CN210498006U - Spring lock pin assembly quality - Google Patents
Spring lock pin assembly quality Download PDFInfo
- Publication number
- CN210498006U CN210498006U CN201920598234.9U CN201920598234U CN210498006U CN 210498006 U CN210498006 U CN 210498006U CN 201920598234 U CN201920598234 U CN 201920598234U CN 210498006 U CN210498006 U CN 210498006U
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- sleeve
- nail
- lock pin
- pressing sleeve
- assembly
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Abstract
A spring lock pin assembly assembling device belongs to the technical field of assembling tools. The spring lock pin assembly assembling device comprises a pressing sleeve, a threaded sleeve, a pressing sleeve, a fixed seat and a fastening pin; the fixed seat is provided with a stepped hole which is axially communicated, a threaded sleeve is assembled at the large-diameter end of the stepped hole, and a fastening nail is assembled at the small-diameter end of the stepped hole; the fastening pin is used for limiting the axial position of the locking pin in the spring locking pin assembly; the thread insert is provided with a central through hole for accommodating the profiling sleeve; the compression sleeve is of a split structure and consists of two cylinders with semicircular cross sections, a locking nail accommodating cavity is arranged in each cylinder, and compression mold cavities are arranged at two ends of each locking nail accommodating cavity; the pressing sleeve is sleeved on the pressing sleeve, and pressure is applied to the pressing sleeve through the pressing sleeve. Adopt the utility model discloses carry out spring lock nail subassembly assembly operation, reduced lock nail subassembly manufacturing cost, improved the assembly efficiency of spring lock nail subassembly.
Description
Technical Field
The utility model relates to a spring lock nail subassembly assembly quality belongs to assembly tool technical field.
Background
In order to facilitate the inspection of the working conditions of the connecting elements inside the aircraft body, a number of monitoring windows are made in the aircraft body and in the skin, and cover plates are fitted to these monitoring windows, said cover plates being generally fastened to the body windows by means of snap-lock pin assemblies which are easy to disassemble and assemble.
As shown in the attached figure 1, the spring lock pin assembly 1 is composed of a lock pin 1-1, a spring 1-2 and a lining disc 1-3, wherein the spring 1-2 is sleeved outside the lock pin 1-1, the lock pin 1-1 is inserted into a lock pin hole of the lining disc 1-3, an arc flanging structure with the radius of R is arranged at one end of the lock pin hole, and the spring 1-2 is coated and limited through the arc flanging structure. The assembly process of the spring lock pin assembly 1 is as follows: firstly, the lock pin 1-1, the spring 1-2 and the lining disc 1-3 are sleeved, then the inner side end of the lock pin hole of the lining disc 1-3 is rolled to form an arc flanging structure, in the prior art, the rolling operation of the arc flanging structure is usually realized by adopting a lathe and a special tool assembly combination mode, so that a special tool and lathe equipment need to be equipped, the production cost is increased, and the assembly efficiency of the spring lock pin assembly is reduced due to complicated operation steps.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, convenient operation's spring lock nail subassembly assembly quality aims at reaching the purpose that reduces lock nail subassembly manufacturing cost, improves spring lock nail subassembly assembly efficiency through this spring lock nail subassembly assembly quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a spring lock pin assembly assembling device comprises a pressing sleeve, a threaded sleeve, a pressing sleeve, a fixed seat and a fastening pin; the fixed seat is provided with a stepped hole which is axially communicated, a threaded sleeve is assembled at the large-diameter end of the stepped hole, and a fastening nail is assembled at the small-diameter end of the stepped hole; the fastening pin is used for limiting the axial position of the locking pin in the spring locking pin assembly; the thread insert is provided with a central through hole for accommodating the profiling sleeve; the compression sleeve is of a split structure and consists of two cylinders with semicircular cross sections, a locking nail accommodating cavity is arranged in each cylinder, and compression mold cavities are arranged at two ends of each locking nail accommodating cavity; the pressing sleeve is sleeved on the pressing sleeve, and pressure is applied to the pressing sleeve through the pressing sleeve.
According to the spring lock pin assembly assembling device, one end of the lock pin accommodating cavity in the profiling sleeve is provided with the arc-surface die cavity, and the other end of the lock pin accommodating cavity is provided with the wedge-surface die cavity.
Above-mentioned spring lock pin subassembly assembly quality, the curved surface radius R of lock pin holding chamber one end arc surface die cavity =2 mm.
According to the spring lock pin assembly assembling device, the center angle theta =120 degrees of the wedge-shaped surface die cavity at the other end of the lock pin accommodating cavity.
The utility model relates to a spring lock nail subassembly assembly quality, it is fixed a position through the fixing base to lining dish in the spring lock nail subassembly, and the axial position of lock nail in the spring lock nail subassembly is injectd through the binding nail, compresses tightly the lining dish through the swivel nut and for die mould cover axial motion provides the guide effect, exerts pressure to the die mould cover through the pressure cover, accomplishes lining dish lock nail hole circular arc flanging structure's shaping through the die mould cover. The utility model discloses hold the chamber both ends at the die mould cover and set up arc surface die cavity and wedge surface die cavity respectively, can make lining dish lock nail hole to the inboard hem through the wedge surface die cavity at first, then adjust die mould cover assembly direction, the shaping of lining dish lock nail hole circular arc turn-ups structure is accomplished to the rethread arc surface die cavity, and above-mentioned two steps of shaping methods have guaranteed circular arc turn-ups structure's ride comfort, have reduced the stress concentration phenomenon of die mould in-process. Therefore, adopt the utility model discloses carry out spring lock nail subassembly assembly operation, reduced lock nail subassembly manufacturing cost, improved the assembly efficiency of spring lock nail subassembly.
Drawings
FIG. 1 is a schematic view of a spring latch assembly;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a press sleeve structure;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;
fig. 5-8 are schematic views of the spring latch assembly process.
The list of labels in the figure is:
1. 1-1 parts of spring lock pin assembly, 1-2 parts of lock pin, 1-3 parts of spring and a lining disc;
2. the spring lock pin assembly assembling device comprises 2-1 parts of a press sleeve, 2-2 parts of a screw sleeve, 2-3 parts of a profiling sleeve, 2-3-1 parts of a wedge-shaped surface die cavity, 2-3-2 parts of a lock pin accommodating cavity, 2-3-3 parts of an arc surface die cavity, 2-4 parts of a fastening pin, 2-5 parts of a fixing seat.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2, 3 and 4, the utility model relates to a spring lock pin assembly assembling device, which comprises a pressing sleeve 2-1, a screw sleeve 2-2, a pressing sleeve 2-3, a fixed seat 2-5 and a fastening pin 2-4; the fixed seat 2-5 is provided with a stepped hole which is axially communicated, a threaded sleeve 2-2 is assembled at the large-diameter end of the stepped hole, and a fastening nail 2-4 is assembled at the small-diameter end of the stepped hole; the fastening nails 2-4 are used for limiting the axial position of the locking nail 1-1 in the spring locking nail assembly 1; the screw sleeve 2-2 is provided with a central through hole for accommodating the compression sleeve 2-2; the compression sleeve 2-3 is of a split structure and consists of two cylinders with semicircular cross sections, a lock pin accommodating cavity 2-3-2 is arranged in each cylinder, and compression mold cavities are arranged at two ends of each lock pin accommodating cavity 2-3-2; the pressing sleeve 2-1 is sleeved on the pressing sleeve 2-3, and pressure is applied to the pressing sleeve 2-3 through the pressing sleeve 2-1.
Referring to fig. 3, in the spring lock pin assembly assembling device of the present invention, an arc surface mold cavity 2-3-3 is provided at one end of a lock pin accommodating cavity 2-3-2 in the press-molding sleeve 2-3, and a wedge surface mold cavity 2-3-1 is provided at the other end; the curved surface radius R of the arc surface die cavity 2-3-3 is =2 mm; the central angle theta of the wedge-face cavity 2-3-1 is =120 degrees.
Referring to fig. 5 to 8, the spring lock pin assembly assembling device of the present invention can position the lining disc 1-3 of the spring lock pin assembly 1 through the fixing base 2-4, limit the axial position of the lock pin 1-1 of the spring lock pin assembly 1 through the fastening pin 2-4, press the lining disc 1-3 through the screw sleeve 2-2 and provide a guiding function for the axial movement of the press sleeve 2-3, apply pressure to the press sleeve through the press sleeve 2-1, and complete the forming of the arc flanging structure of the lock pin hole of the lining disc through the press sleeve 2-3. Adopt the utility model discloses when implementing the assembly of spring lock nail subassembly, go on according to following operating procedure:
firstly, initially assembling a spring lock pin assembly, sleeving a spring 1-2 outside a lock pin 1-1, and inserting the lock pin 1-1 into a lock pin hole of a lining disc 1-3 (as shown in figure 5, the axial dimension of the lining disc lock pin hole is H1=9.5 mm);
assembling a compression sleeve and a workpiece, namely assembling a spring 1-2, a lock pin 1-1, a lining disc 1-3 and a split compression sleeve 2-3 (as shown in figure 6, a 120-degree wedge-shaped surface die cavity 2-3-1 is positioned at one end of a lock pin hole of the lining disc);
thirdly, folding the lining disc lock nail hole inwards, assembling the pressing sleeve 2-11, the screw sleeve 2-2, the profiling sleeve 2-3, the preliminarily assembled spring lock nail assembly 1, the fastening nail 2-4 and the fixed seat 2-5 according to the structure shown in the figure 7 (note that the truncated position of the upper end of the spring 1-2 in the spring lock nail assembly 1 does not enter a gap between the lock nail 1-1 and the lining disc 1-3), and then applying pressure to the pressing sleeve 2-1 by using a hammer or a press machine to enable the lining disc lock nail hole to be folded inwards;
turning the pressing sleeve, namely decomposing the pressing sleeve 2-11, the screw sleeve 2-2, the pressing sleeve 2-3 and the fixed seat 2-5, taking out the workpiece, turning the pressing sleeve 2-3, and assembling the turned pressing sleeve and the workpiece, wherein the arc surface die cavity 2-3-3 is positioned at one end of the lining disc lock pin hole;
fifthly, forming the circular arc flanging structure of the lining plate lock pin hole, assembling a pressing sleeve 2-11, a screw sleeve 2-2, a profiling sleeve 2-3, a spring lock pin assembly 1, a fastening pin 2-4 and a fixed seat 2-5 according to the structure shown in fig. 8, and then applying pressure to the pressing sleeve 2-1 by using a hammer or a press machine to form the circular arc flanging structure of the lining plate lock pin hole (at the moment, the axial dimension H =7.5mm of the lining plate lock pin hole, and the radius R =2mm of the circular arc flanging structure, so that the size requirement of the spring lock pin assembly is met).
Claims (4)
1. A spring lock nail assembly device is characterized in that the spring lock nail assembly device (2) comprises a pressing sleeve (2-1), a threaded sleeve (2-2), a pressing sleeve (2-3), a fixed seat (2-5) and a fastening nail (2-4); the fixed seat (2-5) is provided with an axially through stepped hole, the large-diameter end of the stepped hole is provided with the threaded sleeve (2-2), and the small-diameter end of the stepped hole is provided with the fastening nail (2-4); the fastening nail (2-4) is used for limiting the axial position of the locking nail (1-1) in the spring locking nail assembly (1); the screw sleeve (2-2) is provided with a central through hole for accommodating the compression sleeve (2-3); the compression sleeve (2-3) is of a split structure and consists of two cylinders with semicircular cross sections, a lock pin accommodating cavity (2-3-2) is arranged in each cylinder, and compression mold cavities are arranged at two ends of each lock pin accommodating cavity (2-3-2); the pressing sleeve (2-1) is sleeved on the pressing sleeve (2-3), and pressure is applied to the pressing sleeve (2-3) through the pressing sleeve (2-1).
2. A spring shackle assembly mounting assembly as claimed in claim 1, c h a r a c t e r i z e d in that the shackle receiving cavity (2-3-2) in the profiling sleeve (2-3) is provided with a circular arc cavity (2-3-3) at one end and a wedge cavity (2-3-1) at the other end.
3. A snap lock pin assembly mounting device according to claim 2, wherein the radius R of the circular arc surface of the pin receiving cavity (2-3-2) is 2 mm.
4. A snap-lock pin assembly mounting device according to claim 3, characterized in that the wedge-faced mould cavity (2-3-1) at the other end of the pin receiving cavity has a central angle θ of 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598234.9U CN210498006U (en) | 2019-04-28 | 2019-04-28 | Spring lock pin assembly quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598234.9U CN210498006U (en) | 2019-04-28 | 2019-04-28 | Spring lock pin assembly quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210498006U true CN210498006U (en) | 2020-05-12 |
Family
ID=70542235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920598234.9U Active CN210498006U (en) | 2019-04-28 | 2019-04-28 | Spring lock pin assembly quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210498006U (en) |
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2019
- 2019-04-28 CN CN201920598234.9U patent/CN210498006U/en active Active
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