CN209225430U - A kind of spring push-rod mechanism of auto retractable - Google Patents
A kind of spring push-rod mechanism of auto retractable Download PDFInfo
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- CN209225430U CN209225430U CN201821866179.9U CN201821866179U CN209225430U CN 209225430 U CN209225430 U CN 209225430U CN 201821866179 U CN201821866179 U CN 201821866179U CN 209225430 U CN209225430 U CN 209225430U
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- spring
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- push rod
- mounting base
- sleeve
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Abstract
A kind of spring push-rod mechanism of auto retractable, including mounting base, sleeve, return spring, push rod, thrust ring, load transfer device, limiting device, torsional spring, thrust spring, end cap, locking device；One end of sleeve is mounted in mounting base；Return spring is sleeved on push rod；One end of push rod passes through first through hole；Locking device locks mounting base and push rod；Thrust ring is sleeved on push rod, and load transfer device and limiting device are installed in the second through-hole, and load transfer device and limiting device are close to；Torsional spring is mounted on the flange on push rod；Load transfer device is close to torsional spring；Thrust ring installation is close in one end of thrust spring, and the other end is close to end cap installation；End cap and sleeve are connected far from one end of mounting base；The spring push-rod mechanism push rod impetus completion after can self-return, to the opposite direction of pushing direction retract, avoid push rod thrust spring effect under maintain elongation state, to pushed away object subsequent motion formed interference hidden danger.
Description
Technical field
The utility model relates to a kind of spring push-rod mechanisms of auto retractable, belong to separation technology field.
Background technique
Rocket transport is carried lotus and is discharged to high-altitude, between load and rocket after connection cutting, generallys use bullet
Spring push rod is pushed, and load is made to be rapidly separated rocket.Spring release is completed, and push rod is elongated to longest state, and load is pushed
Opposite rocket motion certain distance.Due to spring self-characteristic, push rod will be always maintained at elongation state, may be subsequent to load
Movement forms interference, such as load and push rod end are collided.Push rod retracts after the completion of pushing the work forward so that rocket and load it
Between maintain a certain distance, avoid subsequent motion occur it is interfering with each other.
Utility model content
The purpose of the utility model is to overcome the above-mentioned deficiency of the prior art, the spring for providing a kind of auto retractable is pushed away
Linkage, the spring push-rod mechanism push rod impetus completion after can self-return, to the opposite direction of pushing direction
It retracts, push rod is avoided to maintain elongation state under thrust spring effect, form interference hidden danger to object subsequent motion is pushed away.
The above-mentioned purpose of the utility model is achieved by following technical solution:
A kind of spring push-rod mechanism of auto retractable, including mounting base, sleeve, return spring, push rod, thrust ring, biography
Power device, limiting device, torsional spring, thrust spring, end cap, locking device；
One end of the sleeve is mounted in mounting base；The return spring is sleeved on push rod；The mounting base is equipped with
One end of first through hole, the push rod passes through first through hole；The locking device locks mounting base and push rod；The thrust ring
It is sleeved on push rod, thrust ring is equipped with the second through-hole, and load transfer device and limiting device are installed in the second through-hole, power transmission dress
It sets and is close to limiting device；The push rod is equipped with flange in one end far from mounting base；The torsional spring is mounted on convex on push rod
On edge；The load transfer device is close to torsional spring；Thrust ring installation is close in one end of the thrust spring, and the other end is close to the end cap
Installation；The end cap and sleeve are connected far from one end of mounting base；The return spring, thrust ring, load transfer device, limit dress
It sets, torsional spring, thrust spring are respectively positioned in sleeve；
The inner wall of the sleeve is equipped with groove in one end close to mounting base；When thrust ring slides in sleeve, limit
Device will be caught in the groove of the sleeve, and load transfer device will be disengaged with torsional spring.
The spring push-rod mechanism of above-mentioned auto retractable, the outer surface that the torsional spring is contacted with load transfer device are cambered surface.
The spring push-rod mechanism of above-mentioned auto retractable, the inside radius of the thrust spring are greater than the outer of the return spring
Radius.
The spring push-rod mechanism of above-mentioned auto retractable, the groove of the sleeve are an annular groove.
The spring push-rod mechanism of above-mentioned auto retractable, the mounting base are equipped with third through-hole, and the push rod is equipped with the 4th
Through-hole；The locking device locks mounting base and push rod also cross after the third through-hole and the fourth hole.
The spring push-rod mechanism of above-mentioned auto retractable, one end of the sleeve is by being threadably mounted in mounting base.
The spring push-rod mechanism of above-mentioned auto retractable, the end cap are connected by screw thread and sleeve far from one end of mounting base
It connects.
The spring push-rod mechanism of above-mentioned auto retractable, the locking device are pin.
The spring push-rod mechanism of above-mentioned auto retractable, the load transfer device are power transmission steel ball.
The spring push-rod mechanism of above-mentioned auto retractable, the limiting device are limit steel ball.
The spring push-rod mechanism of above-mentioned auto retractable, it is described before the spring push-rod mechanism work of the auto retractable
Thrust spring is in compressive state；After the spring push-rod mechanism work of the auto retractable, the thrust spring is in stretching, extension
State.
The beneficial effect of the utility model compared with prior art is:
After the completion of spring release, push rod pushing action, push rod can be retracted to the opposite direction of promotion, be retracted in push rod and pushed away
The not no structural member of pushing mechanism in dynamic regional scope, will not interfere by promotion object subsequent action.And existing spring push-rod machine
For structure after spring release is completed, push rod is elongated to longest, push rod can rest on elongation state, be translatable backward if pushed away object and had
Or the rotation of left and right, can collide with push rod, influence subsequent action.
Detailed description of the invention
Fig. 1 is the spring push-rod mechanism diagrammatic cross-section of auto retractable；
Fig. 2 is that the spring push-rod mechanism of auto retractable hides the diagrammatic cross-section of sleeve；
Fig. 3 is the diagrammatic cross-section that the spring push-rod mechanism work of auto retractable is completed.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments:
A kind of spring push-rod mechanism of auto retractable, including mounting base 1, sleeve 2, return spring 3, push rod 4, thrust ring
5, load transfer device 6, limiting device 7, torsional spring 8, thrust spring 9, end cap 10, locking device 11, as depicted in figs. 1 and 2.
One end of the sleeve 2 is by being threadably mounted in mounting base 1；The return spring 3 is sleeved on push rod 4；It is described
Mounting base 1 is equipped with first through hole, and one end of the push rod 4 passes through first through hole；The locking device 11 is by mounting base 1 and pushes away
Bar 4 locks；The mounting base 1 is equipped with third through-hole, and the push rod 4 is equipped with fourth hole；The locking device 11 also cross
Mounting base 1 and push rod 4 are locked after the third through-hole and the fourth hole.
The thrust ring 5 is sleeved on push rod 4, and thrust ring 5 is equipped with the second through-hole, and load transfer device 6 and limiting device 7 are equal
It is mounted in the second through-hole, load transfer device 6 and limiting device 7 are close to；The push rod 4 is equipped with convex in one end far from mounting base 1
Edge；The torsional spring 8 is mounted on the flange on push rod 4；The load transfer device 6 is close to torsional spring 8, and torsional spring 8 is contacted with load transfer device 6
Outer surface be cambered surface；One end of the thrust spring 9 is close to thrust ring 5 and is installed, and the other end is close to the end cap 10 and is installed；Institute
End cap 10 is stated to connect with sleeve 2 far from one end of mounting base 1 by screw thread；The return spring 3, thrust ring 5, load transfer device 6,
Limiting device 7, torsional spring 8, thrust spring 9 are respectively positioned in sleeve 2；
The inner wall of the sleeve 2 is equipped with groove in one end close to mounting base 1, and the groove of sleeve 2 is an annular groove；When pushing away
When power ring 5 slides in sleeve 2, limiting device 7 will be caught in the groove of the sleeve 2, and load transfer device 6 will be detached from torsional spring 8 and connect
Touching.
The inside radius of the thrust spring 9 is greater than the outer radius of the return spring 3.The spring of the auto retractable pushes away
Before linkage work, the thrust spring 9 is in compressive state；After the spring push-rod mechanism work of the auto retractable, institute
It states thrust spring 9 and is in extended state.
The locking device 11 can use pin；The load transfer device 6 can use power transmission steel ball；The limiting device
7 can be using limit steel ball.
Embodiment:
A kind of spring push-rod mechanism of auto retractable, including mounting base 1, sleeve 2, return spring 3, push rod 4, thrust ring
5, load transfer device 6, limiting device 7, torsional spring 8, thrust spring 9, end cap 10, locking device 11.
The assemble sequence of the utility model are as follows:
(1) sleeve 2 is screwed into mounting base 1；
(2) return spring 3 is set on push rod 4；
(3) push rod 4 is inserted into mounting base 1, while thrust ring 5, power transmission steel ball, limit steel ball, torsional spring 8 is installed to push rod
On, it is put into sleeve 2 together, with the fixed push rod 4 of pin 11；
(4) installed thrust spring 9 compresses thrust spring 9 with end cap 10, until end cap 10 is connected through a screw thread and is screwed into sleeve
On 2；
(5) in the case where confirmation is pushed away object 13 and mounted plate 12 is adjacent to simultaneously fixation, which is installed to quilt
On mounting plate 12, pin 11 is taken out；
(6) release is pushed away being fixedly connected between object 13 and mounted plate 12, the spring push-rod machine of the auto retractable
Structure work.
The working principle of the spring push-rod mechanism of auto retractable are as follows: under installation condition, reasoning spring 9 is compressive state,
Return spring 3 is release conditions.Cutting is pushed away being fixedly connected between object 13 and mounted plate 12, and thrust spring 9 discharges, bullet
On thrust ring 5, thrust is transmitted on push rod 4 spring thrust by thrust ring 5 by power transmission steel ball, is pushed push rod 4 to move, is pushed away
The promotion of bar 4 is pushed away object 13.When push rod 4 and thrust ring 5 move simultaneously, compression retracteding position spring 3, until thrust ring 5 moves to set
The fluted place of other side inner wall of cylinder 2, limit steel ball are moved to groove direction, and power transmission steel ball follows limit steel ball to groove direction
It moves, torsional spring 8 accelerates the movement of power transmission steel ball in the motion process.The intermal force of power transmission steel ball fails, and thrust spring 9 can not
Spring force is applied on push rod 4, push rod 4 return, final push rod 4 under the effect of return spring 3 revert to contracting by elongation state
The state of returning realizes push rod and pushes the purpose of object, and retracts after the completion of purpose, avoids interfering object subsequent motion, such as Fig. 3
It is shown.
The optimal specific embodiment of the above, only utility model, but the protection scope of the utility model not office
It is limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement should be covered within the scope of the utility model.
The content being not described in detail in the utility model specification belongs to the well-known technique of professional and technical personnel in the field.
Claims (11)
1. a kind of spring push-rod mechanism of auto retractable, it is characterised in that: including mounting base (1), sleeve (2), return spring
(3), push rod (4), thrust ring (5), load transfer device (6), limiting device (7), torsional spring (8), thrust spring (9), end cap (10), lock
Determine device (11)；
One end of the sleeve (2) is mounted on mounting base (1)；The return spring (3) is sleeved on push rod (4)；The installation
Seat (1) is equipped with first through hole, and one end of the push rod (4) passes through first through hole；The locking device (11) is by mounting base (1)
It is locked with push rod (4)；The thrust ring (5) is sleeved on push rod (4), and thrust ring (5) is equipped with the second through-hole, load transfer device
(6) it is installed in the second through-hole with limiting device (7), load transfer device (6) and limiting device (7) are close to；The push rod (4) exists
One end far from mounting base (1) is equipped with flange；The torsional spring (8) is mounted on the flange on push rod (4)；The load transfer device
(6) it is close to torsional spring (8)；Thrust ring (5) installation is close in one end of the thrust spring (9), and the other end is close to the end cap (10)
Installation；The end cap (10) connect with sleeve (2) far from the one end of mounting base (1)；The return spring (3), thrust ring (5),
Load transfer device (6), limiting device (7), torsional spring (8), thrust spring (9) are respectively positioned in sleeve (2)；
The inner wall of the sleeve (2) is equipped with groove in one end close to mounting base (1)；When thrust ring (5) sliding in sleeve (2)
When, limiting device (7) will be caught in the groove of the sleeve (2), and load transfer device (6) will be disengaged with torsional spring (8).
2. a kind of spring push-rod mechanism of auto retractable according to claim 1, it is characterised in that: the torsional spring (8)
The outer surface contacted with load transfer device (6) is cambered surface.
3. a kind of spring push-rod mechanism of auto retractable according to claim 1, it is characterised in that: the thrust spring
(9) inside radius is greater than the outer radius of the return spring (3).
4. a kind of spring push-rod mechanism of auto retractable according to claim 1, it is characterised in that: the sleeve (2)
Groove be an annular groove.
5. a kind of spring push-rod mechanism of auto retractable according to claim 1, it is characterised in that: the mounting base
(1) it is equipped with third through-hole, the push rod (4) is equipped with fourth hole；The locking device (11) is also cross the third through-hole
Mounting base (1) and push rod (4) are locked with after the fourth hole.
6. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
One end of sleeve (2) is by being threadably mounted on mounting base (1).
7. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
End cap (10) is connect with sleeve (2) far from the one end of mounting base (1) by screw thread.
8. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
Locking device (11) is pin.
9. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
Load transfer device (6) is power transmission steel ball.
10. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
Limiting device (7) is limit steel ball.
11. a kind of spring push-rod mechanism of auto retractable described according to claim 1~one of 5, it is characterised in that: described
Before the spring push-rod mechanism work of auto retractable, the thrust spring (9) is in compressive state；The bullet of the auto retractable
After the work of spring transfer bar mechanism, the thrust spring (9) is in extended state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821866179.9U CN209225430U (en) | 2018-11-13 | 2018-11-13 | A kind of spring push-rod mechanism of auto retractable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821866179.9U CN209225430U (en) | 2018-11-13 | 2018-11-13 | A kind of spring push-rod mechanism of auto retractable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209225430U true CN209225430U (en) | 2019-08-09 |
Family
ID=67502752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821866179.9U Active CN209225430U (en) | 2018-11-13 | 2018-11-13 | A kind of spring push-rod mechanism of auto retractable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209225430U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901963A (en) * | 2019-12-17 | 2020-03-24 | 湖北航天技术研究院总体设计所 | Rotary separation spring actuation device |
| CN111498151A (en) * | 2020-04-27 | 2020-08-07 | 北京凌空天行科技有限责任公司 | Spring pushing and punching device |
| CN113218255A (en) * | 2021-04-28 | 2021-08-06 | 北京星途探索科技有限公司 | Separation mechanism with adjustable radome separation power |
| CN113340159A (en) * | 2021-06-10 | 2021-09-03 | 北京星途探索科技有限公司 | Self-adjusting type rotating throwing fairing separating mechanism |
-
2018
- 2018-11-13 CN CN201821866179.9U patent/CN209225430U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901963A (en) * | 2019-12-17 | 2020-03-24 | 湖北航天技术研究院总体设计所 | Rotary separation spring actuation device |
| CN110901963B (en) * | 2019-12-17 | 2021-07-20 | 湖北航天技术研究院总体设计所 | Rotary separation spring actuation device |
| CN111498151A (en) * | 2020-04-27 | 2020-08-07 | 北京凌空天行科技有限责任公司 | Spring pushing and punching device |
| CN111498151B (en) * | 2020-04-27 | 2022-02-11 | 北京凌空天行科技有限责任公司 | Spring pushing and punching device |
| CN113218255A (en) * | 2021-04-28 | 2021-08-06 | 北京星途探索科技有限公司 | Separation mechanism with adjustable radome separation power |
| CN113340159A (en) * | 2021-06-10 | 2021-09-03 | 北京星途探索科技有限公司 | Self-adjusting type rotating throwing fairing separating mechanism |
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