CN210274309U

CN210274309U - Law enforcement instrument

Info

Publication number: CN210274309U
Application number: CN201921434154.6U
Authority: CN
Inventors: 郑云东; 郭坚旺
Original assignee: Shenzhen Coantec Automation Technology Co ltd
Current assignee: Shenzhen Coantec Automation Technology Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-07
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a law enforcement appearance. This law enforcement appearance includes: a law enforcement instrument main body; the mounting seat is connected with the law enforcement instrument main body in a clamping manner; and the display screen is rotatably connected to the mounting seat. Above-mentioned law enforcement appearance, the display screen rotationally connects in the mount pad to the accessible mount pad is connected with law enforcement appearance main part joint, realizes assembling the display screen in law enforcement appearance main part. When the display screen needs to be replaced, the mounting seat can be separated from the limbs of the law enforcement instrument, so that the display screen is separated from the law enforcement instrument main body. When the display screen needs to be installed, the installation seat is connected to the law enforcement instrument main body in a clamping mode. So, compared with the prior art, the utility model discloses a law enforcement appearance need not unpack the law enforcement appearance main part apart when dismouting display screen, and the display screen is convenient for change to easy dismounting, the swift of display screen.

Description

Law enforcement instrument

Technical Field

The utility model relates to a police investigation equipment technical field especially relates to a law enforcement appearance.

Background

The law enforcement instrument is also called a police law enforcement recorder or a field law enforcement recorder, can carry out dynamic and static field condition digital recording in the law enforcement process, and is convenient for police officers to enforce law and detect in different environments.

Law enforcement instruments typically have a display screen for viewing recorded video and photographs, etc. The traditional law enforcement appearance display screen is integrative with the law enforcement appearance main part, and the display screen embedding is installed in the law enforcement appearance main part promptly. However, when the display screen needs to be replaced (for example, the display screen of different types needs to be replaced for adapting to different law enforcement scenes or the display screen needs to be replaced when damaged), the law enforcement main body needs to be disassembled to disassemble and assemble the display screen, the disassembling and assembling process is complex, and the display screen is not convenient to replace.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a law enforcement instrument which improves the above-mentioned disadvantages in view of the inconvenience of replacing the display screen of the conventional law enforcement instrument.

A law enforcement instrument comprising:

a law enforcement instrument main body;

the mounting seat is connected with the law enforcement instrument main body in a clamping manner; and

and the display screen is rotatably connected to the mounting seat.

Above-mentioned law enforcement appearance, the display screen rotationally connects in the mount pad to the accessible mount pad is connected with law enforcement appearance main part joint, realizes assembling the display screen in law enforcement appearance main part. When the display screen needs to be replaced, the mounting seat can be separated from the limbs of the law enforcement instrument, so that the display screen is separated from the law enforcement instrument main body. When the display screen needs to be installed, the installation seat is connected to the law enforcement instrument main body in a clamping mode. So, compared with the prior art, the utility model discloses a law enforcement appearance need not unpack the law enforcement appearance main part apart when dismouting display screen, and the display screen is convenient for change to easy dismounting, the swift of display screen.

In one embodiment, the law enforcement instrument further comprises a clamping seat fixedly connected to the law enforcement instrument main body, and the mounting seat is connected with the clamping seat in a clamping mode. So, the accessible mount pad is connected with the joint of joint seat, realizes assembling the display screen in law enforcement appearance main part. And, through mount pad and joint seat separation, realize the separation of display screen and law enforcement appearance main part. The clamping seat is favorable for improving the connection strength of the display screen and the law enforcement instrument main body, and the display screen is prevented from falling off easily in the law enforcement process.

In one embodiment, the clamping seat is provided with a containing part, the mounting seat is provided with a clamping part, and the clamping part can be clamped and connected in the containing part. When the display screen needs to be assembled in the law enforcement instrument main body, the clamping portion of the mounting seat is inserted into and clamped in the accommodating portion of the clamping seat, and therefore the assembly of the display screen and the law enforcement instrument main body is achieved. But adopt joint portion joint to connect in the mode of portion of acceping for the structure is compacter, is favorable to guaranteeing the joint strength of display screen and law enforcement appearance main part, avoids droing easily at the investigation in-process display screen.

In one embodiment, the law enforcement instrument further comprises at least two elastic buttresses;

at least two elastic supporting pieces are fixedly connected to the clamping seat and are at least located on two opposite sides of the accommodating portion, at least part of each elastic supporting piece protrudes out of the side wall of the accommodating portion, and when the clamping portion is inserted into the accommodating portion, the elastic supporting pieces are supported on the clamping portion. Therefore, when the clamping part is inserted into the accommodating part, the clamping part is clamped and connected into the accommodating part by the elastic abutting part abutting against the clamping part. And because the elastic supporting piece has elasticity, the clamping part can be pulled out of the accommodating part under the action of external force, and the separation of the display screen and the law enforcement instrument main body is realized.

In one embodiment, the elastic supporting member includes a base, an elastic member and a ball;

the seat body is provided with an accommodating cavity and an opening communicated with the accommodating cavity, the elastic piece and the ball are accommodated in the accommodating cavity, the ball is positioned at one end of the elastic piece facing the opening, and the elastic piece is used for providing pre-tightening force for enabling the ball to have a movement trend of popping out of the opening;

the seat body is fixedly connected with the clamping seat, and one end of the seat body, which is provided with the opening, penetrates through the side wall of the accommodating part, so that the ball can be abutted against the clamping part inserted into the accommodating part under the action of the pre-tightening force.

In one embodiment, the clamping seat is provided with a mounting groove, and one end of the mounting groove penetrates through the side wall of the accommodating part; the seat body is fixedly arranged in the mounting groove, and one end with the opening faces the accommodating part. So, realized the installation of pedestal.

In one embodiment, the width dimension of the notch of the mounting groove is smaller than the outer diameter dimension of the seat body, so that the seat body can be clamped into the mounting groove by the notch of the mounting groove. So, the simple to operate of pedestal is swift, and mounting structure is simple.

In one embodiment, the diameter of the opening is smaller than that of the ball, so that the ball can partially pass through the opening under the action of the pre-tightening force. Therefore, on one hand, the part of the ball penetrates out of the opening, so that the ball is abutted against the clamping part inserted into the accommodating part; on the other hand, the ball is prevented from being completely ejected out of the seat body through the opening.

In one embodiment, the snap-in portion has a recess that is engageable with the ball. Therefore, when the clamping part is inserted into the accommodating part, the ball is abutted against the concave part of the clamping part, so that the clamping part is fixed better and the connection stability of the display screen is improved; on the other hand, the clamping part is convenient for prompting an operator whether to be inserted in place.

In one embodiment, the law enforcement instrument further comprises a rotating shaft assembly, wherein the rotating shaft assembly comprises a rotating bracket and a rotating shaft;

the rotating support is rotatably connected to the mounting seat around a first axis, the rotating shaft is rotatably connected to the rotating support around a second axis perpendicular to the first axis, and the display screen is fixedly connected to the rotating shaft. Therefore, the display screen can rotate around the first axis and the second axis which are perpendicular to each other respectively, so that the angle of the display screen relative to the law enforcement instrument main body can be adjusted flexibly and quickly, and the display screen can be checked by a detection staff conveniently.

Drawings

FIG. 1 is a schematic exploded view of a law enforcement instrument according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of an assembled configuration of the enforcement instrument shown in FIG. 1;

FIG. 3 is a schematic view of the camera assembly of the law enforcement instrument shown in FIG. 2 assembled with a law enforcement instrument body;

FIG. 4 is a cross-sectional view of the camera assembly of the law enforcement instrument shown in FIG. 3.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 shows an exploded view of a law enforcement instrument according to an embodiment of the present invention. FIG. 2 shows a schematic diagram of the assembled configuration of the law enforcement instrument shown in FIG. 1. Fig. 3 is a schematic view showing an assembly structure of the camera assembly of the law enforcement instrument shown in fig. 2 and a law enforcement instrument main body. FIG. 4 shows a cross-sectional view of the camera assembly of the law enforcement instrument shown in FIG. 3. For the purpose of illustration, the drawings show only the structures pertinent to the present invention.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a law enforcement device, which includes a law enforcement device main body 10, a mounting seat 30, and a display 40. The mount 30 is snapably connected to the law enforcement body 10, and the display screen 40 is rotatably connected to the mount 30.

In the law enforcement instrument, the display screen 40 is rotatably connected to the mounting seat 30 and can be clamped and connected with the law enforcement instrument main body 10 through the mounting seat 30, so that the display screen 40 is assembled on the law enforcement instrument main body 10. When it is desired to replace the display screen 40, the mount 30 can be detached from the law enforcement body 10, thereby detaching the display screen 40 from the law enforcement body 10. When the display screen 40 needs to be installed, the installation seat 30 only needs to be connected to the law enforcement instrument main body 10 in a clamping mode. So, compared with the prior art, the utility model discloses a law enforcement appearance need not unpack apart law enforcement appearance main part 10 when dismouting display screen 40, and display screen 40's easy dismounting, swift are convenient for change display screen 40.

It should be noted that the law enforcement officer can quickly change the display screen 40 with different sizes or types according to the requirement to adapt to the investigation task under different environments.

It can be appreciated that the display screen 40 is rotatably connected to the mounting base 30, so that the angle of the display screen 40 can be adjusted by rotating the display screen 40, so that the person can conveniently watch the display screen 40, and the law enforcement instrument is more convenient to use and more practical.

In the embodiment of the present invention, the law enforcement instrument further includes a clamping seat 20 fixedly connected to the law enforcement instrument main body 10, and the mounting seat 30 is connected to the clamping seat 20 in a clamping manner. In this way, the display screen 40 can be mounted on the law enforcement main body 10 by the snap connection of the mounting seat 30 and the snap seat 20. The display screen 40 is separated from the law enforcement instrument main body 10 by separating the mounting seat 30 from the clip seat 20. The arrangement of the clamping seat 20 is beneficial to improving the connection strength of the display screen 40 and the law enforcement instrument main body 10, and the display screen 40 is prevented from falling off easily in the law enforcement process.

In some embodiments, clip receptacle 20 has receiving portion 22 and mounting receptacle 30 has clip portion 32. The clamping portion 32 can be clamped and connected in the accommodating portion 22. When the display screen 40 needs to be assembled to the law enforcement main body 10, the clip portion 32 of the mounting base 30 is inserted into and clip-connected to the receiving portion 22 of the clip base 20, thereby realizing the assembly of the display screen 40 to the law enforcement main body 10. The clamping connection between the clamping part 32 and the accommodating part 22 is adopted, so that the structure is more compact, the connection strength between the display screen 40 and the law enforcement instrument main body 10 is favorably ensured, and the display screen 40 is prevented from easily falling off in the investigation process.

In a particular embodiment, the law enforcement device further comprises at least two elastic abutments 50. The at least two elastic supporting members 50 are fixedly connected to the clamping seat 20 and are located at least at two opposite sides of the accommodating portion 22. At least a portion of each elastic supporting member 50 protrudes out of the side wall of the receiving portion 22, so that when the clamping portion 32 is inserted into the receiving portion 22, the elastic supporting member 50 supports against the clamping portion 32, thereby clamping and connecting the clamping portion 32 into the receiving portion 22. Thus, when the clamping portion 32 is inserted into the receiving portion 22, the elastic abutting piece 50 abuts against the clamping portion 32 to clamp and connect the clamping portion 32 into the receiving portion 22. Moreover, the elastic supporting member 50 has elasticity, so that the clamping portion 32 can be pulled out of the accommodating portion 22 under the action of external force, and the display screen 40 is separated from the law enforcement instrument main body 10.

In some embodiments, the elastic supporting member 50 includes a seat 52, an elastic member (not shown) and a ball 54. The base 52 has a receiving cavity (not shown) and an opening (not shown) communicating with the receiving cavity. The elastic member and the ball 54 are accommodated in the accommodating cavity, and the ball 54 is located at one end of the elastic member facing the opening. The spring is used to provide a preload force that urges the ball 54 to have a tendency to spring out of the opening.

The seat 52 is fixedly connected to the engaging seat 20, and one end of the seat 52 having an opening penetrates through the sidewall of the receiving portion 22, so that the ball 54 can abut against the engaging portion 32 inserted into the receiving portion 22 under the action of the above-mentioned pre-tightening force, thereby engaging and connecting the engaging portion 32 into the receiving portion 22.

In one embodiment, the card socket 20 has a mounting slot 24, and one end of the mounting slot 24 penetrates through the sidewall of the receiving portion 22. The seat 52 is fixedly installed in the installation groove 24, and one end having an opening faces the receiving portion 22. Thus, the mounting of the housing 52 is achieved.

Preferably, the width dimension of the notch of the mounting groove 24 is smaller than the outer diameter dimension of the holding body 52, so that the holding body 52 can be clamped into the mounting groove 24 by the notch of the mounting groove 24, thereby realizing the fixed mounting of the holding body 52. Thus, the seat body 52 is convenient and quick to install and simple in installation structure. It should be noted that the seat body 52 can also be installed in the installation groove 24 by other methods, such as screw fastening, welding connection, etc., and is not limited herein.

In one embodiment, the diameter of the opening of the seat 52 is smaller than the diameter of the ball 54, so that the ball 54 partially passes through the opening under the action of the pre-tension. Thus, on one hand, the ball 54 partially penetrates through the opening, so that the ball 54 abuts against the clamping portion 32 inserted into the receiving portion 22; on the other hand, the balls 54 are prevented from being completely ejected out of the seat body 52 through the openings.

In particular embodiments, the snap-in portion 32 has a recess 322 that is engageable with the ball 54. Thus, when the clamping portion 32 is inserted into the receiving portion 22, the ball 54 abuts against the concave portion 322 of the clamping portion 32, so that the clamping portion 32 can be better fixed, and the connection stability of the display screen 40 is improved; and on the other hand, it is convenient for the operator to prompt whether the clamping part 32 is inserted in place. Alternatively, the concave portion 322 of the snap-in portion 32 for cooperating with the ball 54 is a preferred embodiment, and the concave portion 322 for cooperating with the ball 54 is not limited to the snap-in portion 32, and only one cooperating manner is described herein. Further, the concave portion 322 may be formed by a surface of the snap-in portion 32 being concave inward to form a groove, a pit, a hole, or the like, which is not limited herein.

In particular, in the embodiment, the cross section of the clamping portion 32 is substantially rectangular. The receiving portion 22 is also substantially rectangular in cross-section to accommodate the snap-fit portion 32. The elastic supporting pieces 50 include four pieces, and the four elastic supporting pieces 50 are respectively used for supporting on four side walls of the clamping portion 32 with the rectangular cross section. Therefore, on one hand, the cross section of the clamping part 32 is rectangular, so that the clamping part 32 is prevented from rotating relative to the clamping seat 20; on the other hand, when the clamping portion 32 is inserted into the accommodating portion 22, the four side walls of the clamping portion 32 are all abutted to the elastic abutting pieces 50, so that the clamping connection of the clamping portion 32 is more stable, that is, the display screen 40 is more stable when being installed in the law enforcement instrument main body 10, and the display screen 40 is prevented from shaking.

In the embodiment of the present invention, the law enforcement instrument further includes a rotating shaft assembly 60, and the display screen 40 is rotatably connected to the mounting base 30 through the rotating shaft assembly 60. The rotating shaft assembly 60 includes a rotating bracket 64 and a rotating shaft 62. The rotating bracket 64 is rotatably coupled to the mounting base 30 about a first axis, and the rotating shaft 62 is rotatably coupled to the rotating bracket 64 about a second axis. Wherein the second axis is perpendicular to the first axis. The display screen 40 is fixedly connected to the rotating shaft 62. In this way, the display screen 40 can rotate around the first axis and the second axis which are perpendicular to each other respectively, so that the angle adjustment of the display screen 40 relative to the law enforcement instrument main body 10 is flexible and quick, and the investigation personnel can conveniently check the angle adjustment.

In the embodiment shown in fig. 1 in particular, the first axis is parallel to the horizontal direction and the second axis is parallel to the vertical direction.

In one embodiment, the rotating shaft assembly 60 further includes a fixing bracket 66, the fixing bracket 66 is fixedly connected to the rotating shaft 62, and the display screen 40 is fixedly connected to the fixing bracket 66. That is, the display screen 40 is fixedly connected to the rotation shaft 62 through the fixing bracket 66. Thus, the fixing bracket 66 is provided to facilitate the fixing connection between the display screen 40 and the rotation shaft 62. Alternatively, the display screen 40 may be fixedly attached to the mounting bracket 66 by threaded fasteners. The threaded fastener may be a screw or the like. The fixing bracket 66 may be welded to the rotating shaft 62. It is understood that the fixed bracket 66 can be fixedly connected to the rotating shaft 62 in other manners, and is not limited herein.

In one embodiment, the rotating shaft assembly 60 further includes a protective cover 68 fixedly connected to the mounting base 30, and the protective cover 68 is used for covering the rotating bracket 64, the rotating shaft 62, the fixing bracket 66, and other components.

In an embodiment, the law enforcement instrument further includes a rubber sleeve 70, the rubber sleeve 70 is disposed on the clamping seat 20 and located between the clamping seat 20 and the mounting seat 30, and the rubber sleeve 70 is used for sealing a gap between the clamping seat 20 and the mounting seat 30 when the clamping portion 32 is clamped and connected to the receiving portion 22. It should be noted that the rubber sleeve 70 also plays a certain aesthetic role.

Referring to fig. 2, 3 and 4, in an embodiment of the present invention, the law enforcement device further includes a camera assembly 80 connected to the law enforcement device main body 10. The camera assembly 80 includes a transmission assembly 81, an insertion tube 82, and a first fixing member 84. The transmission assembly 81 is accommodated in the law enforcement main body 10, and one end of the insertion tube 82 is fixedly connected to the transmission assembly 81, and the other end is provided with a camera 83 and penetrates out of the law enforcement main body 10. The camera 83 is electrically connected to the transmission unit 81 through the insertion tube 82, and the transmission unit 81 is electrically connected to the law enforcement main body 10.

The first fixing member 84 is detachably attached to the insertion tube 82 at a position extending out of the law enforcement instrument main body 10 and abutting against the law enforcement instrument main body 10, so that the transmission assembly 81 and the insertion tube 82 are fixed relative to the law enforcement instrument main body 10. Alternatively, the first fastener 84 may be threadably attached to the insertion tube 82. The first fixing member 84 may be a nut.

In this manner, when the law enforcement instrument is used, the insertion tube 82 can be used to take pictures through a narrow space (e.g., a door slot, a small hole, etc.). When the camera assembly 80 needs to be replaced, the first fixing member 84 can be removed, and the camera assembly 80 can be pulled out from the law enforcement instrument main body 10 for replacement.

In the shooting and evidence obtaining process of the law enforcement instrument, shooting information of the camera 83 is transmitted to the law enforcement instrument main body 10 through the insertion tube 82 and the transmission component 81, and the shooting information is processed and stored by the law enforcement instrument main body 10 to complete evidence obtaining.

It will be appreciated that different types of camera assemblies 80 are often required to be used in different surveillance environments, such as different diameter insertion tubes 82, different length insertion tubes 82, or different types of cameras 83 (white light cameras 83 or infrared cameras 83). Above-mentioned law enforcement appearance can be under the circumstances of not dismantling the host computer of law enforcement appearance swift change subassembly 80 of making a video recording for this law enforcement appearance practicality is strong, and greatly reduced change the time and the cost of subassembly 80 of making a video recording.

The law enforcement unit body 10 has a receiving hole penetrating through opposite sides thereof, and the diameter of the receiving hole is larger at one end than at the other end. The camera module 80 is inserted into the receiving hole from the large diameter end of the receiving hole, so that the transmission module 81 is received in the receiving hole, the insertion tube 82 penetrates out from the small diameter end of the receiving hole, and the transmission module 81 and the insertion tube 82 are fixed relative to the law enforcement instrument main body 10 by the first fixing member 84.

In an embodiment, the camera assembly 80 further includes a second fixing member 86, the second fixing member 86 is fixedly connected to an end of the transmission assembly 81 connected to the insertion tube 82, when the first connecting member is fixedly locked, the first connecting member abuts against an outer side of the law enforcement instrument main body 10, and the second connecting member abuts against a step surface in the receiving hole, so as to fix the transmission assembly 81 to the law enforcement instrument main body 10.

In particular embodiments, the transmission assembly 81 has contacts 812 and the law enforcement body 10 has contact probes 14. When the transmission assembly 81 is accommodated in the accommodating hole, the contact 812 is electrically contacted with the contact probe 14, so that the transmission assembly 81 is electrically connected with the law enforcement instrument main body 10, and a shooting signal of the camera 83 is transmitted to the law enforcement instrument main body 10 through the transmission assembly 81. Alternatively, the contact 812 of the transmission assembly 81 is connected to the probe 14 of the law enforcement body 10 in a preferred embodiment, and the contact 812 is not limited to the transmission assembly 81, but only one way of mating is illustrated here. The probe 14 may have other shapes or arrangements, and is not limited herein.

In one embodiment, the insertion tube 82 includes a connecting tube 822 and a swing driving tube 824. One end of the connection pipe 822 is detachably connected to the transmission assembly, the other end of the connection pipe 822 is connected to the swing driving pipe 824, the camera is disposed at one end of the swing driving pipe 824 away from the connection pipe 822, and the camera 83, the insertion pipe 82 and the transmission assembly 81 are electrically connected. The connecting tube 822 may be curved, such as a bendable tube or a serpentine tube.

Thus, when in use, the insertion tube can be swung to drive the camera 83 to move by bending or twisting the driving tube 824 through a narrow door slot, wall slot or small hole, etc., so as to avoid obstacles and detect suspicious criminal activities in a room. The signal line of the camera 83 is connected to the transmission member 81 through the swing driving tube 824 and the connection tube 822, and the shooting information acquired by the camera 83 is transmitted from the camera 83 to the law enforcement main body 10 through the swing driving tube 824 and the connection tube 822 and then transmitted to the law enforcement main body 10 through the transmission member 81, and the shooting information is processed and held by the law enforcement main body 10.

In particular embodiments, the transmission assembly 81 has a control handle 85, and the control handle 85 is electrically connected to the contact 812. During detection, when the camera meets an obstacle, the control handle 85 is operated to send a control signal to the law enforcement instrument main body 10, and the law enforcement instrument main body 10 controls the swing driving pipe 824 to perform a specified bending or twisting action, so that the camera can be manually controlled to avoid the obstacle.

In particular embodiments, law enforcement body 10 also has a grip 12 (shown in FIGS. 1 and 2) for easy gripping by a user.

It should be noted that the law enforcement main body 10 may have a WIFI function, and may be connected to a network for data transmission. The law enforcement agent main body 10 may also be connected to a headset.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A law enforcement instrument, comprising:

a law enforcement instrument main body;

and the display screen is rotatably connected to the mounting seat.

2. The enforcement apparatus of claim 1, further comprising a snap-fit receptacle fixedly attached to the enforcement apparatus body, the mounting receptacle being snap-fit connectable to the snap-fit receptacle.

3. The law enforcement instrument of claim 2, wherein the clamping seat has a receiving portion, and the mounting seat has a clamping portion that can be clamped into the receiving portion.

4. The law enforcement instrument of claim 3, further comprising at least two resilient abutments;

at least two elastic supporting pieces are fixedly connected to the clamping seat and are at least located on two opposite sides of the accommodating portion, at least part of each elastic supporting piece protrudes out of the side wall of the accommodating portion, and when the clamping portion is inserted into the accommodating portion, the elastic supporting pieces are supported on the clamping portion.

5. The law enforcement instrument of claim 4, wherein the resilient holding member comprises a seat, a resilient member and a ball;

6. The law enforcement instrument of claim 5, wherein the clamping seat has a mounting groove, one end of the mounting groove penetrates through the side wall of the receiving part; the seat body is fixedly arranged in the mounting groove, and one end with the opening faces the accommodating part.

7. The law enforcement instrument of claim 6, wherein the slot of the mounting slot has a width dimension that is less than an outer diameter dimension of the retainer body such that the retainer body may be snapped into the mounting slot by the slot of the mounting slot.

8. The enforcement apparatus of claim 5, wherein the opening has a diameter dimension smaller than a diameter dimension of the ball bearing such that the ball bearing can partially pass through the opening under the pretension.

9. The law enforcement instrument of claim 5, wherein the snap-in portion has a recess that is engageable with the ball.

10. The law enforcement instrument of any one of claims 1 to 9, further comprising a rotary shaft assembly comprising a rotary bracket and a rotary shaft;

the rotating support is rotatably connected to the mounting seat around a first axis, the rotating shaft is rotatably connected to the rotating support around a second axis perpendicular to the first axis, and the display screen is fixedly connected to the rotating shaft.