CN215474133U

CN215474133U - Tool ruler for geography teaching

Info

Publication number: CN215474133U
Application number: CN202121672628.8U
Authority: CN
Inventors: 李新富
Original assignee: Fengshun Haowei Machinery Technology Co ltd
Current assignee: Fengshun Haowei Machinery Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-11
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a tool ruler for geography teaching, which comprises a vertical ruler, wherein a transverse ruler component is arranged on the inner surface of the vertical ruler, an extension ruler component is arranged on the inner surface of the transverse ruler component, the transverse ruler component comprises two groups of shells, a plurality of fixing holes are uniformly formed in the front surfaces of the two groups of shells, handles are symmetrically arranged on the back surfaces of the shells, a guide rod and a spring rope are arranged on the opposite sides of the inner walls of the two groups of shells, and the spring rope is positioned on the opposite side of the guide rod and the shell. According to the utility model, the two groups of shells are driven to be separated by pulling the handle, so that the extension ruler body can be pulled out for length adjustment, different use requirements are met, meanwhile, the extension ruler body cannot slide out accidentally in the use or carrying process, and the lugs on the two sides of the extension ruler body penetrate through the two groups of shells and are flush with the edges of the shells, so that the accuracy of line drawing cannot be influenced after the extension ruler body is pulled out.

Description

Tool ruler for geography teaching

Technical Field

The utility model relates to the technical field of teaching tools, in particular to a tool ruler for geography teaching.

Background

The students can intuitively and vividly understand various instruments used by the teaching contents and the general names of the tools used by the teachers during teaching. The teaching aid is called for short. The teaching aid can improve the learning interest of students, enrich the perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of the students. General 3 types of ordinary teaching aid, special teaching aid, infant teaching aid, ordinary teaching aid divide: including conventional and professional teaching aids used in primary and secondary school basic education and professional education of major and secondary schools. Generally, the object is a real object, and objective objects are directly presented to students so that the students can directly feel the object; simulation objects including specimens, models and other reproductions, such as globes, human models, engineering equipment models, etc.; the diagram for depicting the object image comprises various visualization diagrams such as pictures, photos, maps, statistics, designs and the like; modern equipment for reproducing the image of the object and the process thereof, such as movie machines, television sets, audio recorders, video recorders, slide projectors, projectors and the like. And conventional teaching aids used during teaching, such as blackboards, blackboard erasers, whiteboards, chalks and the like.

The following problems can occur in the use process of the common tool ruler for geography teaching:

1. the levelness and the perpendicularity of lines are difficult to guarantee in the process of drawing a horizontal straight line and two vertical straight lines, so that the teaching quality is influenced.

2. The length of the common tool ruler for geography teaching is limited in the using process, different using requirements are difficult to meet, and the practicability is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tool ruler for geography teaching, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tool ruler for geography teaching, is including erecting the chi, the internal surface of erecting the chi is provided with the horizontal ruler subassembly, the internal surface of horizontal ruler subassembly is provided with the extension chi subassembly.

The horizontal ruler subassembly includes that quantity is two sets of shells, and the fixed orifices of a plurality of quantities has evenly been seted up in the front of two sets of shells, the handle is installed to the equal symmetry in the back of shell, and guide bar and spring rope are installed to two sets of relative one sides of shell inner wall, the spring rope is located the guide bar and the relative one side of shell, and the quantity of guide bar and spring rope is four groups, sets up the four corners at two sets of shells respectively, and the installation direction of the two is mutually perpendicular with the shell, the stopper is installed to the left end of shell, the circular arc fixture block is installed to the left end of stopper.

Preferably, the inside mounting of stopper has the stock, the surface symmetry of stock is provided with two sets of movable blocks, and the first spring is all installed to one side that two sets of movable blocks carried on the back mutually, the mounting groove has been seted up to the inside of circular arc fixture block, and the internally mounted of mounting groove has the second spring, the chucking piece is installed to the left end of second spring, two sets of baffles are installed to the intermediate position department symmetry of the both sides of stopper.

Preferably, the extension chi subassembly includes the extension chi body, the extension chi body sets up the rectangular frame inner wall that encloses at two sets of shells, and the lug is all installed to the both sides of extension chi body, the fixed head is installed to the intermediate position department of extension chi body upper surface.

Preferably, the limiting block is of a hollow structure, two groups of rectangular strip-shaped sliding grooves matched with the moving block are formed in one surface, close to the shell, of the limiting block, the shell is slidably mounted on the surface of the long rod through the moving block, the first spring sleeve is mounted on the surface of the long rod, one end of the first spring is mounted on the inner wall of the limiting block, and the other end of the first spring is mounted on the surface of the moving block.

Preferably, the inner wall at the mounting groove is installed to the one end of second spring, and the mounting panel is installed to the other end, and the chucking piece passes through mounting panel and second spring installation.

Preferably, the shell is 'C' -shaped, the two groups of shells are connected up and down, the top surface of the shell arranged at the top is provided with a rectangular strip-shaped through groove matched with the bump, and the bottom surface of the shell arranged at the bottom is provided with a rectangular strip-shaped through groove matched with the bump.

Compared with the prior art, the utility model provides a tool ruler for geography teaching, which has the following beneficial effects:

1. the shell is leftwards extruded in the process of drawing a horizontal line, the clamping block is retracted into the mounting groove by the generated pressure, the transverse ruler component can slide by the contact of the arc-shaped clamping block and the inner surface of the vertical ruler at the moment, after the clamping block is adjusted to a specified position, the shell is loosened, the limiting block and the vertical ruler are fixed under the action of the second spring to prevent the displacement of the limiting block and the vertical ruler component, so that the levelness of the drawn straight line is ensured, and the vertical ruler and the transverse ruler component can be used for drawing the vertical line in a matched manner.

2. The two groups of shells are driven to be separated by pulling the handle, the extension ruler body can be drawn out at the moment, after the extension ruler body reaches a specified length, the two groups of shells are closed under the action of the first spring and the spring rope after the handle is loosened, the extension ruler body is fixed, different use requirements can be met, meanwhile, the extension ruler body cannot slide out accidentally in the use or carrying process, the practicability is high, the lugs on the two sides of the extension ruler body penetrate through the two groups of shells and are flush with the edges of the shells, and chalk is tightly attached to the surfaces of the shells in the drawing process, so that the accuracy of line drawing cannot be influenced after the extension ruler body is drawn out.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a vertical ruler of the present invention;

FIG. 3 is a schematic view of the connection structure of the housing of the present invention;

FIG. 4 is a schematic view of the structure of the mounting portion of the housing of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;

fig. 6 is a schematic view of the extension rule assembly of the present invention.

In the figure: 1. a vertical ruler; 2. a cross bar assembly; 201. a housing; 202. a fixing hole; 203. a guide bar; 204. a spring cord; 205. a handle; 206. a limiting block; 207. an arc fixture block; 208. a long rod; 209. a moving block; 210. a first spring; 211. a second spring; 212. a clamping block; 213. a baffle plate; 3. an extension rule assembly; 301. an extension rule body; 302. a bump; 303. and fixing the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a tool ruler for geography teaching, includes and erects chi 1, erects the internal surface of chi 1 and is provided with horizontal chi subassembly 2, and horizontal chi subassembly 2's internal surface is provided with extension chi subassembly 3.

The horizontal ruler subassembly 2 includes that quantity is two sets of shell 201, the fixed orifices 202 of a plurality of quantities are evenly seted up in the front of two sets of shells 201, handle 205 is installed to the equal symmetry in back of shell 201, guide bar 203 and spring rope 204 are installed to the relative one side of two sets of shells 201 inner walls, spring rope 204 is located the relative one side of guide bar 203 and shell 201, and the quantity of guide bar 203 and spring rope 204 is four groups, set up the four corners at two sets of shells 201 respectively, the installation direction of the two is mutually perpendicular with shell 201, stopper 206 is installed to the left end of shell 201, circular arc fixture block 207 is installed to the left end of stopper 206.

In this implementation, the internally mounted of stopper 206 has stock 208, the surface symmetry of stock 208 is provided with two sets of movable blocks 209, and first spring 210 is all installed to one side that two sets of movable blocks 209 carried on the back mutually, the mounting groove has been seted up to circular arc fixture block 207's inside, and the internally mounted of mounting groove has second spring 211, chucking piece 212 is installed to the left end of second spring 211, two sets of baffles 213 are installed to the intermediate position department symmetry of the both sides of stopper 206, make horizontal ruler subassembly 2 can not take place the displacement easily at the in-process that uses through chucking piece 212 and second spring 211, and then guarantee the quality of mapping.

In this implementation, extension chi subassembly 3 includes extension chi body 301, and extension chi body 301 sets up the rectangular frame inner wall that encloses at two sets of shells 201, and extension chi body 301's both sides all install lug 302, and extension chi body 301 upper surface's intermediate position department installs fixed head 303, fixed orifices 202 with fixed head 303 looks adaptation, through first spring 210, spring rope 204 and two sets of shells 201 with fixed head 303 fixed, prevent that it from taking place the displacement along with extension chi body 301.

In this implementation, the limiting block 206 is a hollow structure, two sets of rectangular strip-shaped sliding grooves matched with the moving block 209 are formed in one surface of the limiting block 206, which is close to the housing 201, the housing 201 is slidably mounted on the surface of the long rod 208 through the moving block 209, the first spring 210 is sleeved on the surface of the long rod 208, one end of the first spring 210 is mounted on the inner wall of the limiting block 206, the other end of the first spring is mounted on the surface of the moving block 209, resistance is formed on the moving block 209 through the first spring 210, the housing 201 cannot be accidentally opened, and the long rod 208 is used for ensuring that the moving block 209 only moves in one direction.

In this implementation, the inner wall at the mounting groove is installed to the one end of second spring 211, and the mounting panel is installed to the other end, and chucking piece 212 passes through the mounting panel and the installation of second spring 211, exerts certain pressure at chucking piece 212 through second spring 211, and then guarantees that vertical ruler 1 and horizontal ruler subassembly 2 can not take place relative displacement at the in-process of drawing.

In this implementation, shell 201 is 'C' form, two sets of shells 201 connect from top to bottom, the rectangular strip through groove with lug 302 looks adaptation is seted up to the top surface of the shell 201 that sets up at the top, the rectangular strip through groove with lug 302 looks adaptation is seted up to the bottom surface of the shell 201 that sets up at the bottom, the lug 302 of guaranteeing extension chi body 301 both sides flushes with the edge of shell 201, the surface of shell 201 is hugged closely to the in-process chalk of drawing, consequently, extension chi body 301 is pulled out the back, can not influence the precision of setting-out.

The working principle is as follows: the shell 201 is pressed leftwards in the process of drawing a horizontal line, the clamping block 212 retracts into the mounting groove under the generated pressure, at the moment, the arc clamping block 207 is in contact with the inner surface of the vertical ruler 1, the horizontal ruler component 2 can slide, after the specified position is adjusted, the shell 201 is loosened, the limiting block 206 and the vertical ruler 1 are fixed under the action of the second spring 211, the relative displacement of the two is prevented, the levelness of the drawn straight line is ensured, and the vertical ruler 1 and the horizontal ruler component 2 can be used for drawing a vertical line in a matching way; when length needs to be adjusted, pulling handle 205 drives two sets of shells 201 and separates, at this moment can take extension chi body 301 out, reach appointed length after, it is closed to loosen handle 205 two sets of shells 201 under the effect of first spring 210 and spring rope 204, it is fixed with fixed head 303 together with extension chi body 301 through fixed orifices 202, prevent it and take place the displacement, can satisfy different user demands, the phenomenon of the unexpected roll-off of extension chi body 301 can not appear in the in-process of using or carrying simultaneously, the practicality is higher, and the both sides lug of extension chi body 301 runs through two sets of shells 201, flush with the edge of shell 201, the surface of shell 201 is hugged closely to the chalk at the in-process of drawing, consequently, extension chi body 301 is pulled out the back, can not influence the precision of setting-out.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 only for convenience in describing and simplifying 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 utility model. 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; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a tool ruler for geography teaching, includes vertical ruler (1), its characterized in that: a transverse ruler component (2) is arranged on the inner surface of the vertical ruler (1), and an extension ruler component (3) is arranged on the inner surface of the transverse ruler component (2);

the cross ruler assembly (2) comprises two sets of shells (201) in number, fixing holes (202) in a plurality of numbers are uniformly formed in the front faces of the two sets of shells (201), handles (205) are symmetrically mounted on the back faces of the shells (201), guide rods (203) and spring ropes (204) are mounted on one sides, opposite to the inner walls, of the two sets of shells (201), the spring ropes (204) are located on one sides, opposite to the shells (201), of the guide rods (203), the number of the guide rods (203) and the number of the spring ropes (204) are four sets, the four corners are respectively arranged at four corners of the two sets of shells (201), the mounting directions of the guide rods (203) and the shells (201) are perpendicular to each other, a limiting block (206) is mounted at the left end of the shells (201), and an arc-shaped clamping block (207) is mounted at the left end of the limiting block (206).

2. The tool ruler for geography teaching according to claim 1, wherein: the novel arc-shaped clamping device is characterized in that a long rod (208) is mounted inside the limiting block (206), two sets of moving blocks (209) are symmetrically arranged on the surface of the long rod (208), first springs (210) are mounted on the opposite sides of the two sets of moving blocks (209), a mounting groove is formed in the arc-shaped clamping block (207), a second spring (211) is mounted inside the mounting groove, a clamping block (212) is mounted at the left end of the second spring (211), and two sets of baffle plates (213) are symmetrically mounted at the middle positions of the two sides of the limiting block (206).

3. The tool ruler for geography teaching according to claim 1, wherein: the extension rule component (3) comprises an extension rule body (301), the extension rule body (301) is arranged on the inner wall of a rectangular frame surrounded by two groups of shells (201), convex blocks (302) are mounted on two sides of the extension rule body (301), and a fixing head (303) is mounted in the middle of the upper surface of the extension rule body (301).

4. The tool ruler for geography teaching according to claim 2, wherein: the limiting block (206) is of a hollow structure, two groups of rectangular strip-shaped sliding grooves matched with the moving block (209) are formed in one surface, close to the shell (201), of the limiting block, the shell (201) is slidably mounted on the surface of the long rod (208) through the moving block (209), the first spring (210) is sleeved on the surface of the long rod (208), one end of the first spring (210) is mounted on the inner wall of the limiting block (206), and the other end of the first spring is mounted on the surface of the moving block (209).

5. The tool ruler for geography teaching according to claim 2, wherein: the inner wall at the mounting groove is installed to the one end of second spring (211), and the mounting panel is installed to the other end, and chucking piece (212) passes through the mounting panel and installs with second spring (211).

6. The tool ruler for geography teaching according to claim 1, wherein: the shell (201) is 'C' shaped, the two groups of shells (201) are connected up and down, the rectangular strip-shaped through groove matched with the bump (302) is formed in the top surface of the shell (201) arranged at the top, and the rectangular strip-shaped through groove matched with the bump (302) is formed in the bottom surface of the shell (201) arranged at the bottom.