CN210664894U - Car gas tightness detects frock - Google Patents
Car gas tightness detects frock Download PDFInfo
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- CN210664894U CN210664894U CN201921712687.6U CN201921712687U CN210664894U CN 210664894 U CN210664894 U CN 210664894U CN 201921712687 U CN201921712687 U CN 201921712687U CN 210664894 U CN210664894 U CN 210664894U
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- plate
- centering
- bearing
- bolt
- fixed subassembly
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Abstract
The utility model discloses an automobile air tightness detection tool, which comprises a centering plate and an air tightness sleeve fixed on the centering plate through a fixing component, wherein the air tightness sleeve comprises a positioning plate and a sleeve body vertically fixed on the positioning plate, the positioning plate is a cam, and one side of the positioning plate, which is far away from the sleeve body, is in contact with the positioning plate; the fixing component is located on one side of the positioning plate and comprises a fixing plate, a bolt, a bearing and a contact ring, the fixing plate is an L-shaped plate, a vertical plate of the fixing plate is connected with the centering plate, the bolt is in threaded connection with the horizontal plate, the tail end of a rod portion of the bolt penetrates through the horizontal plate of the fixing plate and then is connected with an inner ring of the bearing, and the contact ring is located on one side, far away from the bolt, of the bearing and is connected with an outer ring of the bearing. The utility model relates to a car gas tightness detects frock is convenient for transfer the position of the airtight cover of gas to special cases such as adaptation centering equipment centering is inaccurate, the maintenance of equipment adjustment guarantee going on smoothly that derailleur gas tightness detected.
Description
Technical Field
The utility model relates to the field of automotive technology, concretely relates to car gas tightness detects frock.
Background
A vehicle transmission is a set of speed change devices for coordinating the rotation speed of an engine and the actual running speed of wheels, and is used for exerting the optimal performance of the engine. The transmission can produce different transmission ratios between the engine and the wheels during the running of the vehicle. The transmission includes a transmission housing and reduction gears at various stages within the housing. A transmission housing is a housing structure for mounting a transmission gear and its accessories.
In order to reduce the abrasion and power loss of parts such as various gears in the transmission caused by internal friction, lubricating oil is injected into a shell, and the working surfaces of parts such as various gear pairs, shafts and bearings are lubricated by adopting a splash lubrication mode. In order to ensure the normal operation of the transmission, lubricating oil in the transmission must be ensured not to leak, which requires that the transmission shell has good sealing performance, and the transmission shell is a casting piece and has the defects of sand holes and the like, so the tightness inspection of the transmission shell is an essential link in the production of the transmission. The currently used tool for detecting the air tightness of the automobile transmission generally comprises a centering plate and an air tight sleeve, and due to the fact that the centering plate is fixedly connected with the air tight sleeve, when centering of centering equipment is not accurate, the centering equipment cannot be adjusted through a calibration tool, and particularly after equipment maintenance, air tightness test cannot be performed due to the fact that centering precision deviates.
In order to solve the above problems, prior art CN207408047U discloses an air tightness detection tool for an automobile transmission, which includes a centering plate and an air tight sleeve, wherein the air tight sleeve can be moved or positioned until the axis of the air tight sleeve coincides with or deviates from the center line of the centering plate. When centering deviation needs to be responded, the fastening mechanism is loosened, and the sleeve body can move to the position where the axis of the sleeve body deviates from the center line of the centering plate, so that the position degree of the airtight sleeve is convenient to adjust, special conditions such as inaccurate centering of centering equipment and equipment maintenance and adjustment are adapted, and smooth detection of the air tightness of the transmission is guaranteed.
The overall adjustment of the detection tool is limited by the size of the gap between the second positioning hole and the fastening bolt. In the process of adjusting the position of the airtight sleeve, when the second positioning hole is contacted with the fastening bolt in a certain adjusting direction, the airtight sleeve is adjusted to the limit position, and cannot move further in the direction. Therefore, the position adjustment range of the airtight sleeve in the prior art is small, the position adjustment of the airtight sleeve is not changed, and the airtight sleeve is limited by the structure of the airtight sleeve.
Disclosure of Invention
The utility model aims to provide a: the utility model provides an automobile air tightness detects frock, has solved the position control scope of the airtight cover among this prior art little, the position control of airtight cover is unchangeable, its technical problem who is limited to self structure. The utility model discloses redesigned the regulation structure of airtight cover to make its control range grow, not be subject to the size of this kind of fit clearance of hole axle.
The utility model adopts the technical scheme as follows:
an automobile air tightness detection tool comprises a centering plate and an air tight sleeve movably fixed on the centering plate through a fixing assembly, wherein the axis of the air tight sleeve is perpendicular to the centering plate, the air tight sleeve comprises a positioning plate parallel to the centering plate and a sleeve body vertically fixed on the positioning plate, the positioning plate is a cam, and one side of the positioning plate, which is far away from the sleeve body, is in contact with the positioning plate;
the fixed subassembly is located one side of locating plate, and it includes bolt, bearing and the contact ring of fixed plate and axis coincidence each other, the fixed plate is the L shaped plate, and its vertical board is connected with centering plate, bearing and contact ring are located between horizontal plate and the locating plate, bolt and horizontal plate threaded connection, the pole portion end of bolt pass behind the horizontal plate of fixed plate be connected with the inner circle of bearing, the contact ring is located one side that the bolt was kept away from to the bearing to be connected with the outer lane of bearing, and rotate the bolt and enable the contact ring on keep away from one side of bolt and the locating plate on one side contact of keeping away from centering plate.
Furthermore, a threaded hole is formed in the surface, in contact with the positioning plate, of the centering plate, a screw rod is arranged on one side, close to the centering plate, of the vertical plate of the fixing plate, one end of the screw rod is connected with the fixing plate, and the other end of the screw rod is in threaded connection with the threaded hole.
Furthermore, the number of the fixing assemblies is three, the fixing assemblies are a first fixing assembly, a second fixing assembly and a third fixing assembly in sequence along the clockwise direction, and the first fixing assembly rotates around a midpoint between the first fixing assembly and the third fixing assembly by an angle and then is overlapped with the third fixing assembly.
Further, the bearing is a radial ball bearing.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to an automobile air tightness detection tool, which is convenient for adjusting the position of an air tight sleeve so as to adapt to special conditions such as inaccurate centering of centering equipment, equipment maintenance adjustment and the like and ensure the smooth detection of the air tightness of a transmission;
2. the utility model relates to an automobile air tightness detection tool, for prior art, its adjustable range is big, specifically is the difference delta between the biggest footpath and the minimum footpath on this cam of locating plate 3, and the prior art who satisfies this adjustable range needs to guarantee that fastening bolt and hole difference with it complex are delta, this means the size of hole is delta + fastening bolt's diameter, means that the radius of locating plate 3 at least need be greater than the barrel radius and the sum of hole diameter, its whole size needs to increase; and the utility model discloses in, under the same control range, do not receive this kind of cooperation restriction of hole axle, its is small, the processing cost is low.
3. The utility model relates to a car gas tightness detects frock is provided with the bearing through the pole portion end at the bolt, through ingenious structure reduced when screwing up the bolt its and the locating plate between the frictional force, prevent because of the too big condition of damaging locating plate surface quality of the power of screwing up. In order to ensure the perpendicularity of the sleeve body to the centering plate, the contact surface between the centering plate and the positioning plate preferably has a low roughness, preferably a mirror structure
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a fixing assembly;
fig. 3 is a schematic view of the position of the fixing assembly.
Reference numerals in the drawings indicate:
1-centering plate, 2-airtight sleeve, 3-positioning plate, 4-sleeve body, 5-fixing plate, 6-bolt, 7-bearing, 8-contact ring, 9-screw rod, 10-threaded hole and 11-connecting bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The term "connected" as used herein is intended to mean a conventional connection, such as integrally formed, welded, riveted, etc., if not specifically emphasized, and the specific connection is preferably adapted according to conventional technical knowledge in the art. All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 3.
Example 1
As shown in fig. 1-3, the utility model relates to an automobile air tightness detection tool, which comprises a centering plate 1 and an air tight sleeve 2 movably fixed on the centering plate 1 through a fixing component, wherein the axis of the air tight sleeve 2 is perpendicular to the centering plate 1, the air tight sleeve 2 comprises a positioning plate 3 parallel to the centering plate 1 and a sleeve body 4 vertically fixed on the positioning plate 3, the positioning plate 3 is a cam, and one side of the positioning plate, which is far away from the sleeve body 4, is in contact with the positioning plate 3;
fixed subassembly is located one side of locating plate 3, and it includes bolt 6, bearing 7 and the contact ring 8 that fixed plate 5 and axis coincide each other, fixed plate 5 is the L shaped plate, and its vertical board is connected with centering plate 1, bearing 7 and contact ring 8 are located between horizontal plate and locating plate 3, bolt 6 and horizontal plate threaded connection, the pole portion end of bolt 6 pass behind the horizontal plate of fixed plate 5 with the inner circle of bearing 7 be connected, contact ring 8 is located one side that bolt 6 was kept away from to bearing 7 to be connected with the outer lane of bearing 7, and rotate bolt 6 and can make one side of keeping away from bolt 6 on the contact ring 8 and one side contact of keeping away from centering plate 1 on locating plate 3.
Said bearing 7 is preferably a radial ball bearing. The centering plate 1 is connected to the centering device by means of a connecting bolt 11.
When the position of the airtight sleeve 2 relative to the centering plate 1 needs to be adjusted, the bolts 6 are loosened to separate the contact ring 8 from the positioning plate 3, then the position of the airtight sleeve 2 is adjusted, and after the position is adjusted to a proper position, the bolts 6 are tightened to press the contact ring 8 against the positioning plate 3, thereby fastening the airtight sleeve 2 on the centering plate 1.
The utility model discloses be convenient for transfer the position of the tight cover 2 of gas to special cases such as adaptation centering equipment centering is inaccurate, the maintenance of equipment adjustment guarantee going on smoothly that the derailleur gas tightness detected. And the utility model discloses for prior art, its adjustable range is big, specifically is the difference delta of maximum footpath and minimum footpath on this cam of locating plate 3, and satisfies the prior art of this adjustable range and need guarantee that fastening bolt and complex hole difference be the delta with it, and this means the size in hole be delta + fastening bolt's diameter, means that the radius of locating plate 3 at least will be greater than barrel radius and hole diameter sum promptly, and its whole size needs to strengthen. And the utility model discloses in, under the same control range, do not receive this kind of cooperation restriction of hole axle, its is small, the processing cost is low.
Meanwhile, the bearing 7 is arranged at the tail end of the rod part of the bolt 6, so that the friction force between the bolt 6 and the positioning plate when the bolt is screwed down is reduced through a smart structure, and the condition that the surface quality of the positioning plate is damaged due to overlarge screwing force is prevented. In order to guarantee the perpendicularity of the sleeve body to the centering plate, the contact surface between the centering plate 1 and the positioning plate 3 is preferably low in roughness, preferably mirror-surface structure.
Example 2
The embodiment is described with respect to the fixing manner of the fixing member.
The fixing plate 5 may be welded directly to the centring plate 1, but for later maintenance, a detachable connection is preferred. Specifically, a threaded hole 10 is formed in the surface of the centering plate 1, which is in contact with the positioning plate 3, a screw 9 is arranged on one side, close to the centering plate 1, of the vertical plate of the fixing plate 5, one end of the screw 9 is connected with the fixing plate 5, and the other end of the screw 9 is in threaded connection with the threaded hole 10.
Example 3
The embodiment is described for the implementation of the number of fixed components.
As shown in fig. 3, the number of the fixing assemblies is three, the fixing assemblies are a first fixing assembly, a second fixing assembly and a third fixing assembly in sequence along the clockwise direction, and the first fixing assembly rotates 180 degrees around a midpoint between the first fixing assembly and the third fixing assembly and then is overlapped with the third fixing assembly.
First fixed subassembly is rotatory 180 backs around the mid point between its and the fixed subassembly of third and the fixed subassembly coincidence of third, and the locating plate of being convenient for withdraws from or installs between first fixed subassembly and the fixed subassembly of third, has improved the utility model discloses a convenience.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides an automobile gas tightness detects frock, includes centering plate (1) and fixes airtight cover (2) on centering plate (1) through fixed subassembly activity, the axis perpendicular to centering plate (1) of airtight cover (2), its characterized in that: the airtight sleeve (2) comprises a positioning plate (3) parallel to the centering plate (1) and a sleeve body (4) vertically fixed on the positioning plate (3), the positioning plate (3) is a cam, and one side of the positioning plate (3) far away from the sleeve body (4) is in contact with the positioning plate (3);
the utility model discloses a bearing, including fixed subassembly, fixed plate (5) and axis, fixed subassembly is located one side of locating plate (3), and it includes bolt (6), bearing (7) and contact ring (8) that fixed plate (5) and axis coincide each other, fixed plate (5) are the L shaped plate, and its vertical board is connected with centering plate (1), bearing (7) and contact ring (8) are located between horizontal plate and locating plate (3), bolt (6) and horizontal plate threaded connection, the pole portion end of bolt (6) pass behind the horizontal plate of fixed plate (5) be connected with the inner circle of bearing (7), contact ring (8) are located one side that bolt (6) were kept away from in bearing (7) to be connected with the outer lane of bearing (7), and rotate bolt (6) and can make one side of keeping away from bolt (6) on contact ring (8) and the one side contact of keeping away from centering plate (1) on locating plate (3).
2. The automobile air tightness detection tool according to claim 1, characterized in that: the centering plate is characterized in that a threaded hole (10) is formed in the surface, in contact with the positioning plate (3), of the centering plate (1), a screw rod (9) is arranged on one side, close to the centering plate (1), of the vertical plate of the fixing plate (5), one end of the screw rod (9) is connected with the fixing plate (5), and the other end of the screw rod is in threaded connection with the threaded hole (10).
3. The automobile air tightness detection tool according to claim 1, characterized in that: the fixed subassembly has three, follows clockwise, is first fixed subassembly, second fixed subassembly and third fixed subassembly in proper order, and first fixed subassembly rotates 180 back and coincide with the third fixed subassembly around its mid point between the third fixed subassembly.
4. The automobile air tightness detection tool according to claim 1, characterized in that: the bearing (7) is a radial ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712687.6U CN210664894U (en) | 2019-10-12 | 2019-10-12 | Car gas tightness detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712687.6U CN210664894U (en) | 2019-10-12 | 2019-10-12 | Car gas tightness detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664894U true CN210664894U (en) | 2020-06-02 |
Family
ID=70818327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921712687.6U Expired - Fee Related CN210664894U (en) | 2019-10-12 | 2019-10-12 | Car gas tightness detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664894U (en) |
-
2019
- 2019-10-12 CN CN201921712687.6U patent/CN210664894U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20211012 |