Distance measuring wheel for garden planning and design

Abstract

A distance measuring wheel for garden planning and design comprises a push rod, a handle is fixed to the upper end of the push rod, a distance measuring wheel body is rotatably connected to the lower end of the push rod, an arc-shaped shell is fixed to the upper portion of the distance measuring wheel body, a first sliding groove is formed in the shell along the arc side wall, and the bottom end of the push rod is slidably connected into the first sliding groove. A vertically-through containing groove is formed in the push rod, a transmission rod extending to the position between the shell and the distance measuring wheel body is arranged in the containing groove, an elastic reset assembly is arranged between the transmission rod and the push rod, and the extending end of the transmission rod, the shell and the distance measuring wheel body are provided with corresponding clamping assemblies respectively. Therefore, the angle of the push rod can be conveniently and quickly adjusted, and the stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of distance measuring equipment, in particular to a distance measuring wheel for garden planning and design. Background Art

[0002] The distance measuring wheel is also called a mechanical distance measuring vehicle, a digital distance measuring wheel and a measuring wheel. It is often composed of a roller, a push rod and a meter. During use, the user pushes the roller to roll along a straight line via the push rod, and the rotation of the roller enables the meter to count. It is widely used in professional surveying and mapping operations, evaluation of garden landscapes and construction measurements of golf courses, measurement of the distance and position of traffic accidents, and measurement of farmland construction management.

[0003] The inventor is a teacher of garden design in a college. When teaching how to use a measuring wheel to plan and design a garden, he found that the push rod of the measuring wheel is often movably connected or fixedly connected: although the movable connection is convenient for adjusting the inclination angle of the push rod at will, due to the lack of a limiting structure, the push rod is prone to circular swing during the pushing process of the measuring wheel if the ground is uneven, affecting the normal pushing of the measuring wheel; although the fixedly connected push rod improves stability, it is impossible to adjust the push rod to an angle that is convenient for force application according to the height of the user. Therefore, a measuring wheel for garden planning and design is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a distance measuring wheel for garden planning and design, which has the advantage of conveniently adjusting the angle of the push rod.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distance measuring wheel for garden planning and design, comprising a push rod, a handle is fixed on the upper end of the push rod, and a distance measuring wheel body is rotatably connected to the lower end, an arc-shaped shell is fixed to the upper part of the distance measuring wheel body, a slide groove is provided along the arc side wall of the shell, and the bottom end of the push rod is slidably connected to the slide groove, a vertical through accommodating groove is provided in the push rod, a transmission rod extending between the shell and the distance measuring wheel body is provided in the accommodating groove, an elastic reset component is provided between the transmission rod and the push rod, and the extended end of the transmission rod is respectively provided with corresponding clamping components with the shell and the distance measuring wheel body, so that when the transmission rod slides vertically, the shell and the distance measuring wheel body are respectively clamped.

[0006] Furthermore, the elastic reset component includes a second slide groove vertically opened on the top of the accommodating groove, a transmission rod extending into the second slide groove and having a button fixed at one end, the button is slidably connected in the second slide groove, and a baffle is radially arranged on the upper part of the transmission rod, and a spring is vertically arranged between the baffle and the bottom wall of the second slide groove, so that the button always has elastic potential energy to slide upward.

[0007] Further, the clamping assembly includes a tooth protrusion 1 arranged along a slide groove 1 on the inner wall of the shell, a tooth protrusion 2 is arranged on the outer side of the rotating shaft of the distance measuring wheel body, a transmission rod is provided with a tooth protrusion 3 and a tooth protrusion 4 corresponding to the tooth protrusion 1 and the tooth protrusion 2, an arc-shaped slide groove 3 is arranged on the tooth protrusion 2, and the bottom end of the transmission rod is slidably connected with the slide groove 3, so that when the transmission rod slides down, the tooth protrusion 3 is driven to disengage from the tooth protrusion 1, and the tooth protrusion 4 abuts against the tooth protrusion 2 to clamp and fix it.

[0008] Furthermore, an auxiliary wheel is extended obliquely downward from the rear end of the shell, and the bottom of the auxiliary wheel is flush with the distance measuring wheel body.

[0009] Furthermore, the distance measuring wheel body is configured as an "H"-shaped structure with the middle portion of the side wall concave toward the center of the circle.

[0010] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0011] The distance measuring wheel for garden planning and design is provided with a transmission rod slidably arranged in a push rod, so that when the distance measuring wheel is used, the transmission rod is pushed down until the tooth protrusion four on the transmission rod is clamped and fixed with the tooth protrusion two on the distance measuring wheel body, at which time the tooth protrusion three on the transmission rod is separated from the tooth protrusion one, so that the push rod can slide around the first arc of the slide groove to adjust the angle, and because the tooth protrusion four and the tooth protrusion two are clamped and fixed, when the push rod rotates around the first arc of the slide groove, the distance measuring wheel body is in a self-locking state, thereby preventing the distance measuring wheel from sliding during adjustment; after the push rod angle is adjusted, the transmission rod is reset under the action of an elastic reset component, so that the tooth protrusion four is separated from the tooth protrusion two, and the tooth protrusion three is clamped and connected with the tooth protrusion one again, thereby unlocking the distance measuring wheel body and fixing the push rod, and the operation is convenient, fast and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 It is a half-section view of the utility model;

[0014] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0015] Figure 4 It is a schematic diagram of the structure of the push rod in a fixed state;

[0016] Figure 5 Unlock the state structure intent for the push rod.

[0017] In the figure: 1. push rod; 2. handle; 3. distance measuring wheel body; 4. shell; 5. slide groove 1; 6. tooth protrusion 1; 7. tooth protrusion 2; 8. tooth protrusion 3; 9. tooth protrusion 4; 10. transmission rod; 11. auxiliary wheel; 12. button; 13. slide groove 2; 14. receiving groove; 15. slide groove 3; 16. spring; 17. baffle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-5 A distance measuring wheel for garden planning and design in the present application comprises a push rod 1, a handle 2 is fixed on the upper end of the push rod 1, a distance measuring wheel body 3 is rotatably connected to the lower end, an arc-shaped shell 4 is fixed on the upper part of the distance measuring wheel body 3, a slide groove 5 is provided along the arc side wall of the shell 4, the bottom end of the push rod 1 is slidably connected in the slide groove 5, a vertical through receiving groove 14 is provided in the push rod 1, a transmission rod 10 extending between the shell 4 and the distance measuring wheel body 3 is provided in the receiving groove 14, an elastic reset component is provided between the transmission rod 10 and the push rod 1, and the protruding ends of the transmission rod 10 are respectively provided with corresponding clamping components with the shell 4 and the distance measuring wheel body 3, so that when the transmission rod 10 slides vertically, the shell 4 and the distance measuring wheel body 3 are respectively clamped.

[0020] When the measuring wheel is not in use, under the action of the elastic reset component, the transmission rod 10 is only fixedly connected to the shell 4 through the clamping component. At this time, the push rod 1 is fixed and cannot be adjusted. When the measuring wheel is used and the angle of the push rod 1 needs to be adjusted, the transmission rod 10 is pushed down to make the transmission rod 10 disengage from the clamping and fixing with the shell 4 until the transmission rod 10 is clamped and fixed with the measuring wheel body 3 through the clamping component. At this time, the measuring wheel body cannot rotate, so it stays stably in the original position, and the push rod 1 can rotate along the arc of the slide groove 5, so as to adjust the angle of the push rod 1. After the adjustment is appropriate, the transmission rod 10 slides up under the action of the elastic reset component, disengages from the clamping and fixing with the measuring wheel body 3, and is clamped and fixed with the shell 4 again, so as to fix the push rod 1 and unlock the measuring wheel body 3, so as to conveniently and quickly adjust the angle of the measuring wheel push rod 1 and improve the stability.

[0021] The elastic reset component includes a second slide groove 13 vertically opened on the top of the accommodating groove 14, and a transmission rod 10 extends into the second slide groove 13 and a button 12 is fixed at one end. The button 12 is slidably connected in the second slide groove 13, and a baffle 17 is radially arranged on the upper part of the transmission rod 10, and a spring 15 is vertically arranged between the baffle 17 and the bottom wall of the second slide groove 13, so that the button 12 always has elastic potential energy to slide upward.

[0022] When adjusting the angle of the push rod 1, manually hold the handle 2 and press the button 12 to push the transmission rod 10 down and compress the spring 16. After the adjustment is completed, release the squeeze on the button 12. Under the action of the elastic potential energy generated by the deformation of the spring 16, the transmission rod 10 is pushed up and reset, thereby driving the transmission rod 10 to be clamped and fixed with the outer housing 4, thereby fixing the push rod 1 to facilitate the stable pushing of the distance measuring wheel.

[0023] The clamping assembly includes a tooth protrusion 1 6 arranged along a slide groove 1 5 on the inner wall of the shell 4, a tooth protrusion 2 7 is arranged on the outer side of the rotating shaft of the distance measuring wheel body 3, and a transmission rod 10 is provided with a tooth protrusion 3 8 and a tooth protrusion 4 9 corresponding to the tooth protrusion 1 6 and the tooth protrusion 2 7. The tooth protrusion 2 7 is provided with an arc-shaped slide groove 3 15. The bottom end of the transmission rod 10 is slidably connected with the slide groove 3 15, so that when the transmission rod 10 slides down, the tooth protrusion 3 8 is driven to disengage from the tooth protrusion 1 6, and the tooth protrusion 4 9 abuts against the tooth protrusion 2 7 to clamp and fix it.

[0024] When the transmission rod 10 is not active, the tooth protrusion 1 6 and the tooth protrusion 3 8 are clamped and fixed to fix the push rod 1. When the transmission rod 10 slides down, the tooth protrusion 3 8 is disengaged from the tooth protrusion 1 6, and the tooth protrusion 4 9 is fixedly abutted against the tooth protrusion 2 7, so that the transmission rod 10 is unlocked. When the push rod 1 slides along the slide groove 1 5, the bottom end of the transmission rod 10 slides along the slide groove 3 15, thereby adjusting the angle of the push rod 1 and locking the distance measuring wheel body 3 to prevent the distance measuring wheel body 3 from rotating when the push rod 1 is adjusted.

[0025] An auxiliary wheel 11 extends obliquely downward from the rear end of the housing 4, and the bottom of the auxiliary wheel 11 is flush with the distance measuring wheel body 3. The auxiliary wheel 11 can further limit the distance measuring wheel body 3 so that the distance measuring wheel body 3 moves in a straight line when rotating.

[0026] The distance measuring wheel body 3 is arranged as an "H"-shaped structure with the middle of the side wall concave toward the center of the circle. The distance measuring wheel body 3 of the "H"-shaped structure leaves a certain gap in the middle, which reduces the contact area between the distance measuring wheel body 1 and the ground, while also ensuring stability and avoiding large gravel on the road surface that hinders the rotation of the distance measuring wheel body 3.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distance measuring wheel for garden planning and design, comprising a push rod (1), a handle (2) being fixed at the upper end of the push rod (1), and a distance measuring wheel body (3) being rotatably connected at the lower end, characterized in that: An arc-shaped housing (4) is fixed on the upper part of the distance measuring wheel body (3), and a slide groove (5) is provided along the arc side wall of the housing (4). The bottom end of the push rod (1) is slidably connected to the slide groove (5). A vertical through-going receiving groove (14) is provided in the push rod (1). A transmission rod (10) extending between the housing (4) and the distance measuring wheel body (3) is provided in the receiving groove (14). An elastic reset component is provided between the transmission rod (10) and the push rod (1). The extended end of the transmission rod (10) is respectively provided with corresponding clamping components with the housing (4) and the distance measuring wheel body (3), so that when the transmission rod (10) slides vertically, the housing (4) and the distance measuring wheel body (3) are respectively clamped.

2. A distance measuring wheel for garden planning and design according to claim 1, characterized in that: The elastic reset assembly comprises a second slide groove (13) vertically opened at the top of the accommodating groove (14), a transmission rod (10) extending into the second slide groove (13) and having a button (12) fixed at one end, the button (12) being slidably connected in the second slide groove (13), and a baffle (17) being radially arranged on the upper part of the transmission rod (10), and a spring (16) being vertically arranged between the baffle (17) and the bottom wall of the second slide groove (13), so that the button (12) always has elastic potential energy to slide upward.

3. The distance measuring wheel for garden planning and design according to claim 1, characterized in that: The clamping assembly comprises a tooth protrusion 1 (6) arranged along a slide groove 1 (5) on the inner wall of the housing (4), a tooth protrusion 2 (7) arranged on the outer side of the rotating shaft of the distance measuring wheel body (3), a transmission rod (10) provided with a tooth protrusion 3 (8) and a tooth protrusion 4 (9) corresponding to the tooth protrusion 1 (6) and the tooth protrusion 2 (7), a circular arc-shaped slide groove 3 (15) arranged on the tooth protrusion 2 (7), and the bottom end of the transmission rod (10) is slidably connected with the slide groove 3 (15), so that when the transmission rod (10) slides down, the tooth protrusion 3 (8) is driven to separate from the tooth protrusion 1 (6), and the tooth protrusion 4 (9) abuts against the tooth protrusion 2 (7) to be clamped and fixed.

4. The distance measuring wheel for garden planning and design according to claim 1, characterized in that: An auxiliary wheel (11) extends obliquely downward from the rear end of the housing (4), and the bottom of the auxiliary wheel (11) is flush with the distance measuring wheel body (3).

5. The distance measuring wheel for garden planning and design according to claim 1, characterized in that: The distance measuring wheel body (3) is arranged as an "H"-shaped structure with the middle of the side wall concave inwards towards the center of the circle.

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