CN213764049U - Internal expansion chuck for automobile water pump - Google Patents
Internal expansion chuck for automobile water pump Download PDFInfo
- Publication number
- CN213764049U CN213764049U CN202021610620.4U CN202021610620U CN213764049U CN 213764049 U CN213764049 U CN 213764049U CN 202021610620 U CN202021610620 U CN 202021610620U CN 213764049 U CN213764049 U CN 213764049U
- Authority
- CN
- China
- Prior art keywords
- groove
- expansion
- bolt
- inner expansion
- stay wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses an inner expansion chuck for an automobile water pump, relating to the technical field of tool fixtures; the bolt is provided with a locking mechanism for preventing the bolt from loosening, a plurality of sliding grooves are formed in the bottom of the inner expansion groove, a guide rod is fixed on the expansion block, and one end of the guide rod, which is far away from the expansion block, is inserted into the sliding grooves and is in sliding connection with the sliding grooves; the bolt is in threaded connection with the mandrel. The durability is good.
Description
Technical Field
The utility model belongs to the technical field of frock clamp, in particular to automobile water pump is with internal expanding chuck.
Background
When the parts of the automobile water pump are processed on the machine tool, the parts need to be fixed on the machine tool by adopting the internal expansion chuck.
When the existing internal expansion chuck is used, the internal expansion valve is easy to wear, so that the service life of the internal expansion chuck is low.
Disclosure of Invention
The utility model aims at overcoming the shortcoming that prior art is not durable, provide an automobile water pump is with interior chuck that rises, the durability is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an inner expansion chuck for an automobile water pump comprises a mandrel and a plurality of inner expansion petals, wherein the mandrel is fixed on a machine tool, the inner expansion petals are positioned at one end of the mandrel and are arranged in an annular array by taking the shaft of the mandrel as a center, the inner expansion petals enclose an inner expansion groove, an expansion block is connected in the inner expansion groove in a sliding manner, one end, away from the bottom of the inner expansion groove, of the expansion block is provided with a guide surface in a circular truncated cone shape for expanding the notch of the inner expansion groove and a bolt for driving the expansion block to move towards the bottom of the inner expansion groove so as to expand the notch of the inner expansion groove, the bolt is provided with a locking mechanism for preventing the bolt from loosening, the bottom of the inner expansion groove is provided with a plurality of sliding grooves, a guide rod is fixed on the expansion block, and one end, away from the expansion block, of the guide rod is inserted into the sliding grooves and is connected with the sliding grooves in a sliding manner; the bolt is in threaded connection with the mandrel.
Set up guide bar and spout, when rotating the bolt, the piece that rises can not rotate, reduces the piece that rises and the friction between the lamella that rises to reduce the loss of the lamella that rises in, in addition, set up locking mechanism, increase stability.
The expansion block is provided with an embedded groove for embedding the bolt head of the bolt; the anti-loosening mechanism comprises two slots positioned on the inner wall of the embedded slot, two second sliding slots respectively corresponding to the slots, an inserting piece connected in the second sliding slots in a sliding manner, a spring positioned in the second sliding slots and used for applying force towards the direction of the slots to the inserting piece, and a pull wire connected with the two inserting pieces; the wrench comprises a main body, a stay wire column fixedly connected to the end of the main body and used for being inserted into the stay wire groove so as to embed the middle of the stay wire into the stay wire groove, and a limiting groove located at one end, far away from the main body, of the stay wire column and used for preventing the stay wire and the stay wire column from being disengaged.
The utility model has the advantages that: the utility model provides an automobile water pump is with interior chuck that rises, the durability is good. Set up guide bar and spout, when rotating the bolt, the piece that rises can not rotate, reduces the piece that rises and the friction between the lamella that rises to reduce the loss of the lamella that rises in, in addition, set up locking mechanism, increase stability.
Drawings
Fig. 1 is a schematic view of the utility model after the anti-loosening mechanism is hidden;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of the tab and slot after disengagement.
In the figure: the core shaft comprises a core shaft 1, an inner expansion valve 2, an inner expansion groove 3, an expansion block 4, a guide surface 5, a sliding groove 6, a guide rod 7, a bolt 8, a wrench 9, an inner hexagonal groove 10, a wire drawing groove 11, an embedded groove 12, a slot 13, a second sliding groove 14, an inserting piece 15, a spring 16, a wire drawing 17, a main body 18, a wire drawing column 19 and a limiting groove 20.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example (b):
referring to fig. 1 to 3, the internal expansion chuck for the water pump of the automobile comprises a mandrel 1 fixed on a machine tool, a plurality of internal expansion petals 2 positioned at one end of the mandrel 1, the internal expansion petals 2 are arranged in an annular array by taking the axis of the mandrel 1 as the center, the internal expansion petals 2 enclose an internal expansion groove 3, an expansion block 4 is connected in the inner expansion groove 3 in a sliding manner, a guide surface 5 which is in a circular truncated cone shape and used for expanding the notch of the inner expansion groove 3 and a bolt 8 used for driving the expansion block 4 to move towards the bottom of the inner expansion groove 3 so as to expand the notch of the inner expansion groove 3 are arranged at one end, away from the bottom of the inner expansion groove 3, of the expansion block 4, the bolt 8 is provided with a locking mechanism for preventing the bolt from loosening, the bottom of the inner expanding groove 3 is provided with a plurality of sliding grooves 6, a guide rod 7 is fixed on the expansion block 4, and one end of the guide rod 7, which is far away from the expansion block 4, is inserted into the sliding groove 6 and is in sliding connection with the sliding groove 6;
the bolt 8 is in threaded connection with the spindle 1.
An inner hexagonal groove 10 for inserting a wrench 9 is formed in the bolt head of the bolt 8, a pull line groove 11 is formed in the bottom of the inner hexagonal groove 10, and an embedded groove 12 for embedding the bolt head of the bolt 8 is formed in the expansion block 4;
the anti-loosening mechanism comprises two slots 13 positioned on the inner wall of the embedded slot 12, two second sliding slots 14 corresponding to the slots 13 respectively, inserting pieces 15 connected in the second sliding slots 14 in a sliding manner, springs 16 positioned in the second sliding slots 14 and used for applying force to the inserting pieces 15 towards the direction of the slots 13, and pull wires 17 connected with the two inserting pieces 15;
the wrench 9 comprises a main body 18, a pull string 19 fixedly connected to the end of the main body 18 and used for being inserted into the pull line groove 11 so as to embed the middle part of the pull string 17 into the pull line groove 11, and a limiting groove 20 located at one end of the pull string 19 far away from the main body 18 and used for preventing the pull string 17 and the pull string 19 from being disengaged.
Principles of embodiments;
the wrench 9 is inserted into the inner hexagonal groove 10, the stay wire column 19 is inserted into the stay wire groove 11, the middle of the stay wire 17 is embedded into the limiting groove 20, the two insertion pieces 15 are close to each other under the pulling of the stay wire 17, the insertion pieces 15 are separated from the insertion grooves 13, see fig. 3, the bolt 8 is rotated, the expansion block 4 props the inner expansion flap 2 open, so that the part can be fixed, at the moment, the insertion grooves 13 are aligned with the insertion pieces 15, the wrench 9 is pulled out, the insertion pieces 15 are inserted into the insertion grooves 13 under the action of the springs 16, and the bolt 8 is not easy to loosen under the action of the insertion pieces 15.
Claims (2)
1. An inner expansion chuck for an automobile water pump is characterized by comprising a mandrel and a plurality of inner expansion petals, wherein the mandrel is fixed on a machine tool, the inner expansion petals are positioned at one end of the mandrel and are arranged in an annular array by taking the shaft of the mandrel as a center, the inner expansion petals enclose an inner expansion groove, an expansion block is connected in the inner expansion groove in a sliding manner, one end, away from the bottom of the inner expansion groove, of the expansion block is provided with a guide surface in a circular truncated cone shape for expanding the notch of the inner expansion groove, and a bolt for driving the expansion block to move towards the bottom of the inner expansion groove so as to expand the notch of the inner expansion groove, the bolt is provided with a locking mechanism for preventing the bolt from loosening, the bottom of the inner expansion groove is provided with a plurality of sliding grooves, a guide rod is fixed on the expansion block, and one end, away from the expansion block, of the guide rod is inserted into the sliding grooves and is connected with the sliding grooves in a sliding manner;
the bolt is in threaded connection with the mandrel.
2. The internal expanding chuck for the water pump of the automobile as claimed in claim 1, wherein the bolt head of the bolt is provided with an inner hexagonal groove for inserting a wrench, the bottom of the inner hexagonal groove is provided with a pull line groove, and the expanding block is provided with an embedded groove for embedding the bolt head of the bolt;
the anti-loosening mechanism comprises two slots positioned on the inner wall of the embedded slot, two second sliding slots respectively corresponding to the slots, an inserting piece connected in the second sliding slots in a sliding manner, a spring positioned in the second sliding slots and used for applying force towards the direction of the slots to the inserting piece, and a pull wire connected with the two inserting pieces;
the wrench comprises a main body, a stay wire column fixedly connected to the end of the main body and used for being inserted into the stay wire groove so as to embed the middle of the stay wire into the stay wire groove, and a limiting groove located at one end, far away from the main body, of the stay wire column and used for preventing the stay wire and the stay wire column from being disengaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610620.4U CN213764049U (en) | 2020-08-05 | 2020-08-05 | Internal expansion chuck for automobile water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610620.4U CN213764049U (en) | 2020-08-05 | 2020-08-05 | Internal expansion chuck for automobile water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213764049U true CN213764049U (en) | 2021-07-23 |
Family
ID=76902141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021610620.4U Active CN213764049U (en) | 2020-08-05 | 2020-08-05 | Internal expansion chuck for automobile water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213764049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932435A (en) * | 2022-07-04 | 2022-08-23 | 威海成亚机械加工有限公司 | Internal expansion chuck for walking machine |
-
2020
- 2020-08-05 CN CN202021610620.4U patent/CN213764049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932435A (en) * | 2022-07-04 | 2022-08-23 | 威海成亚机械加工有限公司 | Internal expansion chuck for walking machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213764049U (en) | Internal expansion chuck for automobile water pump | |
| CN107706807B (en) | A kind of clamping device clamping electrical body | |
| CN111206896B (en) | Anchoring tool for mechanical hydraulic double-acting slope guiding device | |
| JP2010511134A (en) | Seal plug for blind installation | |
| CN201261178Y (en) | Bush drawing device | |
| CN201778712U (en) | Special fishing tool of slip-type underground throttleer | |
| US4313497A (en) | Pressure control valve | |
| CN207170652U (en) | The punch structure of diel | |
| CN217501722U (en) | Large-deformation constant-resistance yielding anchor rod | |
| CN213351092U (en) | Friction cone type gear grinding clamp | |
| CN210370533U (en) | Combined continuous oil pipe connector | |
| CN211249827U (en) | Combined novel wrench | |
| CN204729179U (en) | A kind of diesel engine fuel shut-off solenoid | |
| CN207170651U (en) | If the diel of multiple punch | |
| CN219932109U (en) | Core drill with combined anti-drop core structure | |
| CN220469870U (en) | Switch sliding sleeve device based on fluid control | |
| CN217813404U (en) | Steel wire operation tool for forcibly opening valve plate of underground safety valve | |
| CN201367859Y (en) | Anti-run device of thick oil horizontal well double-nut anti-run sucker rod | |
| CN218050687U (en) | Hobbing clamp | |
| CN218265815U (en) | Spline type quick-connection torque sucker rod | |
| CN214744139U (en) | Back-buckling type multistage sealing combined anti-theft blanking plug | |
| CN217107746U (en) | Back-expanded-base anchor bolt with shock insulation function | |
| CN2835522Y (en) | Pressure regulating valve for deviation control | |
| CN209687449U (en) | A kind of underground fishing tool that can be operated repeatedly | |
| CN212296260U (en) | Underground anti-reverse device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |