CN209998693U - Riveting tool for water pump water seal - Google Patents
Riveting tool for water pump water seal Download PDFInfo
- Publication number
- CN209998693U CN209998693U CN201920382224.1U CN201920382224U CN209998693U CN 209998693 U CN209998693 U CN 209998693U CN 201920382224 U CN201920382224 U CN 201920382224U CN 209998693 U CN209998693 U CN 209998693U
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- water pump
- die holder
- water seal
- riveting
- positioning sleeve
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Abstract
The riveting tool for the water pump water seal is characterized by comprising a die holder assembly, a positioning sleeve and a pressure head, wherein the positioning sleeve and the pressure head are sleeved on the die holder assembly, the water pump water seal is supported between the die holder assembly and the positioning sleeve along the axial direction, the pressure head abuts against the rotating side of the water pump water seal, the die holder assembly is in spherical contact with the lower port of a transmission seat on the static side of the water pump water seal, the pressure head is pressed downwards to enable the water pump water seal to be pressed downwards, and the lower port of the transmission seat deforms along the spherical surface and is connected with a corrugated pipe seat. The utility model can realize the riveting connection of the water pump water seal with different riveting height and size and different diameter of the rotating shaft, has high universality and practicability, and effectively reduces the production cost of the riveting tool; the riveting accuracy is high, the stress deformation and the riveting eccentricity of the corrugated pipe seat are effectively avoided, and the use reliability is high.
Description
Technical Field
The utility model relates to a riveting frock of kind of water pump water seals belongs to internal-combustion engine water pump water seal technical field.
Background
The water pump water seal is a device for preventing fluid leakage, which is formed by at least keeping the end surface vertical to the rotation axis to be jointed and relatively sliding under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the matching of auxiliary sealing, the water pump water seal part mainly comprises a rotating ring component and a static ring component, namely the water pump water seal mainly prevents fluid leakage through a sliding working surface where the rotating ring and the static ring are jointed and relatively slide, the side where the rotating ring is positioned is called a rotating side, and the side where the static ring is positioned is called a static side, wherein a transmission seat in the rotating ring component is connected with a corrugated pipe seat in the static ring component through riveting, so that the transmission seat cannot be separated from the corrugated pipe seat to form an integral structure .
Because the water pump water seal's kind is various, the height dimension that the riveting required and the diameter kind of rotation axis are not , adopt traditional riveting mode, need a large amount of riveting forming die to the water pump water seal riveting of different models, riveting forming die adopts high rigidity metal material machining shaping, and easy and transmission seat wearing and tearing, belong to the consumption piece, use cost is higher relatively.
SUMMERY OF THE UTILITY MODEL
The riveting tool for the water pump water seal provided by the utility model can realize riveting connection of the water pump water seal with different riveting height and size and different rotating shaft diameter, has high universality and practicability, and effectively reduces the production cost of the riveting tool; the riveting accuracy is high, the stress deformation and the riveting eccentricity of the corrugated pipe seat are effectively avoided, and the use reliability is high.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the riveting tool for the water pump water seal is characterized by comprising a die holder assembly, a positioning sleeve and a pressure head, wherein the positioning sleeve and the pressure head are sleeved on the die holder assembly, the water pump water seal is supported between the die holder assembly and the positioning sleeve along the axial direction, the pressure head abuts against the rotating side of the water pump water seal, the die holder assembly is in spherical contact with the lower port of a transmission seat on the static side of the water pump water seal, the pressure head is pressed downwards to enable the water pump water seal to be pressed downwards, and the lower port of the transmission seat deforms along the spherical surface and is connected with a corrugated pipe seat.
Preferably, the die holder assembly comprises a cylindrical die holder with an upward opening and a steel ball in spherical contact with a lower port of the transmission seat, and the steel ball is fixed in the upper opening of the die holder and aligned with the center of the die holder.
Preferably, the positioning sleeve is sleeved on the die holder, the top surface of the positioning sleeve is higher than that of the die holder, the corrugated tube seat and the positioning sleeve are in clearance fit and extend into the positioning sleeve, and the distance h from the top surface of the positioning sleeve to a port flanging of the corrugated tube seat is larger than the pressing distance of the water pump water seal by 2-3 mm.
Preferably, the bottom of the die holder is provided with an annular horizontal flange extending along the radial direction, and the positioning sleeve is arranged on the annular horizontal flange and is in clearance fit with the die holder.
Preferably, the annular horizontal flange and the positioning sleeve are flexibly connected through a rubber pad or a spring.
Preferably, the diameter of the steel ball is equal to or more than HRC or greater than the hardness of the transmission seat.
Preferably, the ram is a pneumatic ram.
The utility model has the advantages that:
the utility model discloses well transmission seat lower port adopts the sphere contact with the die holder subassembly, pushes down the pressure head and makes transmission seat lower port warp along the sphere, forms and rivets the mouth and compress tightly in the ripple tube socket, makes transmission seat and ripple tube socket riveting connect into whole, adopts sphere contact riveting to replace the riveting forming die among the prior art, can realize that the riveting of the different water pump water seal of riveting height dimension and rotation axis diameter is connected, commonality and practicality are high, effectively reduces the manufacturing cost of riveting frock.
The steel ball is fixed through the die holder, the radial position of the water pump water seal is positioned through the positioning sleeve, the water pump water seal is aligned with the die holder assembly in the axial direction basically, a riveting opening formed by pressing down of the pressing head is accurately pressed on the glass corrugated tube seat, the riveting accuracy of the water pump water seal is high, and the use reliability of the tool is high.
Through limiting the distance h from the top surface of the positioning sleeve to the port flanging of the corrugated pipe seat, the corrugated pipe seat is effectively prevented from being stressed and deformed and is riveted to be eccentric, and the use reliability is improved in steps.
The positioning sleeve is flexibly connected with the annular horizontal flange at the bottom of the die holder, and the positioning sleeve and the die holder can move relatively along the axial direction when the riveting pressure is over-limited, so that the stress deformation probability of the corrugated tube seat is reduced.
Drawings
Fig. 1 is a schematic structural view of a water pump seal riveted by a riveting tool in an embodiment of the invention.
Detailed Description
The following describes an embodiment of the present invention in detail with reference to fig. 1.
The riveting tool for the water pump water seal is characterized by comprising a die holder component 1, a positioning sleeve 2 and a pressure head 3 which are sleeved on the die holder component 1, the water pump water seal 4 is axially supported between the die holder component 1 and the positioning sleeve 2, the pressure head 3 abuts against the rotating side of the water pump water seal 4, the die holder component 1 is in spherical contact with the lower port of a transmission seat 41 on the static side of the water pump water seal 4, the pressure head 3 is pressed down to press down the water pump water seal 4, the lower port of the transmission seat 41 deforms along the spherical surface, and the transmission seat is connected with a corrugated tube seat 42 on the static side of the water pump water seal 4 into.
As shown in the riveting frock of water pump water seal, transmission 41 lower port adopts the sphere contact with die holder subassembly 1, the pressure head 3 makes transmission 41 lower port along the sphere deformation, form and rivet the mouth and compress tightly in the ripple tube socket, make transmission 41 and ripple tube socket 42 riveting connect into whole, adopt sphere contact riveting to replace the riveting forming die among the prior art, can realize the riveting of the different water pump water seal of riveting height dimension and rotation axis diameter and connect, commonality and practicality are high, effectively reduce the manufacturing cost of riveting frock.
The die holder assembly 1 comprises a die holder 11 which is cylindrical and is provided with an upward opening, and a steel ball 12 which is in spherical contact with a lower port of the transmission seat 41, wherein the steel ball 12 is fixed in the upper opening of the die holder 11 and is aligned with the center of the die holder 11. The steel ball 12 is fixed through the die holder 11, the radial position of the water pump water seal 4 is positioned through the positioning sleeve 2, the water pump water seal is aligned with the die holder assembly in the axial direction basically, a riveting opening formed by pressing down of the pressing head 3 is accurately pressed on the glass corrugated tube seat 42, the riveting accuracy of the water pump water seal is high, and the use reliability of the tool is high.
The positioning sleeve 2 is sleeved on the die holder 11, the top surface of the positioning sleeve 2 is higher than the top surface of the die holder 11, the corrugated tube seat 42 and the positioning sleeve 2 are in clearance fit and extend into the positioning sleeve 2 to effectively and radially position the water pump water seal 4, the distance h from the top surface of the positioning sleeve 2 to the port flanging 42.1 of the corrugated tube seat 42 is larger than the downward pressing distance 2-3 mm of the water pump water seal 4, the port flanging 42.1 is stressed and deformed when h is too small, the water pump water seal cannot be accurately positioned when h is too large, riveting eccentricity can be caused, and therefore the distance h from the top surface of the positioning sleeve 2 to the port flanging of the corrugated tube seat 42 is limited, stress deformation and riveting eccentricity of the corrugated tube seat are effectively avoided, and the use reliability is improved in steps.
Wherein, the bottom of the die holder 11 is provided with an annular horizontal flange 11.1 which extends along the radial direction, and the positioning sleeve 2 is arranged on the annular horizontal flange 11.1 and is in clearance fit with the die holder 11, thereby being convenient for assembling the positioning sleeve 2.
Wherein, the annular horizontal flange 11.1 is flexibly connected with the positioning sleeve 2 through a rubber pad or a spring. The flexible connection is adopted to ensure that the positioning sleeve and the die holder can move relatively along the axial direction when the riveting pressure is over-limited, so that the stress deformation probability of the corrugated tube seat is reduced.
The diameter of the steel ball 12 is 1.2-1.5 times of the diameter of the inner hole of the transmission seat 41, and the hardness of the steel ball 12 is greater than or equal to 58HRC or greater than the hardness of the transmission seat 41. The lower port of the transmission seat 41 is effectively riveted to form a rivet hole to be compressed on the corrugated tube seat 42, so that the abrasion of the steel ball 12 is reduced, and the service life of the riveting tool is prolonged.
Wherein, pressure head 3 is pneumatic pressure head, is convenient for adjust and control, and the power homogeneity is good.
Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. Riveting frock of water pump water seal, its characterized in that includes die holder subassembly (1), position sleeve (2) and pressure head (3) of cover on die holder subassembly (1), water pump water seal (4) support along the axial between die holder subassembly (1) and position sleeve (2), pressure head (3) support on water pump water seal (4) rotation side, die holder subassembly (1) and the spherical surface contact of port under drive seat (41) of water pump water seal (4) static side, push down pressure head (3), make water pump water seal (4) push down, drive seat (41) lower port along spherical deformation, connect into whole with ripple tube socket (42) riveting of water pump water seal (4) static side.
2. The riveting tool for the water seal of the water pump according to claim 1, wherein the die holder assembly (1) comprises a cylindrical die holder (11) with an upward opening and a steel ball (12) in spherical contact with a lower port of the transmission seat (41), and the steel ball (12) is fixed in the upper opening of the die holder (11) and aligned with the center of the die holder (11).
3. The riveting tool for the water pump water seal according to claim 2, wherein the positioning sleeve (2) is sleeved on the die holder (11), the top surface of the positioning sleeve (2) is higher than the top surface of the die holder (11), the corrugated tube seat (42) and the positioning sleeve (2) are in clearance fit and extend into the positioning sleeve (2), and the distance h from the top surface of the positioning sleeve (2) to a port flanging (42.1) of the corrugated tube seat (42) is greater than the pressing distance of the water pump water seal (4) by 2-3 mm.
4. The riveting tool for the water seal of the water pump according to claim 2, wherein the bottom of the die holder (11) is provided with an annular horizontal flange (11.1) extending in the radial direction, and the positioning sleeve (2) is arranged on the annular horizontal flange (11.1) and is in clearance fit with the die holder (11).
5. The riveting tool for the water seal of the water pump according to claim 4, wherein the annular horizontal flange (11.1) is flexibly connected with the positioning sleeve (2) through a rubber pad or a spring.
6. The riveting tool for the water seal of the water pump according to claim 2, wherein the diameter of the steel ball (12) is 1.2-1.5 times of the diameter of the inner hole of the transmission seat (41), and the hardness of the steel ball (12) is greater than or equal to 58HRC or greater than the hardness of the transmission seat (41).
7. The riveting tool for the water seal of the water pump according to claim 1, wherein the pressure head (3) is a pneumatic pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382224.1U CN209998693U (en) | 2019-03-25 | 2019-03-25 | Riveting tool for water pump water seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382224.1U CN209998693U (en) | 2019-03-25 | 2019-03-25 | Riveting tool for water pump water seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209998693U true CN209998693U (en) | 2020-01-31 |
Family
ID=69302019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920382224.1U Active CN209998693U (en) | 2019-03-25 | 2019-03-25 | Riveting tool for water pump water seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209998693U (en) |
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2019
- 2019-03-25 CN CN201920382224.1U patent/CN209998693U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee after: Weichai torch Technology Co.,Ltd. Address before: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee before: ZHUZHOU TORCH SPARKPLUG Co.,Ltd. |