CN208348478U - The mute structure of auto-manual selector - Google Patents

Abstract

The utility model relates to technical field of automobile parts, the specifically mute structure of auto-manual selector.The mute structure of auto-manual selector, including pedestal and shell, the shell is mounted on the base end, pedestal is equipped with castellated plates, handle gearshift structure is equipped in shell, handle gearshift structure includes handlebar, lifting core bar is equipped in handlebar, handlebar lower end is equipped with sub warhead tube-in-tube structure, sub warhead tube-in-tube structure includes sub warhead, lifting core bar and sub warhead are slidably connected with castellated plates, handlebar is equipped with annular groove, annular groove is externally provided with shock absorbing ring, handlebar lower end is equipped with noise reduction set, noise reduction set is contacted with castellated plates, conversion block is equipped in the middle part of handlebar, driving cable support and driving cable support cover board are equipped at left and right sides of conversion block, bushing is equipped between conversion block and driving cable support and driving cable support cover board.The usefulness of the utility model: noise reduction set is manufactured using thermoplastic elastomer, increases the single-piece service life, reduces process noise.

Description

The mute structure of auto-manual selector

Technical field

The utility model relates to technical field of automobile parts, the specifically mute structure of auto-manual selector.

Background technique

Automotive gear shifter is the necessary building block of Hyundai Motor, and selector cooperates gearbox complete by the movement of hand At the matching of rotating speed of automobile engine and vehicle wheel rotational speed, automobile is allowed to take into account the large torque in running at a low speed and run at high speed In high speed, selector can generally be divided into two classifications of manual gearshift and automatic gear shifting device, manual gearshift structure It is similar, automatic gear shifting device because to match the components such as gear lever rotational structure, gear locking structure and electronic signal issue device, Structure is all more complicated, and the junction between each structural member is often the source of noise, cuts in vehicle travel process with gear It is all easy to produce noise during changing, influences running car quality.

Utility model content

In order to solve the technical issues of above-mentioned existing automatic gear shifting device is easy to produce noise, the utility model provides hand from one The mute structure of body selector.

The technical solution of the utility model is as follows:

The mute structure of auto-manual selector, including pedestal and shell, the shell are mounted on the base end, on pedestal Equipped with castellated plates, handle gearshift structure is equipped in shell, handle gearshift structure includes handlebar, and lifting core is equipped in handlebar Bar, handlebar lower end are equipped with sub warhead tube-in-tube structure, and sub warhead tube-in-tube structure includes sub warhead, lift core bar and sub warhead and tooth Shape plate is slidably connected, and handlebar is equipped with annular groove, and annular groove is externally provided with shock absorbing ring, and handlebar lower end is equipped with noise reduction set, noise reduction Set is contacted with castellated plates, and conversion block is equipped in the middle part of handlebar, driving cable support and driving drag-line are equipped at left and right sides of conversion block Bushing is equipped between rack plate, conversion block and driving cable support and driving cable support cover board.

Noise reduction set rear and front end is equipped with protrusion.

Transverse opening in the middle part of the bushing is open-loop design, is arranged oppositely at two protrusions and two and is recessed on the inside of bushing, even Rear projection and recess is connect to be in close contact with conversion block.

The pedestal front is equipped with clamping groove, and shell lower end corresponding position is equipped with clamp, and clamp is caught in clamping groove, pedestal Rear portion is equipped with bolt attachment base, and shell lower end corresponding position is equipped with the bolt connector to match, and bolt passes through inserting on pedestal Bolt connector on pin connection seat and shell is fixedly connected.

The handlebar is hollow and is equipped with lifting core bar up and down, in handlebar, lifts and sets between core bar and handlebar There is core bar spring.

The sub warhead tube-in-tube structure includes sub warhead, sub warhead sleeve and gear spring, cartridge sleeve structure and handle Bar lower end is flexibly connected, and sub warhead is flexibly connected with sub warhead sleeve, and gear spring is equipped between sub warhead and sub warhead sleeve.

Four Angle Positions of the pedestal are equipped with fixed mounting hole, are equipped with rubber damping circle and metal liner in fixed mounting hole Set.

The castellated plates and bushing are POM material, and castellated plates pad is elastic material.

The lifting core bar lower end, sub warhead and noise reduction set are thermoplastic elastic material.

Using the technical solution of the utility model, structure novel is ingenious in design, and pedestal is matched with shell by buckle and bolt Connection is closed, pedestal and shell are completely embedded securely, it is not likely to produce loosening, and assembling difficulty can be reduced in an assembling process, Packaging efficiency is improved, also, pedestal design seperated with shell also brings benefit for maintenance later, can replace fraction part It repairs；Four Angle Positions of pedestal are equipped with bradyseism component, reduce influence of the car body vibration to selector；According to castellated plates and tooth The requirement reached needed for shape plate pad carries out material selection, and castellated plates use POM material, and self-lubricating effect is good, sub warhead and lifting Core bar lower end is manufactured using thermoplastic elastomer, avoids hard contact between sub warhead and lifting core bar and castellated plates, and reduction rubs It wipes and generates noise, also improve the single-piece service life, castellated plates pad uses elastic material, bradyseism, and provides sealing effect；Noise reduction set is adopted It is manufactured with thermoplastic elastomer, reduce reduces process noise with flute profile interleaf friction, increase single-piece service life during the motion, Gear shift movement is more smooth；Transverse opening in the middle part of bushing is open-loop design, reduces size requirement at conversion block and support assorted, inhales Processing, cooperation deviation are received, functional requirement is utmostly reached, even closer, easy to assembly quick, bushing inside is connected after installation It is arranged oppositely at two protrusions and two and is recessed, it is convenient to be attached with conversion block, it connects rear projection and recess is close with conversion block Contact, prevents bushing from sliding in conversion block rotation process, and securely and reliably, durability is good, and bushing uses POM material, rotation profit Slip is good, keeps rotation more smooth, avoids hard contact between conversion block and driving cable support and driving cable support cover board, subtracts Few friction generates noise, also improves the single-piece service life.

Detailed description of the invention

Fig. 1 is the perspective view of the explosion of the utility model handle gearshift structure；

Fig. 2 is the perspective view of the explosion of the utility model；

Fig. 3 is the structural schematic diagram of the utility model handle gearshift structure；

Fig. 4 is the structural schematic diagram of the utility model handle gearshift structure；

Fig. 5 is the partial structure diagram of the utility model handle gearshift structure；

Fig. 6 is the structural schematic diagram of the utility model pedestal 1；

Fig. 7 is the structural schematic diagram of the utility model；

Fig. 8 is the structural schematic diagram of the utility model；

Fig. 9 is the gear panel layout figure of the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

Embodiment

The mute structure of auto-manual selector as shown in Fig. 1 ~ 9, including pedestal 1 and shell 2, the pedestal 1 and shell Body 2 is cooperatively connected by buckle and bolt, and 1 front end of pedestal is equipped with interconnecting piece, and for connecting front-end architecture, interconnecting piece rear is equipped with Clamping groove 101,2 lower end corresponding position of shell are equipped with clamp 201, and clamp 201 is caught in clamping groove 101, is completely embedded, pedestal 1 Rear portion is equipped with bolt attachment base 102, and 2 lower end corresponding position of shell is equipped with the bolt connector 202 to match, is passed through by bolt The bolt connector 202 on bolt attachment base 102 and shell 2 on pedestal 1 is fixedly connected, and pedestal 1 is connect tightly with shell 2 It is close to be securely not likely to produce loosening, and assembling difficulty be reduced in an assembling process, improve packaging efficiency, also, pedestal 1 Design seperated with shell 2 also brings benefit for maintenance later, can replace fraction part to repair.1 four angles of pedestal Position is equipped with fixed mounting hole, and for selector to be fixedly installed in car body, bradyseism component, bradyseism are equipped in fixed mounting hole Component includes rubber damping circle and metal lining, reduces influence of the car body vibration to selector.

1 middle part of pedestal is hollow, and hollow part forms castellated plates mounting groove, accommodates castellated plates 3 in castellated plates mounting groove, Castellated plates pad 4 is equipped with below castellated plates 3, castellated plates 3 are fixedly mounted on 1 middle part hollow position of pedestal by buckle from top to bottom, Castellated plates pad 4 is easy to process between castellated plates 3 and pedestal 1, and it is convenient to assemble, and 3 surface of castellated plates is equipped with gear lock groove 301 and gear slot 302, gear lock groove 301 and gear slot 302 are L-shaped, and gear slot 302 is located at 301 right side of gear lock groove, Castellated plates pad 4 and castellated plates 3 use unlike material material, and the requirement reached according to needed for castellated plates 3 and castellated plates pad 4 carries out material Material selection, castellated plates 3 use POM material, and self-lubricating effect is good, avoid between sub warhead 15 and lifting core bar 10 and castellated plates 3 Hard contact reduces friction and generates noise, also improves the single-piece service life, castellated plates pad 4 uses elastic material, bradyseism, and provides Sealing effect.

The shell 2 is integrally formed, and 2 outer right wall of shell is equipped with circuit board 5, is existed for receiving acquisition 25 magnetic field of electromagnet The electromagnetic inductor inductive signal generated in gear shift operation, passes to car running computer by connecting line by and by signal, realization is changed The shelves external display of gear, circuit board 5 are covered with protective plate 6, and protection circuit plate 5 is scratched from foreign object, and 2 middle part outer wall of shell is equipped with Solenoid valve 8 is used for locking gear level after automobile flameout in park position, and 2 upper end of shell is equipped with unlock drive rod 7, is used for urgent feelings Locking gear level is released manually under automobile flameout state under condition, allows automobile in flameout state incision gear shift position, after flame-out It is switched to the operation such as N grades of carry out trailers, whole unlock drive rod 7 is in H-shaped, and unlock 7 upper end of drive rod connects manual unlocking button, Lower-end front portion stabilizer blade 701 is flexibly connected with solenoid valve 8, and portable pillar 801 is equipped on the outside of solenoid valve 8, and portable pillar 801 is pushed away with solenoid valve Bar connects, and locking cap 802 is equipped on the outside of portable pillar 801, unlocks and is recessed inwardly among 7 lower-end front portion stabilizer blade 701 of drive rod, is recessed Position corresponds to 801 position of portable pillar, and be recessed both sides bifurcated, and forked section is inclined-plane setting, and width is gradually reduced from top to bottom, is pressed Under manual unblock button, unlock 7 upper end stress of drive rod, integrally move down, 701 forked section of lower-end front portion stabilizer blade insertion live Dynamic 801 two sides of column are simultaneously contacted with locking cap 802, and locking cap 802 is displaced outwardly after being forced outwardly extruding, drives portable pillar 801 are displaced outwardly, and band moving electromagnetic valve push rod is extracted out from latched position, and solenoid valve 8 unlocks, and unlock 7 lower-end rear portion stabilizer blade of drive rod In sliding groove on 702 insertion shells 2, stabilizer blade 702 lower end in rear portion is equipped with buckle, is caught in shell 2, and unlock drive rod 7 is consolidated It is scheduled on relative position, the stroke that limitation unlock drive rod 7 shifts up prevents unlock drive rod 7 from popping up, in shell 2 The upper unlock 7 liang of side positions of drive rod that are located at are equipped with limited block 203, prevent unlock drive rod 7 to be laterally moved, unlock is kept to pass The lateral stability of lever 7 is equipped with spring between 7 middle part of unlock drive rod and shell 2, and shell 2 is equipped with spring stack 204, bullet Spring is fixed on relative position by spring stack 204, so that spring will not generate lateral displacement, provides one to unlock drive rod 7 Unlock drive rod 7 is maintained on an initial position by a upward restoring force, and guarantees to press manual unlocking button every time Unlock drive rod 7 can be returned to initial position afterwards, while spring stack 204 passes through 7 middle part of unlock drive rod, keeps unlock transmission The lateral stability of bar 7.

Be equipped with handle gearshift structure in the shell 2, handle gearshift structure includes handlebar 9, handlebar 9 it is hollow and on Lower perforation, handlebar 9 is interior to be equipped with lifting core bar 10, and lifting core bar 10 is packed into handlebar 9 from lower part, lifting core bar 10 after loading Top and bottom are exposed outside handlebar 9, and lifting 10 upper end of core bar is transversely provided with perforation, and gear-shifting knob mating connection, by moving The movement of gear unblock button is converted to lifting core bar by a series of switching motion by the gear unblock button on block ball 10 upper actuating is made, and lifting 10 rear surface of core bar is equipped with the raised line parallel with lifting core bar 10, and 9 lower end inner wall of handlebar is equipped with The groove being used cooperatively with raised line, raised line slide in groove, and lifting core bar 10 is avoided to carry out lateral rotation, so that lifting core bar 10 is more stable and reliable during the motion, and durability is more preferable, in lifting 10 lower end of core bar insertion gear lock groove 301, on demand Locking is carried out to gear, switching needs to press gear unblock button between different stalls, avoids touching gear lever unintentionally and cutting Gear shift position causes safety accident, lifts and is equipped with core bar spring 11 between core bar 10 and handlebar 9, and 9 inner wall of handlebar is equipped with limit Core bar spring 11 is fixed on 9 lower part of handlebar by protrusion, and 11 pairs of lifting core bars 10 of core bar spring provide a downward reply Power is pressed and lifting core bar 10 is returned to initial position after gear unblock button, so that shelves are inserted into lifting 10 lower end of core bar always In the lock groove 301 of position, 9 lower end of handlebar is equipped with noise reduction set 12, and noise reduction covers 12 rear and front ends and is equipped with protrusion, is avoided that noise reduction set 12 Shock is generated when contacting with castellated plates 3, alleviates vibration, and noise reduction set 12 is contacted with castellated plates 3, and noise reduction set 12 uses thermoplastic elastic material Material manufacture reduces the frictional force between castellated plates 3 during the motion, increases the single-piece service life, and the noise during reducing changes Shelves movement is more smooth, and 9 lower end of handlebar, which is tilted to the right, is provided with sub warhead tube-in-tube structure, and sub warhead tube-in-tube structure includes sheath body 13, sheath body 13 is fixedly connected with 9 lower end of handlebar, sub warhead sleeve 14 is equipped in sheath body 13,14 surface of sub warhead sleeve is equipped with It is parallel to the raised line of sub warhead sleeve 14,13 inner wall of sheath body is equipped with the groove being used cooperatively with raised line, and raised line is inserted into groove, keeps away Exempt from sub warhead sleeve 14 and carry out lateral rotation, sub warhead sleeve 14 connect stronger stabilization with sheath body 13, so that sub warhead 15 More stable and reliable during the motion, durability is more preferable, sub warhead 15 is equipped in sub warhead sleeve 14,15 surface of sub warhead is equipped with It is parallel to the raised line of sub warhead 15,14 inner wall of sub warhead sleeve is equipped with the groove being used cooperatively with raised line, and raised line is sliding in groove It is dynamic, avoid sub warhead 15 from carrying out lateral rotation, so that sub warhead 15 is more stable and reliable during the motion, durability is more preferable, son Bullet 15 is inserted into gear slot 302, and 302 surface of gear slot corresponds to each gear equipped with groove, is switched to bullet after different stalls First 15 slide into corresponding groove, so that shift process is more stable, and provides sense straggly, promote interaction sense when shift, make Whether the completion of gear shifting action can clearly be perceived by obtaining driver, increase drive safety, sub warhead 15 and sub warhead sleeve 14 Between be equipped with gear spring 16, to sub warhead 15 provide a downward active force so that sub warhead 15 is inserted into gear slot always In 302, sub warhead 15 and lifting 10 lower end of core bar using thermoplastic elastomer manufacture, avoid sub warhead 15 and lift core bar 10 and Hard contact between castellated plates 3 reduces friction and generates noise, also improves the single-piece service life.Gear lock groove 301 moves down, and saves Selector inner space reduces selector size, material is saved, but also interior space utilization rate is more excellent.

It is fixed with shaft key seat 17 in the middle part of the handlebar 9, is arranged with conversion block 18 outside shaft key seat 17, before conversion block 18 Shaft hole 1801 is provided in rear direction, roller pin 19 passes through shaft hole 1801 and is inserted into the jack on shaft key seat 17, conversion block 18 are rotatablely connected with shaft key seat 17, and handlebar 9 can be rotated by a small margin to the left and right using shaft as the center of circle, by handlebar 9 The gear-shifting knob on top pushes to the left, and the sub warhead 15 and lifting core bar 10 in 9 lower part of handlebar slide to the right, and slide-in is changed manually Area is kept off, switching hand self shifter is simple and reliable, and smooth handy, durability is good, and handlebar 9 and conversion block 18 pass through 19 riveting of roller pin It after connecing, drives conversion block 18 to rotate in gearshift procedure, to make gear shift stress more evenly, increases the single-piece service life, reduce noise, together When without more than one piece operation force transmit, reduce berth-changing strength loss, reduce berth-changing strength, improve gear shift efficiency, 18 left and right ends of conversion block are set There is the connecting shaft 1802 of protrusion, driving cable support 20 and driving cable support cover board 21 are equipped at left and right sides of conversion block 18, is driven Dynamic cable support 20 and driving cable support cover board 21 are correspondingly connected with 1802 position of axis and are provided with mounting hole 22, and connecting shaft 1802 passes through Drive cable support 20 and drive cable support cover board 21 on mounting hole 22 expose, conversion block 18 and driving cable support 20 and Drive cable support cover board 21 between be equipped with bushing 23,23 middle part transverse opening of bushing, be open-loop design, reduce conversion block 18 with At support assorted size requirement, absorb processing, cooperation deviation, utmostly reach functional requirement, connected after installation it is even closer, It is easy to assembly quick, recess 2302 at two protrusions 2301 and two is arranged oppositely on the inside of bushing 23, it is convenient to be carried out with conversion block 18 Connection connects rear projection 2301 and recess 2302 and is in close contact with conversion block 18, prevents bushing 23 in 18 rotation process of conversion block Middle sliding, securely and reliably, durability are good, and bushing 23 uses POM material, and rotation lubricity is good, keep rotation more smooth, avoid converting Hard contact between block 18 and driving cable support 20 and driving cable support cover board 21 reduces friction and generates noise, also improves Single-piece service life, driving cable support 20 inner surface are equipped with buckle, and driving cable support cover board 21 is equipped with card in corresponding position Mouthful, buckle is cooperatively connected with bayonet, is connected firmly, and integraty is good, and driving 20 lower end inside of cable support is equipped with convex block 2001, hand 9 lower end of shank is provided with through-hole in corresponding position, and convex block 2001 exposes across through-hole, will driving cable support 20 and handlebar 9 into The close connection of row, power effect is more direct when shift, and power transmitting is more stable, and driving 20 front end of cable support is equipped with circular groove 2002, electromagnetism valve follower can slide in circular groove 2002, and circular detent hole 2003 is equipped with above circular groove 2002, When gear is cut park position and stopped working, 2003 position face electromagnetism valve follower position of circular detent hole, electromagnetism valve follower is to the left It releases and is inserted into circular detent hole 2003, gear is locked at park position, prevent gear lever after vehicle stall from being touched generation Gear changes, and improves safety, is equipped with M grades of latch fixed links 901 below shaft key seat 17, in M grades of latch fixed links 901 Laterally setting M grade latch 24, M grade latch 24 be horizontally installed on driving cable support 20 with drive cable support cover board 21 it Between, M grades of latch 24 are stuck in outside M grades of latch fixed links 901, and driving cable support 20 and driving cable support cover board 21 are right It answers M grades of 24 positions of latch to be provided with limit hole 2101, the movement travel of M grades of latch 24 is limited, by 9 top of handlebar Gear-shifting knob push to the left, M grades of latch 24 are slided to the right by the drive of M grades of latch fixed links 901 at this time, and insertion driving is drawn In limit hole 2101 on rope rack plate 21,9 lower part of handlebar is equipped with electromagnet fixed frame 902, before electromagnet fixed frame 902 End is equipped with electromagnet 25, and with circuit board 5 with the use of gear shifting signal is generated, when handlebar 9 rotates, electromagnet 25 passes through circuit board 5 surfaces, 25 magnetic field of electromagnet are given circuit board 5 electromagnetic inductor inductive signal, are driven outside cable support 20 in gear shift operation Side lower part is equipped with dragline pin 2004, and for connecting flexible axle, flexible axle is connect with gearbox, stirs handlebar 9, drives dragline pin 2004 The displacement for carrying out front and back, the gear shifting action of selector is transmitted in gearbox by flexible axle, completes gear shifting action, and shell 2 exists 1802 position of connecting shaft of left and right ends is equipped with installing port 26 on corresponding conversion block 18, and connecting shaft 1802 passes through installing port 26, peace Dress mouth 26 is externally provided with axle sleeve 27, and 26 inner wall of installing port is equipped with card slot, and 27 surface of axle sleeve is equipped with snap ring, and snap ring rotation is caught in card slot It is interior, connecting shaft 1802 and shell 2 are stably connected with, are just stably connected with handle gearshift structure and shell 2 without metal shaft, Component is few, while the compatible automatic gear switch of hand, and sensor position is reasonable, and 27 lateral wall of axle sleeve is equipped with radial decorative pattern, convenient The dismounting of axle sleeve 27 is carried out manually, and shell 2 is provided with logical in the 2002 position side of circular groove of corresponding driving cable support 20 Hole, positioning pin 28 are inserted into through-hole, carry out locking to handle gear shifting structure, are guaranteed in transportational process inside auto-manual selector The stabilization of structure prevents the variation of auto-manual selector gear or inner body in transportational process from colliding with.

It is equipped with annular groove above the shaft key seat 17, shock absorbing ring 29 is arranged with outside annular groove, for eliminating and weakening Handlebar 9 contacts the vibration generated with shell 2 in shift process, avoids generating noise, mute bradyseism promotes texture.

Using interconnecting piece position as front, then 102 position of bolt attachment base is rear, with 6 place side of protective plate For right side, then 28 place side of positioning pin is left side, using towards 17 place side of shaft key seat as inside, then back to 17 side of shaft key seat For outside.

It should be understood that the above is only the preferred embodiment of the utility model only, it is not sufficient to limit this reality With novel technical solution, for those of ordinary skills, within the spirit and principles of the present invention, Ke Yigen Increased and decreased according to above description, replaced, converted or is improved, and all these increases and decreases, replacement, transformation or improved technical side Case all should belong to the protection scope of the appended claims for the utility model.

Claims (9)

1. the mute structure of auto-manual selector, including pedestal (1) and shell (2), it is characterised in that: shell (2) peace Mounted in pedestal (1) upper end, pedestal (1) is equipped with castellated plates (3), and handle gearshift structure, handle gearshift structure are equipped in shell (2) Including handlebar (9), lifting core bar (10) is equipped in handlebar (9), handlebar (9) lower end is equipped with sub warhead tube-in-tube structure, son Bullet tube-in-tube structure includes sub warhead (15), lifts core bar (10) and sub warhead (15) is slidably connected with castellated plates (3), handlebar (9) it is equipped with annular groove, annular groove is externally provided with shock absorbing ring (29), and handlebar (9) lower end is equipped with noise reduction set (12), noise reduction set (12) It is contacted with castellated plates (3), is equipped with conversion block (18) in the middle part of handlebar (9), driving drag-line branch is equipped at left and right sides of conversion block (18) Frame (20) and driving cable support cover board (21), conversion block (18) and driving cable support (20) and driving cable support cover board (21) bushing (23) are equipped between.

2. the mute structure of auto-manual selector according to claim 1, it is characterised in that: before the noise reduction set (12) Both ends are equipped with protrusion afterwards.

3. the mute structure of auto-manual selector according to claim 1, it is characterised in that: in the middle part of the bushing (23) Transverse opening is open-loop design, recess (2302) at two protrusions (2301) and two is arranged oppositely on the inside of bushing (23), after connection Raised (2301) and recess (2302) and conversion block (18) are in close contact.

4. the mute structure of auto-manual selector according to claim 1, it is characterised in that: pedestal (1) front Equipped with clamping groove (101), shell (2) lower end corresponding position is equipped with clamp (201), and clamp (201) is caught in clamping groove (101), Pedestal (1) rear portion is equipped with bolt attachment base (102), and shell (2) lower end corresponding position is equipped with the bolt connector to match (202), the bolt connector (202) that bolt passes through on the bolt attachment base (102) and shell (2) on pedestal (1) is fixed Connection.

5. the mute structure of auto-manual selector according to claim 1, it is characterised in that: in the handlebar (9) It is empty and up and down, it is equipped with lifting core bar (10) in handlebar (9), lifts between core bar (10) and handlebar (9) equipped with core bar Spring (11).

6. the mute structure of auto-manual selector according to claim 1, it is characterised in that: the sub warhead sleeve knot Structure includes sub warhead (15), sub warhead sleeve (14) and gear spring (16), and cartridge sleeve structure and handlebar (9) lower end are movable Connection, sub warhead (15) are flexibly connected with sub warhead sleeve, and gear bullet is equipped between sub warhead (15) and sub warhead sleeve (14) Spring (16).

7. the mute structure of auto-manual selector according to claim 1, it is characterised in that: the pedestal (1) four Angle Position is equipped with fixed mounting hole, is equipped with rubber damping circle and metal lining in fixed mounting hole.

8. the mute structure of auto-manual selector according to claim 1, it is characterised in that: the castellated plates (3) and Bushing (23) is POM material, and castellated plates pad (4) is elastic material.

9. the mute structure of auto-manual selector according to claim 1, it is characterised in that: the lifting core bar (10) Lower end, sub warhead (15) and noise reduction set (12) are thermoplastic elastic material.