CN111854537B

CN111854537B - Target for gun

Info

Publication number: CN111854537B
Application number: CN202010774489.3A
Authority: CN
Inventors: 刘国栋
Original assignee: Shijiazhuang Zhuoyan Electronic Technology Co ltd
Current assignee: Shijiazhuang Zhuoyan Electronic Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2023-02-10
Anticipated expiration: 2040-08-04
Also published as: CN111854537A

Abstract

The invention provides a gun target, which belongs to the technical field of shooting training equipment and comprises a target surface, a roll-over stand, a support frame, support legs and a connecting rod, wherein the roll-over stand is used for supporting the target surface, the position of the target surface on the roll-over stand is adjustable, the target surface is telescopically sleeved on the roll-over stand through a splicing telescopic mechanism, the support frame is used for supporting the roll-over stand, the roll-over stand is hinged with the support frame and can rotate around a hinged point, a first accommodating groove is formed in the lower part of the support frame, the support legs are arranged on the front side and the back side of the support frame and are used for supporting the support frame, second accommodating grooves are formed in the support legs, one ends of the connecting rod are hinged with the lower part of the support frame, the other ends of the connecting rod are hinged with the middle parts of the support legs, and the connecting rod and the support legs can be accommodated in the first accommodating grooves. The gun target has the technical effects that the target surface and the roll-over stand can be contracted and folded, the occupied space is small, the height and the position of the target surface can be adjusted according to scenes during use, the target surface is stably supported, the gun target is convenient to store and fold, and the gun target is convenient to carry and transport.

Description

Target for gun

Technical Field

The invention belongs to the technical field of shooting training equipment, and particularly relates to a gun target.

Background

Shooting training is an indispensable training subject of army, armed police and police systems, and is a training mode for training shooting feeling and firearm proficiency; shooting is also a sports event, and shooting athletes also need to carry out shooting training; training equipment that can use usually includes shooting gun and target at the shooting training in-process, places the target in the position that has certain distance apart from shooter, and shooter holds the shooting gun to shooting on the target, can make the skilled, safe use gun of shooter like this, realize the purpose of accurate shooting. However, in the prior art, the target for shooters fixes a target surface on a support rod, and the support is placed on a shooting field, so that the target can be used. Because the shooting site is generally land, hills or hills and the like, the supporting rod is only inserted into the ground for supporting the gun target, the target surface can shake after being vibrated in the shooting process, the supporting is very unstable, and the shooting score of a shooter is easily influenced; and current target is bulky, leads to carrying in the transportation inconvenient, collides with easily, and the cost of transportation is high, and it is inconvenient to deposit and withdraw and put. Therefore, there is an urgent need to develop a target that can support a target, can stably support the target, does not shake during shooting, can stably support the target, and occupies a small space during storage.

Disclosure of Invention

The invention aims to provide a gun target, and aims to solve the technical problems that an existing gun target supporting device is unstable in supporting and inconvenient to carry, transport and store.

In order to realize the purpose, the invention adopts the technical scheme that: the guntarget comprises a target surface, a turning frame, a support frame, support legs and a connecting rod, wherein the target surface is used for shooting; the overturning frame is used for supporting the target surface, the position of the target surface on the overturning frame is adjustable, and the target surface is telescopically sleeved on the overturning frame through an inserting telescopic mechanism; the support frame is used for supporting the turnover frame, the turnover frame is hinged with the support frame and can rotate around a hinged point, and a first accommodating groove is formed in the lower portion of the support frame; the number of the supporting legs is four, the four supporting legs are arranged on the front side and the back side of the supporting frame and used for supporting the supporting frame, one end of each supporting leg is used for being abutted to the supporting frame, the other end of each supporting leg is used for being abutted to the ground, and a second accommodating groove is formed in each supporting leg; one end of each of the four connecting rods is hinged with the lower part of the support frame, and the other end of each of the four connecting rods is hinged with the middle part of the support leg; the connecting rod with the pin joint of support frame is the center to being close to the direction rotation of first holding in the groove, simultaneously the supporting leg with the pin joint of connecting rod is the center to being close to the direction rotation of first holding in the groove, the connecting rod is accomodate inside the second holds in the inslot, the supporting leg is accomodate first holding in inslot portion, and a supporting leg correspondence sets up a connecting rod.

As another embodiment of this application, the target surface includes the target surface body and encloses and locate the frame of target surface outside edge, the frame passes through the flexible cup joint of grafting telescopic machanism is in on the roll-over stand.

As another embodiment of this application, grafting telescopic machanism is elasticity ball telescopic machanism, the frame both sides are equipped with elasticity ball respectively the roll-over stand both sides be equipped with respectively a plurality of top-down in proper order equidistant linear arrangement with the ball groove of elasticity ball looks adaptation, the elasticity ball is arranged in back in the ball inslot, the frame is spacing on the roll-over stand, the target surface is in position on the roll-over stand is with the help of the ball groove of the different positions of elasticity ball joint is adjusted.

As another embodiment of this application, be located on the support frame with the below of roll-over stand pin joint is equipped with bumps, works as the roll-over stand winds the support frame rotates the back, roll-over stand direction of height with the direction of height of support frame is back on same vertical line, bump the pearl and be used for spacingly the roll-over stand.

As another embodiment of the present application, a hinge point of the connecting rod and the supporting frame is located inside the first accommodating groove, and a hinge point of the connecting rod and the supporting leg is located inside the second accommodating groove; the support frame includes that two mutual parallel arrangement's stand and many are parallel to each other locate two crossbeam between the stand, the stand is transversal to be the I shape, the supporting leg is transversal to be the C style of calligraphy.

As another embodiment of this application, the one end of propping with ground on the supporting leg is equipped with the supporting legs, the supporting legs pass the supporting leg and with the supporting leg spiro union, four the height that the supporting leg supported on the ground is with the help of the supporting legs is adjusted.

As another embodiment of the present application, a fixing thorn is disposed in the second accommodating groove, one end of the fixing thorn is hinged to the inside of the second accommodating groove, the other end of the fixing thorn is a free end, the fixing thorn can rotate around a hinge point and can be inserted into the ground, and the fixing thorn is used for fixing the supporting leg; and magnetic steel is fixedly arranged on the supporting leg and used for attracting the fixed thorn to the inside of the second accommodating groove when the fixed thorn is close to the second accommodating groove.

As another embodiment of this application, be equipped with the through-hole on the supporting leg, the position of through-hole with fixed thorn is close to the position alignment of the free end behind the groove is accomodate to the second passes the through-hole can push away fixed thorn is to keeping away from the direction rotation that the groove was accomodate to the second.

As another embodiment of the present application, the hinge point of the connecting rod and the supporting leg is connected by a hinge bolt; the support frame is provided with a clamping groove for accommodating the hinge bolt, the connecting rod is accommodated in the second accommodating groove, the supporting leg is accommodated in the first accommodating groove, and the hinge bolt can be accommodated in the clamping groove.

As another embodiment of this application, the width of connecting rod is less than the second accomodates the inside width in groove, the width of supporting leg is less than the inside width in first accomodate the groove.

The gun target provided by the invention has the beneficial effects that: compared with the prior art, the target surface is connected to the roll-over stand, the roll-over stand is connected to the support frame, the position of the target surface on the roll-over stand is adjustable, the roll-over stand can rotate relative to the support frame, the target surface can stretch into the roll-over stand, the roll-over stand can be folded towards the support frame, occupied space is saved, the support frame is supported on the ground through the support legs, the support legs stably support the support frame, the target surface can be stably supported, the connecting rods can be folded into the second accommodating grooves of the support legs through the hinging action of the connecting rods, the support legs can be folded into the first accommodating grooves of the support frame, the target surface is stably supported and is easy to fold, the technical problems that a support device of the existing target is unstable in support, the target surface and the roll-over stand are telescopic and foldable, occupied space is small, the height and the position of the target surface can be adjusted according to scenes when the target surface is used, the target surface is stably supported, the target surface is convenient to store and fold and is convenient to carry and transport.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a target according to an embodiment of the present invention;

fig. 2 is an exploded view of a target according to an embodiment of the present invention;

FIG. 3 is a side view of a target according to an embodiment of the present invention;

fig. 4 is a front view of a target according to an embodiment of the present invention.

In the figure: 1. a target surface; 2. a roll-over stand; 3. a support frame; 31. a column; 32. a cross beam; 4. supporting legs; 5. a connecting rod; 6. a first receiving groove; 7. a second receiving groove; 8. a frame; 9. an elastic ball; 10. a ball groove; 11. bumping beads; 12. supporting legs; 13. fixing the thorn; 14. magnetic steel; 15. a through hole; 16. a clamping groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a target according to the present invention will be described. A guntarget comprises a target surface 1, a roll-over stand 2, a support frame 3, support legs 4 and a connecting rod 5, wherein the target surface 1 is used for shooting; the roll-over stand 2 is used for supporting the target surface 1, the position of the target surface 1 on the roll-over stand 2 is adjustable, and the target surface 1 is telescopically sleeved on the roll-over stand 2 through an inserting telescopic mechanism; the support frame 3 is used for supporting the turnover frame 2, the turnover frame 2 is hinged with the support frame 3 and can rotate around the hinged point, and the lower part of the support frame 3 is provided with a first accommodating groove 6; the four support legs 4 are arranged on the front side and the back side of the support frame 3 and used for supporting the support frame 3, one end of each support leg 4 is used for being abutted against the support frame 3, the other end of each support leg 4 is used for being abutted against the ground, and a second accommodating groove 7 is formed in each support leg 4; four connecting rods 5 are provided, one end of each connecting rod is hinged with the lower part of the support frame 3, and the other end of each connecting rod is hinged with the middle part of the support leg 4; connecting rod 5 uses the pin joint with support frame 3 as the center to rotating to the direction that is close to first storage tank 6, and supporting leg 4 uses the pin joint with connecting rod 5 to rotate to the direction that is close to first storage tank 6 as the center simultaneously, and connecting rod 5 is accomodate at the second inside 7, and supporting leg 4 is accomodate at first storage tank 6 inside, and a supporting leg 4 corresponds and sets up a connecting rod 5.

The gun target provided by the invention has the beneficial effects that: compared with the prior art, the target surface 1 is connected to the roll-over stand 2, the roll-over stand 2 is connected to the support frame 3, the position of the target surface 1 on the roll-over stand 2 is adjustable, the roll-over stand 2 can rotate relative to the support frame 3, the target surface 1 can stretch into the roll-over stand 2, the roll-over stand 2 can be folded towards the support frame 3, occupied space is saved, the support frame 3 is supported on the ground through the support legs 4, the support legs 4 stably support the support frame 3, the target surface 1 can be stably supported, the connecting rods 5 can be folded into the second accommodating grooves 7 of the support legs 4 through the hinging action of the connecting rods 5, the support legs 4 can be folded into the first accommodating grooves 6 of the support frame 3, the target surface 1 is stably supported and is easy to fold, the technical problems that a support device of the existing target is unstable in support and inconvenient to carry, transport and store are solved, the target surface 1 and the roll-over stand 2 can stretch into and can be folded, occupied space is small, the technical problem that the height and the position of the target surface 1 can be adjusted according to a scene when the target surface 1 is stably supported, the target surface 1 is convenient to be conveniently to be stored and folded, and is convenient to carry, and transport.

Specifically, roll-over stand 2 includes two relative and parallel arrangement's cell body, and two cell bodies all are the C style of calligraphy, or the cell body is the structure of channel-section steel, all articulated the setting on the medial surface of support frame 3.

When using the gun target, with 1 flexible installations of target surface to roll-over stand 2 on, again with 2 articulated installations of roll-over stand to support frame 3 on, can adjust the position of target surface 1 on roll-over stand 2 like this, also can adjust roll-over stand 2 for the turned angle of support frame 3, or the orientation of target surface 1 on the roll-over stand 2, through adjusting the back, more be favorable to the shooting training like this.

In addition, the supporting legs 4 and the connecting rods 5 are respectively unfolded, so that the supporting legs 4 are supported on the ground, the supporting frame 3 is convenient to fixedly support, when the target needs to be folded after use, the connecting rods 5 are accommodated in the second accommodating grooves 7, and the supporting legs 4 are accommodated in the first accommodating grooves 6, so that the size of the target is reduced, and the target is convenient to carry; the supporting position of the supporting leg 4 is limited by the support of the supporting frame 3, and the included angle between the connecting rod 5 and the supporting frame 3 is approximate right angle.

Before beginning the shooting training, take out the target, fix target face 1 on support frame 3, take out supporting leg 4 downwards from first accomodating groove 6, connecting rod 5 uses the pin joint with support frame 3 to rotate downwards as the center, supporting leg 4 uses the pin joint with connecting rod 5 to be center downwardly rotating and be an angle with ground, make supporting leg 4 upper end fixed support lean on in first accomodating groove 6, all supporting legs 4 all pull out after fixed for the target provides firm support, can carry out the shooting training. After the training, when needing to be packed up the target, earlier with supporting leg 4 with the pin joint with connecting rod 5 as the center outwards rotatory, make the upper end and the first groove 6 of accomodating of supporting leg 4 leave, later connecting rod 5 uses the pin joint with support frame 3 as the center upwards rotatory, connecting rod 5 is accomodate to the second in accomodating groove 7, supporting leg 4 simultaneously use and connecting rod 5 between the pin joint as the center rotatory and with connecting rod 5 together accomodate to the first groove 6 of accomodating, can reduce the volume of target like this, portable and deposit.

Referring to fig. 1 to 4, a target surface 1 includes a target surface 1 body and a frame 8 surrounding the outer edge of the target surface 1, and the frame 8 is telescopically sleeved on a roll-over stand 2 through an insertion telescopic mechanism.

As a specific embodiment of the target of the present invention, please refer to fig. 1 to 4, the inserting and retracting mechanism is an elastic ball retracting mechanism, two sides of the frame 8 are respectively provided with an elastic ball 9, two sides of the roll-over stand 2 are respectively provided with a plurality of ball grooves 10 which are sequentially arranged in a straight line at equal intervals from top to bottom and are matched with the elastic ball 9, after the elastic ball 9 is arranged in the ball groove 10, the frame 8 is limited on the roll-over stand 2, and the position of the target surface 1 on the roll-over stand 2 is adjusted by the elastic ball 9 being clamped with the ball grooves 10 at different positions. The ball grooves 10 on the two sides of the roll-over stand 2 are bilaterally symmetrical and have the same height, and the elastic balls 9 on the two sides of the frame 8 are both bilaterally symmetrical and have the same height. The elastic ball 9 can be just clamped in one of the ball grooves 10, so that the height or the position of the frame 8 can be limited.

Specifically, the interval of two adjacent ball grooves 10 is set to 5cm, 5 ball grooves 10 are arranged in total, when the height of the target surface 1 needs to be adjusted, the frame 8 is pulled up, the elastic ball 9 is retracted from the ball grooves 10 under the action of external force, the elastic ball 9 is separated from the ball grooves 10, the elastic ball 9 can be adjusted to the other ball groove 10, and the height or the position of the target surface 1 or the frame 8 on the roll-over stand 2 can be adjusted through the mode. When not using target surface 1, can dismantle it from roll-over stand 2, be convenient for reduce the area occupied of target, shorten the length of target, make the target portable, easily transport and transportation.

According to the shooting height, the adjusting height range of the target surface 1 on the roll-over stand 2 is 1.5m-1.7m away from the ground, namely the adjusting space of the target surface 1 on the roll-over stand 2 is 20cm, the adjusting height can be adjusted according to the shooting heights of people with different heights, and the adjusting is convenient. Directly pulling or lowering the target surface 1 on the roll-over stand 2.

As an embodiment of the present invention, please refer to fig. 1 to 4, a collision bead 11 is disposed below a hinge point of the support frame 3 and the turning frame 2, and after the turning frame 2 rotates around the support frame 3, the height direction of the turning frame 2 and the height direction of the support frame 3 are on the same vertical line, and the collision bead 11 is used for limiting the turning frame 2.

Specifically, the principle of hitting the pearl 11 has been prior art, when the roll-over stand 2 does not contact hitting the pearl 11, can rotate wantonly, when the roll-over stand 2 contacts hitting the pearl 11, hit the pearl 11 with roll-over stand 2 spacing, make roll-over stand 2 be vertical state, the person of being convenient for shooter shoots etc. to target surface 1.

Specifically, the target surface 1 can be a traditional mechanical target or a laser target, in the embodiment, the target surface 1 is the laser target, the laser target is a holographic laser electronic target, and most statistics of shooting scores still pass through a manual target reporting method in shooting competitions and military shooting training; the target scoring precision is not high due to the influence of human factors, environmental factors and the like, and athletes or soldiers cannot correctly know the scores of the athletes or the soldiers, so that the improvement of the target scoring level is not facilitated; manual target scoring also has major problems in terms of efficiency and safety; based on a computer and an electronic technology automatic target scoring system (electronic target), the system has absolute advantages and is widely applied compared with manual target scoring in the aspects of justice, real time, safety, simplicity, cost and precision; therefore, in this embodiment, the target surface 1 is selected to be a more advantageous laser target.

As an embodiment of the present invention, please refer to fig. 1 to 4, a hinge point of the connecting rod 5 and the supporting frame 3 is located inside the first accommodating groove 6, and a hinge point of the connecting rod 5 and the supporting leg 4 is located inside the second accommodating groove 7.

The support frame 3 comprises two columns 31 which are arranged in parallel and a plurality of beams 32 which are arranged between the two columns 31 in parallel, the cross section of each column 31 is I-shaped, and the cross section of each support leg 4 is C-shaped. The upright column 31, the cross beam 32 and the supporting legs 4 are profile members, the profile has certain strength and toughness, certain mechanical and physical properties and good weldability, and stronger bearing capacity is achieved, so that the requirement of supporting the target surface 1 is met.

The crossbeam 32 guarantees that the distance between two stands 31 is fixed unchangeable, and target surface 1 is located support frame 3 upper portion, and supporting leg 4 is used for providing the support for support frame 3.

Referring to fig. 1 to 4, as an embodiment of the present invention, a supporting leg 12 is disposed at one end of the supporting leg 4 abutting against the ground, the supporting leg 12 penetrates through the supporting leg 4 and is screwed with the supporting leg 4, and the height of the four supporting legs 4 supported on the ground is adjusted by the supporting leg 12. The supporting legs 12 comprise a supporting seat and a supporting rod, the supporting rod is a screw rod and is in threaded connection with one end of the supporting leg 4, the supporting seat is supported on the ground, the abutting position of the supporting seat and the ground can be adjusted by screwing the supporting rod, and therefore the supporting stability of the supporting frame 3 can be adjusted.

When the ground is uneven, the support stability of the support frame 3 can be adjusted by adjusting the four support legs 12, and the support stability of the target surface 1 can be adjusted.

In this embodiment, supporting legs 12 are dull and stereotyped adjustment foot, including stabilizer blade and adjusting screw, adopt stainless steel or iron material to make, the stainless steel is corrosion-resistant durable, have stronger ability of weighing, the stabilizer blade contact ground's of dull and stereotyped adjustment foot area is great, and be furnished with the callus on the sole, shockproof non-slip property is good, have the screw hole with the adjusting screw looks adaptation of plane adjustment foot on the supporting leg 4, during the use with adjusting screw precession to the screw hole, according to the actual training condition height-adjusting, and then adjustment target surface 1 height.

What need explain here is that, when the military shooting training was gone on in the field, often can meet unevenness's ground, when the subaerial time of unevenness was placed to the support frame 3 of target, accessible supporting legs 12 adjustment made the highly uniform of supporting leg 4, guaranteed the steady of support frame 3, prevented to lead to the support frame 3 to empty because of ground unevenness, guaranteed that the shooting training goes on smoothly.

Referring to fig. 1 to 4, a fixing pin 13 is disposed in the second receiving groove 7, one end of the fixing pin 13 is hinged to the inside of the second receiving groove 7, the other end is a free end, the fixing pin 13 can rotate around the hinge point and can be inserted into the ground, and the fixing pin 13 is used for fixing the supporting leg 4. By stabbing the fixing stabs 13 below the ground, the stability of the support legs 4 will be enhanced.

When the connecting rod 5 is located in the second accommodating groove 7, the connecting rod 5 occupies a part of the space of the second accommodating groove 7, and the fixing pin 13 is not in contact with the connecting rod 5, i.e., the fixing pin 13 and the connecting rod 5 are respectively located in the second accommodating groove 7, and the fixing pin 13 and the connecting rod 5 do not affect each other. Specifically, the supporting legs 4 and the second receiving grooves 7 have a length long enough to receive the fixing spines 13 and the connecting rods 5.

In this embodiment, the fixing pin 13 is a member similar to a pin and can be smoothly inserted into the ground to reinforce the fixing leg 4. When the fixing pin 13 is not required to be used, the fixing pin 13 may be folded into the second receiving groove 7.

In this embodiment, the supporting leg 4 is fixedly provided with a magnetic steel 14, and the magnetic steel 14 is used for attracting the fixing pin 13 to the inside of the second accommodating groove 7 when the fixing pin 13 is close to the second accommodating groove 7. After the fixed thorn 13 is folded into the second accommodating groove 7, in order to prevent the fixed thorn 13 from slipping or rotating from the second accommodating groove 7, the fixed thorn 13 can be attracted by the magnetic steel 14, so that the fixed thorn 13 is not easy to fall from the second accommodating groove 7 under natural conditions. On the contrary, when the fixing pin 13 is manually rotated, the fixing pin 13 can be rotated in the second receiving groove 7, so that the fixing pin 13 can be used.

Specifically, the magnetic steel 14 has a certain magnetic attraction force, i.e., magnetism, and other magnetic materials such as a magnet may be used. The magnetic steel 14 is fixedly arranged inside the second accommodating groove 7 and is used for attracting the fixing pin 13.

As an embodiment of the target of the present invention, please refer to fig. 1 to 4, the supporting leg 4 is provided with a through hole 15, the position of the through hole 15 is aligned with the position of the fixing pin 13 near the free end of the second receiving slot 7, and the fixing pin 13 can be pushed to rotate in the direction away from the second receiving slot 7 by passing through the through hole 15. The manual work can pass through-hole 15 with finger or shaft-like object to push against fixed thorn 13, make fixed thorn 13 overcome the magnetic force of magnet steel 14, fixed thorn 13 takes place to rotate around the pin joint this moment, has realized the effect of taking out fixed thorn 13.

As an embodiment of the target of the present invention, please refer to fig. 1 to 4, a hinge point of the connecting rod 5 and the supporting leg 4 is connected by a hinge bolt, a slot 16 for accommodating the hinge bolt is disposed on the supporting frame 3, the connecting rod 5 is received in the second receiving slot 7, and the hinge bolt can be received in the slot 16 after the supporting leg 4 is received in the first receiving slot 6. The distance from the hinged point of the connecting rod 5 and the supporting leg 4 to the abutting end of the supporting leg 4 and the supporting frame 3 is less than the length of the connecting rod 5, so that the connecting rod 5 can be completely folded into the second accommodating groove 7.

Specifically, the both ends of articulated bolt are the arch to surpass supporting leg 4's width, when supporting leg 4 accomodates in to first accomodating groove 6, then supporting leg 4 can not all enter into first accomodating groove 6 in, through the draw-in groove 16 that is equipped with, can hold articulated bolt's both ends head, can make supporting leg 4 accomodate to first accomodating in the groove 6 completely like this.

In this embodiment, draw-in groove 16 is a plurality of, all locates the both ends of the positive both ends of support frame 3 and the both ends of reverse side, supplies articulated bolt to accomodate the use, can reduce the area occupied that supporting leg 4 accomodate like this, is convenient for deposit and transport.

As a specific embodiment of the target of the present invention, please refer to fig. 1 to 4, the width of the connecting rod 5 is smaller than the inner width of the second accommodating groove 7, and the width of the supporting leg 4 is smaller than the inner width of the first accommodating groove 6, so as to ensure smooth storage and folding, and facilitate storage and transportation.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A target, comprising:

a target surface;

the turnover frame is used for supporting the target surface, the position of the target surface on the turnover frame is adjustable, and the target surface is telescopically sleeved on the turnover frame through an inserting telescopic mechanism;

the support frame is used for supporting the turnover frame, the turnover frame is hinged with the support frame and can rotate around a hinged point, and a first accommodating groove is formed in the lower portion of the support frame;

the four support legs are arranged on the front side and the back side of the support frame and used for supporting the support frame, one end of each support leg is used for abutting against the support frame, the other end of each support leg is used for abutting against the ground, and a second accommodating groove is formed in each support leg; and

one end of each of the four connecting rods is hinged with the lower part of the support frame, and the other end of each of the four connecting rods is hinged with the middle part of the support leg; the connecting rod rotates towards the direction close to the first accommodating groove by taking a hinge point of the connecting rod as a center, the supporting leg rotates towards the direction close to the first accommodating groove by taking the hinge point of the connecting rod as a center, the connecting rod is accommodated in the second accommodating groove, and the supporting leg is accommodated in the first accommodating groove;

a fixed thorn is arranged in the second accommodating groove, one end of the fixed thorn is hinged with the inside of the second accommodating groove, the other end of the fixed thorn is a free end, the fixed thorn can rotate around a hinged point and can be inserted into the ground, and the fixed thorn is used for fixing the supporting leg;

and magnetic steel is fixedly arranged on the supporting leg and used for attracting the fixed thorn to the inside of the second accommodating groove when the fixed thorn is close to the second accommodating groove.

2. The target of claim 1, wherein: the target surface comprises a target surface body and a frame arranged on the outer edge of the target surface in a surrounding mode, and the frame is in telescopic sleeve joint with the overturning frame through the inserting telescopic mechanism.

3. The target of claim 2, wherein: the splicing telescopic mechanism is an elastic ball telescopic mechanism, elastic balls are arranged on two sides of the frame respectively, a plurality of ball grooves which are sequentially arranged in a straight line at equal intervals from top to bottom and are matched with the elastic balls are arranged on two sides of the roll-over stand respectively, the elastic balls are arranged in the ball grooves, the frame is limited on the roll-over stand, and the positions of the target surface on the roll-over stand are adjusted by means of the ball grooves which are connected with the elastic balls in different positions in a clamping manner.

4. The target of claim 1, wherein: the ball is touched to the below that is located on the support frame with roll-over stand pin joint, works as the roll-over stand winds after the support frame rotates, roll-over stand direction of height with the direction of height of support frame is behind on same vertical line, touch the ball and be used for spacing the roll-over stand.

5. The target of claim 1, wherein: the hinge point of the connecting rod and the supporting frame is positioned in the first accommodating groove, and the hinge point of the connecting rod and the supporting leg is positioned in the second accommodating groove;

the support frame includes that two mutual parallel arrangement's stand and many are parallel to each other locate two crossbeam between the stand, the stand is transversal to be the I shape, the supporting leg is transversal to be the C style of calligraphy.

6. The target of claim 1, wherein: supporting legs are arranged at one ends, abutted to the ground, of the supporting legs, the supporting legs penetrate through the supporting legs and are in threaded connection with the supporting legs, and the height of the four supporting legs, which are supported on the ground, is adjusted by means of the supporting legs.

7. The target of claim 1, wherein: the supporting legs are provided with through holes, the positions of the through holes are aligned with the positions of the free ends of the fixed thorns close to the second accommodating groove, and the fixed thorns can be pushed to rotate in the direction far away from the second accommodating groove after penetrating through the through holes.

8. The target of claim 5, wherein: the hinge point of the connecting rod and the support leg is connected through a hinge bolt; the support frame is provided with a clamping groove for accommodating the hinge bolt, the connecting rod is accommodated in the second accommodating groove, the supporting leg is accommodated in the first accommodating groove, and the hinge bolt can be accommodated in the clamping groove.

9. The target of claim 1, wherein: the width of connecting rod is less than the inside width in second storage groove, the width of supporting leg is less than the inside width in first storage groove.