Mathematical compasses with telescopic mechanism

Abstract

The utility model relates to the technical field of compasses, in particular to mathematics compasses with a telescopic mechanism, which comprise a mounting frame, and a supporting rod is movably arranged on the left side of the inner wall of the mounting frame through a clamping shaft. By means of the telescopic mechanism formed by the auxiliary rod below the compasses and the telescopic rod inside the compasses, a user can conveniently adjust the length of the auxiliary rod, and in the using process of the compasses, the supporting effect can be achieved under the action of the angle rod and the foot pad installed at the bottom of the supporting rod below the compasses; the pen holder can be mounted through a mounting pipe mounted at the bottom of a telescopic rod through a connecting rod, the pen holder can be fixed through a fixing screw handle on the right side, adjusting rotating handles on the two sides of an adjusting groove are arranged, and threads are mounted at the two ends of a rotating shaft, so that the rotating shaft can move forwards; and the gasket installed on one side is tightly attached to one side of the connecting rod, so that the effect of fixing the angle of the connecting rod is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to compass technology field, concretely is a mathematics compass with telescopic mechanism. BACKGROUND

[0002] At present, the structure of ordinary compass on the market is relatively simple, and the supporting leg length is fixed and cannot be adjusted, therefore, when drawing different size graphics, it is necessary to replace the compass of different sizes or use other drawing tools, so a mathematics compass with telescopic mechanism is provided, the compass can be telescopic and adjusted in length to adapt to different drawing requirements, so that the compass is more flexible and convenient when drawing different size circles or arcs.

[0003] A mathematics compass with telescopic mechanism is disclosed in the Chinese utility model patent application publication specification CN 214449837 U, the device is provided with a connecting rod and a telescopic rod, the user pulls the operating rod outward, the arc block leaves the clamping groove, then the operating rod is lifted upward, the operating rod drives the rectangular block to move upward, the rectangular block drives the first connecting rod to rise and rotate, the first connecting rod drives the left end of the third connecting rod to rotate left, the third connecting rod drives the left end of the second connecting rod to rotate left, the third connecting rod drives the sliding block, and the sliding block drives the telescopic rod to elongate, so that the length of the supporting leg is adjusted, and the circle is drawn more easily, but the device structure is complex, and the bottom is used for installing chalk, since the use scene of the chalk is less and the chalk is easy to break, the device does not have a certain fixing mechanism, and the telescopic mechanism cannot be fixed at a certain length, which may cause the device to shake during use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a mathematics compass with telescopic mechanism to solve the problems of installing external various pen barrels to prevent breakage and telescopic adjustment and fixing the length of the telescopic rod.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A mathematics compass with telescopic mechanism comprises

[0007] A mounting frame is provided with a supporting rod on the left side of the inner wall through a movable clamping shaft, a secondary rod is provided on the right side of the inner wall through a movable clamping shaft, a telescopic mechanism is movably arranged below the secondary rod, a distance setting mechanism is movably arranged on one side of the supporting rod, and an adjusting and mounting mechanism is movably arranged below the secondary rod through the telescopic mechanism.

[0008] A telescopic rod is movably arranged at the top end of the secondary rod, a handle is fixedly arranged at the top end of the mounting frame through welding, a movable slot is formed in the front of the supporting rod, and a telescopic clamping slot is formed in the right side of the telescopic rod.

[0009] Preferably, the bottom end of the supporting rod is fixedly provided with an angle rod by welding, the bottom end of the angle rod is fixedly provided with a bearing by glue, and the bearing is fixedly provided with a foot pad on one side by glue.

[0010] Preferably, the bottom end of the mounting frame is fixedly provided with a positioning rod by welding, the bottom end of the positioning rod is fixedly provided with a positioning plate by welding, and the positioning plate is movably arranged above the supporting rod.

[0011] Preferably, the distance adjusting mechanism comprises a distance plate and a movable screw pipe, the front of the supporting rod is movably provided with the distance plate, the bottom end of the distance plate is movably arranged in front of the auxiliary rod through a clamping shaft, the rear of the distance plate is provided with the movable screw pipe by welding, one end of the movable screw pipe is movably arranged in the inner wall of the movable groove, the inner wall of the movable screw pipe is movably provided with a distance screw rod, one end of the distance screw rod close to the distance plate is fixedly provided with a distance handle by welding, and the other end of the distance screw rod away from the distance handle is fixedly provided with a fixed cover by welding.

[0012] Preferably, the telescopic mechanism comprises a fixed screw rod and a fixed screw pipe, the right side of the auxiliary rod is fixedly provided with the fixed screw pipe by welding, the inner wall of the fixed screw pipe is movably provided with the fixed screw rod, the end of the fixed screw rod away from the auxiliary rod is fixedly provided with a fixed handle by welding, the end of the fixed screw rod away from the fixed handle is movably arranged in the inner wall of the telescopic rod through a telescopic clamping groove, the end of the fixed screw rod away from the fixed handle is fixedly provided with a fixed grinding plate by welding.

[0013] Preferably, the adjusting mounting mechanism comprises an adjusting slot and a rotating shaft, the bottom end of the telescopic rod is provided with the adjusting slot, a connecting rod is movably arranged on the inner wall of the adjusting slot, rotating shafts are movably arranged on the two sides of the connecting rod through clamping holes, the two ends of the rotating shafts are movably arranged on the two sides of the telescopic rod through threads, an adjusting handle is fixedly arranged on one end of the rotating shaft, a gasket is fixedly arranged on one side of the rotating shaft, one side of the gasket is movably arranged on one side of the connecting rod, an installation pipe is fixedly arranged on one end of the connecting rod through welding, and a fixed handle is movably arranged on the right side of the installation pipe through a screw pipe.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The mathematical compass with the telescopic mechanism can conveniently adjust the length of the auxiliary rod through the telescopic mechanism formed by the auxiliary rod below the compass and the telescopic rod inside, can support through the action of the angle rod and the foot pad installed at the bottom of the supporting rod during the use of the compass, and can conveniently rotate through the bearing installed inside, can install the pen rod through the installation pipe installed on the connecting rod at the bottom of the telescopic rod, can fix the pen rod through the fixed handle on the right side, can move the rotating shaft forward through the adjusting handle on the two sides of the adjusting slot and the threads installed at the two ends of the rotating shaft, and can tightly adhere to one side of the connecting rod through the gasket installed on one side, so that the angle of the connecting rod is fixed.

[0016] The mathematical compass with the telescopic mechanism can fix the angle of the supporting rod and the auxiliary rod after installing the pen rod, can rotate the distance handle installed on one side of the distance plate in front of the supporting rod, can make the distance screw rod drive the fixed cover in the movable slot to move so that the fixed cover is sleeved on the movable screw pipe and the two sides of the movable slot are extruded to be fixed, so that the angle of the supporting rod and the auxiliary rod is fixed, can adjust the tightness through the fixed handle on the right side of the auxiliary rod during use, can further pull the length of the telescopic rod, and can fix the handle to make the fixed screw rod press against the inside of the telescopic rod through the fixed grinding plate installed at one end of the telescopic rod inside, so that the length of the telescopic rod is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2The utility model discloses a telescopic rod internal structure schematic view;

[0019] Figure 3 The utility model discloses an adjusting groove internal structure schematic view;

[0020] Figure 4 The utility model discloses a fixed distance plate rear structure schematic view;

[0021] In the drawing: 100, mounting frame;102, support rod;103, auxiliary rod;116, telescopic rod;101, handle;106, movable slot;115, telescopic clamping groove;110, angle rod;111, bearing;112, foot pad;104, positioning rod;105, positioning plate;107, fixed distance plate;125, movable screw pipe;126, fixed distance screw rod;108, fixed distance handle;127, fixed cover;128, friction ring;113, fixed screw pipe;123, fixed screw rod;114, fixed handle;124, fixed grinding plate;118, adjusting groove;119, connecting rod;117, rotating shaft;122, adjusting handle;129, gasket;120, mounting pipe;121, fixed screw handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A compass with telescopic mechanism for mathematics includes

[0025] The mounting frame 100 is provided with the support rod 102 movably arranged on the left side of the inner wall of the mounting frame 100 through a clamping shaft, and the auxiliary rod 103 movably arranged on the right side of the inner wall of the mounting frame 100 through a clamping shaft, and the telescopic mechanism movably arranged below the auxiliary rod 103, and the distance mechanism movably arranged on one side of the support rod 102, and the adjusting and mounting mechanism movably arranged below the auxiliary rod 103 through the telescopic mechanism.

[0026] The telescopic rod 116 is movably arranged at the top of the inner wall of the auxiliary rod 103, and the handle 101 is fixedly arranged at the top of the mounting frame 100 through welding, and the movable slot 106 is formed in the front of the support rod 102, and the telescopic clamping groove 115 is formed in the right side of the telescopic rod 116.

[0027] In the embodiment, preferably, the bottom end of the support rod 102 is fixedly provided with an angle rod 110 by welding, the bottom end of the angle rod 110 is fixedly provided with a bearing 111 by glue, and a foot pad 112 is fixedly provided on one side of the bearing 111 by glue.

[0028] With the above solution, the corner rod 110 and foot pad 112 installed at the bottom of the support rod 102 can provide support, and the bearing 111 installed inside can be rotated easily.

[0029] In the embodiment, preferably, a positioning rod 104 is fixedly installed at the bottom of the mounting frame 100 by welding, and a positioning plate 105 is fixedly installed at the bottom of the positioning rod 104 by welding. The positioning plate 105 is movably installed above the support rod 102 below.

[0030] With the above scheme, the positioning plate 105 installed by the positioning rod 104 can be conveniently positioned when the support rod 102 and the auxiliary rod 103 are retracted.

[0031] In the preferred embodiment, the distance-fixing mechanism includes a distance-fixing plate 107 and a movable screw tube 125. The distance-fixing plate 107 is movably disposed in front of the support rod 102. The bottom end of the distance-fixing plate 107 is movably disposed in front of the auxiliary rod 103 via a retaining pin. The movable screw tube 125 is welded to the rear of the distance-fixing plate 107. One end of the movable screw tube 125 is movably disposed in the inner wall of the movable groove 106. A distance-fixing screw 126 is movably disposed in the inner wall of the movable screw tube 125. A distance-fixing handle 108 is fixedly disposed in the distance-fixing screw 126 near the distance-fixing plate 107 via welding. A fixing cover 127 is fixedly disposed in the distance-fixing screw 126 away from the distance-fixing handle 108 via welding. A friction ring 128 is fixedly disposed on the right side of the fixing cover 127. One side of the friction ring 128 is movably disposed in the inner wall of the movable groove 106.

[0032] After the angle adjustment is completed using the above method, the fixed-distance handle 108 installed on one side of the fixed-distance plate 107 in front of the support rod 102 is rotated. The movable screw 125 installed in the movable groove 106 behind the fixed-distance plate 107 causes the fixed-distance screw 126 to drive the fixed cover 127 in the movable groove 106 to move so that the fixed cover 127 is fitted onto the movable screw 125 and squeezes the two sides of the movable groove 106 to achieve a fixing effect, thereby fixing the angle of the support rod 102 and the auxiliary rod 103.

[0033] In the embodiment, preferably, the telescopic mechanism comprises a fixed screw rod 123 and a fixed screw pipe 113. The right side of the auxiliary rod 103 is provided with the fixed screw pipe 113 through welding. The inner wall of the fixed screw pipe 113 is movably provided with the fixed screw rod 123. The end of the fixed screw rod 123 away from the auxiliary rod 103 is provided with a fixed handle 114 through welding. The end of the fixed screw rod 123 away from the fixed handle 114 is movably arranged on the inner wall of the telescopic rod 116 through the telescopic clamping groove 115. The end of the fixed screw rod 123 away from the fixed handle 114 is provided with a fixed grinding plate 124 through welding. The left side of the fixed grinding plate 124 is movably arranged on the inner wall of the telescopic rod 116.

[0034] Through the above scheme, the tightness is adjusted through the fixed handle 114 on the right side of the auxiliary rod 103. The length of the telescopic rod 116 is further pulled. The fixed handle 114 is adjusted. The fixed grinding plate 124 installed at one end of the fixed screw rod 123 inside the telescopic rod 116 is pressed against the inside of the telescopic rod 116. The purpose of fixing the length of the telescopic rod 116 is achieved.

[0035] In the embodiment, preferably, the adjusting and installing mechanism comprises an adjusting groove 118 and a rotating shaft 117. The bottom end of the telescopic rod 116 is provided with the adjusting groove 118. The inner wall of the adjusting groove 118 is movably provided with a connecting rod 119. The connecting rod 119 is movably provided with the rotating shaft 117 through the clamping hole on both sides. The rotating shaft 117 is movably arranged on both sides of the telescopic rod 116 through threads on both ends. One end of the rotating shaft 117 is fixedly provided with an adjusting handle 122. One side of the rotating shaft 117 is fixedly provided with a gasket 129. One side of the gasket 129 is movably arranged on one side of the connecting rod 119. One end of the connecting rod 119 is fixedly provided with an installing pipe 120 through welding. The right side of the installing pipe 120 is movably provided with a fixed screw handle 121 through a screw pipe.

[0036] Through the above scheme, the installing pipe 120 installed at the bottom of the telescopic rod 116 through the connecting rod 119 can be used for installing the pen rod. The pen rod is fixed through the fixed screw handle 121 on the right side. The adjusting handle 122 on both sides of the adjusting groove 118 is adjusted. The rotating shaft 117 is moved forward through the threads installed on both ends of the rotating shaft 117. The gasket 129 installed on one side is tightly attached to one side of the connecting rod 119. The effect of fixing the angle of the connecting rod 119 is achieved.

[0037] The mathematical compass with telescopic mechanism has the effect that the length of the auxiliary rod 103 can be adjusted by the telescopic mechanism formed by the auxiliary rod 103 and the telescopic rod 116 inside the compass, and the effect that the compass can be supported by the angle rod 110 and the foot pad 112 installed at the bottom of the supporting rod 102 and the bearing 111 installed inside can be conveniently rotated, and the effect that the pen rod can be installed by the mounting pipe 120 installed at the bottom of the telescopic rod 116 through the connecting rod 119, the effect that the pen rod is fixed by the right fixing screw handle 121, and the effect that the angle of the connecting rod 119 is fixed by the adjusting handle 122 on the two sides of the adjusting groove 118, the threaded end installed at the two ends of the rotating shaft 117, the pad 129 installed on one side and tightly attached to one side of the connecting rod 119.

[0038] After the pen rod is installed, the angles of the supporting rod 102 and the auxiliary rod 103 are adjusted, the distance rotating handle 108 installed on one side of the distance plate 107 in front of the supporting rod 102 is rotated, the movable screw pipe 125 installed in the movable groove 106 behind the distance plate 107 is moved, the distance screw rod 126 drives the fixed cover 127 in the movable groove 106 to move, the fixed cover 127 is sleeved on the movable screw pipe 125, the movable groove 106 is pressed on the two sides, and the effect that the angles of the supporting rod 102 and the auxiliary rod 103 are fixed is achieved.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A mathematical compass with a telescopic mechanism, characterized in that: The utility model provides an adjustable installation frame, which comprises a mounting frame (100), a supporting rod (102) movably arranged on the left side of the inner wall of the mounting frame (100) through a clamping shaft, a sub rod (103) movably arranged on the right side of the inner wall of the mounting frame (100) through a clamping shaft, a telescopic mechanism movably arranged below the sub rod (103), a distance setting mechanism movably arranged on one side of the supporting rod (102), an adjusting and mounting mechanism movably arranged below the sub rod (103) through the telescopic mechanism. A telescopic rod (116) is movably arranged at the top of the inner wall of the sub rod (103), a handle (101) is fixedly arranged at the top of the mounting frame (100) through welding, a movable slot (106) is formed in the front of the supporting rod (102), and a telescopic clamping groove (115) is formed in the right side of the telescopic rod (116). An angle rod (110) is fixedly arranged at the bottom of the supporting rod (102) through welding, a bearing (111) is fixedly arranged at the bottom of the angle rod (110) through glue, and a foot pad (112) is fixedly arranged on one side of the bearing (111) through glue.

2. The compass with telescopic mechanism according to claim 1, characterized in that: A positioning rod (104) is fixedly arranged at the bottom of the mounting frame (100) through welding, a positioning plate (105) is fixedly arranged at the bottom of the positioning rod (104) through welding, and the positioning plate (105) is movably arranged above the supporting rod (102).

3. The compass with telescopic mechanism according to claim 1, characterized in that: The distance setting mechanism comprises a distance setting plate (107) and a movable screw pipe (125), the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of the sub rod (103) through a clamping shaft, the distance setting plate (107) is movably arranged in front of 4. The compass with telescopic mechanism according to claim 1, characterized in that: ​ 5. The compass with telescopic mechanism according to claim 1, characterized in that: ​ 6. The compass with telescopic mechanism according to claim 1, characterized in that: The adjusting installation mechanism comprises an adjusting groove (118) and a rotating shaft (117), the bottom end of the telescopic rod (116) is provided with the adjusting groove (118), the inner wall of the adjusting groove (118) is movably provided with a connecting rod (119), the two sides of the connecting rod (119) are movably provided with the rotating shaft (117) through clamping holes, the two ends of the rotating shaft (117) are movably arranged on the two sides of the telescopic rod (116) through threads, one end of the rotating shaft (117) is fixedly provided with an adjusting handle (122), one side of the rotating shaft (117) is fixedly provided with a gasket (129), one side of the gasket (129) is movably arranged on one side of the connecting rod (119), and one end of the connecting rod (119) is fixedly provided with a mounting pipe (120) through welding, and the right side of the mounting pipe (120) is movably provided with a fixed screw handle (121) through a screw pipe.

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