CN212585637U

CN212585637U - Special manual gauge for detecting diameter of outer groove in narrow space

Info

Publication number: CN212585637U
Application number: CN202021334557.6U
Authority: CN
Inventors: 范志新; 李秀玲
Original assignee: Wuxi Vgage Measuring Equipment Co ltd
Current assignee: Wuxi Wannaite Automation Equipment Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-23
Anticipated expiration: 2030-07-08

Abstract

The utility model belongs to the technical field of outer slot measurement technique and specifically relates to a special manual utensil of examining that is used for outer slot diameter in narrow space to detect. The device comprises a handle, wherein the lower end surface of the handle is detachably connected with a bottom plate through a connecting piece, and the left side and the right side of the upper surface of the bottom plate are respectively and fixedly connected with a crossed roller guide rail along the radial direction; the handle middle part is equipped with about the installation cavity that link up, and the installation cavity left and right sides is equipped with second mount pad and first mount pad respectively, and the terminal surface is respectively through connecting piece detachable link block under second mount pad and the first mount pad, and the slider of terminal surface is sliding connection respectively on the roller guide rail that intersects of the bottom plate left and right sides under second mount pad and the first mount pad, and the slider side is through connecting piece detachable connection gauge head. The utility model can be applied to the diameter measurement of the outer groove in a narrow space or a special position; the operation is convenient and quick, the requirement on an operator is low, and the detection requirement on mass production is met; the detection result is stable and reliable, and the cost is lower.

Description

Special manual gauge for detecting diameter of outer groove in narrow space

Technical Field

The utility model belongs to the technical field of outer slot measurement technique and specifically relates to a special manual utensil of examining that is used for outer slot diameter in narrow space to detect.

Background

For the detection of the diameter of the outer groove of the product, a commonly used detection method at present uses general measuring tools such as: the sheet micrometer and the vernier caliper were manually detected. However, the method for detecting the diameter of the outer groove of the product by using the sheet micrometer and the vernier caliper often has many limitations, and particularly for some outer groove structures located in a narrow space, as shown in fig. 1, the two general measuring tools interfere with the side wall of the narrow space where the workpiece to be detected is located, so that the diameter of the outer groove cannot be normally detected.

In addition to this, the use of universal gauges also presents the following problems and disadvantages: 1. the skill requirement on an operator is high, and the operator can be mastered and used only through special training; 2. the skill level of the operator may directly affect the measurement result; the operation is relatively complex, is suitable for use in a measuring room/laboratory and is not suitable for quick detection in a production workshop.

Based on the current situation, a special manual gauge for detecting the diameter of the outer groove in the narrow space is designed and developed, and the special gauge is convenient to use and high in repeatability and reproducibility precision.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art, and provides a special manual detection tool for detecting the diameter of the outer groove in the narrow space, which is reasonable in structure, can be suitable for measuring the diameter of the outer groove in the narrow space or in a special position, and is convenient and quick to operate, stable and reliable in detection result and low in cost.

The utility model discloses the technical scheme who adopts as follows:

a special manual gauge for detecting the diameter of an outer groove in a narrow space comprises a handle, wherein the lower end face of the handle is detachably connected with a bottom plate through a connecting piece, and the left side and the right side of the upper surface of the bottom plate are respectively and fixedly connected with a crossed roller guide rail along the radial direction; the middle part of the handle is provided with a left-right through installation cavity, the left side and the right side in the installation cavity are respectively provided with a second installation seat and a first installation seat, the lower end surfaces of the second installation seat and the first installation seat are respectively connected with a sliding block through a connecting piece in a detachable mode, the sliding blocks on the lower end surfaces of the second installation seat and the first installation seat are respectively connected onto crossed roller guide rails on the left side and the right side of the bottom plate in a sliding mode, and the side surfaces of the sliding blocks are detachably connected with measuring; the first mounting seat is provided with a left-right through measuring device mounting hole, the measuring device mounting hole is connected with a measuring device facing one end of the second mounting seat, the second mounting seat is provided with a left-right through clamping hole, a length measuring instrument is connected in the clamping hole, and the measuring end of the length measuring instrument penetrates through the clamping hole and contacts the measuring device; the handle center is equipped with the depression bar mounting hole that link up from top to bottom, is equipped with the depression bar that can slide from top to bottom in the depression bar mounting hole, and the depression bar lower extreme is equipped with the pressure head, and the pressure head can stretch into between first mount pad and the second mount pad and push first mount pad and second mount pad open to both sides.

Furthermore, the center of the lower end face of the bottom plate is detachably connected with the guide seat through a connecting piece.

Further, the pressure head is in a conical structure or a truncated cone structure.

Furthermore, an extension spring is arranged between the middle parts of the first mounting seat and the second mounting seat, and two ends of the extension spring are respectively hung on the first mounting seat and the second mounting seat.

Furthermore, the same height position on the first mounting seat and the second mounting seat is respectively connected with the roller in a rotating mode through the rotating shaft, and the roller is a V-shaped roller.

Furthermore, the upper end of the pressure lever extends out of the handle and is connected with the button.

Furthermore, the outer surface of the handle is provided with a knurling layer along the circumferential direction.

Furthermore, the opening at the upper end of the handle is connected with a plug through threads.

Furthermore, a long-strip-shaped limiting sliding groove is formed in the pressing rod along the length direction, a limiting pin is transversely arranged in the limiting sliding groove, and the end portion of the limiting pin is fixed on the handle.

Furthermore, a return spring is sleeved on the compression rod, the upper end of the return spring is in contact with an upper positioning table arranged on the outer surface of the compression rod, and the lower end of the return spring is in contact with a lower positioning table arranged on the inner surface of the handle.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure, and can be suitable for measuring the diameter of the outer groove in a narrow space or a special position; the operation is convenient and quick, the requirement on an operator is low, and the detection requirement on mass production is met; the detection result is stable and reliable, and the cost is lower.

Drawings

Fig. 1 is a schematic view of a product outer groove structure in a narrow space.

Fig. 2 is a side view of the present invention.

Fig. 3 is a front view half-section view of the utility model.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a schematic diagram of the detection of the present invention.

Wherein: 1. a button; 2. a pressure lever; 3. a handle; 4. plugging by screwing; 5. a return spring; 6. a spacing pin; 7. a limiting chute; 8. a first mounting seat; 9. a roller; 10. a pressure head; 11. an extension spring; 12. a length measuring instrument; 13. measuring the seeds; 14. a second mounting seat; 15. a slider; 16. a measuring head; 17. a cross roller guide rail; 18. a base plate; 19. a guide seat; 20. a mounting cavity; 21. a knurling layer; 22. an upper positioning table; 23. a lower positioning table; A. a product to be tested; B. the outer trench to be tested.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 2 and 3, the utility model mainly comprises a handle 3, the lower end surface of the handle 3 is connected with a bottom plate 18 of a disc-shaped structure through a detachable connecting piece, and the left and right sides of the upper surface of the bottom plate 18 are fixedly connected with a crossed roller guide rail 17 along the radial direction.

As shown in fig. 2 and fig. 3, the center of the lower end surface of the bottom plate 18 is detachably connected with a guide seat 19 through a connecting piece, and when measurement is performed, the guide seat 19 extends into the inner cavity of the measured product a to perform a coarse positioning function.

As shown in fig. 2 to 4, a left-right through installation cavity 20 is arranged in the middle of the handle 3, a second installation seat 14 and a first installation seat 8 are respectively arranged on the left side and the right side in the installation cavity 20, lower end faces of the second installation seat 14 and the first installation seat 8 are respectively connected with a sliding block 15 through a connecting piece in a detachable manner, and the sliding blocks 15 on the lower end faces of the second installation seat 14 and the first installation seat 8 are respectively connected with the crossed roller guide rails 17 on the left side and the right side of the bottom plate 18 in a sliding manner. The side surface of the slide block 15 is detachably connected with a measuring head 16 through a connecting piece. The measuring heads 16 on the left side and the right side of the mounting cavity 20 realize the adjustment of radial positions through the slide blocks 15, so that the measuring heads 16 can radially contact the side wall of the measured outer groove B.

As shown in fig. 2 and 3, the first mounting base 8 is provided with a left-right through-hole for mounting a probe, and one end of the probe mounting hole facing the second mounting base 14 is connected to the probe 13. The second mounting seat 14 is provided with a left-right through holding hole, the length measuring instrument 12 is connected in the holding hole, and the measuring end of the length measuring instrument 12 passes through the holding hole and contacts the measuring probe 13. The length measuring instrument 12 can employ a dial gauge or a dial gauge. When the first mounting seat 8 and the second mounting seat 14 move along with the measuring head 16 in the radial direction, the length measuring instrument 12 cooperates with the measuring element 13 to read the variation data.

As shown in fig. 2 and 3, a vertically through pressure lever mounting hole is formed in the center of the handle 3, a pressure lever 2 capable of sliding up and down is arranged in the pressure lever mounting hole, a pressure head 10 of a conical structure or a truncated cone structure is arranged at the lower end of the pressure lever 2, and the pressure head 10 can extend into the space between the first mounting seat 8 and the second mounting seat 14 and push the first mounting seat 8 and the second mounting seat 14 away from each other towards two sides, so that the two measuring heads 16 can be controlled to move relatively or back to back.

As shown in fig. 2 and 3, an extension spring 11 is disposed between the middle portions of the first mounting seat 8 and the second mounting seat 14, and two ends of the extension spring 11 are respectively hung on the first mounting seat 8 and the second mounting seat 14. Extension spring 11 can guarantee that first mount pad 8 and second mount pad 14 are in the determining deviation all the time, and when accomplishing to measure and loosen depression bar 2, extension spring 11 can drive first mount pad 8 and the recovery of second mount pad 14.

As shown in fig. 2 and 3, in order to reduce the wear generated by the contact between the indenter 10 and the first and second mounting

seats

8, 14, the rollers 9 are rotatably connected to the same height positions on the first and second mounting

seats

8, 14 through rotating shafts, respectively, and the rollers 9 are V-shaped rollers.

As shown in fig. 2 and 3, in order to press the pressing rod 2 conveniently, the upper end of the pressing rod 2 extends out of the handle 3 and is connected with the button 1, and when the pressing rod 2 is used, an operator can press and operate the pressing rod 2 conveniently through the button 1.

As shown in fig. 2, in order to operate the handle 3 with one hand more conveniently, the outer surface of the handle 3 is provided with a knurled layer 21 along the circumferential direction, and the knurled layer 21 can play a role of anti-skid.

As shown in figure 3, in order to limit the pressure lever 2 in the handle 3, a plug 4 is connected to the opening of the upper end of the handle 3 through threads, and the plug 4 limits the space for the pressure lever 2 to move upwards.

As shown in fig. 3, in order to limit the moving range of the pressing rod 2, a long strip-shaped limiting sliding groove 7 is arranged on the pressing rod 2 along the length direction, a limiting pin 6 is transversely arranged in the limiting sliding groove 7, and the end of the limiting pin 6 is fixed on the handle 3. The pressure bar 2 can only move up and down within the length size range of the limit sliding chute 7.

As shown in fig. 3, in order to enable the pressing rod 2 to automatically return after being pressed, a return spring 5 is sleeved on the pressing rod 2, the upper end of the return spring 5 contacts an upper positioning table 22 arranged on the outer surface of the pressing rod 2, and the lower end of the return spring 5 contacts a lower positioning table 23 arranged on the inner surface of the handle 3.

The utility model discloses a theory of operation is: during detection, as shown in fig. 5, the operator holds the handle 3 with one hand, and the knurled layer 21 on the handle 3 can reduce the occurrence of dropping of the handle 3 due to slipping of the hand. Then press down button 1 with the thumb, button 1 drives depression bar 2 and descends, pressure head 10 of depression bar 2 lower extreme stretches into between two gyro wheels 9 and to both sides strut first mount pad 8 and second mount pad 14, first mount pad 8 and second mount pad 14 drive the gauge head 16 at both ends respectively again and open, then put into the centre bore of surveyed outer slot B with the guide holder 19 at examining a center, the operator loosens the thumb after that, the tester 13 of left and right sides is by inside extension spring 11 pulling automatic tightening, tester 13 and surveyed outer slot B contact measure, the testing result shows through the length measurement appearance.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a special manual utensil of examining that is used for narrow space outer groove diameter to detect, includes handle (3), its characterized in that: the lower end surface of the handle (3) is detachably connected with a bottom plate (18) through a connecting piece, and the left side and the right side of the upper surface of the bottom plate (18) are respectively and fixedly connected with a crossed roller guide rail (17) along the radial direction; the middle part of the handle (3) is provided with a left-right through installation cavity (20), the left side and the right side in the installation cavity (20) are respectively provided with a second installation seat (14) and a first installation seat (8), the lower end faces of the second installation seat (14) and the first installation seat (8) are respectively connected with a sliding block (15) through a connecting piece in a detachable mode, the sliding blocks (15) on the lower end faces of the second installation seat (14) and the first installation seat (8) are respectively connected to cross roller guide rails (17) on the left side and the right side of a bottom plate (18) in a sliding mode, and the side faces of the sliding block (15) are detachably connected with a measuring head; a measuring sub mounting hole which is through from left to right is formed in the first mounting seat (8), one end, facing the second mounting seat (14), of the measuring sub mounting hole is connected with the measuring sub (13), a clamping hole which is through from left to right is formed in the second mounting seat (14), a length measuring instrument (12) is connected in the clamping hole, and the measuring end of the length measuring instrument (12) penetrates through the clamping hole and contacts the measuring sub (13); the handle (3) center is equipped with the depression bar mounting hole that link up from top to bottom, is equipped with in the depression bar mounting hole can be gliding depression bar (2) from top to bottom, and depression bar (2) lower extreme is equipped with pressure head (10), and pressure head (10) can stretch into between first mount pad (8) and second mount pad (14) and push first mount pad (8) and second mount pad (14) open to both sides.

2. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the center of the lower end face of the bottom plate (18) is detachably connected with a guide seat (19) through a connecting piece.

3. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the pressure head (10) is of a conical structure or a truncated cone structure.

4. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: and an extension spring (11) is arranged between the middle parts of the first mounting seat (8) and the second mounting seat (14), and two ends of the extension spring (11) are respectively hung on the first mounting seat (8) and the second mounting seat (14).

5. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the same height positions of the first mounting seat (8) and the second mounting seat (14) are respectively connected with the roller (9) in a rotating mode through rotating shafts, and the roller (9) is a V-shaped roller.

6. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the upper end of the pressure lever (2) extends out of the handle (3) and is connected with the button (1).

7. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the outer surface of the handle (3) is provided with a knurling layer (21) along the circumferential direction.

8. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the opening at the upper end of the handle (3) is connected with a plug (4) through threads.

9. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: the pressing rod (2) is provided with a long-strip-shaped limiting sliding groove (7) along the length direction, a limiting pin (6) is transversely arranged in the limiting sliding groove (7), and the end part of the limiting pin (6) is fixed on the handle (3).

10. The special manual gauge for detecting the diameter of the outer groove in the narrow space, as claimed in claim 1, is characterized in that: a return spring (5) is sleeved on the compression bar (2), the upper end of the return spring (5) is in contact with an upper positioning table (22) arranged on the outer surface of the compression bar (2), and the lower end of the return spring (5) is in contact with a lower positioning table (23) arranged on the inner surface of the handle (3).