Portable car arrester

Abstract

The utility model relates to the technical field of roadblocks, and provides a portable car arrester which comprises at least two containing frame bodies, telescopic pieces connected with the adjacent containing frame bodies and tire breaking pieces arranged on the telescopic pieces. One end of the placing frame body extends upwards to form a car stopping part; the telescopic piece is of a parallelogram-shaped connecting rod structure formed by hinging a plurality of connecting rods, the tire breaking pieces are arranged on the surfaces of the connecting rods, and the telescopic piece can be rolled by a vehicle; according to the utility model, the tire breaking nail is arranged on the telescopic piece, so that the mounting and dismounting of the tire breaking nail are omitted, and the effect of intercepting vehicles is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roadblock technical field, especially a portable vehicle stopper. BACKGROUND

[0002] The traditional roadblock is an obstacle set on the road by the people's police when performing duties, and the traffic police need to stop the vehicles violating the traffic rules when performing the law enforcement, in order to prevent the stopped vehicles from escaping and prevent the collision incidents from happening, and to protect the life safety of the on-duty police, so the on-duty police generally use the tire breaker to stop the vehicles.

[0003] CN216689175U discloses a portable telescopic vehicle stopper, which comprises a plurality of bottom beams, one end of one of the bottom beams is connected with a driver, one side of each of the bottom beams is provided with a tire breaking pull plate, one side of each of the bottom beams away from the tire breaking pull plate is provided with a vertical arm, the top of the vertical arm near the side of the tire breaking pull plate is provided with a connecting plate, and the side of the vertical arm away from the connecting plate is provided with a first upper hanging rod and a second upper hanging rod.

[0004] CN106894363B discloses an external tire breaker, which comprises a groove shell, a continuous stab shell and a transmission shaft; one end of the continuous stab shell is connected with the groove shell through the transmission shaft, and the continuous stab shell can rotate around the transmission shaft; the other end of the continuous stab shell is a knife stab; the thickness of the end of the continuous stab shell connected with the groove shell gradually increases, and the tail part is cut to be in contact with the groove shell when the knife stab rises to the highest point, thereby providing sufficient support force and limiting function for the penetration of the knife stab; a groove is formed on the upper surface of the groove shell, the depth of the groove is smaller than that of the upper surface of the groove shell, which can support the knife stab not to fall into the groove shell and also play a dustproof and waterproof role; the shape and size of the groove are the same as those of the knife stab at one end of the continuous stab shell, so as to ensure the smooth surface of the groove shell when used as a deceleration strip; the groove shell is bent downward to the bottom on one side of the groove to form a support structure, the support structure is further bent to the transmission shaft at the bottom, and the other side of the groove is bent into an inclined surface.

[0005] In the prior art, in order to meet the convenient storage requirement, the vehicle stopper is set to be telescopic, but the installation of the tire breaking nail in the vehicle stopper is usually through setting a tire breaking pull plate, the tire breaking nail is arranged on the tire breaking pull plate, and the tire breaking pull plate needs to be removed for storage when the vehicle stopper is stored, and the tire breaking pull plate needs to be reinstalled when used; through the arrangement of the tire breaking nail, the tire breaking pull plate needs to be installed and removed every time, which is inconvenient, cannot be quickly used in the emergency road interception, and the tire breaking nail on the tire breaking pull plate is easy to scratch the workers when the tire breaking pull plate is removed for storage. UTILITY MODEL CONTENTS

[0006] In the prior art, in order to meet the convenient storage requirement, the vehicle stopper is arranged to be telescopic, but the installation of the tire puncture nail in the vehicle stopper is usually through arranging a tire puncture pull plate, the tire puncture nail is arranged on the tire puncture pull plate, when the vehicle stopper is stored, the tire puncture pull plate needs to be taken down for storage, and the tire puncture pull plate is reinstalled when used; through the arrangement mode of the tire puncture nail, the tire puncture pull plate needs to be installed and dismounted every time, which is relatively inconvenient, cannot be quickly used in the emergency road interception, and when the vehicle stopper is stored, the tire puncture pull plate needs to be separately dismounted, so that the tire puncture nail on the tire puncture pull plate is easy to scratch the worker.

[0007] Therefore, the utility model aims at providing a portable vehicle stopper, in the utility model, the vehicle stopper comprises at least two rack bodies, telescopic pieces connecting adjacent rack bodies and tire puncture pieces arranged on the telescopic pieces; the number of rack bodies can be adjusted according to specific use requirements, for example, road width, carrying and storing space and the like;

[0008] One end of the rack body extends upwards to form a vehicle blocking part, and the vehicle blocking part blocks the vehicle and deflates at the same time when the vehicle collides; the telescopic piece is a parallelogram linkage structure formed by a plurality of connecting rods, the surface of the connecting rod is provided with the tire puncture piece, and the telescopic piece can be rolled by the vehicle.

[0009] Further, the telescopic piece is arranged on the vehicle blocking part and is used for connecting adjacent vehicle blocking parts.

[0010] Further, the tire puncture piece is arranged on the telescopic piece.

[0011] Further, the telescopic piece comprises a plurality of telescopic units connected in sequence, each telescopic unit comprises a first connecting rod and a second connecting rod, the middle parts of the first connecting rod and the second connecting rod are hinged, and the end part of the first connecting rod is hinged with the end part of the second connecting rod in the adjacent telescopic unit; the first connecting rod is located on the upper end of the second connecting rod, and the tire puncture piece is arranged on the first connecting rod.

[0012] Further, the tire puncture piece is arranged as a tire puncture nail, and the tire puncture nail is detachably installed on the connecting rod of the telescopic piece.

[0013] Further, the connecting rod is provided with a nail seat, and the tire puncture nail is detachably installed on the nail seat.

[0014] Further, the connecting rod is detachably provided with a protective plate, the protective plate is provided with a bright surface layer, and the nail seat is installed on the protective plate.

[0015] Further, the bottom of the protection plate is provided with a buckle, and the connecting rod is provided with a buckle slot for connecting the buckle, thereby improving the convenience of mounting and dismounting the protection plate.

[0016] Further, the placing rack body is provided with an anti-retreating part on the side away from the tire-puncturing part, so that the stability of the placing rack body is improved when intercepting a vehicle, and the placing rack body is less likely to fall.

[0017] Further, the placing rack body is provided with a sawtooth.

[0018] The utility model discloses a portable vehicle stopper, by setting the tire-puncturing nail on the telescopic part, when storage, do not need to dismount the tire-puncturing nail, directly expands and uses when using, do not need to install the tire-puncturing nail, improved the overall convenience of vehicle stopper, can be applicable to various emergency use, and do not need to dismount and store the tire-puncturing nail alone, will not exist the safety problem of storage tire-puncturing nail, simultaneously, this kind of setting, can be applicable to the road use of different width, when changing the expansion width of vehicle stopper, only changed the density of tire-puncturing nail, is not limited by tire-puncturing nail mounting plate, and the applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its features are described in conjunction with the drawings as well, which serve to explain the principles of the application. In the drawings:

[0020] Figure 1 It is a structure schematic view of the intercepting device of one embodiment of the utility model;

[0021] Figure 2 It is a structure schematic view of the telescopic part in one embodiment of the utility model;

[0022] Figure 3 It is the installation schematic view of the protection plate in one embodiment of the utility model;

[0023] Figure 4 It is the sectional view of the first connecting plate in one embodiment of the utility model;

[0024] Figure 5 It is the installation schematic view of the anti-retreating part in one embodiment of the utility model;

[0025] Figure 6 It is a structure schematic view of the intercepting device of another embodiment of the utility model;

[0026] Figure 7 It is Figure 6Structure schematic view of the placing rack body;

[0027] Figure 8 Structure schematic view of the support rack body with sawteeth in another embodiment of the present utility model;

[0028] Figure 9 Structure schematic view of the support plate when it is popped out in another embodiment of the present utility model;

[0029] Figure 10 Structure schematic view of the support plate when it is not popped out in another embodiment of the present utility model.

[0030] Explanation of reference signs:

[0031] 1, placing rack body; 11, car blocking part; 12, anti-retraction part; 13, reinforcing rib; 14, first wing plate; 15, second wing plate; 16, sawteeth; 2, telescopic piece; 21, first connecting rod; 22, second connecting rod; 3, tire puncture nail; 31, nail seat; 4, protective plate; 41, bright surface layer; 42, buckle; 5, support plate; 6, electric push rod; 7, limiting block. Specific implementation

[0032] The specific implementation of the present utility model will be described in detail below in combination with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present utility model, and is not used to limit the present utility model.

[0033] In order to make the person in the art better understand the present utility model scheme, the technical scheme in the embodiment of the present utility model will be described clearly and completely below in combination with the accompanying drawings in the embodiment of the present utility model. Obviously, the described embodiment is only a part of the embodiment of the present utility model, not all the embodiments. Based on the embodiment in the present utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present utility model.

[0034] It should be noted that the terms "first", "second" and the like in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present utility model described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, the process, method, system, product or equipment including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment; "fixed" or "fixedly connected" generally refers to common mechanical connection methods, such as threaded connection, welding or bonding, etc.

[0035] In the prior art, in order to meet the convenient storage requirement, the vehicle stopper is arranged to be telescopic, but the installation of the tire puncture nail 3 in the vehicle stopper is usually through arranging a tire puncture pull plate, the tire puncture nail 3 is arranged on the tire puncture pull plate, when the vehicle stopper is stored, the tire puncture pull plate needs to be taken down for storage, and the tire puncture pull plate is reinstalled when used; through the arrangement mode of the tire puncture nail 3, the tire puncture pull plate needs to be installed and dismounted every time, which is relatively inconvenient, cannot be quickly used in the emergency road interception, and when the vehicle stopper is stored, the tire puncture pull plate needs to be separately dismounted, so that the tire puncture nail 3 on the tire puncture pull plate is easy to scratch the worker.

[0036] The utility model provides a portable vehicle stopper, in the embodiment, the vehicle stopper includes at least two placing frame bodies 1, telescopic pieces 2 connecting adjacent placing frame bodies 1 and tire puncture pieces arranged on the telescopic pieces 2, as shown in the figure, Figure 1 In the embodiment, the placing frame body 1 is arranged as three, and the number of the placing frame body 1 can be adjusted according to specific use requirements, for example, road width, carrying and storing space and the like, in the embodiment, the tire puncture piece is arranged as a tire puncture nail 3, that is, a deflation nail, which is used for puncturing and deflating the tire of the vehicle, the top of the tire puncture nail 3 is arranged as an inclined surface and can deflate after puncturing the tire, and in other embodiments, the structure can be arranged as a knife and the like.

[0037] Regarding the vehicle stopping part 11, the vehicle stopping part 11 is formed by extending upwards at one end of the placing frame body 1, the height of the vehicle stopping part 11 is greater than 350 mm, so as to ensure that the height of the vehicle stopping part 11 is greater than the chassis of the vehicle, and the vehicle stopping part 11 can block the vehicle when the vehicle collides and deflates at the same time, and can be clamped on the chassis of the vehicle from the bottom of the vehicle when the vehicle collides and passes through.

[0038] In order to improve the structural strength of the placing frame body 1, the placing frame body 1 is arranged as an L-shaped structure, the reinforcing rib 13 is arranged on the placing frame body 1, the reinforcing rib 13 connects the vehicle stopping part 11 and the bottom of the placing frame body 1, and the overall strength of the placing frame body 1 is improved; the roller can be arranged at the bottom of the placing frame body 1, which facilitates pulling open of the placing frame, and the vehicle stopper can be more conveniently unfolded.

[0039] Regarding the telescopic piece 2, the arrangement of the telescopic piece 2 meets the storage requirement of the vehicle stopper, as shown in the figure, Figure 2As shown, the telescopic part 2 is formed by a plurality of connecting rods hinged to form a parallelogram linkage, and the telescopic part 2 is provided as a scissor-type telescopic stand; specifically: the telescopic part 2 is described in detail, the telescopic part 2 includes a plurality of telescopic units connected in sequence, each telescopic unit includes a first connecting rod 21 and a second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are cross arranged, and the middle parts of the first connecting rod 21 and the second connecting rod 22 are hinged by a rotating shaft, and the end of the first connecting rod 21 is hinged with the end of the second connecting rod 22 in the adjacent telescopic unit by a rotating shaft, thereby realizing the connection between the adjacent telescopic units; thereby realizing the stable and convenient telescopic movement between the placing rack bodies 1.

[0040] In addition, the telescopic part 2 is arranged at the bottom position of the placing rack body 1, so that the telescopic part 2 can be rolled by the vehicle when intercepting the vehicle; the first connecting rod 21 is located at the upper end of the second connecting rod 22, and a plurality of tire puncture nails 3 are arranged on the upper surface of the first connecting rod 21, the tire puncture nails 3 are vertically arranged to be more convenient to insert into the tire, in this embodiment, five tire puncture nails 3 are arranged on one connecting rod, and generally, the number of tire puncture nails 3 on one connecting rod is not less than three, which ensures the density of the tire puncture nails 3 to some extent, so as to better ensure the tire puncture effect.

[0041] In order to further improve the stability of the telescopic movement of the placing rack body 1, the telescopic part 2 is arranged in multiple, so as to improve the stability of the telescopic movement of the placing rack body 1, in this embodiment, two telescopic parts 2 are arranged, one telescopic part 2 is arranged at the bottom position of the placing rack body 1 to normally roll and puncture the tire of the vehicle, and the other telescopic part 2 is arranged on the telescopic part of the placing rack body 1 to connect the adjacent vehicle blocking parts 11, so as to ensure the stability of the telescopic movement of the vehicle blocking part 11, reduce the failure during storage or expansion, and improve the stability of the telescopic movement; and the tire puncture nails 3 are arranged on both telescopic parts 2, so that when the vehicle is intercepted and the vehicle stopper is tilted, the tire puncture nails 3 on the telescopic part 2 of the vehicle blocking part 11 can be used for tire puncture work, the comprehensiveness of tire puncture is improved, and the success rate of interception is ensured.

[0042] The utility model discloses a tire puncture nail 3 is arranged on the telescopic part 2, when storage, does not need to dismount tire puncture nail 3, when using, directly expands and can use, does not need to install tire puncture nail 3, improved the overall convenience of vehicle stopper, can be applicable to various emergency situations, and does not need to dismount tire puncture nail 3 separately, will not exist the safety problem of storage tire puncture nail 3, simultaneously, this kind of setting mode can be applicable to the road use of different width, when changing the expansion width of vehicle stopper, only changed the density of tire puncture nail 3, is not limited by tire puncture nail 3 mounting plate, and the applicability is strong.

[0043] In order to conveniently replace the tire puncture nail 3, the tire puncture nail 3 is arranged to be detachably mounted on the first connecting rod 21 of the telescopic piece 2, specifically, the nail seat 31 is mounted on the first connecting rod 21, and the tire puncture nail 3 is detachably mounted on the nail seat 31, so that the tire puncture nail 3 can be conveniently replaced and the single replacement function can be realized.

[0044] In order to realize the function of replacing the tire puncture nail 3 in the whole row, as shown in Figure 3 and Figure 4 , the protective plate 4 is detachably mounted on the first connecting rod 21, the nail seat 31 is mounted on the protective plate 4, and the functions of replacing the tire puncture nail 3 in the whole row and replacing the tire puncture nail 3 individually are realized, and the convenience of replacing the tire puncture nail 3 and the adaptability in multiple scenes are improved; specifically, the connection mode of the protective plate 4 is that the bottom of the protective plate 4 is provided with the buckle 42, the side of the protective plate 4 is downwardly extended and bent to form the buckle 42, and the buckle groove for connecting the buckle 42 is formed in the bottom of the connecting rod; the buckle 42 is convenient to use, and the protective plate 4 is convenient to mount and dismount; the buckle groove is arranged to stabilize the buckle 42 and avoid the influence of the protrusion of the buckle 42 on the normal rotation between the first connecting rod 21 and the second connecting rod 22; the bright surface layer 41 is arranged on the protective plate 4, that is, the warning layer is arranged to play a warning role.

[0045] Figure 5 It is an installation schematic view of the anti-backup part in an embodiment of the utility model; in the embodiment, the structure of the anti-backup part is as follows:

[0046] In order to improve the stability of the placing rack body 1 as a whole, as shown in Figure 5 , the anti-backup part 12 is arranged on one side of the placing rack body 1 and is formed by extending from one end of the bottom of the placing rack body 1; the anti-backup part 12 is arranged on one side of the back surface of the placing rack body 1, and the telescopic piece 2 and the tire puncture nail 3 are arranged on one side of the front surface of the placing rack body 1, that is, the side facing the vehicle; the arrangement of the anti-backup part 12 can improve the stability of the placing rack body 1 when intercepting the vehicle, so that the placing rack body 1 is less likely to fall over.

[0047] Figure 6 It is a structure schematic view of the intercepting device in another embodiment of the utility model, wherein the arrangement of the placing rack body is different from that in the above embodiment; Figure 7 It is a structure schematic view of the placing rack body in Figure 6 ; the specific arrangement of the placing rack body in the embodiment is as follows:

[0048] The anti-retreating part 12 in the placing rack body 1 is provided as a tubular structure, is welded on one side of the back surface of the placing rack body 1, is used for supporting the placing rack body 1, and the two ends of the tubular structure extend to two sides to make the bottom of the placing rack body 1 present a T-shaped structure, improve the stability of the placing rack body 1, and avoid lateral tilting of the placing rack body 1; meanwhile, in order to further improve the stability of the placing rack body, avoid tilting of the placing rack body 1, and improve the anti-impact capability of the placing rack body, the bottom of the placing rack body 1 is extended to two sides to form a first wing plate 14 of a flat structure, the bottom support area of the placing rack body is improved through the arrangement of the first wing plate 14, and two second wing plates 15 are formed on the side of the first wing plate 14 to support, the stability of the placing rack body 1 is further improved through the arrangement of the first wing plate 14 and the second wing plate 15; the second wing plates on adjacent placing rack bodies are staggered to avoid interference during storage.

[0049] In addition, in order to facilitate storage, since the placing rack body is provided as a plurality of placing rack bodies, the placing rack body in the middle is arranged to extend to two sides, and the placing rack bodies on two sides are arranged to extend to opposite sides, so that the protruding anti-retreating parts on two sides do not affect storage during storage; and the tubular structures of the anti-retreating parts are different in diameter, so that the anti-retreating parts can be inserted into adjacent anti-retreating parts for storage, and the car stopper can be conveniently stored as a whole; in the embodiment, the anti-retreating part in the middle is larger in diameter, and the anti-retreating parts on the remaining placing rack bodies can be inserted into the anti-retreating part for storage; in other embodiments, other insertable structures can be arranged as anti-retreating parts for support and storage; for example, the cross section of the anti-retreating part is arranged as an L-shaped or inverted L-shaped structure for stacking and storage, and in this way, the tubular structure of the anti-retreating part does not need to be arranged to be different in diameter and can be directly stacked for storage.

[0050] Figure 8 The structure of the support rack body with sawteeth in another embodiment of the utility model is shown in the schematic view; in order to further improve the tire breaking capability of the car stopper, sawteeth 16 are arranged on the placing rack body 1 and the reinforcing rib 13, the sawteeth 16 are arranged on the back surface of the placing rack body 1, and when a vehicle collides with the car stopper, the phenomenon of incomplete tire breaking when the vehicle happens to collide with the placing rack body and not with the telescopic part can be avoided, so that when the vehicle collides with the placing rack body 1, the tire breaking work can still be performed through the sawteeth on the placing rack body, and the comprehensiveness of tire breaking is improved; the length of the reinforcing rib is lengthened to ensure that the sawteeth on the reinforcing rib can stably break the tire, and in other embodiments, the reinforcing rib can be arranged to connect two ends of the placing rack body, that is, the placing rack body is arranged as a triangular structure.

[0051] Figure 9 The state diagram of the support plate when being popped out in another embodiment of the utility model is shown in the schematic view, Figure 10 The state diagram of the support plate when not being popped out is shown in the schematic view; Figure 9 And Figure 10 As shown in the schematic view,

[0052] In order to further avoid the tipping of the placing frame body 1, a supporting plate 5 and a limiting mechanism are arranged on the placing frame body 1, the placing frame body 1 is hinged to the end of the supporting plate 5 away from the blocking part 11, a torsion spring is arranged at the connecting position of the supporting plate 5 and the placing frame body 1, the torsion spring is used to drive the supporting plate 5 to rotate away from the placing frame body 1, the limiting mechanism is used to limit the movement of the supporting plate 5, so that the supporting plate 5 is in abutment with the placing frame body 1 when the blocking part is not hit by the vehicle; meanwhile, a pressure sensing module is arranged on the telescopic part 2, the pressure sensing module can be a pressure sensor and a signal transmission unit, the pressure sensor is arranged at the bottom of the second connecting rod 22, a pressure signal is sent when the vehicle hits the blocking part and rolls on the telescopic part 2, at this time, the limiting mechanism cancels the limiting of the supporting plate 5, the supporting plate 5 is driven to rotate outward by the torsion spring, another supporting point is formed, the supporting frame body is further supported, and the supporting frame body is less likely to tip; in the embodiment, the supporting plate 5 is arranged on one side of the bottom of the placing frame body 1, and in other embodiments, the supporting plate 5 can be arranged on both sides of the placing frame body 1; the supporting plate 5 is arranged at the upper end or the lower end of the telescopic part 2, in the embodiment, the supporting plate 5 is arranged at the upper end of the telescopic part 2, so that it can normally pop up and expand when intercepting the vehicle; a groove is arranged on the side of the supporting frame body, and the supporting plate enters the groove.

[0053] The limiting mechanism has various styles, in the embodiment, the limiting mechanism can be an electric push rod 6 and a limiting block 7, the electric push rod 6 is arranged on the supporting frame body to drive the limiting block 7 to move, and the limiting of the supporting plate 5 is limited or released.

[0054] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A portable roadblock, characterized in that, The rack body (1) includes at least two, a telescopic member (2) connecting adjacent rack bodies (1), and a tire breaking member (3) arranged on the telescopic member (2). One end of the rack body (1) extends upward to form a vehicle blocking part (11); the telescopic member (2) is a parallelogram linkage structure formed by a plurality of connecting rods, the surface of the connecting rod is provided with the tire breaking member (3), and the telescopic member (2) can be rolled by a vehicle.

2. The portable roadblock of claim 1, wherein, The telescopic member (2) is arranged on the vehicle blocking part (11) and used for connecting adjacent vehicle blocking parts (11).

3. The portable roadblock of claim 2, wherein, The tire breaking member (3) is arranged on the telescopic member (2).

4. The portable roadblock of claim 1, wherein, The telescopic member (2) includes a plurality of telescopic units connected in sequence, each telescopic unit includes a first connecting rod (21) and a second connecting rod (22), the middle parts of the first connecting rod (21) and the second connecting rod (22) are hinged, and the end part of the first connecting rod (21) is hinged with the end part of the second connecting rod (22) in an adjacent telescopic unit. The first connecting rod (21) is located on the upper end of the second connecting rod (22), and the tire breaking member (3) is arranged on the first connecting rod (21).

5. The portable roadblock according to any one of claims 1-4, wherein, The tire breaking member (3) is arranged as a tire breaking nail (3) which is detachably arranged on the connecting rod of the telescopic member (2).

6. The portable roadblock of claim 5, wherein, The connecting rod is provided with a nail seat (31), and the tire breaking nail (3) is detachably arranged on the nail seat (31).

7. The portable roadblock of claim 6, wherein, The connecting rod is detachably provided with a protective plate (4), the protective plate (4) is provided with a bright surface layer (41), and the nail seat (31) is arranged on the protective plate (4).

8. The portable roadblock of claim 7, wherein, The bottom of the protective plate (4) is provided with a buckle (42), and the connecting rod is provided with a buckle groove for connecting the buckle (42).

9. The portable roadblock of claim 1, wherein, The rack body (1) is provided with a retreat prevention part (12) on the side away from the tire breaking member (3).

10. The portable roadblock of claim 1, wherein, The rack body (1) is provided with a sawtooth (16).

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