Measuring unit structure

Abstract

The utility model relates to the field of measuring units, in particular to a measuring unit structure which comprises a measuring device body, a fixing plate is arranged on the back side of the measuring device body and fixedly installed on the side wall of a metering box, two sliding rails are fixedly installed on the fixing plate, a clamping groove is formed in the back face of the measuring device body, and the sliding rails are fixedly installed on the clamping groove. The measuring equipment body is slidably mounted on the fixing plate from top to bottom, mounting sleeves are fixedly mounted on the two sides of the bottom of the measuring equipment body, lock columns are slidably mounted in the mounting sleeves, lock holes are formed in the side edges of the sliding rails, and the lock columns are inserted into the lock holes. The locking column is automatically extruded to retract by utilizing the guiding effect of the inclined surface, the locking column does not need to be manually pre-retracted, and when equipment is in place, the locking column is automatically popped out and locked under the effect of the spring, so that the rapid installation and automatic positioning of the measuring unit are realized, and the operation and maintenance efficiency in a narrow space of the metering box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement unit, concretely is a kind of measurement unit structure. BACKGROUND

[0002] Measurement unit is the key component in power system, its main function is to collect and monitor the electrical parameters such as voltage, current, power in circuit in real time, or trigger protection action when detecting abnormal signal, to ensure the stable operation of power system. In order to improve space utilization and adapt to the increasingly complex power grid environment, the structure design inside modern electric power metering box or distribution cabinet tends to be compact, and the arrangement density between each electrical component is higher, which leads to extremely narrow remaining operating space after equipment installation.

[0003] In the prior art, measurement unit is usually fixed on the mounting plate of box body by screw fastening, simple buckle or manual knob. Because the space inside box body is limited and light is blocked due to dense arrangement of equipment, it is difficult for operator to intuitively observe whether the mounting hole at the back of measurement unit and the fixed position on mounting plate are accurately aligned. This leads to that operator often needs to repeatedly adjust equipment position for exploratory alignment during installation process, and positioning efficiency is low. And after equipment alignment, operator must keep equipment position from shifting while freeing hand to operate screwdriver and other fastening tools or manually operate lock buckle. However, in narrow space, the operation stroke of tool is limited, and it is difficult to apply force. This installation method relying on manual visual alignment and manual tool fastening is not only complicated and time-consuming, but also prone to loose or installation failure due to insufficient operating space, which seriously affects the operation and maintenance efficiency of power equipment. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of measurement unit structure to solve the problems in prior art.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A kind of measurement unit structure, including measurement device body, the back side of the measurement device body is provided with fixed plate, fixed plate is fixedly installed on the side wall of metering box, two slide rails are fixedly installed on fixed plate, the back of measurement device body is provided with clamping groove, measurement device body is slidably installed on fixed plate from top to bottom, installation sleeve is fixedly installed on the bottom of measurement device body two sides, lock post is slidably installed in the inside of installation sleeve, lock hole is formed in the side of slide rail, lock post is inserted into lock hole.

[0007] Preferably, the slide rail is set to T shape, and the top of the slide rail is set to a pointed end with an inclined surface.

[0008] Preferably, the inside of the measuring equipment body is connected with an input spring, the input spring is close to the side wall of the lock post, the bottom of the lock hole of the slide rail is connected with an output spring.

[0009] Preferably, the inside of the mounting sleeve is slidingly connected with a button, the inner end of the button is fixedly connected with a sliding plate, the end of the sliding plate is inserted into the lock post; the sliding plate is provided with a first inclined groove, the lock post is provided with a second inclined groove arranged in X shape with the first inclined groove, a pin post is inserted into the first inclined groove, and the end of the pin post passes through the second inclined groove.

[0010] Preferably, the inside of the mounting sleeve is fixedly connected with a limiting block, the two sides of the limiting block are provided with limiting grooves, and the end of the pin post is slidingly inserted into the limiting grooves.

[0011] Preferably, two springs are arranged between the end of the lock post and the button.

[0012] The utility model discloses the beneficial effect of:

[0013] 1. The utility model discloses a T-shaped section slide rail cooperates the top bevel, in the measuring equipment body lower slide process, utilize the guiding effect of bevel and automatically extrude lock post and retract, do not need manual pre-retraction lock post, when the equipment is in place, lock post is automatically popped out and is locked under the action of spring, realizes the quick installation and automatic positioning of measuring unit, improves the operation and maintenance efficiency in the narrow metering box space.

[0014] 2. The utility model discloses a lock post as the intermediate conductor of electrical connection, utilizes the elastic force of mechanical locking to make lock post and input spring and output spring close contact simultaneously, so that the equipment can establish signal transmission loop simultaneously after completing mechanical fixation, does not need additional wiring steps, and utilizes locking stress to guarantee the contact pressure of contact, avoids the contact failure caused by vibration. DRAWINGS

[0015] The utility model will be further described below in combination with the drawings.

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the multi-angle section view schematic diagram of the measuring equipment body of the utility model;

[0018] Figure 3 It is the bottom structure schematic diagram of the measuring equipment body of the utility model;

[0019] Figure 4 It is the lock post partial structure explosion schematic diagram of the utility model;

[0020] Figure 5 It is the partial structure section view schematic of the overall structure of the utility model.

[0021] Reference signs:

[0022] 11, measuring device body; 12, input elastic sheet; 2, fixed plate; 21, sliding rail; 22, output elastic sheet; 3, mounting sleeve; 4, button; 5, limiting block; 51, limiting groove; 6, sliding plate; 61, first inclined groove; 7, pin column; 8, lock column; 81, second inclined groove; 9, spring. DETAILED DESCRIPTION

[0023] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] A measuring unit structure, as shown in Figures 1-5 The back side of the measuring device body 11 is provided with a fixed plate 2, the fixed plate 2 is fixedly installed on the side wall of the metering box, two sliding rails 21 are fixedly installed on the fixed plate 2, the back surface of the measuring device body 11 is provided with clamping grooves matched with the sliding rails 21, and the measuring device body 11 is slidably installed on the fixed plate 2 from top to bottom, so that rapid positioning is realized.

[0025] The bottom of the measuring device body 11 is fixedly provided with a mounting sleeve 3, the mounting sleeve 3 is slidably provided with a lock column 8, a lock hole is formed in the side edge of the sliding rail 21, the lock column 8 is inserted into the lock hole, the lock column 8 can reciprocate in the mounting sleeve 3, the lock hole is formed in the side edge of the sliding rail 21, the lock column 8 is inserted into the lock hole, the vertical degree of freedom of the measuring device body 11 is limited, and thus the measuring device body 11 is locked.

[0026] The sliding rail 21 is in T-shaped structure, the shoulder portions protruding from the two sides of the sliding rail 21 are clamped into the clamping grooves in the back surface of the measuring device body 11, the measuring device body 11 is limited in the horizontal direction, and the measuring device body 11 is prevented from falling off, the top of the sliding rail 21 is provided with a tapered end with an inclined surface, when the measuring device body 11 is installed on the sliding rail 21, the inclined surface of the top of the sliding rail 21 contacts and presses the end of the lock column 8, the lock column 8 is driven to retract inward, so that the measuring device body 11 can be smoothly slid into position, until the lock column 8 is aligned with the lock hole and is popped out to be locked, meanwhile, the inclined surface bears part of the gravity of the measuring device body 11, and the radial stress of the lock column 8 is reduced.

[0027] The inside of the measuring device body 11 is connected with an input spring 12 through a wire, the input spring 12 is close to the side wall of the lock post 8, the bottom of the lock hole of the slide rail 21 is connected with an output spring 22 through a wire, when the lock post 8 is inserted into the lock hole, the lock post 8 is made of conductive material, the side wall thereof keeps contact with the input spring 12, and the end portion thereof is in contact with the output spring 22, so that the lock post 8 is used as an intermediate conductor, the signal transmission path is quickly established while being mechanically locked, and the input spring 12 and the output spring 22 are made of elastic conductive material, manufacturing tolerance can be compensated, and contact compression force can be ensured.

[0028] The inside of the mounting sleeve 3 is slidably connected with the button 4, the inner end of the button 4 is fixedly connected with the sliding plate 6, the end portion of the sliding plate 6 is inserted into the lock post 8, when the button 4 is pressed, the lock post 8 moves outward and is separated from the lock hole, and the measuring device body 11 is conveniently moved upward and taken out; the sliding plate 6 is provided with a first inclined groove 61, the lock post 8 is provided with a second inclined groove 81 which is arranged in an X shape with the first inclined groove 61, the pin post 7 is inserted into the first inclined groove 61, and the end portion of the pin post 7 passes through the second inclined groove 81.

[0029] When the button 4 is pressed, the sliding plate 6 moves inward, the side wall of the first inclined groove 61 extrudes the pin post 7, the pin post 7 moves and extrudes the side wall of the second inclined groove 81, the pushing force of the button 4 is converted into a lateral force through cooperation of the X-shaped inclined grooves, the lock post 8 is driven to move outward and is separated from the lock hole, the locked state is released, and the measuring device body 11 is conveniently moved upward and taken out.

[0030] The inside of the mounting sleeve 3 is fixedly connected with the limiting block 5, the limiting block 5 is provided with limiting grooves 51 on the two sides, the end portion of the pin post 7 is slidably inserted into the limiting grooves 51, the limiting grooves 51 limit the pin post 7 to slide only in the up-down direction, the pin post 7 is prevented from moving horizontally with the sliding plate 6, and it is ensured that when the first inclined groove 61 drives the pin post 7 to move, the pin post 7 can stably push the second inclined groove 81 in the reverse direction, so that the inward movement of the button 4 is converted into the outward movement of the lock post 8.

[0031] Two springs 9 are arranged between the end portion of the lock post 8 and the button 4, in a natural state, the springs 9 are in a compressed state, the elastic force of the springs 9 simultaneously acts on the button 4 and the lock post 8, the button 4 is pushed to drive the sliding plate 6 to reset outward, and the lock post 8 is pushed to move in the direction of the lock hole, so that the lock post 8 and the sliding plate 6 are away from each other, and after the external force is removed, the lock post 8 can automatically pop out to the locked state.

[0032] The working principle of the measuring unit structure is as follows:

[0033] In the installation, first of all, the card slot of the back of the measuring equipment body 11 is aligned with the slide rail 21 on the fixed plate 2, then the measuring equipment body 11 is pushed to slide along the slide rail 21 from top to bottom, in the process of sliding down, the inclined tip of the top of the slide rail 21 first contacts the end of the lock post 8, with the application of the downward pressure, the inclined surface generates a lateral extrusion force on the lock post 8, overcoming the resistance of the spring 9, the lock post 8 is retracted into the inside of the mounting sleeve 3, when the measuring equipment body 11 slides to the predetermined working position, the lock post 8 is completely aligned with the lock hole on the slide rail 21, at this time, under the action of the restoring force of the spring 9, the lock post 8 is popped out and inserted into the lock hole, completing the limitation of the vertical freedom degree of the measuring equipment body 11, realizing the mechanical locking.

[0034] The input spring 12 inside the measuring equipment body 11 is always close to the side wall of the lock post 8 made of conductive material, when the lock post 8 is popped out and inserted into the lock hole, the end thereof directly abuts and presses the output spring 22 at the bottom of the lock hole, at this time, the signal path is transmitted from the input spring 12 to the output spring 22 through the lock post 8, quickly establishing the signal transmission path.

[0035] When the equipment needs to be maintained or replaced, the operator presses the button 4 outside the mounting sleeve 3, the button 4 moves inward and drives the sliding plate 6 to displace inward, the first inclined groove 61 on the sliding plate 6 extrudes the pin post 7 in the process of moving, through the X-shaped cooperation of the first inclined groove 61 and the second inclined groove 81 and the transmission of the pin post 7, the inward pushing force of the button 4 is converted into the pulling force driving the lock post 8 to move in the direction of separating from the lock hole.

[0036] With the outward movement of the lock post 8 and overcoming the elastic force of the spring 9, the lock post 8 is completely separated from the lock hole, releasing the locking of the measuring equipment body 11, at the same time, the end of the lock post 8 is separated from the output spring 22, cutting off the signal transmission path, at this time, the operator can push the measuring equipment body 11 upward and take it off along the slide rail 21, when the button 4 is released, the spring 9 pushes the button 4 and the lock post 8 to reset, preparing for the next installation.

[0037] 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, the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application can also have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A metrology unit structure, characterized by, Including the measuring equipment body (11), the back side of the measuring equipment body (11) is provided with a fixed plate (2), the fixed plate (2) is fixedly installed on the side wall of the metering box, two slide rails (21) are fixedly installed on the fixed plate (2), the measuring equipment body (11) is slidably installed on the fixed plate (2) from top to bottom, installation sleeves (3) are fixedly installed on the bottom of the measuring equipment body (11), lock columns (8) are slidably installed in the installation sleeves (3), lock holes are formed in the side edges of the slide rails (21), and the lock columns (8) are inserted into the lock holes.

2. A metrology unit structure according to claim 1, wherein, The slide rail (21) is arranged in a T shape, and the top of the slide rail (21) is provided with a pointed end with an inclined surface.

3. A metrology unit structure according to claim 1, wherein, The measuring equipment body (11) is connected with an input spring (12) inside, the input spring (12) is tightly attached to the side wall of the lock column (8), and the bottom of the lock hole of the slide rail (21) is connected with an output spring (22).

4. A metrology unit structure according to claim 1, wherein, The inside of the installation sleeve (3) is slidably inserted with a button (4), the inner end of the button (4) is fixedly installed with a sliding plate (6), and the end of the sliding plate (6) is inserted into the lock column (8); a first inclined groove (61) is formed in the sliding plate (6), a second inclined groove (81) is formed in the lock column (8) and arranged in an X shape with the first inclined groove (61), a pin column (7) is inserted into the first inclined groove (61), and the end of the pin column (7) passes through the second inclined groove (81).

5. A metrology unit structure according to claim 4, wherein, The inside of the installation sleeve (3) is fixedly installed with a limiting block (5), limiting grooves (51) are formed in the two sides of the limiting block (5), and the end of the pin column (7) is slidably inserted into the limiting grooves (51).

6. A metrology unit structure according to claim 4, wherein, Two springs (9) are arranged between the end of the lock column (8) and the button (4).

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