CN109668482B - Anti-riot net device capable of being rapidly arranged and retracted - Google Patents
Anti-riot net device capable of being rapidly arranged and retracted Download PDFInfo
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- CN109668482B CN109668482B CN201910117748.2A CN201910117748A CN109668482B CN 109668482 B CN109668482 B CN 109668482B CN 201910117748 A CN201910117748 A CN 201910117748A CN 109668482 B CN109668482 B CN 109668482B
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- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002512 anti-withdrawal effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007123 defense Effects 0.000 description 15
- 239000004744 fabric Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H11/00—Defence installations; Defence devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Handcart (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention discloses an anti-riot net device capable of being rapidly arranged and retracted, and relates to the technical field of security equipment, comprising a bracket and a plurality of telescopic barrier nets, wherein the bracket comprises two upright frames which are oppositely arranged, and two ends of each barrier net are respectively connected with the two upright frames; the anti-riot net device is characterized by further comprising a plurality of quick connection devices, wherein the block connection devices are used for quickly connecting the two anti-riot net devices; the quick connection device comprises a hinge, a flexible shaft, a clamping block, a screw rod and a nut, wherein one end of the flexible shaft is fixedly connected with the hinge, the other end of the flexible shaft is fixedly connected with the clamping block, one end of the screw rod is fixedly connected with the clamping block, the nut is connected with the screw rod through threads, one of the two vertical frames is hinged with the hinge, and a quick connection groove matched with the clamping block is formed in the other vertical frame. The anti-riot net device can be arranged and retracted more conveniently and rapidly, is stable and safe in an defending state, has a good sealing and controlling effect, meets the requirements of increasingly severe security and protection situations, and is simple in structure and low in manufacturing cost.
Description
Technical Field
The invention relates to the technical field of security equipment, in particular to an anti-riot net device capable of being rapidly arranged and retracted.
Background
The anti-riot net device is a common security device, and law enforcement personnel can set a sealing control line by utilizing the anti-riot net under the condition of riot occurrence, so that riot incidents can be effectively controlled and processed. The conventional barrier net for riot prevention has many defects: firstly, the operation of net laying and net collecting is complex, and the time consumption is long; secondly, the arrangement is needed by using a net laying vehicle, and the net laying vehicle cannot be used in some narrow environments; thirdly, each anti-riot net is limited in length, and two anti-riot nets cannot be connected when the anti-riot net needs to be lengthened, so that sealing and controlling are not firm, and the security effect is reduced.
In the prior art, various structural forms of anti-riot net devices have appeared aiming at the problems, such as a blocking device disclosed in a police rapid anti-riot device (application number: CN 200820063693.9), the blocking device mainly comprises a main disc, an auxiliary disc and an anti-riot net, wherein the main disc comprises a net fixing device, a guiding device and a traveling chassis, the net fixing device is used for fixing the anti-riot net, the guiding device is mainly used for assisting in net collection and supporting the anti-riot net, and the traveling chassis is mainly used for arranging pulleys, so that the whole device is convenient to move; the auxiliary disc is composed of a net fixing device which is the same as the main disc, and two ends of the anti-riot net are respectively fixed on the net fixing discs of the main disc and the auxiliary disc. The anti-riot stab net can be unfolded by pulling the main disc, and a sealing control line is arranged; when the net is folded, the net folding hook is used for folding the anti-riot net. The anti-riot net devices in the prior art overcome the defects of the common anti-riot barrier net to a certain extent, but have complex structures and high manufacturing cost. And with the aggravation of security and protection situation, put forward higher requirement to the convenient and fast nature of arrangement and withdraw of riot net, the universality of service environment and the stability of sealing control effect, the riot separation net device among the prior art has been difficult to satisfy the security and protection needs at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the anti-riot net device capable of being rapidly arranged and retracted, can be more conveniently and rapidly arranged and retracted, is stable and safe in a defense arrangement state, has a good sealing and controlling effect, meets the requirements of increasingly severe security and protection situations, and is simple in structure and low in manufacturing cost.
The aim of the invention is realized by the following technical scheme:
the anti-riot net device capable of being rapidly arranged and retracted comprises a bracket and a plurality of telescopic barrier nets, wherein the bracket comprises two stand frames which are oppositely arranged, and two ends of each barrier net are respectively connected with the two stand frames; the anti-riot net device is characterized by further comprising a plurality of quick connection devices, wherein the block connection devices are used for quickly connecting the two anti-riot net devices;
the quick connection device comprises a hinge, a flexible shaft, clamping blocks, a screw and nuts, wherein one end of the flexible shaft is fixedly connected with the hinge, the other end of the flexible shaft is fixedly connected with the clamping blocks, one end of the screw is fixedly connected with the clamping blocks, the nuts are in threaded connection with the screw, one of the two vertical frames is hinged with the hinge, and the other vertical frame is provided with a quick connection groove matched with the clamping blocks.
Further, two stand keep away from the one side of separation net all is provided with a plurality of ejector pins.
Further, the quick connection device further comprises a connection block a and a connection block b, the connection block a and the connection block b are respectively and fixedly arranged on the two vertical frames, the hinge is hinged with the connection block b, the quick connection groove is formed in the connection block a, an anti-withdrawal groove is formed in the connection block a, and one end, close to the clamping block, of the nut is matched with the anti-withdrawal groove.
Further, the nut is an anti-disassembly nut, the nut comprises a chassis, a protective shell and a cylinder with a special-shaped section, one end of the chassis is fixedly connected with one end of the cylinder, one end of the protective shell is connected with the chassis, the cylinder is arranged in the protective shell, and an internal threaded hole matched with the screw rod is formed in the cylinder in a penetrating mode.
Further, the bottom of grudging post is provided with a plurality of gyro wheel mechanisms, gyro wheel mechanism includes roller device, connecting rod, checkpost and elasticity stop device, the one end of connecting rod with roller device connects, its other end with the grudging post is articulated, the checkpost fixed set up in on the grudging post, the checkpost is used for right the connecting rod is spacing when lifting, elasticity stop device is used for right the connecting rod is spacing when putting down.
Further, the elastic limiting device comprises a limiting shaft, and a limiting plate a, a limiting plate b and a mounting plate which are sequentially arranged in parallel, wherein the limiting plate a, the limiting plate b and the mounting plate are fixedly connected with the stand, the connecting rod is arranged between the limiting plate a and the limiting plate b, and the limiting shaft penetrates through the limiting plate a, the limiting plate b and the mounting plate and is connected with the limiting plate in a sliding manner;
the middle part of the limiting shaft is fixedly provided with a draw bolt, the draw bolt is arranged between the limiting plate b and the mounting plate, a spring is sleeved on the limiting shaft, two ends of the spring are respectively connected with the draw bolt and the mounting plate, and the limiting shaft is used for limiting the connecting rod.
Further, the utility model discloses a stand, including a plurality of foot rest is detained to the diagonal, the foot rest of detaining includes two bracing pieces and two bolts, every the stand all with one of them bracing piece and a bolt fixed connection, the bracing piece is kept away from the fixed knot piece that is provided with of one end of stand, be provided with the lock groove on the knot piece, one the bolt accessible that connects on the stand the lock groove sets up in another in the knot piece that connects on the stand.
Further, still include a plurality of net connecting device that receive, it includes connecting plate, elasticity buckle, two screw rod a and two butterfly nut to receive net connecting device, two screw rod a is fixed respectively to be set up in two on the grudging post, the one end processing of connecting plate has the round hole and passes through the round hole cup joints on one screw rod a, the other end processing of connecting plate has the bayonet socket, another screw rod a can block into in the bayonet socket, be close to the connecting plate is processed to have the one end of round hole fixedly provided with on the grudging post elasticity buckle, the connecting plate can block into in the elasticity buckle, every screw rod a all with one butterfly nut passes through threaded connection.
Further, a plurality of handle devices are further arranged on the stand, each handle device comprises a handle and a stop block, the handles are hinged to the stand, the stop blocks are fixedly connected with the stand, and the stop blocks are used for limiting the rotation angle of the handles.
The beneficial effects of the invention are as follows:
1. the anti-riot net device capable of being arranged and retracted quickly is provided with the quick connection device, can be connected quickly when a plurality of anti-riot net devices are combined for use to perform joint defense arrangement, and is stable in connection relationship and reliable in sealing control. Set up anti-disassembly nut in this quick connect device, when jointly preventing, other people can't destroy the connection between the riot net device easily for it is more reliable to seal accuse, has ensured its security protection separation's effect.
2. The bottom of this but quick arrangement and anti-riot net device of retrieving sets up the gyro wheel mechanism that can overturn, on the one hand, can the quick travel to the position that needs the cloth guard under accomodating the state, on the other hand, can the quick travel two risers open the separation net, accomplish the cloth guard. When finishing the cloth guard, make gyro wheel mechanism upset lift up, can make the bottom and the ground contact of grudging post, under its frictional force effect, the grudging post is difficult to by the removal for the cloth guard state is more reliable and stable.
3. Set up the stab foot rest under two grudging posts of the device, under the cloth defending state, the bracing piece of accessible stab foot rest causes the support to the stand, prevents that it from inwards tipping, and the one end tip of bracing piece contacts ground simultaneously, and this tip can not cause any hindrance when opening the separation net and cloth defending, and when not lifting this tip, but extremely difficult to withdraw the anti-riot net, this setting can increase the stability of cloth defending after cloth defending is accomplished when not influencing quick cloth defending. When the anti-riot net device is in a retracted state, the buckling foot frames are in a suspended state, and the movement of the anti-riot net device cannot be hindered.
4. The handle device is arranged, so that convenience is brought to moving the device and completing the defense arrangement. The handle device is provided with the limiting device, so that people can control the direction of force more easily when pulling the stand through the handle, and the defense and recovery of the anti-riot net are more labor-saving and rapid.
5. A net collecting connecting device is arranged, when the anti-riot net device is in a collecting state, the two vertical frames are connected together, and the blocking net is placed to be dispersed. When the protection is required to be distributed, the separation of the stand can be realized only by rotating the connecting plate, and meanwhile, the storage of the connecting plate is realized, so that the operation is simple and quick, and the use is convenient.
6. The anti-riot net device capable of being arranged and retracted quickly is symmetrical in structure of two vertical frames of the quick-connection device, simple in structure and low in manufacturing cost.
Drawings
FIG. 1 is a schematic view of a quickly deployed and retracted anti-riot net apparatus according to the present invention in a retracted position;
FIG. 2 is a schematic structural view of a bracket;
FIG. 3 is a schematic diagram of a quick connect device;
FIG. 4 is a schematic view of the construction of the anti-disassembly nut;
FIG. 5 is a schematic structural view of a roller mechanism;
FIG. 6 is an enlarged schematic view of area A of FIG. 2;
FIG. 7 is an enlarged schematic view of region B of FIG. 2;
FIG. 8 is an enlarged schematic view of region C of FIG. 2;
FIG. 9 is a schematic view of the construction of a rapidly deployable and retractable anti-riot net apparatus of the present invention in a armed state;
FIG. 10 is a schematic view of the structure of a combined deployment status of a rapidly deployable and retractable anti-riot net apparatus according to the present invention;
fig. 11 is an enlarged schematic view of the region D in fig. 10.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
The prior art anti-riot net device comprises a support and a plurality of telescopic barrier nets 2. The support comprises two opposite vertical frames 1, two ends of the barrier net 2 are respectively connected with the two vertical frames 1, and the barrier net 2 can be opened along with the separation of the vertical frames 1 to finish the defense arrangement. In practical application, the single anti-riot net device has limited anti-defense length, and a plurality of anti-riot nets are required to be jointly and jointly defended. When the combined defense is distributed, the adjacent anti-riot net devices are required to be connected stably in order to achieve a good sealing and controlling effect; meanwhile, in the process of arranging the defense, the connection must be convenient and quick to operate in order to meet the requirement of quick defense arrangement.
As shown in fig. 1 to 11, an anti-riot net device capable of being rapidly arranged and retracted according to the present invention is provided with a quick-connection device for rapidly connecting two anti-riot net devices on a stand. As shown in fig. 3, the quick-connect device includes a hinge 43, a flexible shaft 44, a clamp 45, a screw 46, and a nut 47. One end of the flexible shaft 44 is fixedly connected with the hinge 43, the other end of the flexible shaft is fixedly connected with the clamping block 45, one end of the screw 46 is fixedly connected with the clamping block 45, and the nut 47 is in threaded connection with the screw 46. For convenience of description, the two uprights 1 are respectively named as an upright a and an upright b, wherein the upright a is hinged with the hinge 43, and the upright b is provided with a quick-connection groove 411 adapted to the clamping block 45. As shown in fig. 10 and 11, when the anti-riot net devices are jointly deployed, a plurality of anti-riot net devices are sequentially arranged and connected through the quick connection device. When in connection, two adjacent anti-riot net devices are respectively arranged by one vertical frame 1 in a contact manner, in particular to one vertical frame a and one vertical frame b in a contact manner, at the moment, a flexible shaft 44 on the vertical frame 1 is rotated to clamp a clamping block 45 into a groove 411 on the vertical frame 2, and the vertical frame a and the vertical frame b can be connected only by screwing a nut 47. The clamping block 45 is arranged in the device to prevent the screw 46 from rotating along with the nut 47 when the nut 47 is screwed, so that the effectiveness of the action of screwing the nut 47 is ensured, and the device is more convenient and quicker to connect. The flexible shaft 44 is provided, and the flexible shaft 44 has toughness, so that the clamping block 45 can be easily clamped into the groove 411 on the stand 2 in the connecting process, and compared with a rigid connecting piece, the device can be connected more quickly and more quickly.
In order to make the connection more secure and stable, on both uprights 1 of an anti-riot net arrangement, the side thereof remote from the barrier net 2 is provided with a number of push rods 48. In the above-described connection process, the ejector pins 48 on the stand a and the ejector pins 48 on the stand b are in contact with each other, and when the nut 47 is screwed down, the two ejector pins 48 provide a reaction force, so that the stand a and the stand b can be effectively connected. Providing a plurality of push rods 48 may provide a multi-point support that makes the connection more secure.
In particular, the quick-connect device further comprises a connection block a41 and a connection block b42. The connecting block a41 and the connecting block b42 are respectively fixedly arranged on the two vertical frames 1, the hinge 43 is hinged with the connecting block b42, the quick connecting groove 411 is arranged on the connecting block a41, the connecting block a41 is provided with an anti-withdrawal groove 412, and one end of the nut 47, which is close to the clamping block 45, is matched with the anti-withdrawal groove 412. The connecting blocks a41, b42 and the flexible shaft 44 are designed to have corresponding sizes according to the actual situation of the combined defense arrangement, so that the adjacent two vertical frames 1 are ensured not to have large gaps when the defense arrangement is completed, the connection stability of the two vertical frames is ensured, and the stability of the seal control is ensured. When the nut 47 is tightened to complete the connection of the two uprights 1, the end portion thereof enters the anti-back-out groove 412 and is limited by the anti-back-out groove, so that the clamping block 45 can be ensured not to be back-out from the groove 411.
In practice, the nut 47 is designed as an anti-disassembly nut. As shown in fig. 4, the nut 47 includes a chassis 471, a protective housing 473, and a post 472 having a profiled cross section. One end of chassis 471 is connected with the one end fixed connection of cylinder 471, and the one end and the chassis 471 of protective housing 473 are connected, and cylinder 472 sets up in protective housing 473, runs through in the cylinder 472 to be provided with the internal thread hole with screw 46 looks adaptation, is connected with screw 46 through this screw hole. The cross section of the column 472 is configured to be a special-shaped structure, so that it can be prevented from being disassembled by other people using conventional tools. In practice, a special dismounting tool is provided, which is provided at one end with a hole matching the shape of the column 472, by means of which the tightening and loosening of the nut 47 can be achieved. The special-shaped cross section is generally arranged to be regular polygon, the regular triangle is arranged in the embodiment, the included angle of the regular triangle is arranged to be arc-shaped, the column 472 can be conveniently inserted into the end part of the special tool, the operation is convenient, and the use requirement of quick connection is also met on the premise of preventing other people from randomly dismantling. After the disassembly preventing nut 47 is screwed, the chassis 471 is completely disposed in the disassembly preventing groove 412. On the one hand, the chassis 471 is limited by the anti-back-out groove 412, the clamping block 45 cannot be withdrawn from the groove 411, and the connection of the device is stable and reliable; on the other hand, the chassis 471 is completely sunk into the anti-back-out slot 412, so that another person cannot disassemble the nut 47 by rotating the chassis 471. Still be provided with protective housing 473 on chassis 471, cylinder 472 sets up in protective housing 473 for the space between the outline of cylinder 472 and the interior outline of protective housing 473 is comparatively narrow and small, and the special-purpose tool of non-supporting is difficult to get into in this space makes cylinder 472 atress and realizes dismantling. Preferably, the protective housing 473 is cylindrical, and is rotatably connected to the chassis 471, and the protective housing 473 is not rotated together with the chassis 471 when rotated, so that the detachment cannot be achieved by rotating the protective housing 473. Through this anti-disassembly nut's setting, when jointly preventing, other people can't destroy the connection between the riot net device easily for it is more reliable to seal the accuse, has ensured its security protection separation's effect.
Further, as shown in fig. 1 and 2, a plurality of roller mechanisms 3 are arranged at the bottom of the stand 1, and the movement of the stand 1 is more convenient through the roller mechanisms 3. On the one hand, can the quick travel to the position that needs the cloth guard under accomodating the state, on the other hand, can the quick travel two grudging posts 1 open the separation net, accomplish the cloth guard. As shown in fig. 9 and 10, when the arming is completed, the roller mechanism 3 is turned over and lifted, at this time, the bottom of the stand 1 is in contact with the ground, and under the action of friction force, the stand 1 is difficult to be moved, so that the arming state is more stable and reliable.
In particular, as shown in fig. 5, the roller mechanism 3 includes a roller device 31, a connecting rod 32, a clip 33, and an elastic limiting device. The roller device 31 is a common wheel structure, and includes a wheel frame and a wheel, wherein the wheel is rotatably arranged in the wheel frame. One end of the connecting rod 32 is connected with the roller device 31, the other end is hinged with the vertical frame 1, and the connecting rod 32 can be rotated around the hinged position, so that the lifting and lowering positions of the roller device 31 are switched. A clip 33 for limiting the lifting of the connecting rod 32 is fixedly arranged on the stand 1, and in the concrete, the clip 33 is arranged obliquely to the vertical direction, and a notch is formed in the clip 33. When the connecting rod 32 rotates to lift the roller device 31, the rod body of the connecting rod 32 deflects to the clamp 33 under the action of self gravity and is limited by the clamp 33, so that the roller device is not rotated any more; meanwhile, the shaft of the connecting rod 32 is disposed in the recess of the clip 33. Elastic sheets are arranged on two sides in the notch to clamp the connecting rod 32 clamped in the notch, so that the position is limited and stable. An elastic limiting device for limiting the connecting rod 32 when being put down is arranged on the vertical frame 1 and comprises a limiting shaft 37, a limiting plate a34, a limiting plate b35 and a mounting plate 36 which are sequentially arranged in parallel. The limiting plate a34, the limiting plate b35 and the mounting plate 36 are fixedly connected with the vertical frame 1, and the limiting shaft 37 passes through the limiting plate a34, the limiting plate b35 and the mounting plate 36 and can slide in the limiting plate a34, the limiting plate b35 and the mounting plate 36. A pull bolt 39 is fixedly arranged in the middle of the limiting shaft 37, the pull bolt 39 is arranged between the limiting plate b35 and the mounting plate 36, a spring 38 is sleeved on the limiting shaft 37, two ends of the spring 38 are respectively connected with the pull bolt 39 and the mounting plate 36, and the limiting shaft 37 is used for limiting the connecting rod 32. When the roller device 3 is put down, the connecting rod 32 is in the vertical direction, and the periphery of the connecting rod 32 is surrounded by the limiting plate a34, the vertical frame 1, the limiting plate b35 and the limiting shaft 37 respectively, so that limiting is realized. In this limit state, the spring 38 ensures the position of the limit shaft 37 by means of the pull pin 39, avoiding its free withdrawal without external forces. Under the setting, only need to pull the draw bolt 39 to make the spacing axle 37 slide off to the connecting rod 32 is broken off and the switching of the state of lifting up and putting down of roller device 4 can be realized, and the operation is very convenient, swift.
Further, the anti-riot net device also comprises a plurality of buckling foot frames 5. As shown in fig. 6, the opposite buckling foot stand 5 comprises two supporting rods 51 and two bolts 53, each stand 1 is fixedly connected with one supporting rod 51 and one bolt 53, one end, away from the stand 1, of the supporting rod 51 is fixedly provided with a buckling block 52, the buckling block 52 is provided with a buckling groove, and the bolts 53 connected with one stand 1 can be arranged in the buckling block 52 connected with the other stand 1 through the buckling groove.
In specific implementation, the stand 1 is provided with a plurality of support rods 51, and the support rods 51 are perpendicular to the stand 1. On the one hand, the support rod 51 can support the column 1 to prevent the column from tipping inwards. On the other hand, the end of the support rod 51 far away from the stand 1 contacts the ground, which does not cause any obstruction when the barrier net is opened for defense, but is extremely difficult to retract the anti-riot net without lifting the end, and the arrangement can increase the stability of defense after the defense is completed while not affecting quick defense arrangement. One end of each supporting rod 51 is provided with a buckling block 52, and the buckling block 52 is provided with a buckling groove. One end of the supporting rod 51, which is far away from the buckling block 52, is fixedly connected with the vertical frame 1. A plurality of bolts 53 are fixedly arranged on the vertical frames 1, when the anti-riot net is in a retracted state, the two vertical frames 1 are close to each other, and at the moment, the buckling blocks 52 at the end parts of the supporting rods 51 on one vertical frame 1 are buckled on the bolts 53 on the other vertical frame 1 through buckling grooves on the buckling blocks; the two uprights 1 are buckled in such a way that all the supporting rods 51 are supported by the pins 53 and cannot droop to the ground, which makes the supporting rods 51 completely suspended when the support is supported by the roller mechanism 3 in the retracted state, and no resistance is caused to the movement of the uprights 1.
Further, the stand 1 is further provided with a plurality of handle devices 7. As shown in fig. 8, the handle device 7 includes a handle 71 and a stopper 72, the handle 71 is hinged with the stand 1, the stopper 72 is fixedly connected with the stand 1, and the stopper 72 is used for limiting the rotation angle of the handle 71. In specific implementation, the handle 7 is a C-shaped handle, which is used for providing convenience for people to move the stand 1. Because a plurality of anti-riot net devices are often encountered to be combined for use in actual use, the handle 7 can droop below the vertical frame 1 when being combined for use due to the hinged state, the combined part of the two anti-riot nets is not blocked, gaps are avoided, and the condition of infirm sealing and controlling is avoided. The stop block 71 is fixedly arranged on the vertical frame 1, the stop block 71 is used for limiting the rotation of the handle 7, the handle 7 is limited to rotate upwards to be close to the horizontal direction when in use, the direction of force is easier to control when people pull the vertical frame 1 through the handle, and the defense arrangement and recovery of the anti-riot net are more labor-saving and rapid. Meanwhile, the baffle 71 can block the handle 7, so that when the ground is uneven and obstacles exist during the prevention, the upright frame 1 can be directly pulled upwards through the handle 7 to cross the obstacles, and the prevention is more convenient and quicker. Meanwhile, in the process of switching the two states of lifting and lowering the roller device 3, the stand 1 also needs to be pulled up by the handle 7, and the stop block 71 is arranged, so that the operation process is more labor-saving.
Further, the anti-riot net device also comprises a plurality of net receiving connecting devices 6. As shown in fig. 7, the net receiving connection device 6 includes a connection plate 61, an elastic buckle 64, two screws a62, and two wing nuts 63. Two screw rods a62 are fixedly arranged on two vertical frames 1 respectively, one end of a connecting plate 61 is provided with a round hole and sleeved on one screw rod a62 through the round hole, the other end of the connecting plate 61 is provided with a bayonet, the other screw rod a62 can be clamped into the bayonet, an elastic buckle 64 is fixedly arranged on the vertical frame 1 close to one end of the connecting plate 61, which is provided with the round hole, the connecting plate 61 can be clamped into the elastic buckle 64, and each screw rod a62 is connected with a butterfly nut 63 through threads. When the anti-riot net is in a retracted state, the bayonet of the connecting plate 61 is clamped on the other screw rod a62, and at the moment, the two stand frames 1 are tensioned and fixed through the connecting plate 61, so that the blocking net 2 is prevented from being scattered. The wing nuts 63 are arranged to further fix the connecting plates 61 when the anti-riot net is retracted, so that the anti-riot net is prevented from loosening. The elastic buckle 64 is fixedly arranged on the stand 1 connected with the round hole end of the connecting plate 61, when the blocking net 2 needs to be opened, the butterfly nut 63 is loosened, the connecting plate 61 is rotated, and the two stands 1 can lose the connection relationship, so that the operation is simple and quick. When the connecting plate 61 is rotated, the connecting plate 61 can be continuously rotated to be clamped into the elastic buckle 64, the connecting plate 61 can be completely stored without screwing the butterfly nut 63, and the situation that the connecting plate 61 is in an active state to prevent the smooth prevention of the blocking net device from being blocked under the condition of rushing prevention is avoided.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (7)
1. The anti-riot net device capable of being rapidly arranged and retracted is characterized by comprising a bracket and a plurality of telescopic blocking nets (2), wherein the bracket comprises two opposite vertical frames (1), and two ends of each blocking net (2) are respectively connected with the two vertical frames (1); the anti-riot net device is characterized by further comprising a plurality of quick connection devices, wherein the quick connection devices are used for enabling the two anti-riot net devices to be connected quickly;
the quick connection device comprises a hinge (43), a flexible shaft (44), clamping blocks (45), a screw rod (46) and a nut (47), one end of the flexible shaft (44) is fixedly connected with the hinge (43), the other end of the flexible shaft is fixedly connected with the clamping blocks (45), one end of the screw rod (46) is fixedly connected with the clamping blocks (45), the nut (47) is in threaded connection with the screw rod (46), one of the two vertical frames (1) is hinged with the hinge (43), and the other vertical frame (1) is provided with a quick connection groove (411) matched with the clamping blocks (45); the quick connection device further comprises a connection block a (41) and a connection block b (42), wherein the connection block a (41) and the connection block b (42) are respectively and fixedly arranged on the two vertical frames (1), the hinge (43) is hinged with the connection block b (42), the quick connection groove (411) is formed in the connection block a (41), an anti-withdrawal groove (412) is formed in the connection block a (41), and one end, close to the clamping block (45), of the nut (47) is matched with the anti-withdrawal groove (412); the nut (47) is an anti-disassembly nut, the nut (47) comprises a chassis (471), a protective housing (473) and a column body (472) with a special-shaped section, one end of the chassis (471) is fixedly connected with one end of the column body (472), one end of the protective housing (473) is connected with the chassis (471), the column body (472) is arranged in the protective housing (473), and an internal thread hole matched with the screw rod (46) is formed in the column body (472) in a penetrating mode.
2. A rapid deployment and retraction antiriot net device according to claim 1, characterized in that both of the uprights (1) are provided with a number of push rods (48) on the side facing away from the barrier net (2).
3. The anti-riot net device capable of being rapidly arranged and retracted according to claim 1, wherein a plurality of roller mechanisms (3) are arranged at the bottom of the vertical frame (1), each roller mechanism (3) comprises a roller device (31), a connecting rod (32), a clamp (33) and an elastic limiting device, one end of each connecting rod (32) is connected with each roller device (31), the other end of each connecting rod is hinged with the vertical frame (1), the clamp (33) is fixedly arranged on the vertical frame (1), the clamp (33) is used for limiting the connecting rod (32) when being lifted, and the elastic limiting devices are used for limiting the connecting rod (32) when being put down.
4. A rapid deployment and retraction antiriot net device according to claim 3, wherein the elastic limiting device comprises a limiting shaft (37) and a limiting plate a (34), a limiting plate b (35) and a mounting plate (36) which are sequentially arranged in parallel, wherein the limiting plate a (34), the limiting plate b (35) and the mounting plate (36) are fixedly connected with the vertical frame (1), the connecting rod (32) is arranged between the limiting plate a (34) and the limiting plate b (35), and the limiting shaft (37) penetrates through the limiting plate a (34), the limiting plate b (35) and the mounting plate (36) and is slidably connected with the limiting plate a (34), the limiting plate b (35) and the mounting plate (36);
the middle part of spacing axle (37) is fixed be provided with and is pulled bolt (39), pull bolt (39) set up in limiting plate b (35) with between mounting panel (36), cup jointed spring (38) on spacing axle (37), the both ends of spring (38) respectively with pull bolt (39) and mounting panel (36) are connected, spacing axle (37) are used for right connecting rod (32) are spacing.
5. The anti-riot net device capable of being rapidly arranged and retracted according to claim 1, further comprising a plurality of pairs of buckling foot frames (5), wherein each pair of buckling foot frames (5) comprises two supporting rods (51) and two bolts (53), each vertical frame (1) is fixedly connected with one supporting rod (51) and one bolt (53), one end, away from the vertical frame (1), of each supporting rod (51) is fixedly provided with a buckling block (52), each buckling block (52) is provided with a buckling groove, and each bolt (53) connected with one vertical frame (1) can be arranged in each buckling block (52) connected with the other vertical frame (1) through the corresponding buckling groove.
6. The anti-riot net device capable of being rapidly arranged and retracted according to claim 1, further comprising a plurality of net collecting connecting devices (6), wherein each net collecting connecting device (6) comprises a connecting plate (61), an elastic buckle (64), two screw rods a (62) and two butterfly nuts (63), the two screw rods a (62) are respectively fixedly arranged on the two vertical frames (1), one end of each connecting plate (61) is provided with a round hole and sleeved on one screw rod a (62) through the round hole, the other end of each connecting plate (61) is provided with a bayonet, the other screw rod a (62) can be clamped into the bayonet, the elastic buckle (64) is fixedly arranged on the vertical frame (1) close to one end of each connecting plate (61) with the round hole, and each screw rod a (62) can be clamped into the elastic buckle (64) and connected with one butterfly nut (63) through threads.
7. An anti-riot net device capable of being rapidly arranged and retracted according to claim 1, characterized in that a plurality of handle devices (7) are further arranged on the stand (1), the handle devices (7) comprise handles (71) and stop blocks (72), the handles (71) are hinged with the stand (1), the stop blocks (72) are fixedly connected with the stand (1), and the stop blocks (72) are used for limiting the rotation angle of the handles (71).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117748.2A CN109668482B (en) | 2019-02-15 | 2019-02-15 | Anti-riot net device capable of being rapidly arranged and retracted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117748.2A CN109668482B (en) | 2019-02-15 | 2019-02-15 | Anti-riot net device capable of being rapidly arranged and retracted |
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| Publication Number | Publication Date |
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| CN109668482A CN109668482A (en) | 2019-04-23 |
| CN109668482B true CN109668482B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910117748.2A Active CN109668482B (en) | 2019-02-15 | 2019-02-15 | Anti-riot net device capable of being rapidly arranged and retracted |
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| CN (1) | CN109668482B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110887410A (en) * | 2019-12-06 | 2020-03-17 | 重庆铁马专用车有限公司 | Box self-propelled gill net cloth prevents car |
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|---|---|
| CN109668482A (en) | 2019-04-23 |
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