CN106918267A - Telescopic spontoon - Google Patents
Telescopic spontoon Download PDFInfo
- Publication number
- CN106918267A CN106918267A CN201710269991.7A CN201710269991A CN106918267A CN 106918267 A CN106918267 A CN 106918267A CN 201710269991 A CN201710269991 A CN 201710269991A CN 106918267 A CN106918267 A CN 106918267A
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- China
- Prior art keywords
- pipe
- drum butterfly
- drum
- butterfly
- middle 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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- Engineering & Computer Science (AREA)
- 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 drum abjusting springs, first drum butterfly slides vallecular cavity and is slidably matched with the first drum butterfly, there is the first drum butterfly ear first drum butterfly side of tube chamber in, there is the first drum butterfly solution lockhole the middle position of the 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 second drum butterfly side of tube chamber in, position on second drum butterfly ear and corresponding to the first drum butterfly solution lockhole sets the second 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 springs are supported between the first drum butterfly and the second drum butterfly.Ensure the left end of middle pipe and the right-hand member positive lock of outer tube, the left end of rear pipe can be by positive lock with example with the right-hand member of middle pipe.
Description
Technical field
The invention belongs to antiriot equipment technical field, and in particular to a kind of Telescopic spontoon.
Background technology
The alert 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, because 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 save, but be 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 personnel.But stretching in including the prior art including above mentioned patent
The following logical disadvantages of contracting formula baton generally existing：In the end by the baton in extended configuration to door and window or other similar object punchings
Improper retraction situation often occurs when hitting, causes baton to be difficult to or even cannot 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 " preceding pipe "）The end of pipe after making
During alignment door and window or other object impacts of end, under instant impact effect, the trip lever of unlocking mechanism（Custom claims " push rod "）
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, it is impossible to then force impact（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 it is improper to locking mechanism unlocked into public security department and
The technical problem for solving is expected by baton production firm, and technical scheme described below is produced under this background.
The content of the invention
Task of the invention is that a kind of trip lever appearance for helping to be avoided in moment impact unlocking mechanism of offer is right
The situation of the improper unblock of locking mechanism and use the Telescopic spontoon for meeting use requirement when serving as simple break-in tool.
What task of the invention was performed by, a kind of Telescopic spontoon, including an outer tube, in the outer lumen of the outer tube
Right-hand member and the circumferencial direction around outer lumen offers the middle pipe lock slots on a cavity wall surface for being depressed in outer lumen；In one
Pipe, pipe is slidably matched with described outer lumen in this, right-hand member in tube-in-tube chamber and around the circumferencial direction of middle tube chamber in this
Offer the rear pipe lock slots on a cavity wall surface for being depressed in middle tube chamber；Managed after one, the rear pipe is slidably matched with the middle tube chamber；
Pipe locking mechanism in one, pipe locking mechanism is arranged on the left end of the middle pipe and the right-hand member in middle pipe is thrown out of outside described in this
The middle pipe lock slots are probeed into the state of tube chamber by pipe locking mechanism in this to lock the left end of middle pipe with the right-hand member of the outer tube
It is fixed；Pipe locking mechanism after one, the rear pipe locking mechanism sets the left end of pipe in the rear and the right-hand member in rear pipe is thrown out of institute
State and the rear pipe lock slots are probeed into by the right side of the left end of rear pipe and the middle pipe by the rear pipe locking mechanism in the state of tube chamber
End locking；One be used to making the middle pipe locking mechanism exit the middle pipe lock slots and use release in pipe left end it is outer with described
Locking relation between the right-hand member of pipe and the rear pipe locking mechanism is exited the rear pipe lock slots and manage after using releasing
Left end and the right-hand member of the middle pipe between locking relation unlocking mechanism, the unlocking mechanism is arranged on the left end end of outer tube
And it is engaged with middle pipe locking mechanism and rear pipe locking mechanism；One impact head, the impact head sets the right side of pipe in the rear
End end, wherein：Offered for making the middle tube chamber with extraneous the first drum butterfly sliding groove for communicating in the left end of the middle pipe
Chamber and one second drum butterfly slide vallecular cavity, and the first drum butterfly slides vallecular cavity and the second drum butterfly slides vallecular cavity around the circumference side of middle pipe
Aspectant position relationship is kept to each other, and the rear tube chamber of pipe is communicated with the external world after the left end of pipe is offered for making in the rear
One the 3rd drum butterfly slide vallecular cavity and one the 4th drum butterfly slide vallecular cavity, the 3rd drum butterfly slide vallecular cavity and the 4th drum butterfly sliding groove
Chamber keeps aspectant position relationship, described middle pipe locking mechanism to correspond to institute at the same time each other around the circumferencial direction of rear pipe
State the first drum butterfly slip vallecular cavity and the second position for rousing butterfly slip vallecular cavity is arranged on the left end of the middle pipe, described rear pipe lock
Determine mechanism and slide vallecular cavity and the 4th position setting for rousing butterfly slip vallecular cavity in the rear corresponding to the described 3rd drum butterfly at the same time
The structure of the left end of pipe and the rear pipe locking mechanism is identical with the structure of middle pipe locking mechanism, is characterised by the middle pipe locking
Mechanism includes the first drum butterfly, the second drum butterfly and a pair of drum abjusting springs, and the first drum butterfly slides vallecular cavity and slides with the first described drum butterfly
Coordinate, one first drum butterfly ear is extended with towards the side of the middle tube chamber in the first drum butterfly, in the center of the first drum butterfly ear
Position offers one first drum butterfly solution lockhole, and has a right surface for being depressed in the first drum butterfly in the first right side composition for rousing butterfly
First drum butterfly protecting against shock groove, this first drum butterfly protecting against shock groove with first drum butterfly slide vallecular cavity first drum butterfly slip vallecular cavity right chamber
Wall is corresponding, and the second drum butterfly slides vallecular cavity and is slidably matched with the second described drum butterfly, in the second drum butterfly towards the middle tube chamber
Side be extended with one second drum butterfly ear, this second drum butterfly ear on and corresponding to described first drum butterfly solution lockhole position
One second drum butterfly solution lockhole is offered, being constituted on the right side of the second drum butterfly has second drum on a right surface for being depressed in the second drum butterfly
Butterfly protecting against shock groove, it is relative that the second drum butterfly protecting against shock groove slides vallecular cavity right chamber wall with the second drum butterfly that the second drum butterfly slides vallecular cavity
Should, a pair of drum abjusting springs are supported between the first drum butterfly and the second drum butterfly, when the right-hand member of the middle pipe is thrown out of the outer lumen
When, described the first drum butterfly and the second drum butterfly leans out described first respectively under a pair of described active forces of drum abjusting spring
Drum butterfly slide vallecular cavity and the second drum butterfly slide vallecular cavity while probe into described middle pipe lock slots by the left end of middle pipe with it is outer
Pipe right-hand member 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 the second drum butterfly protecting against shock groove remain and slide the corresponding state of vallecular cavity right chamber wall, institute with the described second drum butterfly
The unlocking mechanism stated is corresponding with the first described drum butterfly solution lockhole and the second drum butterfly solution lockhole.
In a specific embodiment of the invention, the outer tube right-hand member and positioned at the cavity wall of the outer lumen
On around cavity wall circumferencial direction be embedded with an outer tube adjust gap ring and an outer tube spacing ring, the outer tube spacing ring be located at outer tube adjust gap
The left side of ring, on the outer wall of the left end of the middle pipe and around the circumferencial direction of middle pipe be embedded with pipe back-up ring and middle Guan Zuo
Gap ring is adjusted, middle pipe back-up ring corresponds to the left side of the outer tube spacing ring, and middle pipe adjusts gap ring to correspond to the left side of middle pipe back-up ring, when
When middle pipe back-up ring is contacted with outer tube spacing ring, the extreme degree that the right-hand member of the middle pipe throws away outer lumen is defined；In described
The right-hand member of pipe and in the cavity wall of the middle tube chamber around the circumferencial direction of cavity wall be embedded with one in pipe spacing ring and
Pipe is right to adjust gap ring, the right right side for adjusting gap ring to be located at middle pipe spacing ring of pipe in this, on the outer wall of the left end of pipe and encloses in the rear
Around the circumferencial direction of rear pipe be embedded with after pipe back-up ring and rear pipe adjust gap ring, the rear pipe adjust gap ring to be located at after pipe back-up ring left side, when
When pipe back-up ring is contacted with middle pipe spacing ring afterwards, the extreme degree that the right-hand member of the outer tube throws away middle tube chamber is defined.
In another specific embodiment of the invention, opened towards the side of the described second drum butterfly in the described first drum butterfly
A pair first drum abjusting spring support holes are provided with, 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 drum abjusting spring support holes, and one end of a pair of described drum abjusting springs supports
Roused in abjusting spring support holes at a pair first, and the other end is supported in a pair second drum abjusting spring support holes.
In another specific embodiment of the invention, described first rouses butterfly protecting against shock groove and the second drum butterfly protecting against shock
Groove is 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 invention, described first rouses butterfly protecting against shock groove and the second drum butterfly protecting against shock
The depth of groove is 0.2-0.8.mm.
There is a specific embodiment of the invention, in the rear the right-hand member of pipe and positioned at the rear pipe of rear tube chamber
Being constituted in the cavity wall of chamber has impact head to connect internal thread, and the left end of the impact head probes into rear tube chamber and in the left end of the impact head
Being constituted on outer wall has impact head external screw thread, and the impact head external screw thread connects internal thread with impact head, and screw thread coordinates fixation each other.
Of the invention more and in a specific embodiment, described unlocking mechanism includes that support cap, trip lever are fixed
Seat, unblock button, unblock spring and trip lever, support cap are connected with the left end of the outer tube and are insinuated into the outer lumen
Interior, the support cap has a unblock spring cavity, the middle position of trip lever fixed seat and the support cap bottom wall for being opened in support cap
Trip lever fixed seat mating holes be slidably matched, unblock button correspond to unblock spring cavity position set, unblock spring be located at
In unblock spring cavity, one end of the springlock spring is supported on unblock button towards the side of trip lever fixed seat, and unlocks bullet
The other end of spring is supported on the support cap bottom wall towards the side of unblock spring cavity, and trip lever is located in described outer lumen,
Being constituted in the left end of the trip lever has a screw head, and the screw head screws in trip lever fixed seat and unblock button successively, in solution
The right-hand member of locking bar is formed with a trip lever guide head, and the trip lever guide head and described first rouses butterfly solution lockhole and the second drum
Butterfly solution lockhole is corresponding.
In an of the invention and then specific embodiment, in the unblock button towards the trip lever fixed seat
The middle position of side is extended with unblock button connecting seat, the axial center of the unblock button connecting seat offer a unblock by
Button connecting seat screw head connection screw thread hole, being constituted 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
The one end for locking spring is nested with unblock button connecting seat.
It is volute spring in unblock spring of the invention and more and in a specific embodiment, described.
It is of the invention and and then a specific embodiment in, a sheath is tightly arranged with outside described outer tube, at this
The outer surface of sheath is formed with slip preventing fringe.
The technical scheme that the present invention is provided 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-hand member be thrown out of outer lumen and in the state of tube chamber during the right-hand member 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 sliding 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
Butterfly stops drum, it is to avoid first, second drum butterfly overcomes a pair of spring forces of drum abjusting spring to produce in opposite directions under the induction of unlocking mechanism
Displacement simultaneously exits the improper unlocked condition of middle pipe lock slots, it is ensured that the left end of middle pipe and the right-hand member positive lock of outer tube, manages afterwards
Left end can be by positive lock with example with the right-hand member of middle pipe.
Brief description of the drawings
Fig. 1 is embodiments of the invention schematic diagram.
Fig. 2 is the detailed structure view of the middle pipe locking mechanism shown in Fig. 1.
Specific embodiment
In order to be more clearly understood from technical spirit of the invention and beneficial effect, applicant is below with embodiment
Mode elaborate, but be not the limitation to the present invention program to the description of embodiment, it is any according to structure of the present invention
Think done only formal rather than substantial equivalent transformation and be regarded as technical scheme category.
Every concept for being related to the directionality of left and right etc or directionality is in accordance with Fig. 1 institutes in the following description
For the location status at place, thus being particularly limited to the technical scheme of present invention offer can not be understood as.
Refer to Fig. 1, show an outer tube 1, the outer lumen 11 of the outer tube 1 right-hand member and around the circle of outer lumen 11
Circumferential direction offers the middle pipe lock slots 111 on a cavity wall surface for being depressed in outer lumen 11；Pipe 2 in showing one, in this pipe 2 with
Foregoing outer lumen 11 is slided and matched somebody with somebody（Also can claim " plug coordinates "）, right-hand member of tube chamber 21 and around middle tube chamber in pipe 2 in this
21 circumferencial direction offers the rear pipe lock slots 211 on a cavity wall surface for being depressed in middle tube chamber；Pipe 3 after showing one, after this
Pipe 3 is slidably matched with foregoing middle tube chamber 21（Also can claim " plug coordinates "）；Pipe locking mechanism 4 in showing one, pipe locking in this
Managed by this in the state of mechanism 4 sets the left end of pipe 2 in the preamble and the right-hand member in middle pipe 2 is thrown out of foregoing outer lumen 11
Locking mechanism 4 probes into foregoing middle pipe lock slots 111 and the left end of middle pipe 2 is locked with the right-hand member of foregoing outer tube 1；Managed after showing one
Locking mechanism 5, the rear pipe locking mechanism 5 is arranged on the left end of foregoing rear pipe 3 and the right-hand member in rear pipe 3 is thrown out of foregoing middle pipe
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 chamber 21
Right-hand member is locked；Show that one uses pipe 2 in releasing for making foregoing middle pipe locking mechanism 4 exit foregoing middle pipe lock slots 111
Left end and the right-hand member of foregoing outer tube 1 between locking relation and make foregoing rear pipe locking mechanism 5 exit foregoing rear pipe to lock
Groove 211 and using release after locking relation between the left end of pipe 3 and the right-hand member of foregoing middle pipe 2 unlocking mechanism 6, the solution lock machine
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
Correspondence "）；An impact head 7 is shown, the impact head 7 is arranged on the right-hand member end of foregoing rear pipe 3.
Foregoing outer tube 1, middle pipe 2 and rear pipe 3 preferably use aerometal aluminium（Also referred to as " aerolite "）Make, but
Also can adopt and be made with stainless steel or other equivalent materials.In addition, it is contemplated that the resistance to beating effect of rear pipe 3, can be with thermally treated
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, and the first drum butterfly slides the drum butterfly of vallecular cavity 22 and second and slides
Vallecular cavity 23 keeps aspectant position relationship each other around the circumferencial direction of middle pipe 2, the left end of foregoing rear pipe 3 offer for
The rear tube chamber 31 of pipe 3 communicates one the 3rd drum butterfly for being communicated with middle tube chamber 21 with the external world and slides the drum butterfly of vallecular cavity 32 and the 4th after making
Slide vallecular cavity 33, the 3rd drum butterfly slide vallecular cavity 32 and the 4th drum butterfly slide vallecular cavity 33 around rear pipe 3 circumferencial direction 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 left end of pipe 2 in the preamble be set, foregoing rear pipe locking mechanism 5 is corresponded at the same time
In the foregoing 3rd drum butterfly slide vallecular cavity 32 and the 4th drum butterfly slide vallecular cavity 33 position be arranged on foregoing rear 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-hand member 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-hand member of outer tube 1 is locked, thus applicant's only centering pipe locking mechanism 4 below makees specifically
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 as follows）, second drum butterfly 43 and a pair of drum abjusting springs 44（Also can claim " the second brake block ", it is as follows）, the first drum butterfly 42
（Material is steel）Vallecular cavity 22 is slided with the first foregoing 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 constituted on the right side of the first drum butterfly 42
422, it is relative that the first drum butterfly protecting against shock groove 422 slides vallecular cavity right chamber wall 221 with the first drum butterfly 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 the second drum butterfly 43 court
One second drum butterfly ear 431 is extended with to the side of foregoing middle tube chamber 21, on the second drum butterfly ear 431 and corresponding to foregoing
The position of the first drum butterfly solution lockhole 4211 offers one second drum butterfly solution lockhole 4311, and being constituted 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 second rouses butterfly
Sliding the second drum butterfly of vallecular cavity 23, to slide vallecular cavity right chamber wall 231 corresponding, a pair of drum abjusting springs 44 be supported on the first drum butterfly 42 with
Between second drum butterfly 43.
As preferred scheme and as shown in Figure 2, the first drum butterfly ear 431 has a pair for corresponding to each other up and down, this pair 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-hand member of foregoing middle pipe 2 is thrown out of foregoing outer lumen 11, the first foregoing drum drum butterfly 43 of butterfly 42 and second
Lean out the first foregoing drum butterfly respectively under a pair of foregoing active forces of drum abjusting spring 44 and slide the drum butterfly of vallecular cavity 22 and second
Slide vallecular cavity 23 and lock the right-hand member 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 the corresponding state of vallecular cavity right chamber wall 221 and preceding with the foregoing first drum butterfly
State the second drum butterfly protecting against shock groove 432 and remain the state corresponding with the foregoing second drum butterfly slip vallecular cavity right chamber wall 231, 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, foregoing outer tube 1 right-hand member and positioned at the cavity wall of foregoing outer lumen 11（Inwall）Upper measurement
Being embedded with an outer tube around the circumferencial direction of cavity wall adjusts gap ring 12 and an outer tube spacing ring 13, the outer tube spacing ring 13 to be adjusted positioned at outer tube
The left side of gap ring 12, in the preamble the circumferencial direction on the outer wall of the left end of pipe 2 and around middle pipe 2 be embedded with middle pipe back-up ring
24a（The present embodiment is three）Tune gap ring 24b left with middle pipe（The present embodiment is one）, middle pipe back-up 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 back-up ring 24a of middle pipe, central pipe back-up ring 24a and outer tube
When spacing ring 13 is contacted, then show that the right-hand member 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 can not stretch to outside outer lumen 11 again, can otherwise throw away outer tube 1.Change outer tube tune gap ring 12 and the left tune gap ring 24b of middle pipe can be true
The effect that is slidably matched of pipe 2 and outer lumen 11 in guarantor.
The right-hand member of pipe 2 and positioned at the cavity wall of foregoing middle tube chamber 21 in the preamble（Inwall）On around cavity wall circumferencial direction
The right tune gap ring 25b of pipe in pipe spacing ring 25a and in being embedded with one, pipe is right in this adjusts gap ring 25b to be located at middle pipe spacing ring 25a's
Right side, on the outer wall of the left end of foregoing rear pipe 3 and around the circumferencial direction of rear pipe 3 be embedded with after pipe back-up ring 34a（This implementation
Example is three）With one after pipe adjust gap ring 34b, the rear pipe adjust gap ring 34b to be located at after pipe back-up ring 34a left side, when after pipe back-up ring
When 34a is contacted with middle pipe spacing ring 25a, then show that the right-hand member of foregoing outer tube 3 throws away the extreme degree of middle tube chamber 21 and is defined,
That is rear pipe 3 can not stretch to outside middle tube chamber 21 again, middle pipe 2 can be otherwise thrown away.The right tune gap ring 25b of pipe and rear pipe in replacing
The effect that is slidably matched of pipe 3 and middle tube chamber 21 after adjusting 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 drums
Abjusting spring support holes 423, and in the second drum butterfly 43 towards the side of the first drum butterfly 42 and corresponding to a pair first drum butterfly bullets
The position of spring support holes 423 offers a pair second drum abjusting spring support holes 433, a pair of foregoing one end branch of drum abjusting spring 44
Hold and roused in abjusting spring support holes 423 at a pair first, and the other end is supported in a pair second drum 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 circular arc
Groove and mutual length, width and depth are equal, 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, is preferably 0.2-0.5mm, is preferably 0.2-0.3mm, preferably 0.25mm, and the present embodiment is 0.25mm.
In order to prevent during time-based maintenance i.e. in dismounting（Dismounting and assembling）When, a pair of drum abjusting springs 44 produce bullet
The situation for going out and losing, therefore as preferred scheme, can be by a pair of drum abjusting springs 44 towards one end of the foregoing first drum butterfly 42
And fixed with the first drum butterfly 42 corresponding to a pair first positions of drum abjusting spring support holes 423, or butterfly bullet is roused by a pair
Spring 44 is fixed corresponding to a pair second positions of drum abjusting spring support holes 433 with the second drum butterfly 43.
Being constituted see Fig. 1, on the right-hand member in 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 probes into rear tube chamber 31 and constituted on the left end outer wall of the impact head 7 impact
Head external screw thread 71, the impact head external screw thread 71 connects internal thread 35 with impact head, and screw thread coordinates fixation each other.
As preferred scheme and as shown in Figure 1, on the left end inwall of rear tube chamber 31 of foregoing rear pipe 3 and in correspondence
Trip lever guide holder is machined with the position in the left side of foregoing rear pipe locking mechanism 5 and connects internal thread 36, corresponding to the unblock
Bar guide holder connects the position screw thread of internal thread 36 with a trip lever guide holder 361 is connected to, 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 simultaneously 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 as follows）, support cap 61 connects with the left end of foregoing outer tube 1
And be insinuated into foregoing outer lumen 11, the support cap 61 have one unblock spring cavity 611, trip lever fixed seat 62 be opened in
The trip lever fixed seat mating holes 6121 of the middle position of the support cap bottom wall 612 of support cap 61 is slidably matched, unblock button 63
Position corresponding to unblock spring cavity 611 is set, and unblock spring 64 is located in unblock spring cavity 611, the springlock spring 64
One 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 branch
Base wall 612 towards the side of unblock spring cavity 611 is held, trip lever 65 is located in foregoing outer lumen 11, in the trip lever 65
Left end constitute have a screw head 651, the screw head 651 screws in trip lever fixed seat 62 and unblock button 63 successively, solving
The right-hand member of locking bar 65 is formed with the trip lever guide head 652 of a taper, and the trip lever guide head 652 corresponds 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 simultaneously.
It can thus be appreciated that：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 towards the middle position of the side of foregoing trip lever fixed seat 62 in foregoing unblock button 63
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 constituted 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 unblock spring 64 is nested with（I.e. empty set exists）On unblock button connecting seat 631.
From the signal of Fig. 1, foregoing unblock spring 64 is volute spring, and industry is also accustomed to for volute spring being referred to as treasured
Turriform spring.
As preferred scheme, a sheath 14 is tightly arranged with outside foregoing outer tube 1, is 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 with cloth set as sheath 14, then should be considered as equivalent.
Applicant with reference to Fig. 1 and Fig. 2 summary it is of the invention use, as the present invention to be enabled, grasp outer tube 1, i.e.,
Sheath 14 is held, is then made with sudden force laterally or is made the action got rid of downwards, now, the right-hand member speed of middle pipe 2 is i.e. outside from outer lumen 11
Stretch out, while the right-hand member speed of rear pipe 3 is that therefrom tube chamber 21 is protruding.In this condition, rushed by impact head 7 once running into needs
When hitting the situation of vehicle glass or building door glass pane or similar object, then impacted by impact head 7.In this process, by
In the effect of impulsive force or impulse inertia, the trip lever 65 of unlocking mechanism 6 often occurs play, specifically：Work as unblock
During 65 right lateral of bar, the spring force and drawstring for unlocking spring 64 can be overcome（Drive）Trip lever fixed seat 62 and unblock button 63
Unblock button connecting seat 631, makes trip lever 65 produce improper displacement, and trip lever 65 trip lever guide head 652 right
The position of 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
Occur opposite displacement in the case where a pair of situations of the spring force of drum abjusting spring 44 are overcome, i.e., the first drum drum butterfly 43 of butterfly 42 and second
Foregoing middle pipe lock slots 111 are exited at the position of periphery, and same example, two bulging butterflies of the structural system of rear locking mechanism 5 can move back
Pipe lock slots 211 after going out, produce improper unblock.But structure of the present invention is not in the situation of foregoing improper unblock, i.e.,
The right-hand member reliability of the left end of pipe 3 and middle pipe 2 after being able to ensure that the right-hand member positive lock of the left end of pipe 2 and 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
During 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 is controlled 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
The same example of structure 5.Therefore be not in improper unblock in 7 fierce impacted object of impact head.And the present invention is entered through applicant
Test is gone, in, rear pipe 2,3 is in pipe 3 after liftoff level ground 1.5m height free-electron model under the state that throws away does not occur for ten times and contracts
Enter the situation in tube chamber 21 and the retraction outer lumen 11 of middle pipe 2.
When with finish after implement unblock when, 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 unblock spring 64, unblock spring 63 is compressed, by unblock button 63 with trip lever fixed seat
62 to outer lumen 11 direction displacement.Due to trip lever 65 right-hand member screw head 651 simultaneously with trip lever fixed seat 62 and
Unblock button 63 is connected, 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 first, second drum butterfly ear solution lockhole 4211,4311 and acts on by the trip lever guide head 652 of trip lever 65, is overcoming
First, second drum butterfly 42,43 opposite displacements are forced under a pair of spring-force driven duals of drum abjusting spring 44, that is, forces first, second drum
Butterfly ear 421,431 opposite displacements, the first drum drum butterfly 43 of butterfly 42 and second just exit middle pipe lock slots 111, and central pipe 2 is bounced back to
Almost being acted on by two drum butterflies of pipe locking mechanism 5 after trip lever guide head 652 pairs simultaneously in outer lumen 11, exits two drum butterflies
Middle pipe lock slots 211, just retraction is to bounce back in middle tube chamber 21 to rear pipe 3, and the distal portion dew of only impact head 7 is naked in middle tube chamber 21
Outward.
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 sum, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention
Task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.
Claims (10)
1. a kind of Telescopic spontoon, an including outer tube (1), the outer lumen (11) of the outer tube (1) right-hand member and around outer tube
The circumferencial direction in chamber (11) offers the middle pipe lock slots (111) on a cavity wall surface for being depressed in outer lumen (11)；Managed in one
(2), in this manage (2) be slidably matched with described outer lumen (11), in this manage (2) in tube chamber (21) right-hand member and around
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
Pipe (3), the rear pipe (3) is slidably matched with the middle tube chamber (21)；Pipe locking mechanism (4) in one, pipe locking mechanism (4) sets in this
Put the left end in the middle pipe (2) and managed by this in the state of being thrown out of the outer lumen (11) in the right-hand member of middle pipe (2)
Locking mechanism (4) probes into the middle pipe lock slots (111) and the left end of middle pipe (2) is locked with the right-hand member of the outer tube (1)；After one
Pipe locking mechanism (5), the left end and the right-hand member in rear pipe (3) that the rear pipe locking mechanism (5) sets pipe (3) in the rear is got rid of
Go out in the state of the middle tube chamber (21) by the rear pipe locking mechanism (5) probe into the rear pipe lock slots (211) will after pipe (3)
Left end is locked with the right-hand member of the middle pipe (2)；One is used to make the middle pipe locking mechanism (4) exit the middle pipe lock slots
(111) use the locking relation in releasing between the left end and the right-hand member of the outer tube (1) of pipe (2) and lock the rear pipe
Determine mechanism (5) to exit the rear pipe lock slots (211) and use release after pipe (3) left end and the middle pipe (2) right-hand member 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) sets the right side for managing (3) in the rear
End end, wherein：Offered for making the middle tube chamber (21) with extraneous the first drum butterfly for communicating in the left end of the middle pipe (2)
Slide vallecular cavity (22) and one second drum butterfly slides vallecular cavity (23), the first drum butterfly 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 that (3) are managed in the rear is offered
The rear tube chamber (31) of (3) is managed after for making and slides vallecular cavity (32) and one the 4th drum butterfly sliding groove with extraneous one the 3rd drum butterfly for communicating
Chamber (33), the 3rd drum butterfly slide vallecular cavity (32) and the 4th drum butterfly slide vallecular cavity (33) around rear pipe (3) circumferencial direction that
This keeps aspectant position relationship, and described middle pipe locking mechanism (4) corresponds to the described first drum butterfly and slides vallecular cavity at the same time
And the second drum butterfly slides the position of vallecular cavity (23) and is arranged on the left end of the middle pipe (2), described rear pipe locking mechanism (22)
(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
The left end of (3) is managed after stating and the structure of the rear pipe locking mechanism (5) is identical with the structure of middle pipe locking mechanism (4), 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 drums abjusting spring (44), the first drum
Butterfly (42) slides vallecular cavity (22) and is slidably matched with the first described drum butterfly, in 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 constituted on the right side of the first drum butterfly (42)
Butterfly protecting against shock groove (422), first drum butterfly protecting against shock groove (422) slides 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) slides vallecular cavity (23) and is slidably matched with described second drum butterfly, this second
Drum butterfly (43) is extended with one second drum butterfly ear (431) towards the side of the middle tube chamber (21), on 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) constitutes the second drum butterfly protecting against shock groove (432) for having a right surface for being depressed in the second drum butterfly (43), and this
Two drums butterfly protecting against shock groove (432) are corresponding with the second drum butterfly slip vallecular cavity right chamber wall (231) that the second drum butterfly slides vallecular cavity (23),
A pair of drums abjusting spring (44) are supported between the first drum butterfly (42) and the second drum butterfly (43), when the right-hand member of the middle pipe (2) is got rid of
When going out the outer lumen (11), the first described drum butterfly (42) and the second drum butterfly (43) are in a pair of described drums abjusting spring (44)
Active force under lean out respectively the first described drum butterfly slide vallecular cavity (22) and the second drum butterfly slide vallecular cavity (23) while
Described middle pipe lock slots (111) are probeed into lock the right-hand member of the left end of middle pipe (2) and outer tube (1), and the first drum butterfly prevents
Punching groove (422) remains and 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 and slides the corresponding state of vallecular cavity right chamber wall (231), described unblock with the described second drum butterfly
Mechanism (6) is corresponding with the first described 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-hand member and positioned at described
Circumferencial direction in the cavity wall of outer lumen (11) around cavity wall is embedded with an outer tube and adjusts gap ring (12) and an outer tube spacing ring (13),
The outer tube spacing ring (13) positioned at outer tube adjust gap ring (12) left side, on the outer wall of the left end of the middle pipe (2) and around
The circumferencial direction of middle pipe (2) is embedded with middle pipe back-up ring (24a) and left tune gap ring (24b) of middle pipe, and middle pipe back-up ring (24a) corresponds to institute
The left side of outer tube spacing ring (13) is stated, and middle pipe adjusts gap ring (24b) to correspond to the left side of middle pipe back-up ring (24a), central pipe back-up ring
When (24a) is contacted with outer tube spacing ring (13), the extreme degree that the right-hand member of the middle pipe (2) throws away outer lumen (11) is defined；
It is embedded with one in the right-hand member of the middle pipe (2) and the circumferencial direction around cavity wall in the cavity wall of the middle tube chamber (21)
Pipe is right in pipe spacing ring (25a) and adjusts gap ring (25b), the right right side for adjusting gap ring (25b) to be located at middle pipe spacing ring (25a) of pipe in this
Side, in the rear manage (3) left end outer wall on and around the circumferencial direction of rear pipe (3) be embedded with after pipe back-up ring (34a) and
Pipe adjusts gap ring (34b) afterwards, the rear pipe adjust gap ring (34b) to be located at after pipe back-up ring (34a) left side, when after pipe back-up ring (34a) with
When pipe spacing ring (25a) is contacted, the extreme degree that the right-hand member of the outer tube (3) throws away middle tube chamber (21) is defined.
3. Telescopic spontoon according to claim 1, it is characterised in that in the described first drum butterfly (42) towards described second
The side of drum butterfly (43) offers a pair first drums abjusting spring support holes (423), and rouses butterfly towards first in the second drum butterfly (43)
(42) side and a pair second drum abjusting springs are offered in the position corresponding to a pair first drums abjusting spring support holes (423)
Support holes (433), one end of a pair of described drums abjusting spring (44) is supported in a pair first drums abjusting spring support holes (423),
And the other end is supported in a pair second drums abjusting spring support holes (433).
4. Telescopic spontoon according to claim 1, it is characterised in that first drum butterfly protecting against shock groove (422) and the
Two drums butterfly protecting against shock groove (432) are 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 first drum butterfly protecting against shock groove (422) and the
The depth of two drums butterfly protecting against shock groove (432) is 0.2-0.8mm.
6. Telescopic spontoon according to claim 1, it is characterised in that manage the right-hand member of (3) in the rear and managed after being located at
Being constituted in the rear tube chamber cavity wall in chamber (31) has impact head to connect internal thread (35), and the left end of the impact head (7) probes into rear tube chamber
(31) constituting 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 connects internal thread (35), and screw thread coordinates fixation each other.
7. Telescopic spontoon according to claim 1, it is characterised in that described unlocking mechanism (6) is including support cap
(61), trip lever fixed seat (62), unblock button (63), unblock spring (64) and trip lever (65), support cap (61) with it is described
The left end of outer tube (1) is connected and is insinuated into the outer lumen (11), and the support cap (61) is with a unblock spring cavity
(611), trip lever fixed seat (62) is consolidated with the trip lever of the middle position of the support cap bottom wall (612) for being opened in support cap (61)
Reservation mating holes (6121) is slidably matched, and unblock button (63) is set corresponding to the position of unblock spring cavity (611), unlocks spring
(64) in unblock spring cavity (611), one end of the springlock spring (64) is supported on unblock button (63) towards trip lever
The side of fixed seat (62), and the other end for unlocking spring (64) is supported on the support cap bottom wall (612) towards unblock spring
The side in chamber (611), in described outer lumen (11), constituted in the left end of the trip lever (65) has a spiral shell to trip lever (65)
Head (651), the screw head (651) screws in trip lever fixed seat (62) and unblock button (63) successively, in trip lever (65)
Right-hand member be formed with a trip lever guide head (652), the trip lever guide head (652) and described 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 unblock
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 unblock button connecting seat screw head connection screw thread hole (6311), in the trip lever fixed seat (62)
Middle position constitute have a fixed seat screw hole (621), the trip lever (65) screw head (651) screw in fixed seat successively
Screw hole (621) and unblock button connecting seat screw head connection screw thread hole (6311), one end set of unblock spring (64)
Put on unblock button connecting seat (631).
9. the Telescopic spontoon according to claim 7 or 8, it is characterised in that described unblock spring (64) is Conical Projectile
Spring.
10. the Telescopic spontoon according to claim 1 or 2 or 7, it is characterised in that be tightly arranged outward in described outer tube (1)
There is a sheath (14), slip preventing fringe is formed with the outer surface of the sheath (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269991.7A CN106918267B (en) | 2017-04-24 | 2017-04-24 | Telescopic spontoon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269991.7A CN106918267B (en) | 2017-04-24 | 2017-04-24 | Telescopic spontoon |
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| CN106918267B CN106918267B (en) | 2018-04-20 |
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| CN108050885A (en) * | 2017-12-31 | 2018-05-18 | 广州慈宇安防科技有限公司 | The pushing handle telescopic control mechanism and control method of a kind of baton |
| CN108180785A (en) * | 2017-12-31 | 2018-06-19 | 广州慈宇安防科技有限公司 | A kind of negative drawing unlocks retractable spontoon |
| CN108426485A (en) * | 2018-04-24 | 2018-08-21 | 广州慈宇安防科技有限公司 | A kind of Telescopic spontoon based on flexible reverse drawing 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 |
| CN108871054A (en) * | 2018-04-24 | 2018-11-23 | 广州慈宇安防科技有限公司 | A kind of telescopic reverse drawing unlock baton with auxiliary |
| CN111076610A (en) * | 2020-01-15 | 2020-04-28 | 常熟市吉宏精密机械有限公司 | Drum butterfly and pipe body locking groove matching structure of telescopic spontoon |
| CN112726718A (en) * | 2020-12-29 | 2021-04-30 | 张翠琴 | Automatic cleaning device of river course desilting with antiwind structure |
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| 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 |
| CN108426485A (en) * | 2018-04-24 | 2018-08-21 | 广州慈宇安防科技有限公司 | A kind of Telescopic spontoon based on flexible reverse drawing unlocking mechanism |
| CN108871054A (en) * | 2018-04-24 | 2018-11-23 | 广州慈宇安防科技有限公司 | A kind of telescopic reverse drawing unlock baton with auxiliary |
| 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 |
| 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 |
| 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 |
| CN111076610A (en) * | 2020-01-15 | 2020-04-28 | 常熟市吉宏精密机械有限公司 | Drum butterfly and pipe body locking groove matching structure of telescopic spontoon |
| 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 |
| CN112726718A (en) * | 2020-12-29 | 2021-04-30 | 张翠琴 | Automatic cleaning device of river course desilting with antiwind structure |
| 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. |
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