CN201886934U - Protection device for limit switch of missile - Google Patents
Protection device for limit switch of missile Download PDFInfo
- Publication number
- CN201886934U CN201886934U CN2010206817704U CN201020681770U CN201886934U CN 201886934 U CN201886934 U CN 201886934U CN 2010206817704 U CN2010206817704 U CN 2010206817704U CN 201020681770 U CN201020681770 U CN 201020681770U CN 201886934 U CN201886934 U CN 201886934U
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- China
- Prior art keywords
- piston rod
- slide block
- travel switch
- dividing plate
- constraint
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Abstract
The utility model relates to a protection device for a limit switch of a missile, comprising an outer cover with a separator; a piston hole with an upper chute on the side wall is arranged in the middle of the separator; a constraint sliding block is arranged on the side wall of the lower end of a piston rod; a boss is arranged at the upper end of the piston rod; a compression spring is sheathed outside the piston rod and is located between the boss and the upper surface of the separator; the piston rod penetrates through the piston hole; a lower clamping groove is arranged on the lower surface of the separator and is intersected with the upper chute at the axis of the piston hole; a turning handle is fixedly arranged at the upper part of the boss; the lower end of the piston rod is located above the limit switch in a popup state; a pressing chassis is fixedly arranged at the lower end of the piston rod and is located above the limit switch; and the lower surface of the pressing chassis is in contact with the upper surface of the limit switch popped up from an elastomer or a gap is reserved therebetween. Through pressing the chassis to directly contact with a limit switch button, the popping and the pressing of the limit switch button are not stressed by lateral force; and the constraint force is realized by the compression spring, therefore, the operation is very convenient.
Description
Technical field
The utility model relates to a kind of protective device, relates to a kind of guided missile travel switch protective device specifically.
Background technology
The guided missile travel switch is the time system collecting device at zero point after guided missile is disembarked, and its button is in the state of being pressed at ordinary times, after button ejects, and system zero signal when promptly providing.For guarantee travel switch in guided missile ground test, storage and transportation not by accident collision and overvoltage, need a kind of switching protective device of design.The protective device of general travel switch is a presser device, need have the special messenger to be responsible for dismounting, to push in test of missile process, also will take care of very inconvenience during operating cost specially to the bolt that unloads; The cam of employing rotary extrusion type spinning protection switch device is also arranged, but this device produces side force to the stroke button in the break-make spinning process, can not satisfy the requirement of electrical system.Now design the dull and stereotyped spinning machine of a cover as the travel switch protective device, this device need not dismantled in the test of missile, storage and transportation, and is easy to operate, and can satisfy electric requirement, satisfies instructions for use fully.
The utility model content
The purpose of this utility model is to provide a kind of guided missile travel switch protective device, is used for protecting travel switch not touched and overvoltage by accident in ground handling processes such as installation, test, transportation, transfers.Guided missile is using and memory period at ordinary times, and the travel switch button is in the state of being pressed into, system zero signal when promptly not exporting; When ground test, eject the travel switch button, system zero signal when providing.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of guided missile travel switch protective device, comprise the outer cover that has dividing plate, the middle part of described dividing plate has the piston hole that slides for piston rod, the sidewall of piston hole has upper chute, the sidewall of described piston-rod lower end has the constraint slide block, the cross-sectional area of constraint slide block is less than the cross-sectional area of upper chute, the external diameter of piston rod is less than the diameter of piston hole, the piston rod upper end has boss, the piston rod outer cover is equipped with the compression spring, the compression spring is between the upper surface of boss and dividing plate, have the piston rod that retrains slide block and pass the piston hole that has upper chute, the lower surface of dividing plate has the next draw-in groove to the dividing plate inner recess, the next draw-in groove and upper chute intersect at the axis of piston hole, the cross-sectional area of the next draw-in groove outside is greater than the cross-sectional area of the upper surface of constraint slide block, the cross-sectional area of the next draw-in groove inside is less than the cross-sectional area of constraint slide block, boss top is installed with turning handle, piston-rod lower end is positioned at the travel switch top of ejection state, piston-rod lower end contacts or leaves the gap with the travel switch upper surface of ejection, the thickness of described dividing plate is less than the constraint height of slide block on piston rod axis direction, described boss lower surface to the distance of dividing plate upper surface greater than the height of constraint slide block on piston rod axis direction; Piston-rod lower end is fixed with pushes the chassis, pushes the top that the chassis is positioned at travel switch, and the travel switch upper surface that ejects on the lower surface of pushing the chassis and the body contacts or leave the gap.
Described constraint slide block is the cube slide block, and described upper chute and the next draw-in groove all are complementary with the constraint slide block.
The outer cover of described boss is equipped with end cap, fixedlys connected with the top of outer cover in the bottom of end cap, described turning handle lower surface to the distance of end cap peak greater than the height of constraint slide block on piston rod axis direction.
The angle of the next draw-in groove and upper chute is more than or equal to 30 ° and smaller or equal to 90 °.
The beneficial effects of the utility model are:
Vertically contact the travel switch button by pushing the chassis, make the travel switch button upspring, be pressed into and be not subjected to side force, push the chassis and be connected with turning handle, dull and stereotypedly rely on the chute constraint to move up and down, its restraining force adopts compression spring to realize.Press lower handle and remove spacingly, rotary handle is realized depressing and upspringing of travel switch button again, thereby the system signal has, do not have two conversions between the state when realizing guided missile.Operating process need not dismantled, and is very convenient.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present utility model (a travel switch At time of eject).
Fig. 2 is a sectional structure schematic diagram of the present utility model (when travel switch is depressed).
Fig. 3 is the local enlarged diagram of piston rod.
Fig. 4 is a dividing plate polycrystalline substance schematic diagram.
Among the figure, 1 is dividing plate, and 2 is outer cover, and 3 is piston rod, and 4 is end cap, and 5 is upper chute, and 6 are the constraint slide block, and 7 is boss, and 8 are the compression spring, and 9 is the next draw-in groove, and 10 is turning handle, and 11 is travel switch, and 12 for pushing the chassis, and 13 is body.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified:
Embodiment: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4.
A kind of guided missile travel switch protective device; comprise the outer cover 2 that has dividing plate 1; the middle part of described dividing plate 1 has the piston hole that slides for piston rod 3; the sidewall of piston hole has upper chute 5; the sidewall of described piston rod 3 lower ends has constraint slide block 6; the cross-sectional area of constraint slide block 6 is less than the cross-sectional area of upper chute 3; the external diameter of piston rod 3 is less than the diameter of piston hole; piston rod 3 upper ends have boss 7; piston rod 3 outer cover are equipped with compression spring 8; compression spring 8 is between the upper surface of boss 7 and dividing plate 1; have the piston rod 3 that retrains slide block 6 and pass the piston hole that has upper chute 5; the lower surface of dividing plate 1 has the next draw-in groove 9 to dividing plate 1 inner recess; the next draw-in groove 9 and upper chute 5 intersect at the axis of piston hole; the cross-sectional area of the next draw-in groove 9 outsides is greater than the cross-sectional area of the upper surface of constraint slide block 6; the cross-sectional area of the next draw-in groove 9 inside is less than the cross-sectional area of constraint slide block 6; boss 7 tops are installed with turning handle 10; piston rod 3 lower ends are positioned at travel switch 11 tops of ejection state; piston rod 3 lower ends contact or leave the gap with travel switch 11 upper surfaces of ejection; the thickness of described dividing plate 1 is less than the constraint height of slide block 6 on piston rod 3 axis directions, described boss 7 lower surfaces to the distance of dividing plate 1 upper surface greater than the height of constraint slide block 6 on piston rod 3 axis directions.Piston rod 3 lower ends are fixed with pushes chassis 12, pushes the top that chassis 12 is positioned at travel switch, and travel switch 11 upper surfaces that eject on the lower surface of pushing chassis 12 and the body 13 contact or leave the gap.
In the present embodiment, described constraint slide block 6 is the cube slide block, and described upper chute 5 and the next draw-in groove 9 all are complementary with constraint slide block 6.
Operation principle of the present utility model is as follows:
Earlier at piston rod 3 outer cover shock mounts 8, in the outer cover 2 that has dividing plate 1 of again piston rod 3 being packed into.The bottom of dividing plate 1 have the travel switch button eject the upper chute 5 of state and be pressed into state the next draw-in groove 9 and, as shown in Figure 4.To have the piston rod 3 that retrains slide block 6 and insert the piston hole at dividing plate 1 middle part, and wherein retrain slide block 6 and insert, simultaneously clamping piston bar 3 from upper chute 5.The upper end of turning handle 10 with piston rod 3 is fastenedly connected, connects by two sunk screws in the present embodiment, the lower end that will push chassis 12 and piston rod 3 then is fastenedly connected, and connects by a sunk screw in the present embodiment.When chassis 12 was pushed in installation, screw need be coated with the epoxide-resin glue anticreep.This moment, whole travel switch protective device assembling finished, and as shown in Figure 1, was the schematic diagram of travel switch At time of eject.
The angle of the next draw-in groove 9 and upper chute 5 is more than or equal to 30 ° and smaller or equal to 90 °, turning handle 10 is pressed and rotated, the angle of rotation is determined according to the next draw-in groove 9 and the angle of upper chute 5, angle is 90 ° in the present embodiment, rotation is unclamped behind the back, constraint slide block 6 snaps in the next draw-in groove 9, pushes chassis 12 travel switch 11 is pressed, as shown in Figure 2.
For smoothly turning handle 10 being pressed and can being snapped in the next draw-in groove 9, the thickness of dividing plate 1 is less than the constraint height of slide block 6 on piston rod 3 axis directions, described boss 7 lower surfaces to the distance of dividing plate 1 upper surface greater than the height of constraint slide block 6 on piston rod 3 axis directions; The lower surface of pushing chassis (12) contacts or leaves the gap with travel switch 11 upper surfaces that body (13) is gone up ejection.
The travel switch protective device is connected with screw with body 8 usefulness plate nuts, makes things convenient for the dismounting of whole protecting device.
Preferably, the outer cover of boss 7 is equipped with end cap 4, fixedlys connected with the top of outer cover 2 in the bottom of end cap 4, described turning handle 10 lower surfaces to the distance of end cap peak greater than the height of constraint slide block 6 on piston rod 3 axis directions.
Reach test mode, i.e. the stroke shift knob state of upspringing then needs turning handle 10 pushed downwards and leaves the next draw-in groove 9, unclamps turning handle 10 behind the half-twist, makes constraint slide block 6 be stuck in the upper chute 5, and travel switch 11 is upspring.
Claims (4)
1. guided missile travel switch protective device, it is characterized in that: comprise the outer cover (2) that has dividing plate (1), the middle part of described dividing plate (1) has the piston hole that slides for piston rod (3), the sidewall of piston hole has upper chute (5), the sidewall of described piston rod (3) lower end has constraint slide block (6), the cross-sectional area of constraint slide block (6) is less than the cross-sectional area of upper chute (3), the external diameter of piston rod (3) is less than the diameter of piston hole, piston rod (3) upper end has boss (7), piston rod (3) outer cover is equipped with compression spring (8), compression spring (8) is positioned between the upper surface of boss (7) and dividing plate (1), the piston rod (3) that has constraint slide block (6) passes the piston hole that has upper chute (5), the lower surface of dividing plate (1) has the next draw-in groove (9) to dividing plate (1) inner recess, the next draw-in groove (9) and upper chute (5) intersect at the axis of piston hole, the cross-sectional area of the next draw-in groove (9) outside is greater than the cross-sectional area of the upper surface of constraint slide block (6), the cross-sectional area of the next draw-in groove (9) inside is less than the cross-sectional area of constraint slide block (6), boss (7) top is installed with turning handle (10), piston rod (3) lower end is positioned at travel switch (11) top of ejection state, piston rod (3) lower end contacts or leaves the gap with travel switch (11) upper surface of ejection, the thickness of described dividing plate (1) is less than the constraint height of slide block (6) on piston rod (3) axis direction, described boss (7) lower surface to the distance of dividing plate (1) upper surface greater than retraining the height of slide block (6) on piston rod (3) axis direction; Piston rod (3) lower end is fixed with pushes chassis (12), pushes the top that chassis (12) is positioned at travel switch, and the lower surface of pushing chassis (12) contacts or leave the gap with travel switch (11) upper surface that body (13) is gone up ejection.
2. a kind of guided missile travel switch protective device according to claim 1 is characterized in that: described constraint slide block (6) is the cube slide block, and described upper chute (5) and the next draw-in groove (9) all are complementary with constraint slide block (6).
3. a kind of guided missile travel switch protective device according to claim 1; it is characterized in that: the outer cover of described boss (7) is equipped with end cap (4); fixedly connected with the top of outer cover (2) in the bottom of end cap (4), described turning handle (10) lower surface to the distance of end cap peak greater than the height of constraint slide block (6) on piston rod (3) axis direction.
4. according to claim 1 described a kind of guided missile travel switch protective device of arbitrary claim to the claim 3, it is characterized in that: the angle of the next draw-in groove (9) and upper chute (5) is more than or equal to 30 ° and smaller or equal to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206817704U CN201886934U (en) | 2010-12-27 | 2010-12-27 | Protection device for limit switch of missile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206817704U CN201886934U (en) | 2010-12-27 | 2010-12-27 | Protection device for limit switch of missile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886934U true CN201886934U (en) | 2011-06-29 |
Family
ID=44184482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206817704U Expired - Lifetime CN201886934U (en) | 2010-12-27 | 2010-12-27 | Protection device for limit switch of missile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886934U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407529A (en) * | 2014-11-27 | 2015-03-11 | 江西洪都航空工业集团有限责任公司 | Method for realizing time system zero-clock |
| CN108320957A (en) * | 2018-01-09 | 2018-07-24 | 歌尔科技有限公司 | A kind of button and electronic equipment |
| CN109471350A (en) * | 2017-09-07 | 2019-03-15 | 蒙特雷布勒盖股份有限公司 | Equip the actuating instrument of the corrector of small size portable item |
| CN113066684A (en) * | 2021-03-30 | 2021-07-02 | 新疆心连心能源化工有限公司 | Remote light-operated button, remote light-operated box and remote control device |
-
2010
- 2010-12-27 CN CN2010206817704U patent/CN201886934U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407529A (en) * | 2014-11-27 | 2015-03-11 | 江西洪都航空工业集团有限责任公司 | Method for realizing time system zero-clock |
| CN104407529B (en) * | 2014-11-27 | 2018-04-06 | 江西洪都航空工业集团有限责任公司 | A kind of method for zero point of uniting when realizing |
| CN109471350A (en) * | 2017-09-07 | 2019-03-15 | 蒙特雷布勒盖股份有限公司 | Equip the actuating instrument of the corrector of small size portable item |
| CN108320957A (en) * | 2018-01-09 | 2018-07-24 | 歌尔科技有限公司 | A kind of button and electronic equipment |
| CN108320957B (en) * | 2018-01-09 | 2023-12-22 | 歌尔科技有限公司 | Key and electronic equipment |
| CN113066684A (en) * | 2021-03-30 | 2021-07-02 | 新疆心连心能源化工有限公司 | Remote light-operated button, remote light-operated box and remote control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |