CN217035094U

CN217035094U - Mobile demonstration equipment based on law case

Info

Publication number: CN217035094U
Application number: CN202220845580.4U
Authority: CN
Inventors: 蒋华
Original assignee: Xuchang Vocational and Technical College
Current assignee: Xuchang Vocational and Technical College
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-22
Anticipated expiration: 2032-04-13

Abstract

The utility model provides a law case-based mobile demonstration device, which relates to the technical field of demonstration devices and aims to solve the problems that the original mobile demonstration device is not provided with a linkage operation folding and unfolding structure, so that the mobile demonstration device is not convenient to display and contrast and also convenient to store, and the convenience of device demonstration operation is further reduced; the first supporting rod vertically penetrates through the base; the second supporting rod is correspondingly arranged on one side of the first supporting rod; the connecting rod is connected and installed on the base; and the connecting block is connected and installed at the top end of one side of the connecting rod. According to the utility model, the connecting block can assist the connecting block to carry out secondary connection and fixation on the third supporting rod and the second supporting rod, so that structural use firmness of the mobile demonstration equipment is ensured.

Description

Mobile demonstration equipment based on law case

Technical Field

The utility model relates to the technical field of demonstration equipment, in particular to mobile demonstration equipment based on a legal case.

Background

The case learning has the advantages that people can feel personally on the scene, students bring themselves into the law case scene through simulating or reproducing some scenes, and the mobile demonstration equipment is used for analysis and comparison in the process of teaching, so that the learning efficiency is improved.

When the mobile demonstration equipment based on the law case is used, because the original mobile demonstration equipment is not provided with a linkage operation structure which can be used for controlling the two groups of demonstration structures to be folded and unfolded in a linkage manner, the mobile demonstration equipment is not convenient to display and contrast, and is not convenient to store, the storage space of the demonstration equipment is greatly increased, and the convenience in operation and control of equipment demonstration is further reduced.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a mobile demonstration device based on legal cases is provided, so as to achieve the purpose of having more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a law case-based mobile demonstration device, which aims to solve the problems that the original mobile demonstration device is not provided with a linkage operation folding and unfolding structure, so that the mobile demonstration device is not convenient to display and contrast and also not convenient to store, and further the convenience of device demonstration operation is reduced.

The purpose and the efficacy of the mobile demonstration equipment based on the law case are achieved by the following specific technical means:

the mobile demonstration equipment based on the legal case comprises a base, wherein universal wheels and a loudspeaker are mounted at the bottom of the lower side of the base, and the loudspeaker is mounted on the base; the first supporting rod is vertically arranged in the base in a penetrating mode; the second supporting rod is correspondingly arranged on one side of the first supporting rod; the connecting rod is connected and installed on the base; the connecting block is connected and installed at the top end of one side of the connecting rod; the third supporting rod is vertically arranged on one side of the second supporting rod; and the fourth supporting rod is vertically arranged on one side of the third supporting rod, a first developing screen is arranged between the first supporting rod and the second supporting rod, and a second developing screen is arranged between the third supporting rod and the fourth supporting rod.

Further, the base includes: the bottom plate is arranged on the base, the bottom of the lower side of the bottom plate is provided with the air cylinder, and the loudspeaker is arranged on the end face of the upper side of the bottom plate; the lower convex rod a is convexly arranged at the bottom of the lower side of the bottom plate, and the top end of one side of the connecting rod is connected and arranged on the lower convex rod a; the main hole is formed in the bottom plate, and the first supporting rod vertically penetrates through the main hole; the first strut includes: the control rod is fixedly arranged on the lower side of the first support rod in a protruding mode, the bottom of the lower side of the control rod is provided with a protruding rod, and the air cylinder is connected and arranged on the protruding rod on the control rod; the second strut includes: and the half gear is convexly arranged on the upper side of the second supporting rod.

Further, the connecting block comprises: the central hole is formed in the connecting block, and the second supporting rod penetrates through the central hole; the auxiliary hole is formed in the connecting block, and the third support rod penetrates through the auxiliary hole; the lower convex rod b is convexly arranged at the bottom of the lower side of the connecting block, and the top end of one side of the connecting rod is connected and arranged on the lower convex rod b; the third strut includes: the full gear is arranged on the upper side of the middle of the third support rod and is meshed with the half gear; and the connecting block is correspondingly arranged at the top ends of the upper sides of the third supporting rod and the second supporting rod and connects the third supporting rod with the second supporting rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the installed connecting block is of an oval plate-shaped structure, and the bottom of the lower side of the connecting block is provided with two circular grooves, so that the connecting block can assist the connecting block to perform secondary connection and fixation on the third supporting rod and the second supporting rod, the structural use firmness of the mobile demonstration equipment is ensured, and the service life of the mobile demonstration equipment is prolonged;

2. the folding and unfolding of the two groups of demonstration structures can be controlled in a linkage manner by the connecting block, so that the mobile demonstration equipment is convenient to display and compare, and can be vertically placed after being folded, the storage space is saved, and the convenience in demonstration and control of the equipment is greatly improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of the right front upper axial view structure of the present invention.

Fig. 2 is a schematic diagram of the right front lower axial view structure of the utility model.

Fig. 3 is a partially exploded perspective view of the base and speaker of the present invention.

Fig. 4 is a schematic partial axial view of the first and second struts of the present invention.

FIG. 5 is a partially exploded, partially axial view of the connecting rod and link of the present invention.

FIG. 6 is a partially exploded perspective view of the third and fourth struts of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. a base plate; 102. a lower nose bar a; 103. a main hole; 2. a speaker; 3. a first support bar; 301. a control lever; 4. a second support bar; 401. a half gear; 5. a connecting rod; 6. connecting blocks; 601. a central bore; 602. a secondary hole; 603. a lower nose bar b; 7. a third support bar; 701. all-gear; 702. a joining block; 8. and a fourth support bar.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; can be directly connected with each other or indirectly connected with each other through a central medium. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a law case-based mobile demonstration device, which comprises a base 1, wherein universal wheels are installed at the bottom of the lower side of the base 1, the universal wheels installed at the lower side of the base 1 are different from the universal wheels installed on a second support rod 4, a third support rod 7 and a fourth support rod 8, and the universal wheels at the lower side of the base 1 can be temporarily fixed by the wheels, so that the base 1 can be fixedly placed according to the use position in use, a loudspeaker 2 is installed on the base 1, the loudspeaker 2 is installed at the rear side of a development screen, and the effect of watching experience is not influenced when sound is played; the first supporting rod 3 is vertically arranged in the base 1 in a penetrating manner, and the first supporting rod 3 and the second supporting rod 4 form an integral moving structure; the second supporting rod 4 is correspondingly arranged on one side of the first supporting rod 3, and the second supporting rod 4 drives the structure position of the third supporting rod 7 to be adjusted; the connecting rod 5 is connected and installed on the base 1, the connecting rod 5 is a structure for mutually connecting the first supporting rod 3 and the connecting block 6, and the connecting rod 5 applies structural displacement operation of the first supporting rod 3 to the connecting block 6 to play a role in structural connection; the connecting block 6 is connected and installed at the top end of one side of the connecting rod 5, and the connecting block 6 carries out linkage operation on the third supporting rod 7 and the fourth supporting rod 8 so that the third supporting rod 7 and the fourth supporting rod 8 move according to the movement of the first supporting rod 3 and the second supporting rod 4; the third supporting rod 7 is vertically arranged on one side of the second supporting rod 4; fourth branch 8, the vertical one side of installing at third branch 7 of fourth branch 8, and install first piece video picture screen between first branch 3 and the second branch 4, install the second piece video picture screen between third branch 7 and the fourth branch 8, and two sets of structures make to remove the demonstration equipment and have two platforms that can demonstrate, and then improve the demonstration effect that removes the demonstration equipment.

Wherein, base 1 includes: a bottom plate 101, wherein the bottom plate 101 is installed on the base 1, the bottom of the lower side of the bottom plate 101 is provided with an air cylinder, the loudspeaker 2 is installed on the upper side end face of the bottom plate 101, and the bottom plate 101 is a structure for installing the air cylinder and the loudspeaker 2; the lower convex rod a102, the lower convex rod a102 is convexly arranged at the bottom of the lower side of the bottom plate 101, the top end of one side of the connecting rod 5 is connected and arranged on the lower convex rod a102, and the lower convex rod a102 limits the connection of one end of the connecting rod 5; the main hole 103 is formed in the bottom plate 101, the first supporting rod 3 vertically penetrates through the main hole 103, the first supporting rod 3 is installed in the main hole 103 in a limiting mode, and the movable demonstration device is guaranteed to be firm in structural installation.

Wherein the first strut 3 comprises: control lever 301, control lever 301 protrusion fixed mounting is in the downside of first branch pole 3, and control lever 301's downside bottom installs protruding pole, and the cylinder connection is installed on the protruding pole on control lever 301, and control lever 301 will control the rotation and the removal of first branch pole 3, has main flexible or expansion power with first branch pole 3, and second branch pole 4 includes: half gear 401, the upside at second branch 4 is installed in the protrusion of half gear 401, second branch 4 is followed first branch 3's rotation and is removed, second branch 4 will drive half gear 401 simultaneously and remove, and half gear 401 is the rotatory moving range in the second branch 4 outside of third branch 7, will carry on spacingly to third branch 7, and the show structure of constituteing jointly of first branch 3 and second branch 4 plays the main control effect of whole removal demonstration equipment, and only control and control pole 301 just can realize the structure linkage, will improve the operating efficiency who removes demonstration equipment greatly.

Wherein, even piece 6 includes: the connecting block 6 is provided with a center hole 601, the center hole 601 is formed in the connecting block 6, the second supporting rod 4 penetrates through the center hole 601 to be installed in the center hole 601, the second supporting rod 4 penetrates through the center hole 601 to realize installation and limiting of the connecting block 6, and the connecting block 6 can swing at two ends by taking the structural circle centers of the center hole 601 and the second supporting rod 4 as rotating circular points; the auxiliary hole 602 is formed in the connecting block 6, the third support rod 7 penetrates through the auxiliary hole 602, and the auxiliary hole 602 limits the third support rod 7 so that the third support rod 7 and the second support rod 4 are firmly connected; lower arch b603, lower arch b603 protrusion is installed in the downside bottom of even piece 6, and one side top of connecting rod 5 is connected and is installed under on arch b603, lower arch b603 will be the structure of connecting and controlling, and even piece 6 displacement will drive down arch b603 and carry out synchronous motion, even piece 6 installation makes the operation structure who controls folding and expansion that has the linkage on the removal presentation device, not only can be on a straight line when two sets of structures expand, be convenient for show and contrast, folding the vertical placing of getting up simultaneously has also saved the storage space, improve the convenience that the equipment demonstration was controlled once more.

Wherein the third strut 7 comprises: the full gear 701 is arranged on the upper side of the middle of the third support rod 7, the full gear 701 is meshed with the half gear 401, and the full gear 701 rotates around the half gear 401 to ensure that the full gear 701 and the third support rod 7 move smoothly; the connection block 702 is correspondingly installed at the top ends of the upper sides of the third supporting rod 7 and the second supporting rod 4, the third supporting rod 7 is connected with the second supporting rod 4 through the connection block 702, the connection block 6 for assisting the lower side is installed through the connection block 702, secondary connection and fixation are conducted on the installation of the third supporting rod 7 and the second supporting rod 4, the structural use firmness of the mobile demonstration device is guaranteed, and the service life of the mobile demonstration device is prolonged.

The specific use mode and function of the embodiment are as follows:

in the using process, the base 1 is placed on a field to be used, then the universal wheels at the lower end of the base 1 are fixed, then the air cylinder arranged at the lower side of the bottom plate 101 is started, the air cylinder can pull or push the control rod 301 repeatedly, so that the first support rod 3 rotates and swings in the main holes 103 formed in the base 1 and the bottom plate 101, the first support rod 3 rotates by taking the structure of the connecting rod 5 as a rotating radius, one end of the connecting rod 5 is sleeved on the lower convex rod a102, the connecting rod 5 is limited and arranged on the bottom plate 101 through the lower convex rod a102, the first support rod 3 rotates and swings to drive the second support rod 4 to synchronously move, the second support rod 4 is arranged in the central hole 601 in a penetrating manner and synchronously drives the connecting block 6 to move, due to the respective connection of two ends of the connecting rod 5, the connecting block 6 rotates to drive the lower convex rod b603 to rotate through the connecting rod 5, so that the connecting rod 5 is connected with and limits the position of the connecting block 6, the connecting block 6 rotates by taking the structural center of the second supporting rod 4 as a circular point, the connecting block 6 is synchronously controlled by a third supporting rod 7 which penetrates through the auxiliary hole 602, the third supporting rod 7 is meshed with a half gear 401 through a full gear 701 to realize rotation limiting, then the third supporting rod 7 and the second supporting rod 4 are connected in a ring sleeve manner through a connecting block 702, a fourth supporting rod 8 synchronously moves along with the movement of the third supporting rod 7, and after the first supporting rod 3, the second supporting rod 4, the third supporting rod 7 and the fourth supporting rod 8 respectively form two installed display screens, the mobile demonstration equipment is stored and placed, after the first supporting rod 3, the second supporting rod 4, the third supporting rod 7 and the fourth supporting rod 8 respectively form the two installed display screens in a shape of Chinese character 'yi' and are unfolded, the loudspeaker 2 placed on the bottom plate 101 is opened according to use requirements to play and cooperate, to this end, the use of the mobile presentation device is completed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The mobile demonstration device based on the legal case is characterized by comprising a base (1) and a loudspeaker (2), wherein the loudspeaker (2) is arranged on the base (1); the first supporting rod (3) is vertically installed in the base (1) in a penetrating mode; the second supporting rod (4), the second supporting rod (4) is correspondingly installed on one side of the first supporting rod (3); the connecting rod (5), the said connecting rod (5) is connected and mounted on base (1); the connecting block (6), the connecting block (6) is connected and installed at the top end of one side of the connecting rod (5); the third supporting rod (7) is vertically arranged on one side of the second supporting rod (4); and the fourth supporting rod (8) is vertically arranged on one side of the third supporting rod (7).

2. The forensic-based mobile presentation device according to claim 1, characterised in that the base (1) comprises: the bottom plate (101), the said bottom plate (101) is installed on base (1); the lower protruding rod a (102), the lower protruding rod a (102) is installed at the bottom of the lower side of the bottom plate (101) in a protruding mode, and the top end of one side of the connecting rod (5) is installed on the lower protruding rod a (102) in a connected mode; the main hole (103), main hole (103) are seted up on bottom plate (101), and first branch (3) vertical run-through installs in main hole (103).

3. The forensic case-based mobile presentation device as claimed in claim 1 wherein the first pole (3) comprises: the control rod (301) is fixedly installed on the lower side of the first supporting rod (3) in a protruding mode.

4. The forensic-based mobile presentation device according to claim 1, characterised in that the second pole (4) comprises: and the half gear (401) is installed on the upper side of the second support rod (4) in a protruding mode.

5. The forensic case-based mobile presentation device as claimed in claim 1 wherein the junction (6) comprises: the central hole (601), the said central hole (601) is set up on the connecting block (6); the auxiliary hole (602), the said auxiliary hole (602) is set up on the connecting block (6); and the lower convex rod b (603), and the lower convex rod b (603) is convexly arranged at the bottom of the lower side of the connecting block (6).

6. The forensic-based mobile presentation device according to claim 4, characterised in that the third bar (7) comprises: a full gear (701), wherein the full gear (701) is arranged on the upper middle side of the third strut (7), and the full gear (701) is meshed with the half gear (401); the connecting block (702), the connecting block (702) is correspondingly arranged at the top ends of the upper sides of the third supporting rod (7) and the second supporting rod (4), and the connecting block (702) is used for connecting the third supporting rod (7) with the second supporting rod (4).

7. The forensic case based mobile presentation apparatus according to claim 3 characterised in that the lower bottom of the joystick (301) is mounted with a projecting rod and the cylinder connection is mounted on the projecting rod on the joystick (301).

8. The forensic case-based mobile demonstration apparatus as claimed in claim 5 wherein the second strut (4) is mounted through the central hole (601) and the third strut (7) is mounted through the secondary hole (602), the top end of one side of the connecting rod (5) is mounted on the lower protruding rod b (603).