Handheld engineering surveying and positioning device

Abstract

The utility model relates to the technical field of engineering surveying, and discloses a handheld engineering surveying positioning device, which comprises a positioner, a protection mechanism and an extension mechanism are arranged on the positioner, the protection mechanism comprises two first protection frames rotationally mounted on a positioner body, positioning rods are arranged on the first protection frames, and the extension mechanism is arranged on the positioning rod. The first protection frame is used for protecting the positioner body, the positioning rod is used for clamping and limiting the first protection frame, the positioning rod is driven to contract by pushing a push plate, and meanwhile, a spring is extruded in the contraction movement process, so that the outer wall of the positioning rod is separated from the inner wall of a positioning hole in the outer wall of a positioning plate; the positioner body can be positioned and protected through the first protection frames and the second protection frames on the left side and the right side, and the situation that the positioner body is damaged by external force or falling, and consequently the positioner body cannot be used is prevented.

Description

Technical Field

[0001] This utility model belongs to the field of engineering measurement technology, specifically, it relates to a handheld engineering measurement positioning device. Background Technology

[0002] In the current engineering construction field, the measurement and positioning process plays a decisive role in the planning, construction, and acceptance of the entire project. Its accuracy and efficiency directly affect the quality, cost, and schedule of the project. During engineering surveying, positioning devices can quickly obtain the location information of measurement points, reducing the time spent on manual measurement and calculation and improving work efficiency. Common positioning devices include handheld and tripod-supported structures. Among them, handheld positioning devices typically have a shell, display screen, and buttons, with the display screen occupying a relatively large external area of ​​the positioning device.

[0003] Locators are mostly used in outdoor environments. Since the display screen and other components usually lack protective structures, they can be subject to external bumps when not in use. If the display screen is bumped, it can easily cause the screen to malfunction, rendering the locator unusable.

[0004] In view of this, this utility model is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a handheld engineering measurement and positioning device that can protect the locator when it is not in use, preventing it from being bumped or knocked.

[0006] The basic concept of the technical solution adopted in this utility model is:

[0007] A handheld engineering measurement and positioning device includes a locator, which is equipped with a protective mechanism and an extension mechanism. The protective mechanism includes two first protective frames rotatably mounted on the locator body, the two first protective frames facing each other, and a positioning rod on one of the first protective frames for limiting the movement of the two first protective frames. The extension mechanism includes a second protective frame slidably mounted inside the first protective frame, and a slider connected to the outer wall of the second protective frame. The second protective frame cooperates with the first protective frame to form a enclosure for the locator, and the slider is used to limit the sliding movement of the second protective frame.

[0008] According to the handheld engineering measurement and positioning device, a rotating hole is provided on the outer wall of the locator. The protective mechanism further includes a torsion spring connected to the inner wall of the rotating hole. One end of the torsion spring is connected to a rotating shaft. The outer wall of the rotating shaft away from the torsion spring is connected to a first protective frame. A first fixing block is connected to the outer wall of one first protective frame, and a second fixing block is connected to the outer wall of the other first protective frame. A slot is provided on the outer wall of the first fixing block. A limiting groove is provided on the inner wall of the slot. A positioning rod passes through the limiting groove, and a spring is provided in the limiting groove. The spring is connected to the positioning rod. A push plate is connected to the outer wall of one end of the positioning rod.

[0009] According to the handheld engineering measurement and positioning device, the outer wall of the second fixing block is provided with a slot, the inner wall of the slot is connected to a positioning plate, the outer wall of the positioning plate away from the inner wall of the slot is provided with a positioning hole, and the outer wall of the positioning rod is engaged with the positioning hole.

[0010] According to the handheld engineering measurement and positioning device, the outer wall of the positioning rod away from the spring has a force-bearing inclined surface.

[0011] According to the handheld engineering measurement and positioning device, the extension mechanism further includes a slide groove formed in the inner wall of the first protective frame, a limit block is provided in the inner wall of the slide groove, the outer wall of the slider is slidably disposed in the inner wall of the slide groove, and one side of the outer wall of the slider is connected to the outer wall of the second protective frame.

[0012] According to the handheld engineering measurement and positioning device, the outer wall of the second protective frame is properly fitted to the inner wall of the first protective frame.

[0013] According to the handheld engineering measurement and positioning device, there are two sliders on a single second protective frame, and they are symmetrically distributed on the outer wall of the second protective frame.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] This utility model uses a push plate to retract the positioning rod, and simultaneously compresses the spring during the retraction process, causing the outer wall of the positioning rod to disengage from the inner wall of the positioning hole on the outer wall of the positioning plate. This releases the locking and limiting function of the first protective frames on both sides. The first and second protective frames on the left and right sides can provide positioning and protection for the positioning device body, preventing damage to the positioning device body from external forces or drops, thus rendering it unusable.

[0016] This invention allows the slider to move along the inner wall of the chute by pushing the second protective frames on both sides. This causes the slider to first disengage from the friction limit block on the inner wall of the top of the chute, and then, when the slider moves to the bottom of the chute, it rubs against the limit block on the inner wall of the bottom, thereby limiting the second protective frame. This reduces the length of both sides when unfolded, making it more convenient to use.

[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0018] In the attached diagram:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the detachable protective mechanism of this utility model;

[0022] Figure 4 This is a partial cross-sectional view of the protective mechanism of this utility model;

[0023] Figure 5 This is a schematic diagram of the separation structure of the extension mechanism of this utility model.

[0024] In the diagram: 1. Positioner; 2. Rotary hole; 31. Protective mechanism; 311. Torsion spring; 312. Rotating shaft; 313. First protective frame; 314. First fixing block; 315. Second fixing block; 316. Positioning plate; 317. Spring; 318. Positioning rod; 319. Push plate; 3110. Positioning hole; 32. Extension mechanism; 321. Slide groove; 322. Limiting block; 323. Sliding block; 324. Second protective frame. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0026] like Figures 1 to 5 As shown, a handheld engineering measurement and positioning device includes a locator 1, a rotating hole 2 on the outer wall of the locator 1, a protective mechanism 31 and an extension mechanism 32 on the locator 1.

[0027] The protective mechanism 31 includes two first protective frames 313 rotatably mounted on the body of the locator 1. The two first protective frames 313 are arranged opposite to each other. One of the first protective frames 313 is provided with a positioning rod 318. The first protective frames 313 are used to protect the body of the locator 1, and the positioning rod 318 is used to engage and limit the two first protective frames 313. The extension mechanism 32 includes a second protective frame 324 slidably mounted inside the first protective frame 313. A slider 323 is connected to the outer wall of the second protective frame 324. The second protective frame 324 cooperates with the first protective frame 313 to form a enclosure for the locator 1. The slider 323 is used to limit the sliding of the second protective frame 324.

[0028] Furthermore, the protective mechanism 31 includes a torsion spring 311 connected to the inner wall of the rotating hole 2. One end of the torsion spring 311 is connected to a rotating shaft 312. The outer wall of the rotating shaft 312 away from the torsion spring 311 is connected to the first protective frame 313 to rotatably connect the first protective frame 313 to the positioner 1. One of the first protective frames 313 has a first fixing block 314 connected to its outer wall, and the other first protective frame 313 has a second fixing block 315 connected to its outer wall. The outer wall of the first fixing block 314 has a slot, and the inner wall of the slot has a limit groove. A positioning rod 318 passes through the limit groove, and a spring 317 is connected in the limit groove. The spring 317 is connected to the positioning rod 318, and a push plate 319 is connected to the outer wall of one end of the positioning rod 318.

[0029] Furthermore, the outer wall of the second fixing block 315 is provided with a slot, the inner wall of which is connected to a positioning plate 316. The outer wall of the positioning plate 316 away from the inner wall of the slot is provided with a positioning hole 3110, and the outer wall of the positioning rod 318 is engaged with the positioning hole 3110.

[0030] Furthermore, a force-bearing inclined surface is provided on the outer wall of the end of the positioning rod 318 away from the spring 317. The outer wall of the positioning rod 318 fits snugly against the inner wall of the positioning hole 3110. By providing a force-bearing inclined surface on one side of the positioning rod 318, the positioning plate 316 can directly squeeze and move the positioning rod 318, thereby facilitating direct locking and positioning.

[0031] The extension mechanism 32 includes a groove 321 formed in the inner wall of the first protective frame 313, a limit block 322 provided in the inner wall of the groove 321, a slider 323 slidably disposed in the inner wall of the groove 321, and one side of the outer wall of the slider 323 connected to the outer wall of the second protective frame 324.

[0032] Furthermore, the outer wall of the second protective frame 324 is fitted to the inner wall of the first protective frame 313, and the outer wall of the slider 323 is fitted to the inner wall of the slide groove 321, thereby ensuring the stability of the second protective frame 324 in supporting movement inside the first protective frame 313.

[0033] Furthermore, the limiting block 322 is made of soft rubber, and there are two sliders 323 on a single second protective frame 324, which are symmetrically distributed on the outer wall of the second protective frame 324. By making the limiting block 322 of rubber, the limiting friction between it and the slider 323 can be increased, thereby ensuring the limiting stability of the second protective frame 324.

[0034] The implementation principle of a handheld engineering measurement positioning device in this embodiment is as follows: The first protective frame 313 and the second protective frame 324 can cover and protect the main body of the positioning device 1, preventing damage to the main body from external force or drops when not in use, thus rendering it unusable. When it is necessary to release the positioning of the first protective frame 313 and the second protective frame 324, first push the push plate 319 upward, so that the push plate 319 moves upward and drives the positioning rod 318 upward. During the movement of the positioning rod 318, the spring 317 will be squeezed and compressed. At this time, the outer wall of the positioning rod 318 can be separated from the inner wall of the positioning hole 3110 opened on the outer wall of the positioning plate 316, thus releasing the positioning between the left and right first protective frames 313. As the first protective frame 313 is released from positioning, the torsion spring 311 will rebound and reset, and then drive the right first protective frame 313 to rotate clockwise. Move the first protective frame 313 ninety degrees so that it is perpendicular to the locator 1. At the same time, release the left first protective frame 313. At this time, the left first protective frame 313 will rotate counterclockwise due to the rebound of the torsion spring 311. In this way, the first protective frames 313 and the second protective frame 324 on both sides can be fully unfolded, and the locator 1 can be used normally. When the locator 1 needs to be protected when not in use, the first protective frames 313 on both sides can be pushed to rotate counterclockwise and clockwise respectively. The first protective frame 313 on the right side drives the positioning plate 316 to rotate into the slot opened on the outer wall of the first fixing block 314. At this time, the positioning plate 316 presses the inclined surface of the positioning rod 318 until the positioning plate 316 drives the positioning hole 3110 to the position of the positioning rod 318. Then, the spring 317 will rebound and push the positioning rod 318 to engage with the inner wall of the positioning hole 3110, thereby completing the protective positioning.

[0035] After both sides are unfolded, the second protective frames 324 on both sides can be pushed to move. At this time, the second protective frames 324 can drive the slider 323 on the outer wall to move the inner wall of the groove 321 opened on the inner wall of the first protective frame 313. This causes the outer wall of one side of the slider 323 to disengage from the friction limit between the slider and the limiting block 322. Then, the slider 323 is driven to move to the bottom of the groove 321. This reduces the distance between the two sides after unfolding, making it easier to use the positioner 1. When the slider 323 moves to the bottom of the groove 321, it will contact the limiting block 322 at the bottom of the groove 321 for friction limit, thereby limiting the second protective frame 324 and preventing the second protective frame 324 from extending during use, which would cause inconvenience.

Claims

1. A handheld engineering measurement and positioning device, comprising a locator, characterized in that, The locator is equipped with a protective mechanism and an extension mechanism; The protective mechanism includes two first protective frames rotatably mounted on the positioner body, the two first protective frames being arranged facing each other, and a positioning rod being provided on one of the first protective frames, the positioning rod being used to limit the two first protective frames; The extension mechanism includes a second protective frame that is slidably installed inside the first protective frame. A slider is connected to the outer wall of the second protective frame. The second protective frame and the first protective frame cooperate to form a enclosure for the locator. The slider is used to limit the sliding of the second protective frame.

2. The handheld engineering measurement and positioning device according to claim 1, characterized in that, The locator has a rotating hole on its outer wall. The protective mechanism also includes a torsion spring connected to the inner wall of the rotating hole. One end of the torsion spring is connected to a rotating shaft. The outer wall of the rotating shaft away from the torsion spring is connected to a first protective frame. One outer wall of the first protective frame is connected to a first fixing block, and the outer wall of the other first protective frame is connected to a second fixing block. The outer wall of the first fixing block has a slot. The inner wall of the slot has a limit groove. A positioning rod passes through the limit groove, and a spring is provided in the limit groove. The spring is connected to the positioning rod. One end of the positioning rod has a push plate connected to its outer wall.

3. A handheld engineering measurement and positioning device according to claim 2, characterized in that, The outer wall of the second fixing block has a slot, the inner wall of which is connected to a positioning plate. The outer wall of the positioning plate away from the inner wall of the slot has a positioning hole, and the outer wall of the positioning rod engages with the positioning hole.

4. A handheld engineering measurement and positioning device according to claim 3, characterized in that, The positioning rod has a force-bearing inclined surface on the outer wall of the end away from the spring.

5. A handheld engineering measurement and positioning device according to claim 1, characterized in that, The extension mechanism also includes a slide groove formed in the inner wall of the first protective frame, the inner wall of the slide groove is provided with a limit block, the outer wall of the slider is slidably disposed in the inner wall of the slide groove, and one side of the outer wall of the slider is connected to the outer wall of the second protective frame.

6. A handheld engineering measurement and positioning device according to claim 5, characterized in that, The outer wall of the second protective frame fits snugly against the inner wall of the first protective frame.

7. A handheld engineering measurement and positioning device according to claim 5, characterized in that, There are two sliders on a single second protective frame, and they are distributed symmetrically on the outer wall of the second protective frame.

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