CN213363722U

CN213363722U - Digital display ultrasonic thickness meter

Info

Publication number: CN213363722U
Application number: CN202022413655.5U
Authority: CN
Inventors: 周全忠; 柳继明; 唐跃中
Original assignee: Hunan Zhonghao Construction Project Management Co ltd
Current assignee: Hunan Zhonghao Construction Project Management Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-04
Anticipated expiration: 2030-10-26

Abstract

The utility model belongs to the technical field of measuring equipment and specifically relates to a digital display ultrasonic thickness gauge is related to, including organism, the connecting wire of grafting on the organism, the probe of being connected with the connecting wire other end, one side of organism can be dismantled and is connected with fixed box, the inserted hole has been seted up to fixed box upper end, and the couplant packing tube inserts from the inserted hole in the fixed box, be provided with extrusion device in the fixed box, the liquid groove of scribbling has been seted up to fixed box lower extreme. This application has the effect of being convenient for scribble the couplant on the probe.

Description

Digital display ultrasonic thickness meter

Technical Field

The application relates to the field of measuring equipment, in particular to a digital display ultrasonic thickness gauge.

Background

The digital display ultrasonic thickness gauge is an instrument which adopts the latest high-performance and low-power consumption microprocessor technology, can measure the thickness of metal and other various materials based on the ultrasonic measurement principle, and can measure the sound velocity of the materials.

The ultrasonic thickness gauge is used for measuring the thickness according to the ultrasonic pulse reflection principle, when an ultrasonic pulse transmitted by a probe reaches a material interface through a measured object, the pulse is reflected back to the probe, and the thickness of the measured material is determined by accurately measuring the propagation time of the ultrasonic wave in the material. The surface roughness of the workpiece is larger during the existing detection, so that the coupling effect of the probe and the contact surface is poor, the reflection echo is low, and even the echo signal cannot be received; and the roughness of the surface of the workpiece is too large, so that the coupling effect of the probe and the contact surface is poor, the reflection echo is low, and even the echo signal cannot be received, and the surface to be detected needs to be treated by a couplant or abrasive paper, so that the probe and the detected object can achieve a good coupling effect through the couplant.

In view of the above-mentioned related technologies, the inventor believes that when an operator performs a test on a construction site, the operator needs to hold a couplant package for extrusion with one hand, hold a thickness gauge with the other hand, and hold a probe to adhere to the couplant, which is inconvenient for one person to operate.

SUMMERY OF THE UTILITY MODEL

In order to facilitate smearing the couplant on the probe, this application provides digital display ultrasonic thickness gauge.

The application provides a digital display ultrasonic thickness gauge adopts following technical scheme:

the digital display ultrasonic thickness gauge comprises a machine body, a connecting wire inserted on the machine body and a probe connected with the other end of the connecting wire, wherein one side of the machine body is detachably connected with a fixed box, the upper end of the fixed box is provided with an insertion hole, a coupling agent packing tube is inserted into the fixed box from the insertion hole, an extruding device is arranged in the fixed box, and the lower end of the fixed box is provided with a liquid coating groove.

Through adopting above-mentioned technical scheme, when measuring, need scribble the couplant butt on the testee with the probe, the measured data of probe passes through the connecting wire and conducts for the organism demonstration, and the workman holds the organism, connects well fixed box after, inserts fixed box with the packing tube of couplant from the inserted hole, arranges the probe in scribble the cistern, and through extrusion device, the couplant flows out from scribbling the cistern and evenly adheres to on the probe, and it is convenient to scribble the process, and the operation can be accomplished to workman alone.

Optionally, extrusion device includes the extrusion pump, the extrusion pump joint is in the fixed box, be provided with the extrusion groove on the extrusion pump, the extrusion groove in under the inserted hole, the extrusion pump lower extreme is provided with the extrusion groove, and the couplant baling pipe inserts from the inserted hole behind the extrusion groove, the couplant is followed the extrusion groove flows out, the extrusion pump lower extreme is provided with the push rod as control switch, the activity of fixed box lower extreme coating liquid groove confession push rod.

By adopting the technical scheme, the couplant pipe is inserted into the extrusion groove from the insertion hole of the fixed box, the outflow of the reagent in the pipe is controlled by the air pressure difference between the inside and the outside of the extrusion pump, the extrusion pump can be opened by pushing the push rod in the liquid coating groove, the couplant flows out to the liquid coating groove from the lower end of the extrusion pump immediately, the coating process of the probe is completed, the step of manual extrusion is omitted, and the operation is convenient.

Optionally, the squeeze pump includes a suction valve, a vacuum layer is disposed at a lower end of the suction valve, the vacuum layer is made of a flexible material, an extrusion valve is disposed at a lower end of the vacuum layer, a compression member is disposed at a lower end of the extrusion valve, the compression member and the push rod control a compression state of the vacuum layer, and the suction valve and the extrusion valve are one-way valves and are communicated with each other after a valve port is opened.

Through adopting above-mentioned technical scheme, promote the push rod, the compression makes the vacuum layer compressed, and the atmospheric pressure of suction valve is greater than the intraductal atmospheric pressure of couplant, and intraductal reagent is extruded to the suction valve in, extrudes the valve from the vacuum layer inflow through inhaling the raft, on the valve port outflow of extruding the valve to the probe, realizes the outflow of couplant through pressure differential, need not the energy, and is green energy-conserving.

Optionally, the compression piece comprises a compression ring fixed at the lower end of the extrusion valve, the upper surface of the compression ring abuts against the lower end face of the vacuum layer, the lower end of the compression ring is fixedly connected with a bump, the push rod is hinged at the lower end of the extrusion valve, the upper end of the push rod is fixedly connected with an abutting block, the abutting block is close to one side of the side wall of the coating tank and abuts against the bump, and the push rod pushes along the direction of the abutting block.

Through adopting above-mentioned technical scheme, promote the push rod, the push rod drives the butt piece and removes promotion lug, moves on the lug, and the compression ring shifts up and compresses the vacuum layer, makes the atmospheric pressure increase on vacuum layer realize inside and outside pressure difference, turns into the pressure that extrudes reagent with the driving force and makes reagent flow, only need promote the push rod can, according to promoting degree control reagent flow, be convenient for according to demand control extrusion capacity.

Optionally, an annular snap ring is arranged at the lower end of the push rod and used for clamping the probe.

By adopting the technical scheme, the probe is clamped on the push rod, the push rod is pushed to flow the coupling agent, the probe does not need to be held by hands when the push rod is pushed, and the operation is more convenient.

Optionally, a groove wall of the extrusion groove is provided with threads for tightly connecting the couplant pipe.

Through adopting above-mentioned technical scheme, with couplant test tube screw in extrusion groove, make extrusion groove and couplant be connected relatively sealed, guarantee subsequent pressure difference, make and extrude the effect better.

Optionally, the fixed box is formed by detachably connecting two box covers.

Through adopting above-mentioned technical scheme, when overhauing or clearing up, with the lid unpack apart can, easy operation, easy maintenance.

Optionally, a clamping block is fixedly connected in the fixing box, a plurality of clamping grooves are formed in the clamping block, and the extrusion pump is clamped in the clamping grooves.

Through adopting above-mentioned technical scheme, when needing to wash, can take out extrusion pump is whole to be washed, and it is more convenient to clear up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the couplant is used for measurement, the couplant is required to be coated on the probe and abutted against a measured object, the measurement data of the probe is transmitted to the machine body through a connecting wire for display, a worker holds the machine body by hand, after the fixing box is connected, a packaging tube of the couplant is inserted into the fixing box from an insertion opening, the probe is placed in the liquid coating groove, the couplant flows out from the liquid coating groove and is uniformly attached to the probe through the extrusion device, the coating process is convenient, and the operation can be finished by one worker;

2. promote the push rod, the compression piece makes the vacuum layer compressed, and the atmospheric pressure of suction valve is greater than the intraductal atmospheric pressure of couplant, and intraductal reagent is extruded to the suction valve in, extrudees the valve from the vacuum layer inflow through inhaling the raft, flows out to the probe from the valve port of extruding the valve on, realizes the outflow of couplant through pressure differential, need not the energy, green energy-conservation.

Drawings

FIG. 1 is a schematic view of the whole structure of the digital display ultrasonic thickness gauge.

Fig. 2 is a partial structural view of the set cassette of fig. 1.

Fig. 3 is an exploded schematic view of the extrusion apparatus of fig. 2.

Fig. 4 is a sectional view of the fixing box of fig. 2.

Description of reference numerals: 1. a body; 2. a connecting wire; 3. a probe; 4. a fixing box; 5. an insertion opening; 6. an extrusion device; 61. an extrusion pump; 611. a suction valve; 612. a vacuum layer; 613. an extrusion valve; 62. extruding a groove; 63. a push rod; 631. a butting block; 632. an annular snap ring; 64. a compression member; 641. a compression ring; 642. a bump; 7. a coating solution tank; 8. a box cover; 9. a clamping block; 91. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses digital display ultrasonic thickness gauge, refer to fig. 1 and 2, including organism 1, be connected with probe 3 through connecting wire 2 on the organism 1, through the thickness of probe 3 butt measured object on the testee. One side of the machine body 1 is connected with a fixed box 4 through a screw, the upper end of the fixed box 4 is provided with an insertion opening 5, the opening size of the insertion opening 5 is consistent with the width of the couplant packaging tube, the lower end of the opening of the insertion opening 5 of the fixed box 4 is provided with an extrusion device 6, and a liquid coating groove 7 is arranged below the extrusion device 6 of the fixed box 4; the open end of the coupling agent packaging tube is placed into the insertion opening 5, and the coupling agent can flow out from the liquid coating groove 7.

Referring to fig. 2, the fixing box 4 includes two box covers 8, and the two box covers 8 are fixed by bolts; the fixing box 4 is internally bonded with a clamping block 9, the clamping block 9 is provided with a plurality of clamping grooves 91, the shapes of the clamping grooves 91 are consistent with the shape of the shell of the extrusion pump 61, and the extrusion pump 61 is tightly clamped in the clamping grooves 91.

Referring to fig. 2 and 3, an annular snap ring 632 is disposed at the lower end of the push rod 63, the inner width of the annular snap ring 632 is the same as the width of the probe 3, the probe 3 is tightly clamped in the annular snap ring 632, and the clamped probe 3 is located right below the valve port of the extrusion valve 613.

Referring to fig. 2 and 3, the extrusion device 6 comprises an extrusion pump 61, the extrusion pump 61 comprises a suction valve 611, a vacuum layer 612 and an extrusion valve 613, the upper end of the suction valve 611 is provided with an extrusion groove 62, the extrusion groove 62 faces the lower part of the insertion opening 5, the side wall of the extrusion groove 62 is provided with a thread matched with the nozzle of the packing tube, the packing tube is screwed into the extrusion groove 62, and the suction valve 611 is sealed relatively; the lower end of the suction valve 611 is communicated with a vacuum layer 612, the shell of the vacuum layer 612 is made of flexible silica gel, the lower end of the vacuum layer 612 is communicated with an extrusion valve 613, the suction valve 611, the vacuum layer 612 and the extrusion valve 613 are connected in a sealing manner through hot melt adhesive to ensure certain vacuum inside, and the valve ports of the suction valve 611 and the extrusion valve 613 are flat to ensure one-way circulation. The lower end of the extrusion valve 613 is provided with a compression member 64 to control the compression state of the vacuum layer 612.

Referring to fig. 2 and 4, the compression element 64 includes a compression ring 641 surrounding the outer wall of the extrusion valve 613, the upper wall of the compression ring 641 abuts against the lower surface of the vacuum layer 612, and a bump 642 is bonded to the lower end of the compression ring 641; the push rod 63 is a U-shaped plastic rod, the push rod 63 has certain elastic deformation capacity, the push rod 63 is hinged in the fixed box 4 and rotates along a certain radian, and the push rod 63 is bonded with a butting block 631; the abutting block 631 abuts against one side of the bump 642 away from the vertical side wall of the coating liquid tank 7, when the push rod 63 rotates, the abutting block 631 drives the bump 642 to move obliquely upward, so that the fixing ring also moves upward to compress the vacuum layer 612, and the push rod 63 can automatically reset after the push rod 63 is loosened.

The implementation principle of the digital display ultrasonic thickness gauge of the embodiment of the application is as follows: the fixing box 4 is connected to one side of the machine body 1 through a screw, the open end of the couplant test tube is inserted into the fixing box 4 from the insertion port 5, and finally screwed into the extrusion groove 62, a worker holds the machine body 1 with one hand, the probe 3 is clamped on the clamping ring at the lower end of the push rod 63 with one hand, the push rod 63 is pushed to drive the abutting block 631 to move the bump 642 obliquely above, the compression ring 641 moves upwards to compress the vacuum layer 612, the air pressure of the suction valve 611 is increased to suck out the reagent, the reagent flows into the extrusion valve 613, the couplant in the extrusion valve 613 is extruded from the valve port to fall onto the probe 3 through the air pressure, the pushing distance of the push rod 63 is controlled according to the reagent demand, and the probe 3 is taken.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Digital display ultrasonic thickness gauge, including organism (1), connecting wire (2) of grafting on organism (1), probe (3) of being connected with the connecting wire (2) other end, its characterized in that: one side of the machine body (1) is detachably connected with a fixed box (4), an insertion opening (5) is formed in the upper end of the fixed box (4), a couplant packing tube is inserted into the fixed box (4) from the insertion opening (5), an extrusion device (6) is arranged in the fixed box (4), and a liquid coating groove (7) is formed in the lower end of the fixed box (4).

2. The digital display ultrasonic thickness gauge according to claim 1, characterized in that: extrusion device (6) are including extrusion pump (61), extrusion pump (61) joint is in fixed box (4), be provided with extrusion groove (62) on extrusion pump (61), extrusion groove (62) in under inserted hole (5), extrusion pump (61) lower extreme is provided with extrusion groove (62), and couplant packing tube inserts from inserted hole (5) behind extrusion groove (62), the couplant is followed extrusion groove (62) flow out, extrusion pump (61) lower extreme is provided with push rod (63) as control switch, coating liquid groove (7) of fixed box (4) lower extreme supply push rod (63) to move about.

3. The digital display ultrasonic thickness gauge according to claim 2, characterized in that: the extrusion pump (61) comprises a suction valve (611), a vacuum layer (612) is arranged at the lower end of the suction valve (611), the vacuum layer (612) is made of elastic materials, an extrusion valve (613) is arranged at the lower end of the vacuum layer (612), a compression piece (64) is arranged at the lower end of the extrusion valve (613), the compression piece (64) and the push rod (63) control the compression state of the vacuum layer (612), and the suction valve (611) and the extrusion valve (613) are one-way valves and are communicated with each other after the valve ports are opened.

4. The digital display ultrasonic thickness gauge according to claim 3, characterized in that: the compression piece (64) comprises a compression ring (641) fixed at the lower end of the extrusion valve (613), the upper surface of the compression ring (641) is abutted to the lower end surface of the vacuum layer (612), a bump (642) is fixedly connected to the lower end of the compression ring (641), the push rod (63) is hinged to the lower end of the extrusion valve (613), a butt block (631) is fixedly connected to the upper end of the push rod (63) along a certain radian, and one side, close to the side wall of the coating liquid groove (7), of the butt block (631) is abutted to the bump (642).

5. The digital display ultrasonic thickness gauge according to claim 4, characterized in that: the lower end of the push rod (63) is provided with an annular snap ring (632) for clamping the probe (3).

6. The digital display ultrasonic thickness gauge according to claim 2, characterized in that: and threads are arranged on the wall of the extrusion groove (62) for tightly connecting the couplant pipe.

7. The digital display ultrasonic thickness gauge according to claim 1, characterized in that: the fixed box (4) is formed by detachably connecting two box covers (8).

8. The digital display ultrasonic thickness gauge according to claim 2, characterized in that: fixedly connected with joint piece (9) in fixed box (4), a plurality of joint grooves (91) have been seted up on joint piece (9), extrusion pump (61) joint is in joint groove (91).