CN106918267B - Telescopic spontoon - Google Patents
Telescopic spontoon Download PDFInfo
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- CN106918267B CN106918267B CN201710269991.7A CN201710269991A CN106918267B CN 106918267 B CN106918267 B CN 106918267B CN 201710269991 A CN201710269991 A CN 201710269991A CN 106918267 B CN106918267 B CN 106918267B
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- Prior art keywords
- drum butterfly
- drum
- butterfly
- middle pipe
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B15/00—Weapons not otherwise provided for, e.g. nunchakus, throwing knives
- F41B15/02—Batons; Truncheons; Sticks; Shillelaghs
- F41B15/022—Batons; Truncheons; Sticks; Shillelaghs of telescopic type
- F41B15/027—Batons; Truncheons; Sticks; Shillelaghs of telescopic type the telescoping sections being locked by an additional mechanical locking element
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- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Endoscopes (AREA)
Abstract
A kind of Telescopic spontoon, belongs to antiriot equipment technical field.Including outer tube；Middle pipe；After manage；Middle pipe locking mechanism；Pipe locking mechanism afterwards；Unlocking mechanism；Impact head, feature：Middle pipe locking mechanism includes the first drum butterfly, second drum butterfly and a pair of of drum abjusting spring, first drum butterfly slides vallecular cavity with the first drum butterfly and is slidably matched, there is the first drum butterfly ear in first drum butterfly side of tube chamber in, there is the first drum butterfly solution lockhole in the middle position of first drum butterfly ear, there is the first drum butterfly protecting against shock groove on the right side of first drum butterfly, there is the second drum butterfly ear in second drum butterfly side of tube chamber in, the second drum butterfly solution lockhole is set on second drum butterfly ear and corresponding to the position of the first drum butterfly solution lockhole, there is the second drum butterfly protecting against shock groove on the right side of second drum butterfly, a pair of drum abjusting spring is supported between the first drum butterfly and the second drum butterfly.Ensure the left end of middle pipe and the right end positive lock of outer tube, the left end of rear pipe and the right end of middle pipe can be by positive locks with example.
Description
Technical field
The invention belongs to antiriot equipment technical field, and in particular to a kind of Telescopic spontoon.
Background technology
Police's tool of body-worn when foregoing Telescopic spontoon is the particularly public security police of public security police of China and People's Armed Police on duty
One of, since it shows as telescopic structure and is mostly used under the state that throws away, thus also known as " getting rid of rod " or " multi-section cudgel ".
Usually three section, but it is not limited to three sections.
The technical information of Telescopic spontoon, such as CN104457414A can be seen in disclosed China and foreign countries' patent document（Energy
The Telescopic spontoon of lifting assembling convenience and stability）、CN105865259A（The location control mechanism of Telescopic spontoon）、
CN101598521A（A kind of stepless retractable spontoon）、CN200734676U（Retractable spontoon）With United States Patent (USP) US20130150167
（Retractable spontoon）, etc..
As is known in the industry, in some occasions, need to be used baton as simple or interim forcible entry equipment, such as to vehicle
Or glass of building impact, to save trapped person.But stretching in the prior art including above mentioned patent
The following logical disadvantages of contracting formula baton generally existing：Door and window or other similar objects are rushed in the end by the baton in extended configuration
Improper retraction situation often occurs when hitting, causes baton to be difficult to or even can not ensure at all the effect of simple forcible entry equipment.
By taking the structure of foregoing CN200734676U as an example, when the outer tube for holding Telescopic spontoon（The patent claims " front tube "）The end of pipe after making
When end alignment door and window or other object impacts, under instant impact effect, the trip lever of unlocking mechanism（Custom claims " mandril "）
The power of the spring of locking mechanism can be overcome and promote sliding block to move, open the lock ball pine of locking mechanism, so as to cause rear Guan Fei
Normal retraction, can not then exert a force impact（It for details, reference can be made to the 0012nd section and 0014 section of the patent specification）.Therefore, stretching
Contracting formula baton be under instant impact how to avoid unlocking mechanism unlock improper to locking mechanism into public security department and
The technical problem solved it is expected by baton production firm, and technical solution described below produces in this background.
The content of the invention
The task of the present invention is to provide a kind of trip lever appearance pair for helping to avoid unlocking mechanism in moment impact
The situation of the improper unlock of locking mechanism and the Telescopic spontoon for using requirement when meeting to serve as simple break-in tool.
The task of the present invention is so to complete, a kind of Telescopic spontoon, including an outer tube, in the outer lumen of the outer tube
Right end and offer the middle pipe lock slots on a cavity wall surface for being depressed in outer lumen around the circumferencial direction of outer lumen；In one
Pipe, the middle pipe are slidably matched with the outer lumen, the right end in the middle tube chamber of the middle pipe and the circumference side around middle tube chamber
To the rear pipe lock slots for offering a cavity wall surface for being depressed in middle tube chamber；Managed after one, which slides with the middle tube chamber matches somebody with somebody
Close；One middle pipe locking mechanism, the middle pipe locking mechanism are arranged on the left end of the middle pipe and are thrown out of institute in the right end of middle pipe
State and the middle pipe lock slots are probeed into by the right side of the left end of middle pipe and the outer tube by the middle pipe locking mechanism in the state of outer lumen
End locking；Pipe locking mechanism after one, which sets the left end of pipe in the rear and the right end in rear pipe is got rid of
Go out in the state of the middle tube chamber and the rear pipe lock slots are probeed into by the left end of rear pipe and the middle pipe by the rear pipe locking mechanism
Right end locking；One is used to make the middle pipe locking mechanism exit the middle pipe lock slots and use the left end for releasing middle pipe and institute
State the locking relation between the right end of outer tube and the rear pipe locking mechanism is exited the rear pipe lock slots and is used releasing
The unlocking mechanism of locking relation between the left end of pipe and the right end of the middle pipe afterwards, the unlocking mechanism are arranged on the left end of outer tube
End and it is engaged with middle pipe locking mechanism and rear pipe locking mechanism；One impact head, the impact head set and manage in the rear
Right end end, wherein：Offer in the left end of the middle pipe and slided for the first drum butterfly for making the middle tube chamber be communicated with the external world
Dynamic vallecular cavity and one second drum butterfly slide vallecular cavity, which slides vallecular cavity and the second drum butterfly slides the circle that vallecular cavity surrounds middle pipe
Circumferential direction keeps aspectant position relationship each other, and the left end of pipe offers the rear tube chamber for pipe after making and the external world in the rear
One the 3rd drum butterfly communicated slides vallecular cavity and one the 4th drum butterfly slides vallecular cavity, and the 3rd drum butterfly slides vallecular cavity and the 4th drum butterfly is slided
The circumferencial direction of pipe keeps aspectant position relationship each other after dynamic vallecular cavity surrounds, and the middle pipe locking mechanism corresponds at the same time
Vallecular cavity is slided in the described first drum butterfly and the second position for rousing butterfly slip vallecular cavity is arranged on the left end of the middle pipe, after described
Pipe locking mechanism corresponds to the described 3rd drum butterfly slip vallecular cavity at the same time and the position of the 4th drum butterfly slip vallecular cavity is arranged on institute
The structure of the left end of pipe and the rear pipe locking mechanism is identical with the structure of middle pipe locking mechanism after stating, and is characterized in that the middle pipe
Locking mechanism includes the first drum butterfly, the second drum butterfly and a pair of of drum abjusting spring, and the first drum butterfly slides vallecular cavity with the first drum butterfly
It is slidably matched, one first drum butterfly ear is extended with the side of the first drum butterfly towards the middle tube chamber, in the first drum butterfly ear
Middle position offers one first drum butterfly solution lockhole, and has the right side for being depressed in the first drum butterfly in the right side composition of the first drum butterfly
The first drum butterfly that the first drum butterfly protecting against shock groove on surface, the first drum butterfly protecting against shock groove and the first drum butterfly slide vallecular cavity slides vallecular cavity
Right chamber wall is corresponding, and the second drum butterfly slides vallecular cavity with described second drum butterfly and is slidably matched, and second butterfly is roused towards in described at this
The side of tube chamber is extended with one second drum butterfly ear, on the second drum butterfly ear and corresponding to the described first drum butterfly solution lockhole
Position offers one second drum butterfly solution lockhole, and being formed on the right side of the second drum butterfly has the of a right surface for being depressed in the second drum butterfly
Two drum butterfly protecting against shock grooves, the second drum butterfly which slides vallecular cavity with the second drum butterfly slide vallecular cavity right chamber wall phase
Corresponding, a pair of drum abjusting spring is supported between the first drum butterfly and the second drum butterfly, when the right end of the middle pipe is thrown out of the outer tube
During chamber, the described first drum butterfly and the second drum butterfly lean out described the respectively under the active force of described a pair of drum abjusting spring
One drum butterfly slide vallecular cavity and the second drum butterfly slide vallecular cavity while probe into the middle pipe lock slots by the left end of middle pipe with
Outer tube right end locking, and it is described first drum butterfly protecting against shock groove remain with described first drum butterfly slide vallecular cavity right chamber wall it is corresponding
State and it is described second drum butterfly protecting against shock groove remain with described second drum butterfly slide the corresponding state of vallecular cavity right chamber wall,
The unlocking mechanism is corresponding with the first drum butterfly solution lockhole and the second drum butterfly solution lockhole.
In the specific embodiment of the present invention, the right end in the outer tube and the cavity wall positioned at the outer lumen
The upper circumferencial direction around cavity wall is embedded with an outer tube tune gap ring and an outer tube spacing ring, which is located at outer tube tune gap
The left side of ring, on the outer wall of the left end of the middle pipe and is embedded with middle pipe baffle ring around the circumferencial direction of middle pipe and middle pipe is left
Gap ring is adjusted, middle pipe baffle ring corresponds to the left side of the outer tube spacing ring, and the left tune gap ring of middle pipe corresponds to the left side of middle pipe baffle ring,
When middle pipe baffle ring is contacted with outer tube spacing ring, the extreme degree that the right end of the middle pipe throws away outer lumen is defined；Described
The right end of middle pipe and a middle pipe spacing ring and one are embedded with around the circumferencial direction of cavity wall in the cavity wall of the middle tube chamber
Middle pipe is right to adjust gap ring, and the middle pipe is right to adjust gap ring to be located at the right side of middle pipe spacing ring, in the rear on the outer wall of the left end of pipe and
Pipe baffle ring and rear pipe tune gap ring after the circumferencial direction of pipe is embedded with after surrounding, the left side of pipe baffle ring after which is located at,
When rear pipe baffle ring is contacted with middle pipe spacing ring, it is described after the right end of pipe throw away the extreme degree of middle tube chamber and be defined.
In another specific embodiment of the present invention, opened in the side of the described first drum butterfly towards the described second drum butterfly
Abjusting spring support holes are roused equipped with a pair first, and in the second drum butterfly towards the first side for rousing butterfly and corresponding to a pair first
The position of drum abjusting spring support holes offers a pair second and rouses abjusting spring support holes, one end supporting of a pair of drum abjusting spring
Roused in a pair first in abjusting spring support holes, and the other end is supported on a pair second and rouses in abjusting spring support holes.
In another specific embodiment of the present invention, the first drum butterfly protecting against shock groove and the second drum butterfly protecting against shock
Groove is that arc-shaped slot and mutual length, width and depth are equal, and the pipe thickness of the middle pipe is and the first drum
What the width of butterfly protecting against shock groove and the second drum butterfly protecting against shock groove was adapted.
In another specific embodiment of the present invention, the first drum butterfly protecting against shock groove and the second drum butterfly protecting against shock
The depth of groove is 0.2-0.8.mm.
The present invention also have a specific embodiment in, in the rear the right end of pipe and positioned at rear tube chamber rear pipe
Being formed in chamber cavity wall has impact head that internal thread is coupled, and the left end of the impact head probes into rear tube chamber and in the left end of the impact head
Being formed on outer wall has impact head external screw thread, and the impact head external screw thread with impact head mating internal thread fix each other by thread fitting.
In a still more specific embodiment of the invention, the unlocking mechanism includes support cap, trip lever is fixed
The left end of seat, unblock button, unlock spring and trip lever, support cap and the outer tube is coupled and is insinuated into the outer lumen
Interior, which has a unlock spring cavity, the middle position of support cap bottom wall of the trip lever fixed seat with being opened in support cap
Trip lever fixed seat matching hole be slidably matched, unblock button correspond to unlock spring cavity position set, unlock spring be located at
Unlock in spring cavity, one end of the unlock spring is supported on unblock button towards the side of trip lever fixed seat, and unlocks spring
The other end be supported on the support cap bottom wall and be located at towards the side of unlock spring cavity, trip lever in the outer lumen,
The left end of the trip lever, which is formed, a screw head, which screws in trip lever fixed seat and unblock button successively, is unlocking
The right end of bar is formed with a trip lever guide head, the trip lever guide head and the first drum butterfly solution lockhole and the second drum butterfly
It is corresponding to solve lockhole.
The present invention's and then in a specific embodiment, in the unblock button towards the trip lever fixed seat
The middle position of side is extended with unblock button connecting seat, offered in the axial center of the unblock button connecting seat unlock by
Button connecting seat screw head connection screw thread hole, being formed in the middle position of the trip lever fixed seat has a fixed seat screw hole, institute
The screw head for stating trip lever screws in fixed seat screw hole and unblock button connecting seat screw head connection screw thread hole, the solution successively
One end of lock spring is nested with unblock button connecting seat.
The unlock spring is volute spring in yet a further embodiment of the present invention.
It is fixed outside the outer tube to be equipped with a sheath in the present invention again and then in a specific embodiment, at this
The outer surface of sheath is formed with slip preventing fringe.
Technical solution provided by the invention has technical effect that：Due on first, second drum butterfly and right respectively
The position that vallecular cavity right chamber wall should be slided in first, second drum butterfly has opened up first, second drum butterfly protecting against shock groove, thus in middle pipe
Right end be thrown out of outer lumen and in the state of tube chamber during the right end of rear pipe is thrown out of by impact head to vehicle or building
During the object impact of door and window etc, vallecular cavity right chamber wall is slided in the position pair corresponding to the first drum butterfly protecting against shock groove by the first drum butterfly
First drum butterfly stops, while slides vallecular cavity right chamber wall in the position corresponding to the second drum butterfly protecting against shock groove to second by the second drum butterfly
Drum butterfly stops, avoids first, second drum butterfly from overcoming the spring force of a pair of of drum abjusting spring to produce under the induction of unlocking mechanism opposite
Displacement and the improper unlocked condition for exiting middle pipe lock slots, it is ensured that the left end of middle pipe and the right end positive lock of outer tube, rear pipe
Left end and the right end of middle pipe can be by positive lock with example.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention schematic diagram.
Fig. 2 is the detailed structure view of the middle pipe locking mechanism shown in Fig. 1.
Embodiment
In order to which the technical spirit and beneficial effect of the present invention is more clearly understood, applicant is below with embodiment
Mode elaborate, but the description to embodiment is not the limitation to the present invention program, any according to structure of the present invention
Think made only formal but not substantive equivalent transformation and be regarded as technical scheme category.
The concept of the every directionality for being related to left and right etc or directionality is in accordance with Fig. 1 institutes in the following description
For the location status at place, thus it cannot be understood as being particularly limited to technical solution provided by the invention.
Fig. 1 is referred to, shows an outer tube 1, the right end in the outer lumen 11 of the outer tube 1 and the circle around outer lumen 11
Circumferential direction offers the middle pipe lock slots 111 on a cavity wall surface for being depressed in outer lumen 11；Show a middle pipe 2, the middle pipe 2 with
Foregoing outer lumen 11, which is slided, matches somebody with somebody（Also can claim " plug coordinates "）, the middle tube chamber 21 of the middle pipe 2 right end and surround middle pipe
The circumferencial direction of chamber 21 offers the rear pipe lock slots 211 on a cavity wall surface for being depressed in middle tube chamber；Pipe 3 after showing one, should
Pipe 3 is slidably matched with foregoing middle tube chamber 21 afterwards（Also can claim " plug coordinates "）；Show a middle pipe locking mechanism 4, middle pipe lock
Determine mechanism 4 and be arranged on the left end of foregoing middle pipe 2 and in the right end of middle pipe 2 is thrown out of in the state of foregoing outer lumen 11 by this
Pipe locking mechanism 4 probes into foregoing middle pipe lock slots 111 and locks the right end of the left end of middle pipe 2 and foregoing outer tube 1；After showing one
Pipe locking mechanism 5, the rear pipe locking mechanism 5 be arranged on it is foregoing after pipe 3 left end and rear pipe 3 right end be thrown out of it is foregoing in
Foregoing rear pipe lock slots 211 are probeed into by the left end of rear pipe 3 and foregoing middle pipe 2 by the rear pipe locking mechanism 5 in the state of tube chamber 21
Right end locking；Show that one is used to make foregoing middle pipe locking mechanism 4 exit foregoing middle pipe lock slots 111 and use releasing middle pipe
Locking relation between the right end of 2 left end and foregoing outer tube 1 and make it is foregoing after pipe locking mechanism 5 exit it is foregoing after pipe locking
The unlocking mechanism 6 of locking relation between the left end of pipe 3 and the right end of foregoing middle pipe 2, the solution lock machine after groove 211 and using releases
Structure 6 is arranged on the left end end of outer tube 1 and is engaged with middle pipe locking mechanism 4 and rear pipe locking mechanism 5（Also " phase can be claimed
It is corresponding "）；Show an impact head 7, which is arranged on the right end end of foregoing rear pipe 3.
Foregoing outer tube 1, middle pipe 2 and rear pipe 3 preferably uses aerometal aluminium（Also referred to as " aerolite "）Make, but
Also it can adopt and be made with stainless steel or other equivalent materials., can be with thermally treated in addition, it is contemplated that the resistance to beating effect of rear pipe 3
Structural alloy steel serve as after pipe 3.
The left end of pipe 2 is offered for making foregoing middle tube chamber 21 communicate what is communicated with outer lumen 11 with the external world in the preamble
First drum butterfly slides the drum butterfly of vallecular cavity 22 and 1 second and slides vallecular cavity 23, which slides vallecular cavity 22 and second and rouse butterfly slip
Vallecular cavity 23 keeps aspectant position relationship each other around the circumferencial direction of middle pipe 2, and the left end of pipe 3, which offers, after foregoing is used for
The rear tube chamber 31 of pipe 3 communicates communicated with middle tube chamber 21 one the 3rd drum butterfly with the external world and slides the drum butterfly of vallecular cavity 32 and 1 the 4th after making
Vallecular cavity 33 is slided, the 3rd drum butterfly slides vallecular cavity 32 and the 4th and rouses the circumferencial direction of pipe 3 after butterfly slip vallecular cavity 33 surrounds each other
Keep aspectant position relationship, foregoing middle pipe locking mechanism 4 correspond at the same time the foregoing first drum butterfly slide vallecular cavity 22 with
And second drum butterfly slide the position of vallecular cavity 23 and be arranged on the left end of foregoing middle pipe 2, foregoing rear pipe locking mechanism 5 corresponds at the same time
In the foregoing 3rd drum butterfly slide vallecular cavity 32 and the 4th rouse butterfly slide vallecular cavity 33 position be arranged on it is foregoing after pipe 3 left end and
The structure of the rear pipe locking mechanism 5 is identical with the structure of middle pipe locking mechanism 4.
As noted previously, as the structure of rear pipe locking mechanism 5 is identical with the structure of middle pipe locking mechanism 4, and rear pipe lock
Lock mode that mechanism 5 locks the right end of the left end of rear pipe 3 and middle pipe 2 is determined completely with middle pipe locking mechanism 4 by a left side for middle pipe 2
End is identical with the lock mode that the right end of outer tube 1 locks, thus applicant below only makees specifically middle pipe locking mechanism 4
It is bright.
Refer to Fig. 2 and combine Fig. 1, foregoing middle pipe locking mechanism 4 includes the first drum butterfly 42（Also " the first braking can be claimed
Block ", it is the same below）, the second drum butterfly 43 and a pair of of drum abjusting spring 44（Also can claim " the second brake block ", it is the same below）, the first drum butterfly 42
（Material is steel）Vallecular cavity 22 is slided with foregoing first drum butterfly to be slidably matched, in the first drum butterfly 42 towards foregoing middle tube chamber 21
Side be extended with one first drum butterfly ear 421, offer one first drum butterfly solution lockhole in middle position of the first drum butterfly ear 421
4211, and the first drum butterfly protecting against shock groove for having a right surface for being depressed in the first drum butterfly 42 is formed on the right side of the first drum butterfly 42
422, the first drum butterfly protecting against shock groove 422 is opposite with the first drum butterfly slip vallecular cavity right chamber wall 221 that the first drum butterfly slides vallecular cavity 22
Should, the second drum butterfly 43（Material is steel）Vallecular cavity 23 is slided with the second foregoing drum butterfly to be slidably matched, in 43 court of the second drum butterfly
One second drum butterfly ear 431 is extended with to the side of foregoing middle pipe chamber 21, on the second drum butterfly ear 431 and corresponding to foregoing
The position of first drum butterfly solution lockhole 4211 offers one second drum butterfly solution lockhole 4311, and being formed on the right side of the second drum butterfly 43 has one
The second drum butterfly protecting against shock groove 432 on the right surface of the second drum butterfly 43 is depressed in, the second drum butterfly protecting against shock groove 432 and the second drum butterfly
Sliding the second drum butterfly of vallecular cavity 23, to slide vallecular cavity right chamber wall 231 corresponding, a pair of drum abjusting spring 44 be supported on the first drum butterfly 42 with
Between second drum butterfly 43.
As preferable scheme and as shown in Figure 2, the first drum butterfly ear 431 has a pair to correspond to each other up and down, this is to the
The first drum butterfly ear that space between one drum butterfly ear 431 is configured to be bumped into for the first drum butterfly ear 421 is bumped into chamber 4312.
When the right end of foregoing middle pipe 2 is thrown out of foregoing outer lumen 11, the foregoing first drum butterfly 42 and second rouses butterfly 43
Lean out the first foregoing drum butterfly respectively under the active force of foregoing a pair of drum abjusting spring 44 and slide the drum butterfly of vallecular cavity 22 and second
Slide vallecular cavity 23 and lock the right end of the left end of middle pipe 2 and outer tube 1 while probeing into foregoing middle pipe lock slots 111, and it is preceding
State the first drum butterfly protecting against shock groove 422 and remain and slide 221 corresponding state of vallecular cavity right chamber wall and preceding with the foregoing first drum butterfly
State the second drum butterfly protecting against shock groove 432 and remain and slide 231 corresponding state of vallecular cavity right chamber wall with the foregoing second drum butterfly, it is foregoing
Unlocking mechanism 6 is corresponding with the first foregoing drum butterfly solution lockhole 4211 and the second drum butterfly solution lockhole 4311.
Continue to see Fig. 1 and Fig. 2, the right end in foregoing outer tube 1 and the cavity wall positioned at foregoing outer lumen 11（Inner wall）On enclose
An outer tube tune gap ring 12 and an outer tube spacing ring 13 are embedded with around the circumferencial direction of cavity wall, which is located at outer tube tune
The left side of gap ring 12, is embedded with middle pipe baffle ring on the outer wall of the left end of pipe 2 and around the circumferencial direction of middle pipe 2 in the preamble
24a（The present embodiment is three）With the left tune gap ring 24b of middle pipe（The present embodiment is one）, middle pipe baffle ring 24a corresponds to foregoing outer
The left side of pipe spacing ring 13, and the left left side for adjusting gap ring 24b to correspond to middle pipe baffle ring 24a of middle pipe, when middle pipe baffle ring 24a and outer tube
When spacing ring 13 contacts, then show that the right end of foregoing middle pipe 2 throws away the extreme degree of outer lumen 11 and is defined, that is to say, that middle pipe
2 cannot stretch to outside outer lumen 11 again, otherwise can throw away outer tube 1.Replace outer tube tune gap ring 12 and the left tune gap ring 24b of middle pipe can be true
Protect the effect that is slidably matched of middle pipe 2 and outer lumen 11.
In the preamble the right end of pipe 2 and positioned at foregoing middle tube chamber 21 cavity wall（Inner wall）The upper circumferencial direction around cavity wall
A middle pipe spacing ring 25a and the right tune gap ring 25b of a middle pipe are embedded with, the right tune gap ring 25b of the middle pipe is located at middle pipe spacing ring 25a's
Right side, pipe baffle ring 34a after the circumferencial direction of pipe 3 is embedded with after foregoing on the outer wall of the left end of pipe 3 and after surrounding（This implementation
Example is three）With one after pipe tune gap ring 34b, the left side of pipe baffle ring 34a after which is located at, when after pipe baffle ring
When 34a is contacted with middle pipe spacing ring 25a, then show it is foregoing after the right end of pipe 3 throw away the extreme degree of middle tube chamber 21 and be defined,
That is rear pipe 3 cannot be stretched to outside middle tube chamber 21 again, middle pipe 2 otherwise can be thrown away.Replace the right tune gap ring 25b of middle pipe and rear pipe
The effect that is slidably matched of pipe 3 and middle tube chamber 21 after tune gap ring 34b can ensure that.
Please emphasis see Fig. 2, foregoing first drum butterfly 42 towards foregoing second drum butterfly 43 side offer a pair first rouse
Abjusting spring support holes 423, and towards the side of the first drum butterfly 42 and rousing butterfly bullet corresponding to a pair first in the second drum butterfly 43
The position of spring support holes 423 offers a pair second and rouses abjusting spring support holes 433, one end branch of foregoing a pair of drum abjusting spring 44
Hold and roused in a pair first in abjusting spring support holes 423, and the other end is supported on a pair second and rouses in abjusting spring support holes 433.
In the present embodiment, foregoing first drum butterfly protecting against shock groove 422 and the second drum butterfly protecting against shock groove 432 are arc-shaped
Groove and mutual length, width and depth are equal, and the pipe thickness of foregoing middle pipe 2 is and the first drum butterfly protecting against shock groove
422 and second the width of drum butterfly protecting against shock groove 432 be adapted.
In the present embodiment, the depth of foregoing first drum butterfly protecting against shock groove 422 and the second drum butterfly protecting against shock groove 432 is respectively
0.2 to 0.8mm, it is preferably 0.2-0.5mm, is preferably 0.2-0.3mm, preferably 0.25mm, the present embodiment 0.25mm.
Dismounted during time-based maintenance in order to prevent（Dismounting and assembling）When, a pair of drum abjusting spring 44 produces bullet
The situation for going out and losing, therefore preferable scheme is used as, can be by a pair of abjusting spring 44 that rouses towards one end of the foregoing first drum butterfly 42
And fixed in the position that abjusting spring support holes 423 are roused corresponding to a pair first with the first drum butterfly 42, or a pair is roused into butterfly bullet
Spring 44 is fixed in the position that abjusting spring support holes 433 are roused corresponding to a pair second with the second drum butterfly 43.
Referring to Fig.1, being formed on the right end of foregoing rear pipe 3 and the rear tube chamber cavity wall positioned at rear tube chamber 31 has impact head to match somebody with somebody
Internal thread 35 is connect, the left end of aforementioned impact first 7, which probes into rear tube chamber 31 and formed on the left end outer wall of the impact head 7, impact
Head external screw thread 71, the impact head external screw thread 71 with impact head mating internal thread 35 fix each other by thread fitting.
As preferable scheme and as shown in Figure 1, on the 31 left end inner wall of rear tube chamber of foregoing rear pipe 3 and in correspondence
The position in the left side of pipe locking mechanism 5 is machined with trip lever guide holder mating internal thread 36 after foregoing, corresponding to the unlock
The position screw thread of bar guide holder mating internal thread 36, which is matched somebody with somebody, is connected to a trip lever guide holder 361, in the trip lever guide holder 361
Centre position offers a trip lever guide head pilot hole 3611, and the trip lever guide head pilot hole 3611 is at the same time with foregoing the
First, the second drum butterfly ear solution lockhole 4211,4311 is corresponding.
Please continue to refer to Fig. 1, foregoing unlocking mechanism 6 includes support cap 61, trip lever fixed seat 62, unblock button 63, solution
Lock spring 64 and trip lever 65（Also can claim " tappet " or " very core ", it is the same below）, support cap 61 and the left end of foregoing outer tube 1 are coupled
And it is insinuated into foregoing outer lumen 11, which has a unlock spring cavity 611, and trip lever fixed seat 62 is with being opened in
The trip lever fixed seat matching hole 6121 of the middle position of the support cap bottom wall 612 of support cap 61 is slidably matched, unblock button 63
Being set corresponding to the position of unlock spring cavity 611, unlock spring 64 is in unlock spring cavity 611, and the one of the unlock spring 64
End is supported on unblock button 63 towards the side of trip lever fixed seat 62, and the other end for unlocking spring 64 is supported on foregoing supporting
Base wall 612 is towards the side of unlock spring cavity 611, and trip lever 65 is located in foregoing outer lumen 11, in the trip lever 65
Left end, which is formed, a screw head 651, which screws in trip lever fixed seat 62 and unblock button 63 successively, is unlocking
Trip lever guide head 652 of the right end of bar 65 formed with a taper, the trip lever guide head 652 correspond to the foregoing first drum butterfly solution
Lockhole 4211 and second rouses butterfly solution lockhole 4311 and also corresponds to foregoing trip lever guide head pilot hole 3611 at the same time.By
This understands：First, second drum butterfly solution lockhole 4211,4311 and trip lever guide head pilot hole 3611 are located at same center line
On, i.e. the center of three is identical.
As shown in Figure 1, extend in the middle position of foregoing unblock button 63 towards the side of foregoing trip lever fixed seat 62
There is unblock button connecting seat 631, a unblock button connecting seat screw rod is offered in the axial center of the unblock button connecting seat 631
Head connection screw thread hole 6311, being formed in the middle position of foregoing trip lever fixed seat 62 has a fixed seat screw hole 621, foregoing solution
The screw head 651 of locking bar 65 screws in fixed seat screw hole 621 and unblock button connecting seat screw head connection screw thread hole successively
6311, one end of foregoing unlock spring 64 is nested with（I.e. empty set exists）On unblock button connecting seat 631.
From the signal of Fig. 1, foregoing unlock spring 64 is volute spring, and industry is also accustomed to volute spring being known as treasured
Turriform spring.
It is fixed outside foregoing outer tube 1 to be equipped with a sheath 14 as preferable scheme, formed in the outer surface of the sheath 14
There is slip preventing fringe.In the present embodiment, foregoing sheath 14 is the plastics or nylon sheath wire of black, in plastics or nylon sheath wire
Outer surface is formed with slip preventing fringe.But if being used as sheath 14 by the use of cloth set, then should be considered as equivalent.
Applicant combines the use of Fig. 1 and Fig. 2 summary present invention, as the present invention to be enabled, grasps outer tube 1, i.e.,
Sheath 14 is held, then makees laterally or make the action got rid of downwards with sudden force, at this time, the right end speed of middle pipe 2 is i.e. outside from outer lumen 11
Stretch out, while i.e. therefrom tube chamber 21 is protruding for the right end speed of rear pipe 3.In this condition, rushed once running into needs by impact head 7
When hitting vehicle glass or the situation of building door glass pane or similar object, then impacted by impact head 7.In this process, by
In the effect of impact force or impulse inertia, play often occurs in the trip lever 65 of unlocking mechanism 6, specifically：Work as unlock
During 65 right lateral of bar, can overcome unlock spring 64 spring force and drawstring（Drive）Trip lever fixed seat 62 and unblock button 63
Unblock button connecting seat 631, makes trip lever 65 produce improper displacement, and the trip lever guide head 652 of trip lever 65 is right
The position for the first, second drum butterfly solution lockhole 4211,4311 that Ying Yu coincides with one another forces the first drum butterfly 42 and the second drum butterfly 43
Occurs opposite displacement in the case where overcoming the situation of spring force of a pair of of drum abjusting spring 44, i.e., the first drum butterfly 42 and second rouses butterfly 43
Foregoing middle pipe lock slots 111, same example are exited in the position of periphery, and two bulging butterflies of the structural system of rear locking mechanism 5 can move back
Pipe lock slots 211 after going out, produce improper unlock.But structure of the present invention is not in the situation of foregoing improper unlock, i.e.,
The left end of pipe 3 and the right end of middle pipe 2 are reliable after being able to ensure that the left end of middle pipe 2 and the right end positive lock of outer tube 1 and ensuring
Locking, specifically, under the induction of the trip lever guide head 652 of the trip lever 65 of unlocking mechanism 6, gesture figure makes first, second
When drum butterfly 42,43 opposite displacement, then vallecular cavity right chamber wall 221 is slided corresponding to the first drum butterfly protecting against shock groove 422 by the first drum butterfly
Position the first drum butterfly 42 is controlled and vallecular cavity right chamber wall 231 is slided corresponding to the second drum butterfly protecting against shock groove by the second drum butterfly
432 position controls the second drum butterfly 43, and first, second drum butterfly 42,43 will not exit middle pipe lock slots 111, and rear pipe locks machine
5 same example of structure.Therefore be not in improper unlock in 7 fierce impacted object of impact head.And through applicant to the present invention into
Test is gone, in, rear pipe 2,3 is in and throws away under state pipe 3 after liftoff level ground 1.5m height free-electron model does not occur for ten times and contract
Enter the situation in 2 retraction outer lumen 11 of tube chamber 21 and middle pipe.
When with implementing to unlock after finishing, then press with finger the unblock button 63 of unlocking mechanism 6, make unblock button 63 gram
Displacement to the right under the reaction force of clothes unlock spring 64, unlock spring 63 is compressed, by unblock button 63 with trip lever fixed seat
The 62 direction displacement to outer lumen 11.Due to trip lever 65 right end screw head 651 at the same time with trip lever fixed seat 62 and
Unblock button 63 connects, thus in 63 displacement to the right of trip lever fixed seat 63 and unblock button, drives trip lever 65 to the right
Displacement, is directed at the effect of first, second drum butterfly ear solution lockhole 4211,4311 by the trip lever guide head 652 of trip lever 65, is overcoming
First, second drum butterfly 42,43 opposite displacements are forced under the spring-force driven dual of a pair of drum abjusting spring 44, that is, force first, second drum
Butterfly ear 421,431 opposite displacements, the first drum butterfly 42 and second rouses butterfly 43 and just exits middle pipe lock slots 111, when middle pipe 2 bounces back to
Almost being acted at the same time by trip lever guide head 652 two drum butterflies of rear pipe locking mechanism 5 in outer lumen 11, exits two drum butterflies
Middle pipe lock slots 211, just retraction bounces back in middle tube chamber 21 rear pipe 3, and the distal portion dew of only impact head 7 is naked in middle tube chamber 21
Outside.
Applicant it should be noted that：Although describing outer tube 1, middle pipe 2 and rear pipe 3 three pipes in the present invention,
But if increasing the quantity of pipe on the basis of present disclosure, then equivalent technological means should be considered as.
In conclusion technical solution provided by the invention compensate for the shortcoming in prior art, invention has been favorably accomplished
Task, has faithfully fulfilled the technique effect that applicant refers in technical effect column above.
Claims (10)
1. a kind of Telescopic spontoon, including an outer tube (1), the outer lumen (11) of the outer tube (1) right end and surround outer tube
The circumferencial direction of chamber (11) offers the middle pipe lock slots (111) on a cavity wall surface for being depressed in outer lumen (11)；One middle pipe
(2), which is slidably matched with the outer lumen (11), the middle tube chamber (21) of the middle pipe (2) right end and surround
The circumferencial direction of middle tube chamber (21) offers the rear pipe lock slots (211) on a cavity wall surface for being depressed in middle tube chamber (21)；After one
Manage (3), which is slidably matched with the middle tube chamber (21)；One middle pipe locking mechanism (4), the middle pipe locking mechanism (4) are set
Put the left end in the middle pipe (2) and the right end in middle pipe (2) is thrown out of in the state of the outer lumen (11) by the middle pipe
Locking mechanism (4) probes into the middle pipe lock slots (111) and locks the right end of the left end of middle pipe (2) and the outer tube (1)；After one
Pipe locking mechanism (5), which is set manages the left end of (3) and is got rid of in the right end of rear pipe (3) in the rear
Go out in the state of the middle tube chamber (21) and rear pipe lock slots (211) pipe (3) by after is probeed into by the rear pipe locking mechanism (5)
Left end and the right end of the middle pipe (2) lock；One is used to make the middle pipe locking mechanism (4) exit the middle pipe lock slots
(111) use the locking relation between the right end of the left end and the outer tube (1) that release middle pipe (2) and lock the rear pipe
Determine mechanism (5) exit it is described after pipe lock slots (211) and using release after manage (3) left end and the middle pipe (2) right end it
Between locking relation unlocking mechanism (6), the unlocking mechanism (6) be arranged on the left end end of outer tube (1) and with middle pipe lock
Mechanism (4) and rear pipe locking mechanism (5) are engaged；One impact head (7), the impact head (7) set the right side for managing (3) in the rear
End is held, wherein：The first drum butterfly for making the middle tube chamber (21) be communicated with the external world is offered in the left end of the middle pipe (2)
Slide vallecular cavity (22) and one second drum butterfly slides vallecular cavity (23), which slides vallecular cavity (22) and the second drum butterfly sliding groove
Chamber (23) keeps aspectant position relationship each other around the circumferencial direction of middle pipe (2), and the left end for managing (3) in the rear offers
One the 3rd drum butterfly that rear tube chamber (31) for managing (3) after making is communicated with the external world slides vallecular cavity (32) and one the 4th drum butterfly sliding groove
Chamber (33), the 3rd drum butterfly slide vallecular cavity (32) and the 4th drum butterfly slide vallecular cavity (33) surround after manage (3) circumferencial direction that
This keeps aspectant position relationship, and the middle pipe locking mechanism (4) corresponds to the described first drum butterfly and slides vallecular cavity at the same time
(22) and the second drum butterfly slides the position of vallecular cavity (23) and is arranged on the left ends of the middle pipe (2), the rear pipe locking mechanism
(5) position for corresponding to the described 3rd drum butterfly slip vallecular cavity (32) and the 4th drum butterfly slip vallecular cavity (33) at the same time is arranged on institute
It is identical with the structure of middle pipe locking mechanism (4) that the structure of the left end of (3) and the rear pipe locking mechanism (5) is managed after stating, its feature
It is that the middle pipe locking mechanism (4) includes the first drum butterfly (42), the second drum butterfly (43) and a pair of of drum abjusting spring (44), the first drum
Butterfly (42) slides vallecular cavity (22) with described first drum butterfly and is slidably matched, in the first drum butterfly (42) towards the middle tube chamber (21)
Side be extended with one first drum butterfly ear (421), this first drum butterfly ear (421) middle position offer one first drum butterfly solution
Lockhole (4211), and the first drum for having a right surface for being depressed in the first drum butterfly (42) is formed on the right side of the first drum butterfly (42)
Butterfly protecting against shock groove (422), the first drum butterfly protecting against shock groove (422) slide the first drum butterfly sliding groove of vallecular cavity (22) with the first drum butterfly
Chamber right chamber wall (221) is corresponding, and the second drum butterfly (43) is slidably matched with described second drum butterfly slip vallecular cavity (23), this second
The side of drum butterfly (43) towards the middle tube chamber (21) is extended with one second drum butterfly ear (431), on the second drum butterfly ear (431)
And one second drum butterfly solution lockhole (4311) is offered in the position corresponding to the described first drum butterfly solution lockhole (4211), second
The right side of drum butterfly (43) forms the second drum butterfly protecting against shock groove (432) for having a right surface for being depressed in the second drum butterfly (43), this
The second drum butterfly slip vallecular cavity right chamber wall (231) that two drum butterfly protecting against shock grooves (432) slide vallecular cavity (23) with the second drum butterfly is corresponding,
A pair of drum abjusting spring (44) is supported between the first drum butterfly (42) and the second drum butterfly (43), when the right end of the middle pipe (2) is got rid of
When going out the outer lumen (11), the described first drum butterfly (42) and the second drum butterfly (43) are in a pair of drum abjusting spring (44)
Active force under lean out respectively the first drum butterfly slide vallecular cavity (22) and the second drum butterfly slide vallecular cavity (23) while
The middle pipe lock slots (111) are probeed into lock the right end of the left end of middle pipe (2) and outer tube (1), and the first drum butterfly prevents
Punching groove (422) remains slides the corresponding state of vallecular cavity right chamber wall (221) and second drum with the described first drum butterfly
Butterfly protecting against shock groove (432) remains slides vallecular cavity right chamber wall (231) corresponding state, the unlock with the described second drum butterfly
Mechanism (6) is corresponding with the first drum butterfly solution lockhole (4211) and the second drum butterfly solution lockhole (4311).
2. Telescopic spontoon according to claim 1, it is characterised in that the outer tube (1) right end and positioned at described
Circumferencial direction in the cavity wall of outer lumen (11) around cavity wall is embedded with an outer tube tune gap ring (12) and an outer tube spacing ring (13),
The outer tube spacing ring (13) is located at the left side of outer tube tune gap ring (12), on the outer wall of the left end of the middle pipe (2) and surrounds
The circumferencial direction of middle pipe (2) is embedded with middle pipe baffle ring (24a) and the left tune gap ring (24b) of middle pipe, and middle pipe baffle ring (24a) corresponds to institute
The left side of outer tube spacing ring (13) is stated, and the left tune gap ring (24b) of middle pipe corresponds to the left side of middle pipe baffle ring (24a), when middle pipe is kept off
Circle (24a) is with outer tube spacing ring (13) when contacting, and the extreme degree that the right end of the middle pipe (2) throws away outer lumen (11) is limited
It is fixed；Circumferencial direction on right end in the middle pipe (2) and the cavity wall positioned at the middle tube chamber (21) around cavity wall is embedded with
One middle pipe spacing ring (25a) and the right tune gap ring (25b) of a middle pipe, the middle pipe is right to adjust gap ring (25b) to be located at middle pipe spacing ring (25a)
Right side, managed on the outer wall for the left end for managing (3) in the rear and after surrounding (3) circumferencial direction be embedded with after pipe baffle ring
(34a) and rear pipe tune gap ring (34b), the left side of pipe baffle ring (34a) after which is located at, when after pipe baffle ring
When (34a) is contacted with middle pipe spacing ring (25a), the extreme degree that the rear right end for managing (3) throws away middle tube chamber (21) is defined.
3. Telescopic spontoon according to claim 1, it is characterised in that rouse butterfly (42) towards described second described first
The side of drum butterfly (43) offers a pair first and rouses abjusting spring support holes (423), and rouses butterfly towards first in the second drum butterfly (43)
(42) side and offer a pair second in the position that abjusting spring support holes (423) are roused corresponding to a pair first and rouse abjusting spring
Support holes (433), one end of a pair of drum abjusting spring (44) are supported on a pair first and rouse in abjusting spring support holes (423),
And the other end is supported on a pair second and rouses in abjusting spring support holes (433).
4. Telescopic spontoon according to claim 1, it is characterised in that the first drum butterfly protecting against shock groove (422) and the
Two drum butterfly protecting against shock grooves (432) are that arc-shaped slot and mutual length, width and depth are equal, the middle pipe (2)
Pipe thickness be with first drum butterfly protecting against shock groove (422) and second drum butterfly protecting against shock groove (432) width be adapted.
5. Telescopic spontoon according to claim 4, it is characterised in that the first drum butterfly protecting against shock groove (422) and the
The depth of two drum butterfly protecting against shock grooves (432) is 0.2-0.8mm.
6. Telescopic spontoon according to claim 1, it is characterised in that manage the right end of (3) in the rear and managed after being located at
Being formed in the rear tube chamber cavity wall of chamber (31) has impact head that internal thread (35) is coupled, and the left end of the impact head (7) probes into rear tube chamber
(31) forming and on the left end outer wall of the impact head (7) has impact head external screw thread (71), the impact head external screw thread (71) with
Impact head mating internal thread (35) each other fix by thread fitting.
7. Telescopic spontoon according to claim 1, it is characterised in that the unlocking mechanism (6) includes support cap
(61), trip lever fixed seat (62), unblock button (63), unlock spring (64) and trip lever (65), support cap (61) with it is described
The left end of outer tube (1) is coupled and is insinuated into the outer lumen (11), which has a unlock spring cavity
(611), the trip lever of the middle position of support cap bottom wall (612) of the trip lever fixed seat (62) with being opened in support cap (61) is consolidated
Reservation matching hole (6121) is slidably matched, and the position that unblock button (63) corresponds to unlock spring cavity (611) is set, and unlocks spring
(64) in unlock spring cavity (611), one end of the unlock spring (64) is supported on unblock button (63) and consolidates towards trip lever
The side of reservation (62), and the other end for unlocking spring (64) is supported on the support cap bottom wall (612) towards unlock spring cavity
(611) side, trip lever (65) are located in the outer lumen (11), and being formed in the left end of the trip lever (65) has a screw rod
Head (651), which screws in trip lever fixed seat (62) and unblock button (63) successively, in trip lever (65)
Right end is formed with a trip lever guide head (652), the trip lever guide head (652) and the first drum butterfly solution lockhole (4211)
And second drum butterfly solution lockhole (4311) it is corresponding.
8. Telescopic spontoon according to claim 7, it is characterised in that in the unblock button (63) towards the unlock
The middle position of the side of bar fixed seat (62) is extended with unblock button connecting seat (631), in the unblock button connecting seat (631)
Axial center offer a unblock button connecting seat screw head connection screw thread hole (6311), in the trip lever fixed seat (62)
Middle position form have a fixed seat screw hole (621), the screw head (651) of the trip lever (65) screws in fixed seat successively
Screw hole (621) and unblock button connecting seat screw head connection screw thread hole (6311), an end cap of the unlock spring (64)
Put on unblock button connecting seat (631).
9. the Telescopic spontoon according to claim 7 or 8, it is characterised in that the unlock spring (64) is Conical Projectile
Spring.
10. according to the Telescopic spontoon described in claim 1 or 2 or 7, it is characterised in that fixed outside the outer tube (1) to set
There is a sheath (14), in the outer surface of the sheath (14) formed with slip preventing fringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269991.7A CN106918267B (en) | 2017-04-24 | 2017-04-24 | Telescopic spontoon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269991.7A CN106918267B (en) | 2017-04-24 | 2017-04-24 | Telescopic spontoon |
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| CN106918267A CN106918267A (en) | 2017-07-04 |
| CN106918267B true CN106918267B (en) | 2018-04-20 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180785B (en) * | 2017-12-31 | 2021-02-26 | 广州慈宇安防科技有限公司 | Reverse stretching unblock baton that stretches out and draws back |
| CN108050885B (en) * | 2017-12-31 | 2021-02-26 | 广州慈宇安防科技有限公司 | Telescopic control mechanism of spontoon |
| CN108871054B (en) * | 2018-04-24 | 2024-05-28 | 广州慈宇安防科技有限公司 | Telescopic reverse-pulling unlocking spontoon with auxiliary parts |
| CN108426485B (en) * | 2018-04-24 | 2024-02-09 | 广州慈宇安防科技有限公司 | Telescopic spontoon based on telescopic reverse-pulling unlocking mechanism |
| CN108801050A (en) * | 2018-08-09 | 2018-11-13 | 温州弘德仪器科技有限公司 | A kind of spontoon of improvement |
| CN111076610B (en) * | 2020-01-15 | 2024-05-28 | 常熟市吉宏精密机械有限公司 | Drum butterfly and pipe locking groove matching structure of telescopic spontoon |
| CN112726718B (en) * | 2020-12-29 | 2022-10-11 | 浙江鹏诚建设有限公司 | Automatic cleaning device of river course desilting with antiwind structure |
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Effective date of registration: 20200720 Address after: Building 1, No. 2, Fuxing Road, Southeast Development Zone, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu Jihong Precision Machinery Co.,Ltd. Address before: 215542, Fuxing Road, 2 southeast development zone, Suzhou, Jiangsu, Changshou City (Tang city) Patentee before: CHANGSHU JIHONG AUTOMOBILE ELECTRONIC TECHNOLOGY Co.,Ltd. |