A kind of riot shield
Technical field
The present invention relates to police equipment field, in particular, it is related to a kind of riot shield.
Background technology
Riot shield refers to armed police, a kind of used in the sudden and violent army of the police or town is similar to medieval shield
Defence utensil.Riot shield can push other side and protect oneself in use, can be subtracted by pushing violence crowd
The scope of activities of small violence crowd, is carried out so as to easily facilitate control violence crowd or person more convenient to use to violence crowd
Arrest.And the attack of hard thing, blunt and unclarified liquid can be kept out using riot shield, and can be used for keeping out low speed
Bullet.Purposes riot shield based on more than is sudden and violent on good effect and effect in town.
User is during town is sudden and violent, it is necessary to promote shield to reach by hand-held shield and by the strength of itself
Violence personnel are pushed, reduce the scope of activities of violence personnel, and then violence personnel are arrested.
But it is due to that the simple strength by user is promoted to shield, therefore when violence crowd's strength is larger
Wait, violence crowd can promote shield and user, it is unfavorable that what the generation of such case was moved to town savage act be smoothed out, therefore sets
Meter is a kind of to be rapidly and efficiently necessary to the riot shield that violence personnel are pushed.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of riot shield, the riot shield exists
Strength due to the promotion of violence personnel can be effectively prevented when using so that the phenomenon that shield is retreated, so as to effective right
Violence personnel, which produce, pushes effect, is conducive to town savage act is dynamic to be smoothed out.
To achieve the above object, the invention provides following technical scheme:A kind of riot shield, the riot shield includes
It is provided with the inside of observation window, the shield body and is provided with for hand-held handle, the lower end of the shield body in shield body, the shield body
Two slide openings for being provided with and being connected with the stretching frame sliding in stretching frame, the shield body are provided with, the slide opening is located at described
The both sides of shield body, the stretching frame includes sliding the slide bar being connected with described two slide openings, is set between the slide opening and the slide bar
It is equipped with fixing device;The lower end of the slide bar is provided between two universal wheels, the slide bar and is connected with connecting rod;
The slide bar is provided with hiding groove, the hiding groove close to the side of user positioned at shield and is provided with support
Bar, the lower end of the support bar and hiding groove is hinged;
Stabilizing bracket is additionally provided with the shield body, the stabilizing bracket includes the firm base being fixedly connected in the shield body
Seat, and firm bar be connected is rotated with the firm pedestal, the side of firm bar towards the support bar be provided with and
It is provided with the connecting seat that the support bar is detachably connected, the connecting seat in hole clipping, the hole clipping and is provided with neck, it is described
The end of support bar is provided with the chuck with the neck clamping, and the lower end of two firm bars is fixedly connected with installation axle
Rotary shaft is provided with set, the mounting sleeve, the rotary shaft is connected with the mounting sleeve by bearing, the rotary shaft
Two ends be fixedly connected with wheel;
Brake gear is provided with the middle part of the mounting sleeve, the brake gear includes in the mounting sleeve
The brake in portion mouthful, the brake mouth is the opening around 90 ° to 180 ° of mounting sleeve central shaft, and the brake mouthful is away from user
Side is fixedly connected with one end of elastic brake block, and the other end of the brake block is fixedly connected with take-up device, described
It is curved under brake block nature to set, it is in close contact after being tensed by take-up device with the rotary shaft;It is described to tense dress
Put the pedal including being fixed with the brake block, the bottom of the pedal is provided with articulated section, the articulated section with it is described
The hinged seat that mounting sleeve is provided with rotates connection, and user steps on the pedal, and the pedal is rotated around hinged seat and drawn
The tight brake block, the brake block contacts generation frictional force and then brake with the rotary shaft.
By using above-mentioned technical proposal, it will stretch out after frame is extracted out in slide opening and slide opening and cunning fixed by fixing device
The relative position of bar causes its use for being best suitable for the height of user, support bar is rotated from hiding groove take out afterwards, and
And by, so that stretching out frame, firm bar and shield body formation one are steady after the neck clamping in the chuck and connecting seat on support bar
Fixed structure;Simultaneously because setting universal wheel in the lower end of extension bar, and mounting sleeve is set in the lower end of firm bar, and
Rotary shaft is mounted with by bearing in mounting sleeve, wheel is installed at the two ends of rotary shaft, and passes through mouth and the take-up device of braking
Pedal can control the rotation and stopping of rotary shaft, therefore armed police, the sudden and violent army of the police or town are prevented using this
During sudden and violent shield, when promoting forward, it is not necessary to operate pedal, user only needs to focus on strength on shield and pushed away forward i.e.
Can, need to carry out storage power after user uses strength, the strength prevented to prevent violence promotes user and riot shield
Board, now user slams pedal, and then pedal tenses brake block, and brake block is in close contact with rotary shaft, therefore firm
Two wheels of bar lower end stop operating, therefore, it is possible to prevent violence molecule from promoting shield and user;When user needs again
Secondary promotion shield pushes user, and user can be normally carried out advance by loosening pedal.Because the riot shield makes
Used time can prevent user and shield from being promoted by violence molecule, and user can carry out storage power by pedal, therefore
The sudden and violent efficiency in town can be improved, quick, the efficient and safe progress moved due to town savage act.
The present invention is further arranged to:The fixing device is spring jumping bean, and the spring jumping bean, which includes, is fixed on institute
State and jumping bean body is provided with the mounting bracket in shield body, the mounting bracket, the jumping bean body is fixedly connected with action bars, the jumping bean body
It is provided between the mounting bracket so that the jumping bean body presses to be provided with the compression spring of the slide bar, the slide opening is used for
It is provided with the mounting hole that the jumping bean body passes through, the slide bar multiple by compression spring compression and jumping bean body cooperation
Pit, by adjusting the length that jumping bean body and different pits coordinate regulation slide bar to stretch out slide opening.
By using above-mentioned technical proposal, the cooperation of jumping bean body and pit can be operated by operating action bars, so as to adjust
The position that slide bar stretches out slide opening is saved, so that the angle of inclination that have adjusted shield body disclosure satisfy that the use of the user of different heights
Demand.
The present invention is further arranged to:It is located in the shield body and is provided between the observation window and the handle for convenient
User promotes the buttstrap that the riot shield advances using shoulder.
By using above-mentioned technical proposal, buttstrap is set, user can need to move back violence molecule pushed when, can
To be pushed by buttstrap by the strength of shoulder, because buttstrap can preferably bear the strength of shoulder, while user
Bigger strength can be discharged by shoulder, so the effectively use with user, can be significantly more efficient to violence molecule
Pushed, reach the purpose of reduction violence molecule activity scope.
The present invention is further arranged to:The side of the shield body is provided with some connecting portions being connected with other shields, institute
Stating connecting portion includes the body of rod being fixedly connected in shield body and the connected ball for being fixed on rod end, and the opposite side of the shield body is set
The installation portion coordinated with the connecting portion is equipped with, the installation portion includes the body of rod being fixedly connected in shield body and is fixed on the body of rod
The ball cover of installation half of end, the ball cover of installation half and the connection ball-joint.
By using above-mentioned technical proposal, connecting portion and installation portion be set respectively in the both sides of shield, and connecting portion and
Installation portion is by connected ball and installs half ball cover and is hinged, therefore when multiple shields are pushed to violence molecule, can will be many
Individual shield is hinged together by connected ball and half ball cover, is so independent of each other when multiple shields advance simultaneously, while can keep away
Exempt from the phenomenon that violence molecule breaks through the block of one of shield, therefore, it is possible to be conducive to town savage act is dynamic fast and safely to enter
OK.
The present invention is further arranged to:The brake for the cylindrical shape that the brake block coordinates is provided with the rotary shaft
Portion, the diameter in the brake portion, which is more than in the rotary shaft, the brake portion, is provided with frictional layer.
By using above-mentioned technical proposal, the brake portion rotated is set to be braked, because the diameter in brake portion is more than
Rotary shaft, therefore, it is possible to first produce bigger brake torque in the condition of identical frictional force, it is thus possible to Quick brake;While by
Be more than rotary shaft in brake portion diameter, therefore, it is possible in limited range, brake block can with brake portion is even closer contacts, from
And bigger frictional force is produced, so as to be conducive to the progress rapidly and efficiently of brake;Frictional layer is set in brake portion simultaneously, increased
Big frictional force is so as to promote braking effect.
In summary, the invention has the advantages that:The present invention can be prevented effectively due to violence people when in use
The strength of the promotion of member causes the phenomenon that shield is retreated, and effectively violence personnel can be produced with pushing effect, is conducive to
Town savage act is dynamic to be smoothed out;The present invention can be applicable the user of different heights simultaneously, easy to adjust quick;And this
Invention uses to have simultaneously in multiple shields prevents the effect of the single breakthrough of violence molecule;Used in addition, this riot shield has
Convenient, folded segment space-efficient is a little during storage.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the front view of embodiment;
Fig. 3 is the rearview of embodiment;
Fig. 4 is the configuration schematic diagram of embodiment;
Fig. 5 is the partial enlarged drawing at A in Fig. 4;
Fig. 6 is connecting rod and the attachment structure schematic diagram of connecting seat;
Fig. 7 is the partial enlarged drawing at B in Fig. 6;
Fig. 8 is the structural representation of spring jumping bean in embodiment.
In figure:1st, shield body;2nd, observation window;3rd, handle;4th, hole clipping;5th, slide opening;6th, slide bar;7th, universal wheel;8th, connecting rod;9、
Hide groove;10th, support bar;11st, stabilizing bracket;111st, pedestal is consolidated;112nd, bar is consolidated;12nd, connecting seat;13rd, neck;14th, chuck;
15th, mounting sleeve;16th, rotary shaft;17th, bearing;18th, wheel;19th, brake gear;191st, brake mouth;192nd, brake block;193、
Pedal;194th, articulated section;195th, hinged seat;20th, spring jumping bean;201st, mounting bracket;202nd, jumping bean body;203rd, action bars;
204th, compression spring;205th, mounting hole;206th, pit;21st, buttstrap;22nd, the body of rod;23rd, connected ball;The 24th, half ball cover is installed;25、
Brake portion;26th, frictional layer.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment:A kind of riot shield, as shown in Fig. 1,2 and Fig. 3, including shield body 1, observation window 2 is provided with shield body 1,
And the inner side of shield body 1 is provided with handle 3, easily the riot shield can be operated by the user of handle 3
With it is hand-held.
The top for being located at handle 3 in the inner side of shield body 1 is additionally provided with buttstrap 21, sets buttstrap 21, and user can need
When moving back violence molecule and being pushed, it can be pushed by buttstrap 21 by the strength of shoulder, because buttstrap 21 can be more
The good strength for bearing shoulder, while user can discharge bigger strength by shoulder, so effectively with user's
Use, significantly more efficient violence molecule can be pushed, reach the purpose of reduction violence molecule activity scope.
The lower end of shield body 1 is provided with stretching frame, as shown in figure 4, the stretching frame includes two slide bars 6, two slide bars 6
Bottom is separately installed with universal wheel 7, while being connected between two slide bars 6 so that two formation of slide bar 6 one are integrally-built
Connecting rod 8.Slide opening 5 corresponding with two slide bars 6 is provided with the both sides of shield body 1 simultaneously, two slide bars 6 are slided with two slide openings 5
Move connection.
And it is provided with the device that is relatively fixed between slide opening 5 and slide bar 6.The fixing device is spring jumping bean 20, such as Fig. 4
With shown in Fig. 8, spring jumping bean 20 includes mounting bracket 201, and mounting bracket 201 is fixed in shield body 1, is provided with mounting bracket 201
Jumping bean body 202, jumping bean body 202 is fixedly connected with action bars 203, and action bars 203 stretches out mounting bracket 201, and in jumping bean
Compression spring 204 is installed, the compression spring 204 causes jumping bean body 202 by being set on slide opening 5 between body 202 and mounting bracket 201
Mounting hole 205 press to slide bar 6.So that the position of slide bar 6 and slide opening 5 is relatively fixed.In order that obtaining slide bar 6 and slide opening
5 relative positions are more firm, multiple pits 206 coordinated with jumping bean body 202 set on slide bar 6, by adjusting jumping bean body
202 coordinate the length of the regulation stretching slide opening 5 of slide bar 6 from different pits 206, so that the position height of shield adapts to different bodies
The use of high user.
Simultaneously as shown in figure 4, slide bar 6 is provided with hiding groove 9 positioned at shield close to the side of user, hide in groove 9 and set
Support bar 10 is equipped with, the lower end of support bar 10 and hiding groove 9 is hinged.Support bar 10 is used for the stabilizing bracket 11 with being set in shield body 1
Connection forms stable overall structure.Support bar 10, which is hidden to be arranged in hiding groove 9, simultaneously can be easy to folded segment save space.
Stabilizing bracket 11 is arranged in shield body 1, stabilizing bracket 11 include be fixedly connected on shield body 1 firm pedestal 111 and with
Firm pedestal 111 rotates the firm bar 112 of connection, such as Fig. 6, and being provided with towards the side of the support bar 10 can with support bar 10
Dismantle to set in hole clipping 4, hole clipping 4 on the connecting seat 12 of connection, connecting seat 12 and be provided with neck 13, and the end of support bar 10 is set
The chuck 14 with the clamping of neck 13 is equipped with, by the connection of chuck 14 and neck 13 so as to complete being detachably connected for the two.
The lower end of two firm bars 112 is fixedly connected with mounting sleeve 15, mounting sleeve 15 and is provided with rotary shaft 16, turns
Moving axis 16 and bearing 17 is connected between mounting sleeve 15, such as Fig. 4.At the two ends of rotary shaft 16 and the fixed-link of wheel 18.Peace
The middle part of dress axle sleeve 15 is provided with brake gear 19, such as Fig. 5, and the brake gear 19 includes being located at the brake at the middle part of mounting sleeve 15
Mouthfuls 191, brake mouthful 191 is that the opening in the opening around 90 ° or 135 ° or 180 ° of 15 central shaft of mounting sleeve, this figure is 90 °.
Side of the brake mouth 191 away from user is fixedly connected with one end of elastic brake block 192, brake block 192
The other end be fixedly connected with take-up device.Curved under the nature of brake block 192 to set, the brake block 192 is steel
Iron plate be made it is flexible.After being tensed by take-up device, brake block 192 closely connects with the brake portion 25 in rotary shaft 16
Touch.It is bigger therefore, it is possible to first be produced in the condition of identical frictional force because the diameter in brake portion 25 is more than the diameter of rotary shaft 16
Brake torque, it is thus possible to Quick brake;Simultaneously because the diameter of brake portion 25 is more than rotary shaft 16, therefore, it is possible in limited model
In enclosing, brake block 192 can with brake portion 25 is even closer contacts, so that bigger frictional force is produced, so as to be conducive to brake
Progress rapidly and efficiently;Frictional layer 26, increasing friction force are set in brake portion 25 so as to promote braking effect simultaneously.
The take-up device includes the pedal 193 being fixedly connected with brake block 192, and the bottom of pedal 193 sets hinged
Socket part 194, articulated section 194 rotates with hinged seat 195 fixed in mounting sleeve 15 and is connected, therefore when user steps on pedal
193, pedal 193 is rotated around hinged seat 195 tenses brake block 192, and brake block 192 contacts generation frictional force with brake portion 25 and entered
And brake.
Connecting portion and installation portion are set respectively in the both sides of shield, and connecting portion includes the body of rod being fixedly connected in shield body 1
22 include the body of rod 22 being fixedly connected in shield body 1 and are fixed on bar with the connected ball 23 for being fixed on the end of the body of rod 22, installation portion
The ball cover 24 of installation half of the end of body 22.And connecting portion and installation portion are hinged by connected ball 23 and half ball cover 24 of installation, therefore
When multiple shields are pushed to violence molecule, multiple shields can be hinged together by the ball cover of connected ball 23 and half, this
Sample is independent of each other when multiple shields advance simultaneously, while showing for the block of the one of shield of violence molecule breakthrough can be avoided
As therefore, it is possible to be conducive to the fast and safely progress that town savage act is dynamic.
Above-mentioned riot shield when in use, will stretch out after frame is extracted out in slide opening 5 and fix the He of slide opening 5 by fixing device
The relative position of slide bar 6 causes its use for being best suitable for the height of user, support bar 10 is rotated from hiding groove 9 take afterwards
Go out, and so that stretch out frame, bar 112 will be consolidated after the clamping of neck 13 on the chuck 14 on support bar 10 and connecting seat 12
With the one stable structure of formation of shield body 1;Simultaneously because universal wheel 7 is set in the lower end of extension bar, and in firm bar 112
Lower end setting mounting sleeve 15, and rotary shaft 16, the two ends peace of rotary shaft 16 are mounted with by bearing 17 in mounting sleeve 15
Wheel 18 is filled, and the rotation and stopping of rotary shaft 16 can be controlled by the pedal 193 of brake mouth 191 and take-up device,
Therefore armed police, the sudden and violent army of the police or town are when using the riot shield, when promoting forward, it is not necessary to operate pedal
193, user only needs to focus on strength on shield and pushed away forward, needs to be stored after user uses strength
Power, the strength prevented to prevent violence promotes user and riot shield, and now user slams pedal 193, and then steps on
Pedal 193 tenses brake block 192, and brake block 192 is in close contact with rotary shaft 16, therefore two wheels of the firm lower end of bar 112
18 stop operating, therefore, it is possible to prevent violence molecule from promoting shield and user;When user needs to promote shield to push again
User, user can be normally carried out advance by loosening pedal 193.Because the riot shield can be prevented when in use
User and shield are promoted by violence molecule, and user can carry out storage power by pedal 193, therefore, it is possible to improve town
Sudden and violent efficiency, quick, the efficient and safe progress moved due to town savage act.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.