CN212552422U - Zero point ball lock device - Google Patents
Zero point ball lock device Download PDFInfo
- Publication number
- CN212552422U CN212552422U CN202020355816.7U CN202020355816U CN212552422U CN 212552422 U CN212552422 U CN 212552422U CN 202020355816 U CN202020355816 U CN 202020355816U CN 212552422 U CN212552422 U CN 212552422U
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- piston rod
- positioning pin
- upper plate
- piston
- inclined plane
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Abstract
The utility model discloses a null point ball lock device. The technical scheme of the utility model is that: including upper plate subassembly and hypoplastron subassembly, the upper plate subassembly includes the upper plate, insert the locating pin of establishing in the upper plate and insert the piston rod of establishing in the locating pin, the inner wall threaded connection of piston rod and locating pin, the hypoplastron subassembly includes the hypoplastron, be provided with on the hypoplastron and supply locating pin and piston rod male cavity, the lower part of locating pin inner wall is provided with little steel ball, the bottom of piston rod is provided with the big steel ball that can oppress little steel ball, the outer wall of locating pin is provided with first inclined plane, be provided with the intermediate piston who sets up around first inclined plane in the cavity, be provided with the second inclined plane that sets up with the laminating of first inclined plane on the intermediate piston, the below of intermediate piston is provided with the dish spring, be provided with the fixed. The utility model provides a scheme can realize fastening connection and convenient operation easily production.
Description
Technical Field
The utility model relates to a machine-building equipment technical field, in particular to zero point ball lock device.
Background
The ball lock is an ideal part for connecting all parts on welding equipment, and is suitable for connecting parts with different materials and thicknesses. There is room for improvement in the poor connection stability of prior art zero point ball lock devices.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a null ball lock device which can be fastened and easily operated and can be easily produced.
In order to achieve the above purpose, the utility model provides a following technical scheme: a null point ball lock device comprises an upper plate component and a lower plate component, wherein the upper plate component comprises an upper plate, a positioning pin inserted in the upper plate and a piston rod inserted in the positioning pin, the piston rod is in threaded connection with the inner wall of the positioning pin, the lower plate assembly comprises a lower plate, a cavity for the insertion of the positioning pin and the piston rod is arranged on the lower plate, the lower part of the inner wall of the positioning pin is provided with a small steel ball, the bottom of the piston rod is provided with a large steel ball which can press the small steel ball, the outer wall of the positioning pin is provided with a first inclined surface, the chamber is internally provided with an intermediate piston arranged around the first inclined surface, a second inclined plane which is attached to the first inclined plane is arranged on the middle piston, a disc spring is arranged below the middle piston, and a fixed block which is used for bearing the middle piston and the disc spring and can be contacted with the positioning pin is arranged in the inner cavity.
Preferably, a dustproof plug is arranged between the positioning pin and the piston rod.
Preferably, a sealing ring is arranged between the middle piston and the inner wall of the chamber.
The utility model has the following advantages for prior art, the during operation thereof, the rotating piston rod, the piston rod moves along locating pin from the top down, the big steel ball of bottom extrusion of piston rod, big steel ball extrudees little steel ball again, little steel ball makes the outside expansion of locating pin, decide piece and locating pin contact atress, decide the piece and apply for dish spring pressure this moment, dish spring extrusion intermediate piston, make the second inclined plane of intermediate piston closely laminate with the first inclined plane of locating pin, make upper plate subassembly and hypoplastron subassembly realize fastening connection, zero point locking can be realized to the zero clearance in the middle of wherein upper plate and hypoplastron. The scheme can realize the connection of the ball lock which is more fastened, and is convenient to operate and easy to produce.
Drawings
Fig. 1 is a schematic structural view of an upper plate assembly and a lower plate assembly of a null ball lock device according to the present invention when not fastened;
fig. 2 is a schematic structural diagram of the zero point ball lock device when the upper plate assembly and the lower plate assembly are fastened.
In the figure: 1. an upper plate assembly; 2. a lower plate assembly; 3. an upper plate; 4. positioning pins; 5. a piston rod; 6. a lower plate; 7. a chamber; 8. small steel balls; 9. large steel balls; 10. a first inclined surface; 11. an intermediate piston; 12. a second inclined surface; 13. a disc spring; 14. a dust plug; 15. a seal ring; 16. and (6) fixing blocks.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a zero point ball lock device comprises an upper plate assembly 1 and a lower plate assembly 2, wherein the upper plate assembly 1 comprises an upper plate 3, a positioning pin 4 inserted in the upper plate 3 and a piston rod 5 inserted in the positioning pin 4, the piston rod 5 is in threaded connection with the inner wall of the positioning pin 4, the lower plate assembly 2 comprises a lower plate 6, a chamber 7 into which the positioning pin 4 and the piston rod 5 are inserted is arranged on the lower plate 6, a small steel ball 8 is arranged at the lower part of the inner wall of the positioning pin 4, a large steel ball 9 capable of pressing the small steel ball 8 is arranged at the bottom of the piston rod 5, a first inclined surface 10 is arranged on the outer wall of the positioning pin 4, a middle piston 11 arranged around the first inclined surface 10 is arranged in the chamber 7, a second inclined surface 12 arranged to be attached to the first inclined surface 10 is arranged on the middle piston 11, a disc spring 13, a fixed block 16 which is used for bearing the intermediate piston 11 and the disc spring 13 and can be contacted with the positioning pin 4 is arranged in the inner cavity.
The utility model provides a zero point ball locking device, when it is worked, the rotary piston pole 5, the piston pole 5 moves from the top down along locating pin 4, big steel ball 9 is extruded to the bottom of piston pole 5, big steel ball 9 extrudees little steel ball 8 again, little steel ball 8 makes locating pin 4 outwards expand, decide piece 16 and locating pin 4 contact atress, decide piece 16 this moment and apply for dish spring 13 pressure, first inclined plane 10 also can apply pressure for dish spring 13 simultaneously, dish spring 13 extrudees middle piston 11, make the second inclined plane 12 of middle piston 11 closely laminate with the first inclined plane 10 of locating pin 4, fastening connection is realized to upper plate 3 subassembly 1 and lower plate 6 subassembly 2, zero point locking can be realized to the zero clearance in the middle of upper plate 3 and lower plate 6 wherein. The scheme can realize the connection of the ball lock which is more fastened, and is convenient to operate and easy to produce.
Preferably, a dust plug 14 is arranged between the positioning pin 4 and the piston rod 5. This has the advantage that no foreign objects can occur between the piston rod 5 and the positioning pin 4, which could affect the operation of the piston rod 5.
Preferably, a sealing ring 15 is arranged between the intermediate piston 11 and the inner wall of the chamber 7. The advantage of this arrangement is that sealing is ensured and the tightness of the connection is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A null ball lock device characterized in that: the upper plate assembly comprises an upper plate, a positioning pin inserted in the upper plate and a piston rod inserted in the positioning pin, the piston rod is in threaded connection with the inner wall of the positioning pin, the lower plate assembly comprises a lower plate, a cavity for the insertion of the positioning pin and the piston rod is formed in the lower plate, a small steel ball is arranged on the lower portion of the inner wall of the positioning pin, a large steel ball capable of pressing the small steel ball is arranged at the bottom of the piston rod, a first inclined plane is arranged on the outer wall of the positioning pin, a middle piston arranged around the first inclined plane is arranged in the cavity, a second inclined plane attached to the first inclined plane is arranged on the middle piston, a disc spring is arranged below the middle piston, and a fixed block used for bearing the middle piston and the disc spring and capable of contacting with the positioning pin is arranged in the cavity.
2. A null ball lock device according to claim 1, wherein: and a dustproof plug is arranged between the positioning pin and the piston rod.
3. A null ball lock device according to claim 1, wherein: and a sealing ring is arranged between the middle piston and the inner wall of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355816.7U CN212552422U (en) | 2020-03-19 | 2020-03-19 | Zero point ball lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355816.7U CN212552422U (en) | 2020-03-19 | 2020-03-19 | Zero point ball lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212552422U true CN212552422U (en) | 2021-02-19 |
Family
ID=74616376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020355816.7U Active CN212552422U (en) | 2020-03-19 | 2020-03-19 | Zero point ball lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212552422U (en) |
-
2020
- 2020-03-19 CN CN202020355816.7U patent/CN212552422U/en active Active
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