CN208341546U - Gas generator igniting component double action pre-tightens closing device - Google Patents
Gas generator igniting component double action pre-tightens closing device Download PDFInfo
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- CN208341546U CN208341546U CN201820940690.2U CN201820940690U CN208341546U CN 208341546 U CN208341546 U CN 208341546U CN 201820940690 U CN201820940690 U CN 201820940690U CN 208341546 U CN208341546 U CN 208341546U
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- lower casing
- pressure
- gas generator
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Abstract
The utility model discloses a kind of igniting component double actions of gas generator to pre-tighten closing device, including the positioning seat and pedestal for being respectively used to be fixed on oil pressure compressing head and workbench, closing in pressure head is connected with below positioning seat, it is successively arranged with pre-compressed spring and pre- pressure pipe outside closing in pressure head, is used for elastic compression lower casing component；Guide pin is radially equipped on closing in pressure head, guide pin both ends are pierced by by the long hole being symmetrically arranged in precompressed pipe outer wall；Interior hold-down mechanism is equipped in the mounting hole at closing in pressure head lower end center, for elastic compression igniting component；The mounting hole lower port is conical opening, and the tube socket for lower casing component closes up；The pedestal is equipped with ladder-like centre bore and the positioning inserted with central tube, for lower casing component and igniting component.Beneficial effect is: it is small in size, compact-sized, it can guarantee the assembly precision of igniting component and lower casing component, high yield rate.It closes up uniformly secured；It is simple to operate, high production efficiency.
Description
Technical field
The utility model belongs to technical field of vehicle safety, in particular to a kind of gas generator igniting component double action pre-tightens
Closing device.
Background technique
Gas generator igniting component, which needs to be pressed and close up, to be fixed in generator lower casing component, light a fire component and lower casing
The rigging position of component has specific requirement, for accurately docking when guaranteeing air bag assembling.Existing closing device is closing up at present
Shell component and igniting component do not have a pre-pressing, and lower casing component is easy to produce movement when closing in, make to light a fire component and lower casing component
The assembly precisions such as concentricity are lower；And igniting component side wall has rubber parts sometimes and will cause ignitron position and moves up, and receives
It mouthful position does not scrap, low qualified not pair.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of small in size, compact-sized, it can guarantee that igniting is closed
The gas generator igniting component double action of the assembly precision of part and lower casing component, high yield rate pre-tightens closing device.
The technical solution of the utility model is as follows:
A kind of igniting component double action of gas generator pre-tightens closing device, including be respectively used to be fixed on oil pressure compressing head and
Positioning seat and pedestal on workbench, are characterized in that: closing in pressure head are connected with below positioning seat, outside closing in pressure head
It is successively arranged with pre-compressed spring and pre- pressure pipe, is used for elastic compression lower casing component；Guide pin is radially equipped on closing in pressure head,
Guide pin both ends are pierced by by the long hole being symmetrically arranged in precompressed pipe outer wall, the guiding and limit for pre- pressure pipe；In closing in pressure head
Interior hold-down mechanism is equipped in the mounting hole at lower end center, for elastic compression igniting component；The mounting hole lower port is taper
Mouthful, the tube socket for lower casing component closes up；The pedestal is equipped with ladder-like centre bore and inserted with central tube, closes for lower casing
The positioning of part and igniting component.
As further preferred, connecting shaft is removably connected on positioning seat, connecting shaft outer rim is equipped with external screw thread, uses
In connection oil pressure compressing head.
As further preferred, corresponded on closing in pressure head and be equipped with the ladder that middle part has annular convex platform at the guide pin
Shape jack, the guide pin are connected through a screw thread by screw rod and nut.
As further preferred, the interior hold-down mechanism includes by leading in clearance fit insertion in the mounting hole
Pipe is equipped with interior pressure spring and interior pressure pipe in the stepped throughhole of inner catheter, and the interior pressure pipe upper end insertion inner catheter is interior and connects
It is connected to lower retaining ring, upper end is equipped with overhead gage in inner catheter, and the interior pressure spring is located between overhead gage and lower retaining ring, the lower block
Circle is stuck at the through-hole ladder of inner catheter under the action of interior pressure spring.
As further preferred, the centre bore on the pedestal is from top to bottom set there are three ladder card edge, and it is fixed to be respectively used to
Lower casing, tube socket and the central tube of position lower casing component.
As further preferred, the axis angle of the conical opening and closing in pressure head is 45 degree.
The beneficial effects of the utility model are: it is small in size, compact-sized, it can be realized by the cooperation of pre- pressure pipe and pedestal
Lower casing component axially and radially locates, by the cooperation of interior hold-down mechanism and central tube can be realized igniting component axial direction and
Radial positioning can be realized by closing in pressure head and complete to receive under the premise of guaranteeing the assembly precision of igniting component and lower casing component
Mouthful, assembly precision and high yield rate close up uniformly secured；It is simple to operate, guiding, precompressed, primary completion of closing up, production effect
Rate is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: connecting shaft 1, positioning seat 2, pre-compressed spring 3, closing in pressure head 4, pre- pressure pipe 5, central tube 6, pedestal 7, ladder card
Along 701, bolt 8, guide pin 9, overhead gage 10, inner catheter 11, interior pressure spring 12, lower retaining ring 13, interior pressure pipe 14, workbench 15, pipe
Seat 16, lower casing component 17, component 18 of lighting a fire, oil pressure compressing head 19.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model relates to a kind of gas generator igniting component double action pre-tighten closing device, including
It is respectively used to the positioning seat 2 being fixed on oil pressure compressing head 19 and workbench 15 and pedestal 7, passes through circumference on positioning seat 2
Uniformly distributed bolt is removably connected with stair-stepping connecting shaft 1, is equipped with external screw thread, 1 upper end of connecting shaft in 1 middle part outer rim of connecting shaft
For optical axis, for being inserted into and being connected through a screw thread oil pressure compressing head 19.
It is connected with closing in pressure head 4 below by the bolt 8 axially through positioning seat 2 in positioning seat 2, in closing in pressure head 4
Outside is successively arranged with pre-compressed spring 3 and pre- pressure pipe 5, is used for elastic compression lower casing component 17.In the middle part of closing in pressure head 4 radially
Equipped with guide pin 9,9 both ends of guide pin are pierced by by the long hole being symmetrically arranged on pre- 5 outer wall of pressure pipe, for pre- pressure pipe 5 guiding and
Limit.It is corresponded on closing in pressure head 4 and is equipped with the ladder-like jack that middle part has annular convex platform at the guide pin 9, the guiding
Pin 9 is connected through a screw thread by screw rod and nut two parts.
Interior hold-down mechanism is equipped in the mounting hole at 4 lower end center of closing in pressure head, for elastic compression igniting component 18.Institute
It states mounting hole lower port to be conical opening and be 45 degree with axis angle, the tube socket 16 for lower casing component 17 closes up.
The interior hold-down mechanism includes the inner catheter 11 by clearance fit insertion in the mounting hole, in inner catheter 11
Stepped throughhole in interior pressure spring 12 and interior pressure pipe 14 be installed, interior 14 outer rim of pressure pipe is ladder-like, interior 14 upper end of pressure pipe
It is inserted into inner catheter 11 by clearance fit and lower retaining ring 13 has been bolted, upper end passes through internal jump ring in inner catheter 11
Inserted with overhead gage 10, the interior pressure spring 12 is located between overhead gage 10 and lower retaining ring 13 for positioning, and the lower retaining ring 13 is in internal pressure
It is stuck under the action of spring 12 in the through-hole of inner catheter 11 at ladder.
The pedestal 7 is equipped with ladder-like centre bore and inserted with central tube 6, for lower casing component 17 and igniting component 18
Positioning.Centre bore on the pedestal 7 from top to bottom sets that there are three ladder cards along 701, is respectively used to positioning lower casing component 17
Lower casing, tube socket 16 and the central tube 6.
When work, connecting shaft 1 is threadedly secured on oil pressure compressing head, pedestal is bolted on hydraulic press
On workbench 15.Generator lower casing component 17 is placed in first ladder card edge of centre hole of base upper end, lower casing component
Tube socket 16 be inserted into the ladder of centre bore second card in, gas generator igniting component 18 is manually placed into the pipe of lower casing component
In seat 16 and cover in 6 upper end of central tube.Start hydraulic press and control pressure head downlink, drives closing in pressure head 4, pre- pressure pipe 5 and interior compression
Mechanism DL synchronization is pressed in the shell inner face of lower casing component after pre- 5 downlink of pressure pipe, while interior pressure pipe 14 is pressed in igniting component 18
Upper end guarantees the relative position of lower casing component and component 18 of lighting a fire.Pressure head continues traveling downwardly, and pre-compressed spring 3 and interior pressure spring 12 are shunk
It absorbs and pushes energy, guarantee that lower casing component is not destroyed with igniting component, closing in pressure head 4 continues the pipe of lower casing component after pushing
The compression of seat upper end is closed up, and after component that extrusion 45 degree of conical surfaces in tube socket upper end will light a fire clamps, controls the drive of oil pressure compressing head
4 uplink of closing in pressure head can remove the lower casing component assembled and igniting component after discharging workpiece.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of gas generator igniting component double action pre-tightens closing device, including is respectively used to be fixed on oil pressure compressing head and work
Make the positioning seat and pedestal on platform, it is characterized in that: being connected with closing in pressure head below positioning seat, is successively covered outside closing in pressure head
Equipped with pre-compressed spring and pre- pressure pipe, it to be used for elastic compression lower casing component；Guide pin, guide pin are radially equipped on closing in pressure head
Both ends are pierced by by the long hole being symmetrically arranged in precompressed pipe outer wall, the guiding and limit for pre- pressure pipe；In closing in pressure head lower end
Interior hold-down mechanism is equipped in the mounting hole of the heart, for elastic compression igniting component；The mounting hole lower port is conical opening, is used for
The tube socket of lower casing component closes up；The pedestal is equipped with ladder-like centre bore and inserted with central tube, is used for lower casing component and point
The positioning of fiery component.
2. gas generator igniting component double action according to claim 1 pre-tightens closing device, it is characterized in that: in positioning seat
It is removably connected with connecting shaft above, connecting shaft outer rim is equipped with external screw thread, for connecting oil pressure compressing head.
3. gas generator igniting component double action according to claim 1 pre-tightens closing device, it is characterized in that: pressing closing up
It is corresponded on head and is equipped with the ladder-like jack that middle part has annular convex platform at the guide pin, the guide pin is by screw rod and nut
It is connected through a screw thread.
4. gas generator igniting component double action according to claim 1 pre-tightens closing device, it is characterized in that: the internal pressure
Tight mechanism includes the inner catheter by clearance fit insertion in the mounting hole, is equipped in the stepped throughhole of inner catheter
Interior pressure spring and interior pressure pipe, the interior pressure pipe upper end insertion inner catheter is interior and is connected with lower retaining ring, and upper end is equipped with upper in inner catheter
Baffle, the interior pressure spring are located between overhead gage and lower retaining ring, and the lower retaining ring is stuck in inner catheter under the action of interior pressure spring
At through-hole ladder.
5. gas generator igniting component double action according to claim 1 pre-tightens closing device, it is characterized in that: the pedestal
On centre bore from top to bottom set lower casing, tube socket and the center that positioning lower casing component is respectively used to there are three ladder card edge
Pipe.
6. gas generator igniting component double action according to claim 1 pre-tightens closing device, it is characterized in that: the taper
The axis angle of mouth and closing in pressure head is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940690.2U CN208341546U (en) | 2018-06-19 | 2018-06-19 | Gas generator igniting component double action pre-tightens closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940690.2U CN208341546U (en) | 2018-06-19 | 2018-06-19 | Gas generator igniting component double action pre-tightens closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341546U true CN208341546U (en) | 2019-01-08 |
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ID=64883931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820940690.2U Active CN208341546U (en) | 2018-06-19 | 2018-06-19 | Gas generator igniting component double action pre-tightens closing device |
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|---|---|
| CN (1) | CN208341546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659811A (en) * | 2020-07-13 | 2020-09-15 | 无锡威孚高科技集团股份有限公司 | Device for realizing uniform sealing of metal thin-wall part |
-
2018
- 2018-06-19 CN CN201820940690.2U patent/CN208341546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659811A (en) * | 2020-07-13 | 2020-09-15 | 无锡威孚高科技集团股份有限公司 | Device for realizing uniform sealing of metal thin-wall part |
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