CN213455384U

CN213455384U - Ultrasonic thickness gauge

Info

Publication number: CN213455384U
Application number: CN202022639567.7U
Authority: CN
Inventors: 何鹏; 程围峰; 张成龙
Original assignee: Zhejiang Bonnie Construction Testing Co ltd
Current assignee: Zhejiang Bonnie Construction Testing Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-06-15
Anticipated expiration: 2030-11-14

Abstract

The application relates to the field of thickness detection, in particular to an ultrasonic thickness gauge, which comprises a host and a probe connected to the host through an electric wire, wherein an extension pipe which is the same as the host in length direction is arranged on one side wall of the host, one end of the extension pipe, which is close to the probe, is hinged to the host through a rotating shaft, and a first locking mechanism for locking the position of the extension pipe when the extension pipe is rotated to be parallel to the host is arranged on the host; the rotating rod is connected with the coaxial line of the extension tube in a rotating mode on the end, far away from the rotating shaft, of the extension tube, and a connecting mechanism used for connecting the probe and capable of adjusting the orientation of the probe is arranged on the rotating rod. According to the scheme, an operator can conveniently carry out thickness detection on a workpiece with a small opening, the flexibility of the probe in a detection project is improved, and the operator can conveniently read the corresponding thickness value on the host.

Description

Ultrasonic thickness gauge

Technical Field

The application relates to the field of thickness detection, in particular to an ultrasonic thickness gauge.

Background

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.

When the existing ultrasonic thickness gauge is used, an operator often holds the main machine with one hand and holds the probe with the other hand to detect a workpiece, but when the workpiece with a small opening is detected, the hand of the operator is difficult to extend into the workpiece, and the detection operation of the operator is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the thickness detection of an operator on a workpiece with a small opening, the ultrasonic thickness gauge is provided.

The application provides a pair of ultrasonic thickness gauge adopts following technical scheme:

an ultrasonic thickness gauge comprises a host machine and a probe connected to the host machine through an electric wire, wherein an extension pipe in the same length direction as the host machine is arranged on one side wall of the host machine, one end, close to the probe, of the extension pipe is hinged to the host machine through a rotating shaft, and a first locking mechanism for locking the position of the extension pipe when the extension pipe is rotated to be parallel to the host machine is arranged on the host machine; the rotating rod is connected with the coaxial line of the extension tube in a rotating mode on the end, far away from the rotating shaft, of the extension tube, and a connecting mechanism used for connecting the probe and capable of adjusting the orientation of the probe is arranged on the rotating rod.

Through adopting above-mentioned technical scheme, when operator's hand can't stretch into the work piece with the probe in, the operator can rotate extension pipe and dwang to through coupling mechanism with the probe connection on the dwang, reuse first locking mechanical system comes the position of locking extension pipe immediately, the operator alright hold the host computer and insert the probe and detect in the work piece. In addition, the operator can adjust the orientation of the probe by means of the rotating rod and the connecting mechanism, so that the probe can flexibly detect the thicknesses of different positions of the workpiece, and the operator can conveniently observe the thickness value displayed on the host. According to the scheme, an operator can conveniently carry out thickness detection on a workpiece with a small opening, the flexibility of the probe in a detection project is improved, and the operator can conveniently read the corresponding thickness value on the host.

Preferably, the connecting mechanism comprises an inserting rod which is arranged on the probe and is coaxial with the probe, and a ball which is fixedly connected to one end of the inserting rod far away from the probe, wherein the diameter of the ball is larger than that of the inserting rod; the connecting mechanism further comprises a slot which is formed in the rotating rod and used for inserting the round ball and the inserting rod, a ball groove which is formed in the bottom of the slot and attached to the surface of the round ball, a rotating groove which is formed in the rotating rod and used for rotating the inserting rod, and a bolt which is connected to the rotating rod in a threaded mode and used for tightly abutting against the round ball.

Through adopting above-mentioned technical scheme, the operator is direct inserts ball and inserted bar along the slot, and after the surface of ball and the cell wall laminating of ball groove, can screw up the bolt and be connected in order to accomplish probe and rotating rod. When the orientation of the probe needs to be adjusted, an operator unscrews the bolt and adjusts the position of the inserted rod in the rotating groove. The connecting mechanism greatly facilitates the adjustment of the orientation of the probe by an operator, and improves the flexibility of the probe in the use process.

Preferably, the first locking mechanism comprises a metal ring sleeved on the outer side wall of the extension pipe and a magnet block arranged on the main machine and used for being magnetically attracted with the metal ring.

Through adopting above-mentioned technical scheme, when extension pipe revolved to being parallel with the host computer, the becket on the extension pipe will be held by the magnet piece to realize the locking of extension pipe position. If the lengthening pipe needs to be rotated again, the operator needs to slightly force the metal ring on the lengthening pipe to break off the magnet block. First locking mechanical system has effectively improved the convenience of operation, has made things convenient for the operator to detect the operation.

Preferably, the lengthening pipe comprises an outer pipe and an inner pipe, one end of the outer pipe is hinged to the rotating shaft, the inner pipe is embedded in the outer pipe in a sliding mode, and the rotating rod is rotatably connected to one end, far away from the outer pipe, of the inner pipe; and a second locking mechanism for locking the position of the inner pipe is arranged on the outer pipe.

By adopting the technical scheme, the operator can slide the inner tube to adjust the whole length of the lengthening tube, so that the measuring depth of the probe can be deeper, and the use flexibility of the device is improved. After the inner tube slides to a proper position, the operator can lock the inner tube on the outer tube through the second locking mechanism.

Preferably, the second locking mechanism comprises a mounting groove formed in the outer side wall of the inner pipe and a plurality of clamping grooves formed in the outer pipe and communicated with the inner side wall and the outer side wall of the outer pipe, and the mounting groove is opposite to the clamping grooves one by one in the sliding process of the inner pipe; the second locking mechanism further comprises a clamping block which is connected in the mounting groove in a sliding mode, and a spring which is arranged in the mounting groove and used for driving the clamping block to be inserted into the clamping groove.

Through adopting above-mentioned technical scheme, the inner tube is at the slip in-process, and the mounting groove on the inner tube will keep just right with a plurality of draw-in grooves one by one, after the inner tube slides to suitable position, the operator slides the inner tube slightly again and makes the mounting groove aim at nearest draw-in groove. When the mounting groove is opposite to the clamping groove, the spring drives the clamping block to automatically insert into the clamping groove, and the inner pipe is successfully positioned on the outer pipe. If the inner tube is required to slide again, an operator uses fingers to drive the clamping block to compress the spring and retract the spring into the mounting groove. The second locking mechanism is simple in structure, and operation of an operator is greatly facilitated.

Preferably, the inner side wall of the outer pipe is provided with a limiting groove the same as the outer pipe in the length direction, and the inner pipe is provided with a limiting block used for inserting into the limiting groove to limit the dislocation of the mounting groove and the clamping groove.

Through adopting above-mentioned technical scheme, the setting of stopper and spacing groove has effectively avoided the inner tube at the intraductal rotatory condition of outer tube, and the draw-in groove can be aimed at more accurately to the mounting groove, and the position locking of inner tube will be more smooth.

Preferably, the outer side walls of the inner tube and the outer tube are respectively provided with an elastic buckle for positioning the electric wire.

Through adopting above-mentioned technical scheme, the elastic buckle can carry out the position restraint to the electric wire on the probe, has avoided the condition that the electric wire rocked by a wide margin, provides convenience for the operator follow-up in inserting the work piece with the probe.

Preferably, the host is provided with an accommodating groove for accommodating the lengthening pipe, the rotating rod and the connecting mechanism.

Through adopting above-mentioned technical scheme, accomodate the groove and can accomodate extension pipe, dwang and coupling mechanism, not only can play better guard action to them, also be convenient for simultaneously the operator to the transportation of ultrasonic thickness gauge with grab and hold.

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

1. the arrangement of the lengthening pipe, the rotating shaft, the first locking mechanism, the rotating rod and the connecting mechanism greatly facilitates the thickness detection of the workpiece with a small opening by an operator;

2. the arrangement of the outer tube, the inner tube and the second locking mechanism realizes the adjustment of the measuring depth of the probe and improves the flexibility of the device;

3. the arrangement of the limiting groove and the limiting block can ensure that the position of the inner pipe is locked more smoothly;

4. due to the arrangement of the elastic buckle, the situation that the electric wire greatly shakes is avoided;

5. the arrangement of the accommodating groove can protect the lengthening pipe, the rotating rod and the connecting mechanism, and is convenient for operators to transport and hold the ultrasonic thickness gauge.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present application when using an elongated tube;

FIG. 2 is a schematic structural view of the elongated tube in the embodiment of the present application;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a host; 2. an electric wire; 3. a probe; 4. a receiving groove; 5. a rotating shaft; 6. lengthening a pipe; 61. an outer tube; 62. an inner tube; 7. rotating the rod; 8. inserting a rod; 9. a ball; 10. a slot; 11. a ball groove; 12. a rotating groove; 13. a bolt; 14. a metal ring; 15. a magnet block; 16. mounting grooves; 17. a card slot; 18. a clamping block; 19. a spring; 20. a limiting groove; 21. a limiting block; 22. an elastic buckle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, an ultrasonic thickness gauge includes a main body 1, and a probe 3 connected to the main body 1 through a wire 2. When the ultrasonic thickness gauge is used for detecting, an operator can measure the thickness of a workpiece by tightly attaching the probe 3 to the workpiece.

Referring to fig. 2, a side wall of the main body 1 is provided with a receiving groove 4 having the same length direction as the main body 1, and two ends of the receiving groove 4 are respectively communicated with two end surfaces of the main body 1. A rotating shaft 5 is rotatably connected between the two opposite inner side walls of the accommodating groove 4, the length direction of the rotating shaft 5 is the same as the thickness direction of the host 1, and the rotating shaft 5 is positioned at one end of the accommodating groove 4 close to the probe 3. The fixed cover is equipped with a transversal annular extension pipe 6 of personally submitting on pivot 5, and extension pipe 6 is kept away from pivot 5 and is served and be equipped with a transversal circular shape dwang 7 of personally submitting, and the axis of dwang 7 and the axis coincidence of extension pipe 6, and the dwang 7 can take place rotatoryly by extension pipe 6 relatively, and the frictional force between dwang 7 lateral wall and the extension pipe 6 is enough to let dwang 7 keep static. A coaxial inserting rod 8 is fixedly connected to the probe 3, a round ball 9 is fixedly connected to one end, far away from the probe 3, of the inserting rod 8, and the diameter of the round ball 9 is larger than that of the inserting rod 8. One end of the rotating rod 7, which is far away from the rotating shaft 5, extends out of the lengthening pipe 6 and is provided with a slot 10 into which an inserting rod 8 and a round ball 9 are inserted, and the length direction of the slot 10 is the same as that of the rotating rod 7. The bottom of the slot 10 is provided with a ball groove 11 for fitting the surface of the ball 9, the rotating rod 7 is further provided with a rotating groove 12 for communicating the slot 10, the ball groove 11 and the side wall of the rotating rod 7, and the inserted rod 8 can rotate in the rotating groove 12. The rotating rod 7 is further in threaded connection with a bolt 13 for tightly abutting against the side wall of the round ball 9. The inserted bar 8, the ball 9, the slot 10, the ball groove 11, the rotating groove 12 and the bolt 13 form a connecting mechanism which is used for connecting the probe 3 and can adjust the orientation of the probe 3. When the opening of the workpiece to be detected is small, an operator can screw out the lengthening pipe 6 in the accommodating groove 4 and make the rotating rod 7 penetrate out of the front end of the host 1, then the inserting rod 8 and the ball 9 on the probe 3 are inserted into the slot 10, after the side wall of the ball 9 is attached to the inner side wall of the ball groove 11, the operator screws the bolt 13 to tightly abut against the ball 9, the probe 3 is successfully installed on the rotating rod 7, and the operator can hold the host 1 by hand to stretch the probe 3 into the workpiece to detect the thickness. In addition, an operator can rotate the rotating rod 7 to adjust the orientation of the probe 3 and can adjust the position of the inserting rod 8 in the rotating groove 12 to adjust the orientation of the probe 3, so that the detection of the probe 3 is more flexible, and the operator can observe the thickness value on the host 1 conveniently. After the thickness of the workpiece is detected, the operator unscrews the bolt 13 to take out the probe 3, and then screws the lengthening pipe 6 and the rotating rod 7 into the accommodating groove 4.

The outer side wall of the lengthening pipe 6 is fixedly sleeved with an iron metal ring 14, the bottom of the accommodating groove 4 is provided with two magnet blocks 15 for adsorbing the metal ring 14, and the two magnet blocks 15 are respectively positioned on two sides of the rotating shaft 5. Wherein the metal ring 14 and the magnet block 15 constitute a first locking mechanism. When the elongated tube 6 is received in the receiving groove 4, one of the magnet blocks 15 will adsorb the metal ring 14, and the elongated tube 6 and the rotating rod 7 will be locked in the receiving groove 4; when the extension tube 6 is opened, the other magnet 15 will attract the metal ring 14, and the extension tube 6 and the rotating rod 7 can be kept in a parallel state with the main body 1. If the lengthening tube 6 and the rotating rod 7 are rotated again, the operator needs to slightly break the metal ring 14 and the corresponding magnet 15.

Referring to fig. 2 and 3, the elongated tube 6 includes an outer tube 61 having one end fixedly secured to the shaft 5, and an inner tube 62 slidably inserted into the outer tube 61 and coaxial with the outer tube 61, and the rotating lever 7 is rotatably connected to an end of the inner tube 62 away from the outer tube 61. The inner tube 62 has been seted up mounting groove 16 on being close to the lateral wall of 5 one ends of pivot, has seted up the draw-in groove 17 of the interior lateral wall of a plurality of intercommunication outer tubes 61 on the outer tube 61, and a plurality of draw-in grooves 17 are along the equidistant distribution of length direction of outer tube 61, and mounting groove 16 will keep just right with a plurality of draw-in grooves 17 one by one at the in-process that slides of inner tube 62. A clamping block 18 inserted into the clamping groove 17 is embedded in the mounting groove 16 in a sliding mode, a spring 19 is fixedly connected between the clamping block 18 and the bottom of the mounting groove 16, when the spring 19 is in a natural state, the spring 19 partially pushes the clamping block 18 into the clamping groove 17, and when the spring 19 is in a contraction state, the clamping block 18 is located in the mounting groove 16 and separated from the clamping groove 17. The mounting groove 16, the slot 17, the latch 18 and the spring 19 form a second locking mechanism. The operator can slide the position of the inner tube 62 to adjust the overall length of the elongated tube 6, and the detection depth of the probe 3 is changed accordingly, thereby improving the flexibility of the probe 3 in use. When the inner tube 62 slides relative to the outer tube 61, the mounting groove 16 on the inner tube 62 is aligned with the plurality of slots 17 on the outer tube 61 one by one, after the inner tube 62 slides to a proper position, an operator slightly slides the inner tube 62 and aligns the mounting groove 16 with the nearest slot 17, the fixture block 18 is inserted into the corresponding slot 17 under the action of the spring 19, the inner tube 62 is successfully locked on the outer tube 61, and the overall length of the extension tube 6 can be kept stable. When the position of the inner tube 62 needs to be adjusted again, the operator uses fingers to make the fixture block 18 compress the spring 19 and retract the fixture block into the installation groove 16.

Referring to fig. 3, in order to limit the inner tube 62 to rotate in the outer tube 61, so that the mounting groove 16 on the inner tube 62 can smoothly face the clamping groove 17, the inner side wall of the outer tube 61 is provided with a limiting groove 20, the length direction of the limiting groove 20 is the same as that of the outer tube 61, the outer side wall of the inner tube 62 is fixedly connected with a limiting block 21, and the limiting block 21 is used for being inserted into the limiting groove 20 to limit the rotation of the inner tube 62, thereby providing convenience for an operator to lock the position of the inner tube 62.

Referring to fig. 2, in order to avoid the situation that the electric wire 2 greatly shakes, and facilitate the thickness detection of the workpiece by an operator, the outer side walls of the inner tube 62 and the outer tube 61 are both provided with plastic elastic buckles 22 for positioning the electric wire 2.

The implementation principle of the embodiment is as follows: when the opening of the workpiece to be detected is small, an operator can screw out the lengthening pipe 6 in the accommodating groove 4 and make the rotating rod 7 penetrate out of the front end of the host 1, then the inserting rod 8 and the ball 9 on the probe 3 are inserted into the slot 10, after the side wall of the ball 9 is attached to the inner side wall of the ball groove 11, the operator screws the bolt 13 to tightly abut against the ball 9, the probe 3 is successfully installed on the rotating rod 7, and the operator can hold the host 1 by hand to stretch the probe 3 into the workpiece to detect the thickness. In addition, an operator can rotate the rotating rod 7 to adjust the orientation of the probe 3 and can adjust the position of the inserting rod 8 in the rotating groove 12 to adjust the orientation of the probe 3, so that the detection of the probe 3 is more flexible, and the operator can observe the thickness value on the host 1 conveniently. After the thickness of the workpiece is detected, the operator unscrews the bolt 13 to take out the probe 3, and then screws the lengthening pipe 6 and the rotating rod 7 into the accommodating groove 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an ultrasonic thickness gauge, includes host computer (1) to and connect probe (3) on host computer (1) through electric wire (2), its characterized in that: a lengthened pipe (6) which is the same as the host (1) in the length direction is arranged on one side wall of the host (1), one end, close to the probe (3), of the lengthened pipe (6) is hinged to the host (1) through a rotating shaft (5), and a first locking mechanism for locking the position of the lengthened pipe (6) when the lengthened pipe (6) is rotated to be parallel to the host (1) is arranged on the host (1); one end of the lengthened pipe (6) far away from the rotating shaft (5) is rotatably connected with a rotating rod (7) coaxial with the lengthened pipe (6), and a connecting mechanism used for connecting the probe (3) and capable of adjusting the orientation of the probe (3) is arranged on the rotating rod (7).

2. An ultrasonic thickness gauge according to claim 1, wherein: the connecting mechanism comprises an inserting rod (8) which is arranged on the probe (3) and is coaxial with the probe (3), and a round ball (9) which is fixedly connected to one end of the inserting rod (8) far away from the probe (3), wherein the diameter of the round ball (9) is larger than that of the inserting rod (8); the connecting mechanism further comprises a slot (10) which is formed in the rotating rod (7) and used for inserting the round ball (9) and the inserting rod (8), a ball groove (11) which is formed in the bottom of the slot (10) and attached to the surface of the round ball (9), a rotating groove (12) which is formed in the rotating rod (7) and used for rotating the inserting rod (8), and a bolt (13) which is connected to the rotating rod (7) in a threaded mode and used for tightly abutting against the round ball (9).

3. An ultrasonic thickness gauge according to claim 1, wherein: the first locking mechanism comprises a metal ring (14) sleeved on the outer side wall of the lengthened pipe (6) and a magnet block (15) arranged on the main machine (1) and used for being matched with the metal ring (14) in a magnetic attraction mode.

4. An ultrasonic thickness gauge according to claim 1, wherein: the lengthening pipe (6) comprises an outer pipe (61) and an inner pipe (62), one end of the outer pipe (61) is hinged to the rotating shaft (5), the inner pipe (62) is embedded in the outer pipe (61) in a sliding mode, and the rotating rod (7) is rotatably connected to one end, far away from the outer pipe (61), of the inner pipe (62); the outer tube (61) is provided with a second locking mechanism for locking the position of the inner tube (62).

5. An ultrasonic thickness gauge according to claim 4, wherein: the second locking mechanism comprises a mounting groove (16) arranged on the outer side wall of the inner pipe (62) and a plurality of clamping grooves (17) arranged on the outer pipe (61) and communicated with the inner side wall and the outer side wall of the outer pipe (61), and the mounting groove (16) is opposite to the clamping grooves (17) one by one in the sliding process of the inner pipe (62); the second locking mechanism further comprises a clamping block (18) which is connected in the mounting groove (16) in a sliding mode, and a spring (19) which is arranged in the mounting groove (16) and used for driving the clamping block (18) to be inserted into the clamping groove (17).

6. An ultrasonic thickness gauge according to claim 5, wherein: the limiting groove (20) which is the same as the outer pipe (61) in the length direction is formed in the inner side wall of the outer pipe (61), and the limiting block (21) which is used for being inserted into the limiting groove (20) to limit the dislocation of the mounting groove (16) and the clamping groove (17) is arranged on the inner pipe (62).

7. An ultrasonic thickness gauge according to claim 5, wherein: and the outer side walls of the inner pipe (62) and the outer pipe (61) are respectively provided with an elastic buckle (22) for positioning the electric wire (2).

8. An ultrasonic thickness gauge according to claim 1, wherein: the host (1) is provided with a storage groove (4) for storing the lengthening pipe (6), the rotating rod (7) and the connecting mechanism.