CN214350985U - Gear assembly press-fitting clamp - Google Patents
Gear assembly press-fitting clamp Download PDFInfo
- Publication number
- CN214350985U CN214350985U CN202023309963.XU CN202023309963U CN214350985U CN 214350985 U CN214350985 U CN 214350985U CN 202023309963 U CN202023309963 U CN 202023309963U CN 214350985 U CN214350985 U CN 214350985U
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- gear
- positioning
- guide post
- gland
- press
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Abstract
The utility model discloses a gear assembly press-fitting clamp, which comprises a base, wherein the upper surface of the base is a horizontal gear end positioning surface, a positioning column is vertically arranged on the upper surface of the base, and the outer peripheral surface of the positioning column forms an inner hole positioning surface of a non-connection section of a gear; the gear connecting section is characterized by further comprising a gland and a guide post, wherein the gland is arranged above the base, the gland is downwards provided with a circular-ring-shaped bulge which is matched with the surface of the combined gear ring to apply pressure, the guide post is vertically arranged inside the bulge and fixedly connected with the gland, the positioning post and the guide post are coaxially arranged, and the peripheral surface of the guide post forms an inner hole positioning surface of the gear connecting section; the initial assembly distance between the positioning column and the guide column is larger than the length of a superposed section after the gear and the combined gear ring are axially pressed and assembled. The guide post is matched and positioned with the gear connecting section in the press fitting process and moves downwards along with the press fitting process, so that the coaxiality of the gear ring and the gear connecting section is combined in the whole press fitting process. Meanwhile, the condition that the gear connecting section is pressed and deformed by the combined gear ring is avoided, and the assembling quality is improved.
Description
Technical Field
The utility model relates to an anchor clamps technical field, specific theory relates to a gear assembly pressure equipment anchor clamps.
Background
The transmission is an important part of an automobile, and the transmission is provided with a gear assembly consisting of a gear and a combined ring gear. When the gear and the combined gear ring are assembled, the connecting section which is axially protruded on the gear needs to be pressed into an inner hole on the combined gear ring and fixed through interference fit, and the coaxiality of two parts at the same time needs to be ensured in the assembling process.
The existing assembly scheme is that a gear is flatly placed on a base, a positioning column is formed on the base in a protruding mode and is matched and positioned with a gear shaft hole, the lower end face of the gear is attached to the upper surface of the base, then a combination gear ring is placed on the gear, the chamfer angle of the upper end of the connection section is attached and positioned with the chamfer angle corresponding to the inner hole of the combination gear ring, then the combination gear ring is pressed downwards, and the combination gear ring is compressed to the connection section of the gear to achieve connection. In practice, the coaxiality of the two parts in the press-fitting mode is poor, the deformation of the gear connecting section is not easy to control, the subsequent assembly and use are influenced, and the assembly qualified rate is low.
In view of the above, how to provide a press-fitting jig for a gear assembly for effectively ensuring the coaxiality of a gear and a combined gear ring and controlling the deformation of a gear connecting section becomes a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the gear assembly press-fitting clamp is used for effectively ensuring the coaxiality of a gear and a combined gear ring, controlling the deformation of a gear connecting section and meeting the assembly requirement.
In order to realize the purpose, the utility model discloses a technical scheme be:
a gear assembly press-fitting clamp comprises a base, wherein the upper surface of the base is a horizontal gear end positioning surface, a positioning column is vertically arranged on the upper surface of the base, and the peripheral surface of the positioning column forms an inner hole positioning surface of a non-connection section of a gear; the gear connecting section is characterized by further comprising a gland and a guide post, wherein the gland is arranged above the base, the gland is downwards provided with a circular-ring-shaped bulge which is matched with the surface of the combined gear ring to apply pressure, the guide post is vertically arranged inside the bulge and fixedly connected with the gland, the positioning post and the guide post are coaxially arranged, and the peripheral surface of the guide post forms an inner hole positioning surface of the gear connecting section; the initial assembly distance between the positioning column and the guide column is larger than the length of a superposed section after the gear and the combined gear ring are axially pressed and assembled.
Preferably, the positioning column comprises a vertically arranged column body and a positioning sleeve coaxially arranged on the column body, and the outer peripheral surface of the positioning sleeve forms an inner hole positioning surface of the non-connection section of the gear.
Preferably, the positioning sleeve is a copper sleeve.
Preferably, the gland is provided with a vertical guide post connecting hole, the upper end face of the guide post is upwards provided with a connecting shaft, and the connecting shaft is connected with the guide post connecting hole in an interference fit manner.
Preferably, the guide post is vertically provided with a weight-reducing through hole.
Preferably, the upper end surface of the gland is a horizontal surface.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the guide post is matched and positioned with the gear connecting section in the press fitting process and moves downwards along with the press fitting process, so that the coaxiality of the gear ring and the gear connecting section is combined in the whole press fitting process. Meanwhile, the condition that the gear connecting section is pressed and deformed by the combined gear ring can be avoided, and the assembling quality is improved.
Drawings
Fig. 1 is a schematic structural view of a gear assembly press-fitting jig of the present invention in a press-fitting completion state.
The labels in the figure are: the method comprises the following steps of 1-base, 2-positioning column, 201-column body, 202-positioning sleeve, 3-gland, 4-guide column, 5-gear, 501-gear connecting section and 6-combined gear ring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, the utility model discloses a gear assembly press-fitting fixture, which comprises a base 1, wherein the upper surface of the base 1 is a horizontal gear end positioning surface, a positioning column 2 is vertically arranged on the upper surface of the base 1, and the outer peripheral surface of the positioning column 2 forms an inner hole positioning surface of a non-connecting section of a gear; the gear connecting section 501 is characterized by further comprising a gland 3 and a guide post 4 which are arranged above the base 1, wherein the gland 3 is downwards provided with a circular-ring-shaped bulge 301 which is matched with the surface of the combined gear ring 6 to apply pressure, the guide post 4 is vertically arranged inside the bulge 301 and fixedly connected with the gland 3, the positioning post 2 and the guide post 4 are coaxially arranged, and the peripheral surface of the guide post 4 forms an inner hole positioning surface of the gear connecting section 501; the initial assembling distance between the positioning column 2 and the guide column 4 is larger than the length of a superposed section after the gear 5 and the combined gear ring 6 are axially pressed and assembled.
Therefore, the press-fitting clamp is used for assembling the gear and the combined gear ring, the gear axially extends outwards to form a connecting section, and the connecting section is connected with the assembling hole in the combined gear ring in an interference fit manner. The gear is placed on the base through the positioning column and the upper surface of the base in use of the clamp, and positioning is achieved. Then the combination gear ring is placed above the gear, then the gland is arranged on the combination gear ring, a horizontal plane for press fitting is arranged on the combination gear ring close to the tooth root, the protrusion is pressed on the horizontal plane of the combination gear ring, the guide column is matched with the size of an inner hole of the upper connecting section of the gear, and the combination gear ring is arranged according to the intermittent matching size. The guide post of the pressing cover is positioned in the connecting section, the assembling hole of the combined gear ring is assembled with the connecting section of the gear, and the guide post moves downwards in the pressing process to ensure that the connecting section on the gear is qualified in deformation and ensure the coaxiality of the combined gear ring after being connected with the gear under the guide action of the guide post.
In this embodiment, the positioning column 2 includes a column body 201 vertically disposed and a positioning sleeve 202 coaxially disposed on the column body 201, and an outer peripheral surface of the positioning sleeve 202 constitutes an inner hole positioning surface of the non-connection section of the gear.
Therefore, the positioning sleeve is convenient to replace, and the machining requirement of the base is reduced. The requirement on the machining precision of the column body is reduced, and the outer surface of the large-size positioning column is avoided.
In this embodiment, the locating sleeve 202 is a copper sleeve.
Therefore, the copper sleeve is softer than the gear material, the inner surface of the gear can be effectively prevented from being scratched, and meanwhile, the positioning effect is achieved.
In this embodiment, be provided with vertical guide post connecting hole on the gland 3, upwards be provided with the connecting axle on the guide post 4 up end, the connecting axle is connected with guide post connecting hole interference fit.
Thus, the machining precision of the parts is ensured by convenient and independent machining. The interference fit mode is higher in connection precision and good in reliability.
In the present embodiment, the guide post 4 is vertically provided with a weight-reducing through hole.
Thus, the weight-reduced through holes reduce the cost and facilitate the carrying. Wherein the lightening through holes are not shown.
In the present embodiment, the upper end surface of the gland 3 is a horizontal surface.
Therefore, the horizontal plane can conveniently and uniformly apply pressure, the whole combination gear is ensured to horizontally move, and the assembly quality is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The press-fitting clamp for the gear assembly is characterized by comprising a base (1), wherein the upper surface of the base (1) is a horizontal gear end positioning surface, a positioning column (2) is vertically arranged on the upper surface of the base (1), and the peripheral surface of the positioning column (2) forms an inner hole positioning surface of a non-connection section of the gear; the gear connecting structure is characterized by further comprising a gland (3) and a guide post (4) which are arranged above the base (1), wherein the gland (3) is downwards provided with a circular-ring-shaped bulge (301) which is matched with the surface of the combined gear ring (6) to apply pressure, the guide post (4) is vertically arranged inside the bulge (301) and fixedly connected with the gland (3), the positioning post (2) and the guide post (4) are coaxially arranged, and the peripheral surface of the guide post (4) forms an inner hole positioning surface of the gear connecting section (501); the initial assembling distance between the positioning column (2) and the guide column (4) is larger than the length of a superposed section of the gear (5) and the combined gear ring (6) after the axial press fitting is finished.
2. The gear assembly press-fitting fixture according to claim 1, wherein the positioning column (2) comprises a vertically arranged column body (201) and a positioning sleeve (202) coaxially arranged on the column body (201), and the outer peripheral surface of the positioning sleeve (202) forms an inner hole positioning surface of the non-connection section of the gear.
3. A gear assembly press-fitting jig as set forth in claim 2, wherein said positioning sleeve (202) is a copper sleeve.
4. The gear assembly press-fitting fixture according to claim 1, wherein a vertical guide post connecting hole is formed in the gland (3), a connecting shaft is upwardly formed at the upper end of the guide post (4), and the connecting shaft is connected with the guide post connecting hole in an interference fit manner.
5. A press-fitting jig for gear assemblies as set forth in claim 1, wherein weight-reducing through holes are vertically provided in said guide posts (4).
6. A press-fitting jig for gear assemblies as set forth in claim 1, wherein the upper end surface of said gland (3) is a horizontal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309963.XU CN214350985U (en) | 2020-12-31 | 2020-12-31 | Gear assembly press-fitting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309963.XU CN214350985U (en) | 2020-12-31 | 2020-12-31 | Gear assembly press-fitting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214350985U true CN214350985U (en) | 2021-10-08 |
Family
ID=77950542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023309963.XU Active CN214350985U (en) | 2020-12-31 | 2020-12-31 | Gear assembly press-fitting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214350985U (en) |
-
2020
- 2020-12-31 CN CN202023309963.XU patent/CN214350985U/en active Active
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