner side of the first part (101) serves as a pressing force-bearing side, a force-bearing surface is a plane, and the second part (102) is detachably connected with the front end of the connecting rod (2).
3. The screwing type pressing mechanism of the automobile checking fixture according to claim 2, characterized in that the second part (102) is connected with the connecting rod (2) through a pin hole and is fixed through a pin (7).
4. The tightening type hold-down mechanism of an automotive checking fixture according to claim 2, characterized in that the height h of the first part (101) is larger than the radius r of the connecting rod (2).
5. The tightening clamping mechanism of an automobile test tool according to claim 2, characterized in that the angle of rotation between the first part (101) and the first plane (201) on the draw hook (1) is set to 180 ° and the angle of rotation between the second plane (202) is set to 90 °.
6. The screwing type pressing mechanism of the automobile checking fixture according to claim 1, characterized in that a pin hole connection mode is adopted between the handle (6) and the connecting rod (2), and a head stop screw (8) is adopted for fixing.
7. The tightening type pressing mechanism of the automobile checking fixture according to claim 1, characterized in that the bushing (3) is a cylindrical structure, and the connecting rod (2) penetrates through an inner hole of the bushing (3); the inner diameter of the bushing (3) is equal to the outer diameter of the connecting rod (2).
8. The tightening type pressing mechanism of the automobile checking fixture according to claim 1, characterized in that the rear end of the bushing (3) is provided with a vertical cut and is L-shaped; cut open perpendicularly and set up on the incision stopper (4), stopper (4) thickness with cut open notched axial length perpendicularly and equal, stopper (4) bottom surface is arranged in cut open notched tangent plane that is on a parallel with the axis perpendicularly.
9. The tightening type pressing mechanism of the automobile checking fixture according to claim 1, characterized in that the length of the first plane (201) is greater than the stroke of the draw hook (1).
10. The tightening type pressing mechanism of the automobile testing fixture according to claim 1, characterized in that a smooth transition surface is arranged at the position where the second plane (202) intersects with the first plane (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004878.3U CN211262020U (en) | 2019-11-19 | 2019-11-19 | Screwing type pressing mechanism of automobile checking fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004878.3U CN211262020U (en) | 2019-11-19 | 2019-11-19 | Screwing type pressing mechanism of automobile checking fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262020U true CN211262020U (en) | 2020-08-14 |
Family
ID=71986288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004878.3U Active CN211262020U (en) | 2019-11-19 | 2019-11-19 | Screwing type pressing mechanism of automobile checking fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262020U (en) |
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2019
- 2019-11-19 CN CN201922004878.3U patent/CN211262020U/en active Active
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