Multi-positioning globe for geography teaching

Abstract

The utility model discloses a multi-positioning globe for geography teaching, which comprises a base, a C-shaped support frame is connected to the base, a sphere is rotatably arranged on the support frame, and two ends of the support frame are rotatably connected to the upper pole and the lower pole of the sphere through an upper rotating shaft and a lower rotating shaft respectively; the upper rotating shaft is sleeved with a first spring and a locking ring, one end of the first spring is fixedly connected to the upper rotating shaft, the other end of the first spring is fixedly connected to one end face of the locking ring, and the other end face of the locking ring is provided with a first ratchet structure. Position locking is achieved through the first spring, the locking ring and the sleeve arranged at the joint of the supporting frame and the upper pole of the ball body, operation is more convenient, and the arrangement position of a locking mechanical part better conforms to ergonomics.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching aid technical field, especially a multiple positioning globe for geography teaching. BACKGROUND

[0002] In the teaching content of middle school geography subject, the understanding and understanding of seven continents and four oceans of the whole earth and the knowledge points such as ocean current and longitude and latitude are involved. Therefore, it is a very effective way to demonstrate through the globe. Due to the design reason, the existing general globe is very easy to rotate due to the flexible connecting structure when the specific position needs to be positioned and watched, and then the displacement is easily caused, which brings the inconvenience of watching. In the prior art, Chinese patent (patent name: a globe for geography teaching; patent application number: 202220123178.5) tries to solve the above problem, but in the technical scheme of the Chinese patent, the positioning part, the limiting part and the connecting frame position for positioning are located in the oblique lower side, according to the use habit of people to the globe, it is often watched from the oblique upper side, so that the operation of the positioning part and the limiting part is very inconvenient, which does not conform to the action habit of human body. Therefore, the positioning function structure of the globe needs to be re-improved and designed. CONTENT OF THE UTILITY MODEL

[0003] In view of the above problems, the utility model provides a multiple positioning globe for geography teaching, and the scheme is as follows:

[0004] A multiple positioning globe for geography teaching, comprising a base, the base is connected with a C-shaped support frame, a spherical body is rotatably arranged on the support frame, and the two ends of the support frame are rotatably connected to the upper and lower poles of the spherical body through upper and lower rotating shafts;

[0005] A first spring and a locking ring are sleeved on the upper rotating shaft, one end of the first spring is fixedly connected to the upper rotating shaft, the other end is fixedly connected to one end face of the locking ring, and the other end face of the locking ring is provided with a first ratchet structure;

[0006] It further comprises a sleeve, the sleeve comprises a closed first end and an open second end, the lower end of the upper rotating shaft is inserted into the sleeve from the second end, and the upper rotating shaft is circumferentially rotatably connected to the sleeve, and the end face of the second end is provided with a second ratchet structure matched with the first ratchet structure;

[0007] Further comprising an outer sleeve ring, the outer sleeve ring is embedded into the upper pole position of the ball, the first end passes through the hole of the outer sleeve ring from outside to inside and extends into the ball, the outer wall of the sleeve is circumferentially rotatably connected to the inner wall of the outer sleeve ring, the outer periphery of the sleeve is provided with a second spring, and the second spring is fixedly connected to the outer wall of the sleeve and the outer wall of the outer sleeve ring through a plurality of connecting points.

[0008] In some preferred embodiments, the outer periphery of the upper rotating shaft is connected to the inner wall of the sleeve through a bearing to realize rotatable connection; the outer periphery of the sleeve is connected to the inner wall of the outer sleeve ring through a bearing to realize rotatable connection.

[0009] In some preferred embodiments, the first ratchet structure and the second ratchet structure are both inclined teeth, and the tooth tips are rounded.

[0010] In some preferred embodiments, the outer sleeve ring comprises an upper ring body and a lower ring body, the upper ring body is embedded and fixed to the ball, the inner wall of the upper ring body is rotatably connected to the sleeve, the lower ring body is detachably connected to the lower end of the upper ring body through a threaded structure, and the spring is fixedly connected to the lower end of the lower ring body through the connecting points.

[0011] In some preferred embodiments, the second spring, the lower ring body and the sleeve are all made of metal, and the connecting points are all welding points formed by welding connection.

[0012] Advantages:

[0013] 1. The first spring, the locking ring and the sleeve arranged at the upper pole connecting position of the support frame and the ball realize position locking, operation is more convenient, and the set position of the locking mechanism is more in line with ergonomics.

[0014] 2. The upper rotating shaft is rotatably connected with the sleeve, the sleeve is rotatably connected with the outer sleeve ring, and the outer sleeve ring is fixedly connected with the ball, so that multiple rotatable functions for the ball are realized, the overall rotation and locking are realized through the rotation between the upper rotating shaft and the sleeve, temporary rotation is realized through the rotation between the sleeve and the outer sleeve ring, and the second spring is reset, the use effect is good, and use is flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of an embodiment of the utility model.

[0016] Figure 2 is a connection structure schematic diagram of the upper rotating shaft and the ball in an embodiment of the utility model.

[0017] Figure 3 is an internal structure schematic diagram of the connection of the upper rotating shaft and the ball in an embodiment of the utility model.

[0018] Figure 4 is the meshing schematic view of the first ratchet structure and the second ratchet structure in the embodiment of the utility model.

[0019] Figure 5 -a is the overhead view schematic view of the clamping plate and the clamping disc in the embodiment of the utility model.

[0020] Figure 5 -b is the side view schematic view of the clamping plate and the clamping disc in the embodiment of the utility model. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and embodiments:

[0022] Reference Figures 1-5 As shown in the figure, a kind of multiple positioning globe for geography teaching, including base 100, C-shaped support frame 200 is connected on base 100, rotatably arranged with spherical body 300 on support frame 200, the upper and lower two poles of spherical body 300 are rotatably connected to support frame 200 by upper rotating shaft 210 and lower rotating shaft 220 respectively.The first spring 230 and locking ring 240 are sleeved on upper rotating shaft 210, one end of first spring 230 is fixedly connected to upper rotating shaft 210, the other end is fixedly connected to the one end face of locking ring 240, the other end face of locking ring 240 is provided with first ratchet structure 241.It further includes sleeve 250, sleeve 250 includes closed first end 252 and open second end 251, the lower end of upper rotating shaft 210 is inserted into sleeve 250 from second end 251, and upper rotating shaft 210 is connected to sleeve 250 with the rotation of circumference, the end face of second end 251 is provided with the second ratchet structure 253 matched with first ratchet structure 241.It further includes outer sleeve ring 260, outer sleeve ring 260 is embedded into the upper pole position of spherical body 300, first end 252 passes through the hole of outer sleeve ring 260 from outside to inside, and extends into spherical body 300, the outer wall of sleeve 250 is rotatably connected to the inner wall of outer sleeve ring 260, the outer periphery of sleeve 250 is provided with second spring 270, and second spring 270 is fixedly connected to the outer wall of sleeve 250 and the outer wall of outer sleeve ring 260 by several connecting points.

[0023] Adopt above technical scheme, for example, Figures 1-3As shown, the sphere 300 is used to simulate the earth. The support frame 200 is used to support and set the sphere 300. The base 100 is used to fix and set the support frame 200. The upper rotating shaft 210 connects the upper end of the support frame 200 and the upper pole of the sphere 300, and the upper rotating shaft 210 is rotatably connected and matched with the sphere 300. The lower rotating shaft 220 connects the lower end of the support frame 200 and the lower pole of the sphere 300, and the lower rotating shaft 220 is rotatably connected and matched with the sphere 300. The lower end of the first spring 230 is fixedly connected to the locking ring 240, and the upper end is fixedly connected to the middle part of the upper rotating shaft 210. Under the action of the first spring 230, the locking ring 240 and the upper rotating shaft 210 cannot produce circumferential relative rotation. The locking ring 240 controls the sleeve 250 through the meshing of the first ratchet structure 241 and the second ratchet structure 253, avoiding the circumferential rotation of the sleeve 250. When the first ratchet structure 241 and the second ratchet structure 253 are disengaged from each other, the locking ring 240 does not mesh with the sleeve 250 to produce braking, so that the sleeve 250 can rotate freely. The upper rotating shaft 210 is inserted into the sleeve 250 and is circumferentially rotatably connected with the sleeve 250, so that the two are connected and can produce relative rotation. The second ratchet structure 253 is used to mesh with the first ratchet 241 to connect the two. The outer sleeve ring 260 is fixedly connected to the sphere 300 and is integrally connected. The outer wall of the sleeve 250 is rotatably connected to the outer sleeve ring 260, so that the two are connected while producing circumferential relative rotation. The second spring 270 is arranged around the sleeve 250 and is connected to the outer wall of the sleeve 250 and the outer wall of the outer sleeve ring 260, so that after the sleeve 250 produces relative rotation with the outer sleeve ring 260, the sleeve 250 can be reset under the action of the second spring 270.

[0024] The utility model discloses in specific use, can include following three states:

[0025] The first state, the first spring 230 is subjected to the external force from below to above, and the locking ring 240 is not connected with the sleeve 250, and the whole formed by the sphere 300, the outer sleeve ring 260 and the sleeve 250 can rotate freely relative to the upper rotating shaft 210, and then the sphere 300 is rotated to the required position.

[0026] The second state: the locking ring 240 is meshed to the second ratchet structure 253 through the first ratchet structure 241 under the elastic force of the first spring 230, and then the locking ring 240 and the sleeve 250 are locked with each other, and the sleeve 250 cannot produce relative rotation relative to the upper rotating shaft 210, so as to lock the sphere 300 at a fixed angle and position.

[0027] The third state: on the basis of the second state, the ball 300 and the outer sleeve 260 are fixed together and rotate relative to the sleeve 250 under the action of an external force, and are rotated to a target position, and when the external force is removed, the ball 300 and the outer sleeve 260 are reset together under the elastic force of the second spring 270.

[0028] From the understanding of the content of the utility model, the utility model has beneficial effects, including: 1. The first spring, the locking ring and the sleeve are arranged at the upper pole connecting portion of the support frame and the ball to realize position locking, operation is more convenient, and the set position of the locking mechanism is more in line with ergonomics; 2. The upper shaft and the sleeve are rotatably connected, the sleeve and the outer sleeve are rotatably connected, the outer sleeve and the ball are fixedly connected, and then multiple rotatable functions for the ball are realized, the overall rotation and locking are realized through the rotation between the upper shaft and the sleeve, temporary rotation is realized through the rotation between the sleeve and the outer sleeve, and the second spring is reset, the use effect is good, and use is flexible and convenient.

[0029] In some preferred embodiments, as shown in Figure 3 The outer periphery of the upper shaft 210 is connected to the inner wall of the sleeve 250 through a bearing to realize rotatable connection; the outer periphery of the sleeve 250 is connected to the inner wall of the outer sleeve 260 through a bearing to realize rotatable connection. Rotatable connection is realized through a bearing, which realizes stable connection while ensuring mutual rotation function.

[0030] In some preferred embodiments, as shown in Figure 4 The first ratchet structure 241 and the second ratchet structure 253 are both inclined teeth, and the tooth tips are rounded. As shown in Figure 3 The effect of being arranged as inclined teeth is that the locking ring 240 can produce one-way rotation relative to the sleeve 250 without being separated from each other. The effect of the tooth tips being rounded is to avoid the blocking effect and easy-to-wear defects caused by sharp structures.

[0031] In some preferred embodiments, as shown in Figures 2-3 The outer sleeve 260 includes an upper ring body 261 and a lower ring body 262, the upper ring body 261 is embedded and fixed to the ball 300, the inner wall of the upper ring body 261 is rotatably connected to the sleeve 250, the lower ring body 262 is detachably connected to the lower end of the upper ring body 261 through a threaded structure, and the second spring 270 is fixedly connected to the lower end of the lower ring body 262 through a connecting point. The outer sleeve 260 is divided into the upper ring body 261 and the lower ring body 262 which are connected to each other through threads, so that the installation and disassembly of the entire mechanical structure are facilitated.

[0032] In some preferred embodiments, the second spring 270, the lower ring body 262 and the sleeve 250 are all made of metal, and the connection points are all welding points formed by welding connection. By welding connection, the stability of the connection can be ensured without affecting the function of the second spring 270.

[0033] In some preferred embodiments, as shown in Figure 5 The lower end of the upper rotating shaft 210 is rotatably connected to the bottom surface in the sleeve 250, so that the connection between the upper rotating shaft 210 and the sleeve 250 is more stable.

[0034] Further, as shown in Figure 5 The bottom surface of the sleeve 250 is provided with a semicircular ring-shaped clamping plate 254, and a gap is formed between the clamping plate 254 and the bottom surface of the sleeve 250; the lower end of the upper rotating shaft 210 is formed with a circular clamping disc 211, which is transversely clamped into the gap to realize the rotatable connection between the bottom surface of the sleeve 250 and the lower end of the upper rotating shaft 210.

[0035] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes to the present application without creative labor, according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A multi-positioning globe for geographical teaching, comprising a base (100), a C-shaped support frame (200) connected to the base (100), and a spherical body (300) rotatably arranged on the support frame (200), characterized in that, Two ends of the support frame (200) are rotatably connected to upper and lower poles of the ball (300) through an upper rotating shaft (210) and a lower rotating shaft (220) respectively; The upper rotating shaft (210) is sleeved with a first spring (230) and a locking ring (240), one end of the first spring (230) is fixedly connected to the upper rotating shaft (210), the other end is fixedly connected to one end face of the locking ring (240), and the other end face of the locking ring (240) is provided with a first ratchet structure (241); Further comprising a sleeve (250), the sleeve (250) comprises a closed first end (252) and an open second end (251), the lower end of the upper rotating shaft (210) is inserted into the sleeve (250) from the second end (251), and the upper rotating shaft (210) is circumferentially rotatably connected to the sleeve (250), and the end face of the second end (251) is provided with a second ratchet structure (253) matched with the first ratchet structure (241); Further comprising an outer sleeve ring (260), the outer sleeve ring (260) is embedded into the upper pole position of the ball (300), the first end (252) passes through the hole of the outer sleeve ring (260) from outside to inside and extends into the ball (300), the outer wall of the sleeve (250) is circumferentially rotatably connected to the inner wall of the outer sleeve ring (260), and the outer periphery of the sleeve (250) is provided with a second spring (270), and the second spring (270) is fixedly connected to the outer wall of the sleeve (250) and the outer wall of the outer sleeve ring (260) through a plurality of connection points.

2. The multi-positioning globe for geographic education of claim 1, wherein: The outer periphery of the upper rotating shaft (210) is connected to the inner wall of the sleeve (250) through a bearing to realize rotatable connection, and the outer periphery of the sleeve (250) is connected to the inner wall of the outer sleeve ring (260) through a bearing to realize rotatable connection.

3. The multi-positioning globe for geographic education of claim 1, wherein: The first ratchet structure (241) and the second ratchet structure (253) are both inclined teeth, and the tooth tips are rounded.

4. The multi-positioning globe for geographic education of claim 1, wherein: The outer sleeve ring (260) comprises an upper ring body (261) and a lower ring body (262), the upper ring body (261) is embedded and fixed to the ball (300), the inner wall of the upper ring body (261) is rotatably connected to the sleeve (250), the lower ring body (262) is detachably connected to the lower end of the upper ring body (261) through a threaded structure, and the second spring (270) is fixedly connected to the lower end of the lower ring body (262) through the connection points.

5. The multi-positioning globe for geographic education of claim 4, wherein: The second spring (270), the lower ring body (262) and the sleeve (250) are all made of metal, and the connection points are all welding points formed by welding connection.

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