CN211306175U - Press mounting tool for roll type elastic pin - Google Patents
Press mounting tool for roll type elastic pin Download PDFInfo
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- CN211306175U CN211306175U CN201921450315.0U CN201921450315U CN211306175U CN 211306175 U CN211306175 U CN 211306175U CN 201921450315 U CN201921450315 U CN 201921450315U CN 211306175 U CN211306175 U CN 211306175U
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Abstract
The utility model provides a press fitting tool for a roll type spring pin, which comprises a body, a threaded sleeve, a sliding plug and a screw rod, wherein the threaded sleeve is in threaded connection with the body and can move back and forth and clamp a shifting fork connecting sleeve and a fork shaft in the body; in the press mounting mode, a screw rod is manually rotated, the screw rod pushes a top pin, and the top pin pushes a rolled elastic pin to enter mounting hole positions of a shifting fork connecting sleeve and a fork shaft; the structure of a spring, a sliding pin and a screw plug is adopted, the mounting hole position of the fork shaft and the mounting hole position of the shifting fork connecting sleeve are accurately positioned, and the sliding pin is withdrawn by rotating the screw plug while the rolled elastic pin is pressed into the mounting hole of the shifting fork connecting sleeve and the mounting hole of the fork shaft; the utility model discloses the structure is small and exquisite, and convenient to use is applicable to the middling pressure dress book formula elastic pin in narrow and small space.
Description
Technical Field
The utility model belongs to automobile parts erecting tool field, concretely relates to pressure equipment instrument of formula of book spring pin.
Background
The roll-type elastic pin is commonly used for positioning and fixing a fork shaft of an automobile transmission and a shifting fork connecting sleeve, and the shifting fork connecting sleeve is a sleeve-shaped part which is positioned at the top of a shifting fork body and is used for being connected with the fork shaft; in the actual operation process, the roll-type elastic pin is difficult to install, and the following two assembling modes are commonly adopted at present: 1) knocking: a hand hammer and an auxiliary tool are used for installing a rolled elastic pin in a knocking mode; this kind of assembly mode produces the impact force, and the impact force can not offset in the mechanism is inside, produces the damage to the assembly product, if: the bending of the fork shaft, the deformation of the fork shaft hole of the shell and the like. 2) Press fitting: pressing and mounting by adopting equipment; the mode has large investment, large equipment volume and large occupied space, needs larger installation space, and has compact structure arrangement at the installation position of the fork shaft of the transmission, thereby being difficult to have the space for arranging the press-fitting clamp.
Disclosure of Invention
The utility model discloses an overcome roll up formula elastic pin installation difficulty, the easy zero part damage scheduling problem that produces in the assembling process that exists among the prior art, provide a pressure equipment instrument of formula elastic pin of book.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
a press-fitting tool for a rolled elastic pin is used for press-fitting the rolled elastic pin into a mounting hole of a shifting fork connecting sleeve and a mounting hole of a fork shaft, and is characterized by comprising a body, a threaded sleeve and a screw rod;
the longitudinal section of the body is in a U shape with an upward opening, vertical parts which are vertically and upwardly arranged are arranged at two ends of a horizontal part of the body, an internal thread through hole is formed in the center of the vertical part positioned at the front end of the body along the horizontal direction, external threads are arranged at the front section of the threaded sleeve, the threaded sleeve is in threaded connection with the body, the threaded sleeve can rotate and move backwards, and then the shifting fork connecting sleeve and the fork shaft can be clamped between the rear end surface of the threaded sleeve and the vertical part at the rear end of the body;
the screw sleeve is internally provided with a stepped through hole which is axially arranged, the front section of the stepped through hole of the screw sleeve is a large-aperture section, the front section of the large-aperture section of the stepped through hole of the screw sleeve is provided with internal threads, the screw rod is in threaded connection with the screw sleeve, one ejector pin is composed of two coaxially arranged cylinders with different diameters, the diameter of the front section cylinder of the ejector pin is larger than that of the rear section cylinder, the diameter of the screw rod is the same as that of the front section cylinder of the ejector pin, the diameter of the rear section cylinder of the ejector pin is the same as that of the rolled elastic pin, the rear end surface of the screw rod is in contact with the front end surface of the ejector pin arranged in the large-aperture section of the stepped through hole of the screw sleeve, the rear section cylinder of the ejector pin extends into the small-aperture section of the rear section of the stepped through hole of the screw sleeve, the rolled elastic pin is inserted into the small-aperture section of the rear section;
the center of the vertical part at the rear end of the body is provided with a stepped through hole, the stepped through hole of the body is coaxial with the stepped through hole of the screw sleeve, the rear section of the stepped hole of the body is a large-hole-diameter section and is provided with an internal thread, the front section of the stepped through hole of the body is a small-hole-diameter section, the rear part of a sliding pin of a cylindrical structure is inserted into the small-hole-diameter section of the stepped through hole of the body, a plug screw with an external thread is screwed into the large-hole-diameter section of the stepped through hole of the body, a spring is arranged between the plug screw and the sliding pin, the shifting fork connecting sleeve and the fork shaft are assembled together, the front part of the sliding pin is inserted into the mounting hole of the shifting fork connecting sleeve and the mounting hole of the fork shaft from the rear side of the.
The further technical scheme comprises the following steps:
the outer cylindrical surface of the ejector pin is axially cut into a section of plane along the ejector pin, the length of the plane is smaller than that of the ejector pin, the plane is vertically arranged upwards, an internal thread through hole is formed in a position, above the plane of the ejector pin, of the threaded sleeve, a bolt is screwed into the internal thread through hole of the threaded sleeve and extends downwards, the lower end face of the bolt is a plane, and the lower end face of the bolt is in contact with the plane of the ejector pin so as to prevent the ejector pin from rotating.
An adjusting pad with internal threads is positioned in front of the front end face of the threaded sleeve and is in threaded connection with the screw rod.
The radial cross section in the middle section of swivel nut is the octagon, and after the swivel nut is rotatory and the back movement presss from both sides the tight back of shift fork adapter sleeve and fork axle, a dog cartridge of cross-section for the U-shaped is on the middle section of swivel nut, makes a vertical portion of dog be located between the horizontal part upper surface of swivel nut and the middle section of swivel nut to a plane of this vertical portion of messenger's dog and the laminating of the horizontal part upper surface of swivel nut, another plane and the laminating of the plane in swivel nut middle section, with the relative rotation between restriction swivel nut and the body.
The front end of the screw rod is fixedly connected with the center of a handle of a cross-shaped rod structure.
The rear end of the horizontal part of the body and the vertical part of the rear end of the body are in transition through an inclined plane, and an arc-shaped groove is formed in the inclined plane to increase the contact area between the body and the shifting fork connecting sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a press mounting tool for a roll type elastic pin, which adopts a manual screw rod to rotate in a press mounting mode, the screw rod pushes a top pin, the top pin pushes the roll type elastic pin, and the roll type elastic pin is pressed into a mounting hole of a shifting fork connecting sleeve and a mounting hole of a fork shaft; the structure of a spring, a sliding pin and a screw plug is adopted, the positions of a mounting hole of a fork shaft and a mounting hole of a shifting fork connecting sleeve are accurately positioned, and the sliding pin is withdrawn by rotating the screw plug while a rolled elastic pin is pressed into the mounting holes of the shifting fork connecting sleeve and the fork shaft; the utility model discloses the structure is small and exquisite, and convenient to use is applicable to the middling pressure dress book formula elastic pin in narrow and small space.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a press-fitting tool for a roll-type elastic pin according to the present invention;
in the figure: 1. the handle, 2. the screw rod, 3. the adjusting pad, 4. the threaded sleeve, 5. the body, 6. the stop dog, 7. the bolt, 8. the knock pin, 9. the sliding pin, 10. the plug screw, 11. the spring, 12. the shifting fork connecting sleeve, 13. the fork shaft, 14. the roll type elastic pin
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
the utility model provides a pressure equipment instrument of formula of book elastic pin for in 14 pressure equipments of formula of book elastic pin go into the mounting hole of shift fork adapter sleeve 12 and the mounting hole of fork shaft 13, shift fork adapter sleeve 12 is located shift fork body top, a tubulose position of cover for being connected with fork shaft 13, as shown in fig. 1, because the structure of this pressure equipment instrument does not have structural relation with the shift fork main part, the function and the effect of this pressure equipment instrument do not receive the influence of shift fork main part yet, this position of shift fork adapter sleeve 12 at shift fork main part top has only been drawn in the picture, the main part position of shift fork has been left out.
The main parts of the press fitting tool comprise a body 5, a threaded sleeve 4 and a screw rod 2, wherein the longitudinal section of the body 5 is in a U shape with an upward opening.
The both ends of the horizontal part of body 5 all have the vertical portion that makes progress the setting, and the center that lies in the vertical portion of body 5 front end is opened along the horizontal direction has the internal thread through-hole, and the anterior segment of swivel nut 4 has the external screw thread, and swivel nut 4 and body 5 threaded connection, swivel nut 4 are rotatory and move backward with shift fork adapter sleeve 12 and fork 13 clamp tightly between the rear end face of swivel nut 4 and the vertical portion of body 5 rear end.
The screw sleeve 4 is internally provided with a stepped through hole which is axially arranged, the front section of the stepped through hole of the screw sleeve 4 is a large-aperture section, the front section of the large-aperture section of the stepped through hole of the screw sleeve 4 is provided with internal threads, the screw rod 2 is in threaded connection with the screw sleeve 4, the knock pin 8 is composed of two coaxially arranged cylinders with different diameters, the diameter of the front section cylinder of the knock pin 8 is larger than that of the rear section cylinder, the diameter of the screw rod 2 is the same as that of the front section cylinder of the knock pin 8, the diameter of the rear section cylinder of the knock pin 8 is the same as that of the rolled elastic pin 14, the rear end surface of the screw rod 2 is in contact with the front end surface of the knock pin 8 arranged in the large-aperture section of the stepped through hole of the screw sleeve 4, and the rear section cylinder of the knock pin 8 extends into, the rolled elastic pin 14 is inserted into the small-bore section of the rear section of the stepped through hole of the threaded sleeve 4, and the rear end face of the rolled elastic pin 14 is in contact with the rear end face of the rear section cylinder of the knock pin 8.
A section of plane is cut out along the axial direction of the ejector pin 8 on the outer cylindrical surface of the ejector pin 8, the length of the plane is smaller than that of the ejector pin 8, the cut plane is vertically arranged upwards, an internal thread through hole is formed in the position, located above the plane of the ejector pin 8, of the threaded sleeve 4, the bolt 7 is screwed into the internal thread through hole of the threaded sleeve 4 and extends downwards, the lower end face of the bolt 7 is a plane, and the lower end face of the bolt 7 is in contact with the plane of the ejector pin 8 so as to prevent the ejector pin 8 from rotating. An adjusting pad 3 with internal threads is positioned in front of the front end face of the threaded sleeve 4, the adjusting pad 3 is in threaded connection with the screw rod 2 and used for limiting the backward movement position of the screw rod 2, when the screw rod 2 rotates and moves backward to a required position, the adjusting pad 3 is rotated to enable the adjusting pad 3 to be attached to the rear end face of the threaded sleeve 4, and backward movement caused by continuous rotation of the screw rod 2 under the influence of other forces is prevented to a certain extent. The front end of the screw rod 2 is fixedly connected with the center of the handle 1 with a cross-shaped rod structure, so that an operator can rotate the cross-shaped rod part of the handle 1 and drive the screw rod 2 to rotate.
A stepped through hole is formed in the center of a vertical part at the rear end of a body 5, the stepped through hole of the body 5 is coaxial with the stepped through hole of a screw sleeve 4, the rear section of the stepped hole of the body 5 is a large-diameter section and is provided with an internal thread, the front section of the stepped through hole of the body 5 is a small-diameter section, the rear part of a slide pin 9 of a cylindrical structure is inserted into the small-diameter section of the stepped through hole of the body 5, a screw plug 10 with an external thread is screwed into the large-diameter section of the stepped through hole of the body 5, a spring 11 is arranged between the screw plug 10 and the slide pin 9, a shift fork connecting sleeve 12 and a fork shaft 13 are assembled together, the outer diameter of the slide pin 9 is the same as the inner diameter of a mounting hole of the shift fork connecting sleeve 12 and the inner diameter of a mounting hole of the fork shaft 13, the front part of the slide pin 9 is inserted into the mounting hole of the shift fork connecting sleeve, The mounting hole of the fork shaft 13 and the roll type elastic pin 14 are coaxial.
The radial cross section of the middle section of the thread insert 4 is octagonal, when the thread insert 4 rotates and moves backwards to clamp the shifting fork connecting sleeve 12 and the fork shaft 13, the stop dog 6 with a U-shaped cross section is inserted into the middle section of the thread insert 4, a vertical part of the stop dog 6 is positioned between the upper surface of the horizontal part of the thread insert 4 and the middle section of the thread insert 4, a plane of the vertical part of the stop dog 6 is attached to the upper surface of the horizontal part of the thread insert 4, and another plane is attached to the plane of the middle section of the thread insert 4, so that the relative rotation between the thread insert 4 and the body 5 is limited.
In order to further increase the contact area between the shift fork connecting sleeve 12 and the body 5, the rear end of the horizontal part of the body 5 and the vertical part of the rear end of the body 5 are transited through an inclined plane, and an arc-shaped groove in contact with the outer cylindrical surface of the shift fork connecting sleeve 12 is formed in the inclined plane.
The utility model provides a pair of pressure equipment instrument of formula of book elasticity round pin's working process does:
as shown in fig. 1, the rolled elastic pin 14 is inserted into the small-bore section of the rear section of the stepped through hole of the screw sleeve 4 from the opening of the rear end face of the screw sleeve 4; assembling a shifting fork connecting sleeve 12 and a fork shaft 13 together, enabling a sliding pin 9 to penetrate through a mounting hole of the shifting fork connecting sleeve 12 and a mounting hole of the fork shaft 13 from the rear side of the shifting fork connecting sleeve 12, further enabling the sliding pin 9, the mounting hole of the shifting fork connecting sleeve 12, the mounting hole of the fork shaft 13 and a rolled elastic pin 14 to be coaxial, enabling a screw sleeve 4 to rotate and move backwards to clamp the shifting fork connecting sleeve 12 and the fork shaft 13 between the front end face of the screw sleeve 4 and the vertical portion of the rear end of a body 5, enabling a rotating handle 1 to drive a screw rod 2 to rotate, enabling the screw rod 2 to move backwards to push a top pin 8, enabling the top pin 8 to move backwards to push the rolled elastic pin 14 to enter the mounting hole of the shifting fork connecting sleeve 12 and the mounting hole of the fork shaft 13 from the front side of the shifting fork connecting sleeve, and enabling a screw plug 10 to move backwards at the same time.
Claims (6)
1. A press fitting tool for a rolled elastic pin is used for press fitting the rolled elastic pin (14) into a mounting hole of a shifting fork connecting sleeve (12) and a mounting hole of a fork shaft (13), and is characterized by comprising a body (5), a threaded sleeve (4) and a screw rod (2);
the longitudinal section of the body (5) is in a U shape with an upward opening, vertical parts which are vertically and upwardly arranged are arranged at two ends of a horizontal part of the body (5), an internal thread through hole is formed in the center of the vertical part positioned at the front end of the body (5) along the horizontal direction, an external thread is arranged at the front section of the screw sleeve (4), the screw sleeve (4) is in threaded connection with the body (5), and the screw sleeve (4) can rotate and move backwards so as to clamp the shifting fork connecting sleeve (12) and the fork shaft (13) between the rear end surface of the screw sleeve (4) and the vertical part at the rear end of the body (5);
the screw sleeve (4) is internally provided with a stepped through hole which is axially arranged, the front section of the stepped through hole of the screw sleeve (4) is a large-aperture section, the front section of the large-aperture section of the stepped through hole of the screw sleeve (4) is provided with internal threads, the screw rod (2) is in threaded connection with the screw sleeve (4), one ejector pin (8) is composed of two sections of cylinders which are coaxially arranged and have different diameters, the diameter of the front section cylinder of the ejector pin (8) is larger than that of the rear section cylinder, the diameter of the screw rod (2) is the same as that of the front section cylinder of the ejector pin (8), the diameter of the rear section cylinder of the ejector pin (8) is the same as that of the rolled elastic pin (14), the rear end surface of the screw rod (2) is in contact with the front end surface of the ejector pin (8) arranged in the large-aperture section of the stepped through hole of the screw sleeve (4), the rear section cylinder of the ejector pin (8) extends into the small-aperture section of the rear section of the stepped through hole of the screw sleeve (4), and the rolled elastic, the rear end surface of the roll type elastic pin (14) is contacted with the rear end surface of the rear section cylinder of the ejector pin (8);
the rear end of the body (5) is provided with a stepped through hole in the center of the vertical part, the stepped through hole of the body (5) is coaxial with the stepped through hole of the screw sleeve (4), the rear section of the stepped hole of the body (5) is a large-hole-diameter section and is provided with an internal thread, the front section of the stepped through hole of the body (5) is a small-hole-diameter section, the rear part of a sliding pin (9) of a cylindrical structure is inserted into the small-hole-diameter section of the stepped through hole of the body (5), a plug screw (10) with an external thread is screwed into the large-hole-diameter section of the stepped through hole of the body (5), a spring (11) is arranged between the plug screw (10) and the sliding pin (9), the shifting fork connecting sleeve (12) and the fork shaft (13) are assembled together, the front part of the sliding pin (9) is inserted into a mounting hole of the shifting fork connecting sleeve (12) and a mounting hole of the fork shaft (13) from the rear side of the, The mounting hole of the fork shaft (13) and the rolled elastic pin (14) are coaxial.
2. The pressing tool for the rolled elastic pin according to claim 1, characterized in that a plane is cut on the outer cylindrical surface of the knock pin (8) along the axial direction of the knock pin (8), the length of the plane is smaller than that of the knock pin (8) and the plane is arranged vertically upward, an internally threaded through hole is formed at the position of the screw sleeve (4) above the plane of the knock pin (8), a bolt (7) is screwed into the internally threaded through hole of the screw sleeve (4) and extends downward, the lower end surface of the bolt (7) is a plane, and the lower end surface of the bolt (7) is in contact with the plane of the knock pin (8) to prevent the knock pin (8) from rotating.
3. A press-fitting tool of a rolled elastic pin according to claim 1, characterized in that an internally threaded adjusting washer (3) is located in front of the front end face of the threaded sleeve (4), and the adjusting washer (3) is threadedly coupled to the threaded rod (2).
4. The press-fitting tool for the rolled elastic pin according to claim 1, characterized in that the radial section of the middle section of the threaded sleeve (4) is octagonal, when the threaded sleeve (4) rotates and moves backwards to clamp the shift fork connecting sleeve (12) and the fork shaft (13), a stopper (6) with a U-shaped section is inserted into the middle section of the threaded sleeve (4), so that a vertical part of the stopper (6) is located between the upper surface of the horizontal part of the threaded sleeve (4) and the middle section of the threaded sleeve (4), and a plane of the vertical part of the stopper (6) is attached to the upper surface of the horizontal part of the threaded sleeve (4) and another plane is attached to a plane of the middle section of the threaded sleeve (4), so as to limit the relative rotation between the threaded sleeve (4) and the body (5).
5. A press-fitting tool for a rolled elastic pin according to claim 1, wherein the front end of the screw rod (2) is fixedly connected to the center of a handle (1) having a cross-shaped rod structure.
6. A press-fitting tool for a rolled type elastic pin according to claim 1, characterized in that the rear end of the horizontal portion of the body (5) is transited to the vertical portion of the rear end of the body (5) through a slope having an arc-shaped groove to increase the contact area between the body (5) and the shift fork connection sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450315.0U CN211306175U (en) | 2019-09-03 | 2019-09-03 | Press mounting tool for roll type elastic pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450315.0U CN211306175U (en) | 2019-09-03 | 2019-09-03 | Press mounting tool for roll type elastic pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211306175U true CN211306175U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450315.0U Active CN211306175U (en) | 2019-09-03 | 2019-09-03 | Press mounting tool for roll type elastic pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211306175U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246987A (en) * | 2020-09-29 | 2021-01-22 | 中国航发动力股份有限公司 | Self-adaptive positioning nut riveting tool and method |
| CN112571369A (en) * | 2020-11-30 | 2021-03-30 | 沪东重机有限公司 | Pulling-out device for elastic pin |
| CN113020940A (en) * | 2021-02-23 | 2021-06-25 | 上海天永智能装备股份有限公司 | Shifting fork positioning pin press-fitting device |
| CN115008358A (en) * | 2021-03-03 | 2022-09-06 | 中国航发商用航空发动机有限责任公司 | Positioning and mounting tool |
-
2019
- 2019-09-03 CN CN201921450315.0U patent/CN211306175U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246987A (en) * | 2020-09-29 | 2021-01-22 | 中国航发动力股份有限公司 | Self-adaptive positioning nut riveting tool and method |
| CN112571369A (en) * | 2020-11-30 | 2021-03-30 | 沪东重机有限公司 | Pulling-out device for elastic pin |
| CN113020940A (en) * | 2021-02-23 | 2021-06-25 | 上海天永智能装备股份有限公司 | Shifting fork positioning pin press-fitting device |
| CN115008358A (en) * | 2021-03-03 | 2022-09-06 | 中国航发商用航空发动机有限责任公司 | Positioning and mounting tool |
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