Portable measuring scale for engineering survey

Abstract

The utility model discloses a portable measuring scale for engineering survey, and relates to the field of engineering survey. The portable measuring scale for engineering survey comprises a measuring instrument body, and an observation lens is arranged on the front wall of the measuring instrument body. The outer side of the measuring instrument body is provided with a protection assembly used for wrapping and shielding the observation lens. According to the portable measuring scale for engineering survey, the protective cover is pushed upwards, an insertion block is driven to move upwards, the top of the insertion block is inserted into an insertion opening, a clamping block is pushed through a spring strip, the clamping block is clamped into a clamping groove, the position of the protective cover is fixed, the protective cover is limited to the outer side of an observation lens, and the observation lens is wrapped conveniently; one group of protective covers are arranged to protect the observation lens, abrasion and collision of the observation lens during carrying are prevented, the observation lens can be protected conveniently, and similarly, the other group of protective covers protect the observation eyepiece.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering survey, in particular to a portable measuring ruler for engineering survey. Background Art

[0002] During the engineering survey process, it is necessary to measure the project area, and a measuring ruler is usually required. The measuring ruler used for engineering cost is mostly a combination of a measuring instrument and a tripod.

[0003] Chinese patent [CN219455097U] discloses a measuring ruler for engineering cost. By setting the bottom plate of the device, the device can be installed and removed from the working position, so that the device can be easily transferred and the convenience of the device is improved. The heated air is blown to the surface of the observation lens through the air jet head, so that the surface temperature of the observation lens is increased, the mist is dried, and the surface of the observation lens is kept dry, so as to avoid the phenomenon of affecting the survey results due to water mist, and improve the working quality of the device. However, the patent still has the following defects in actual application:

[0004] The observation lens and the observation eyepiece are important components of the measuring instrument. During the carrying process, the observation lens and the observation eyepiece are exposed to the outside and are prone to wear, which affects the surveyor's viewing of the measurement data in the measuring instrument and affects the measurement efficiency. In addition, the observation lens and the observation eyepiece are exposed to the outside and are prone to collision, which affects their service life. Therefore, a portable measuring ruler for engineering survey is proposed to solve the above problems. Utility Model Content

[0005] Technical issues solved

[0006] In view of the deficiencies of the prior art, the utility model provides a portable measuring ruler for engineering survey, which solves the problem mentioned in the above background technology that the observation lens and the observation eyepiece in the prior art are exposed to the outside and are prone to wear, thereby affecting the surveyor's viewing of the measurement data in the measuring instrument and affecting the measurement efficiency. In addition, the observation lens and the observation eyepiece are exposed to the outside and are prone to collision, thereby affecting their service life.

[0007] Technical Solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a portable measuring ruler for engineering survey, comprising:

[0009] A measuring instrument body, wherein an observation lens is arranged on the front wall of the measuring instrument body;

[0010] The outer side of the measuring instrument body is provided with a protective component for wrapping and shielding the observation lens, and the protective component includes:

[0011] A protective cover, which is sleeved on the outer wall of the observation lens;

[0012] A trapezoidal block and a trapezoidal groove, wherein the trapezoidal block is fixedly mounted on the rear wall of the protective cover, the trapezoidal groove is arranged on the outer wall of the measuring instrument body, and the trapezoidal block is slidably engaged in the trapezoidal groove;

[0013] The clamping assembly is used for clamping and locking the protective cover.

[0014] Preferably, the clamping assembly comprises:

[0015] A fixed block is fixedly arranged on the outer wall of the measuring instrument body, and a slot is provided on the outer wall of the fixed block;

[0016] The plug block and the clamp block, the plug block is fixedly arranged on the top of the protective cover, the outer wall of the plug block is provided with a connecting groove, and the clamp block is slidably clamped in the connecting groove, and the clamp block is docked with the clamping groove and clamped and locked in the clamping groove.

[0017] Preferably, a spring bar is fixedly arranged on the inner wall of the inner cavity of the connecting groove, and the other end of the spring bar is fixedly arranged on the outer wall of the clamping block.

[0018] Preferably, a sliding groove is provided on the inner wall of the connecting groove, and a sliding block is movably engaged with the inner wall of the sliding groove, and the outer wall of the sliding block is fixedly mounted on the outer wall of the block.

[0019] Preferably, a socket is provided at the bottom of the fixing block, and the plug block is docked with the socket.

[0020] Preferably, an observation eyepiece is provided on the rear wall of the measuring instrument body.

[0021] The utility model discloses a portable measuring ruler for engineering survey, which has the following beneficial effects: the portable measuring ruler for engineering survey, by setting the connection relationship between the measuring instrument body, the observation lens, the protective cover, the plug block, the card block and the card slot, can drive the plug block to move upward by pushing the protective cover upward, so that the top of the plug block is inserted into the socket, and the card block is pushed by the spring bar to make the card block card into the card slot, so that the position of the protective cover is fixed, so that the protective cover is restricted to the outside of the observation lens, so that the observation lens is convenient to wrap, so that the observation lens is protected, and the phenomenon of wear and collision caused to the observation lens when carried is prevented, so that it is convenient to protect it, and similarly another group of protective covers protects the observation eyepiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the observation lens of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the protective cover of the utility model;

[0026] Figure 4 This is a cross-sectional view of the plug structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the card slot structure of the utility model;

[0028] Figure 6 It is a schematic diagram of the structure of the observation lens of the utility model.

[0029] In the figure: 1, measuring instrument body; 101, observation lens; 102, observation eyepiece; 2, protective cover; 201, trapezoidal block; 202, trapezoidal groove; 3, fixing block; 301, socket; 302, card slot; 4, plug block; 401, connecting slot; 402, spring bar; 403, card block; 404, sliding slot; 405, sliding block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The embodiment of the present application provides a portable measuring ruler for engineering survey, which solves the problem in the prior art that the observation lens 101 and the observation eyepiece 102 are exposed to the outside and are prone to wear, thereby affecting the surveyor's viewing of the measurement data in the measuring instrument and affecting the measurement efficiency. In addition, the observation lens 101 and the observation eyepiece 102 are exposed to the outside and are prone to collision, thereby affecting their service life. The protective cover 2 is pushed upward to drive the plug block 4 to move upward, so that the top of the plug block 4 is inserted into the socket 301, and the card block 403 is pushed by the spring bar 402 to make the card block 403 snap into the card slot 302, so that the position of the protective cover 2 is fixed, so that the protective cover 2 is restricted to the outside of the observation lens 101, so that the observation lens 101 is wrapped, so that the observation lens 101 is protected, and the observation lens 101 is prevented from being worn and collided when being carried, so as to protect it. Similarly, another set of protective covers 2 protects the observation eyepiece 102.

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] The utility model embodiment discloses a portable measuring ruler for engineering survey. Figure 1-5 As shown, including:

[0034] The measuring instrument body 1, the front wall of the measuring instrument body 1 is provided with an observation lens 101, the above structure is a structure already in the Chinese patent [CN219455097U], and has been described in the Chinese patent [CN219455097U], so the utility model will not be elaborated in detail here;

[0035] A protective component for wrapping and shielding the observation lens 101 is arranged outside the measuring instrument body 1, and the protective component includes:

[0036] A protective cover 2, which is sleeved on the outer wall of the observation lens 101;

[0037] The trapezoidal block 201 and the trapezoidal groove 202, the trapezoidal block 201 is fixedly mounted on the rear wall of the protective cover 2, the trapezoidal groove 202 is arranged on the outer wall of the measuring instrument body 1, and the trapezoidal block 201 is slidably engaged in the trapezoidal groove 202, the user pushes the protective cover 2 upward, so that the protective cover 2 drives the trapezoidal block 201 to move upward along the inner wall of the trapezoidal groove 202, so that the bottom of the protective cover 2 fits the bottom of the fixed block 3, so as to wrap the observation lens 101, so as to protect the observation lens 101, and prevent the observation lens 101 from being worn and collided when being carried, so as to protect it;

[0038] The clamping assembly is used to clamp and lock the protective cover 2.

[0039] The card assembly includes:

[0040] A fixed block 3, which is fixedly arranged on the outer wall of the measuring instrument body 1, and a slot 302 is opened on the outer wall of the fixed block 3;

[0041] The plug-in block 4 and the clamping block 403, the plug-in block 4 is fixedly arranged on the top of the protective cover 2, the outer wall of the plug-in block 4 is provided with a connecting groove 401, and the clamping block 403 is slidably clamped in the connecting groove 401, the clamping block 403 is docked with the clamping groove 302 and clamped and locked in the clamping groove 302, and the upward moving protective cover 2 drives the plug-in block 4 to move upward, so that the upward moving plug-in block 4 drives the clamping block 403 to move upward, so that the clamping block 403 is aligned with the clamping groove 302, and the clamping block 403 is clamped into the clamping groove 302, so that the position of the plug-in block 4 is locked, thereby fixing the position of the protective cover 2, so that the protective cover 2 is restricted to the outside of the observation lens 101, which is convenient for shielding and protecting it.

[0042] A spring bar 402 is fixedly provided on the inner wall of the inner cavity of the connecting groove 401, and the other end of the spring bar 402 is fixedly provided on the outer wall of the clamping block 403. The clamping block 403 is automatically pushed outward by the pushing force of the spring bar 402, so that the clamping block 403 is clamped into the clamping groove 302, so that the insertion block 4 is restricted on the fixing block 3.

[0043] A sliding groove 404 is provided on the inner wall of the connecting groove 401, and a sliding block 405 is movably connected to the inner wall of the sliding groove 404. The outer wall of the sliding block 405 is fixedly installed on the outer wall of the card block 403. The sliding block 405 slides in the sliding groove 404 to limit the movement range of the card block 403 and prevent the card block 403 from detaching from the plug block 4.

[0044] A socket 301 is formed at the bottom of the fixing block 3 , and the inserting block 4 is connected to the socket 301 .

[0045] An observation eyepiece 102 is arranged on the rear wall of the measuring instrument body 1 , and multiple groups of protection components are arranged. Another group of protection components is arranged on the outer wall of the observation eyepiece 102 for shielding and protecting the observation eyepiece 102 .

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable measuring ruler for engineering survey, comprising a measuring instrument body (1), wherein the front wall of the measuring instrument body (1) is provided with an observation lens (101); It is characterized in that A protective component for wrapping and shielding the observation lens (101) is arranged outside the measuring instrument body (1), and the protective component comprises: A protective cover (2) sleeved on the outer wall of the observation lens (101); A trapezoidal block (201) and a trapezoidal groove (202), wherein the trapezoidal block (201) is fixedly mounted on the rear wall of the protective cover (2), the trapezoidal groove (202) is arranged on the outer wall of the measuring instrument body (1), and the trapezoidal block (201) is slidably engaged in the trapezoidal groove (202); A snap-on assembly is used to snap-on and lock the protective cover (2).

2. A portable measuring ruler for engineering survey according to claim 1, characterized in that: The clamping assembly comprises: A fixed block (3) is fixedly arranged on the outer wall of the measuring instrument body (1), and a slot (302) is provided on the outer wall of the fixed block (3); The plug block (4) and the clamping block (403) are fixedly arranged on the top of the protective cover (2), the outer wall of the plug block (4) is provided with a connecting groove (401), and the clamping block (403) is slidably clamped in the connecting groove (401), and the clamping block (403) is docked with the clamping groove (302) and is clamped and locked in the clamping groove (302).

3. A portable measuring ruler for engineering survey according to claim 2, characterized in that: A spring bar (402) is fixedly arranged on the inner wall of the inner cavity of the connection groove (401), and the other end of the spring bar (402) is fixedly arranged on the outer wall of the clamping block (403).

4. A portable measuring ruler for engineering survey according to claim 3, characterized in that: The inner wall of the connecting groove (401) is provided with a sliding groove (404), and the inner wall of the sliding groove (404) is movably engaged with a sliding block (405), and the outer wall of the sliding block (405) is fixedly mounted on the outer wall of the clamping block (403).

5. A portable measuring ruler for engineering survey according to claim 4, characterized in that: The bottom of the fixing block (3) is provided with a socket (301), and the plug block (4) is butted against the socket (301).

6. A portable measuring ruler for engineering survey according to claim 5, characterized in that: The rear wall of the measuring instrument body (1) is provided with an observation eyepiece (102).

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