Detection equipment for ball core

Abstract

The utility model discloses detection equipment for a ball core, which belongs to the technical field of ball cores and comprises a base, a main ruler is arranged at the upper end of the base, a sliding block is arranged on the surface of the main ruler, a marking assembly is arranged between the sliding block and the main ruler, a dial indicator is arranged at the upper end of the surface of one side of the sliding block, and a back tightening screw is arranged at the upper end of the sliding block and located on one side of the dial indicator. According to the utility model, the fixing assembly is arranged, so that the lower end of the main ruler is provided with the fixing frame, and the two groups of clamping plates on the surface of the fixing frame are pushed by the elastic force of the connecting spring to clamp the two sides of the ball core, so that the position of the ball core is stable, the ball core is not easy to move during detection, and a good fixing and stabilizing effect is achieved; by arranging the marking assembly, the mounting strip is fixed on the surface of the main ruler, and the main scale plate on the surface of the main ruler and the auxiliary scale plate on the surface of the sliding block are consistent in height, so that gaps between scale marks are reduced, the scale marks and the auxiliary scale plate are tighter, deviation is not easy to occur during observation and reading, and errors are small.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball cores, and in particular relates to a detection device for ball cores. Background Art

[0002] O-type ball valve is a valve that occupies a large proportion in the field of control valves. The ball core is the most critical part of the entire valve, so the processing accuracy requirements are very high.

[0003] Chinese patent application No. 201620936652.0 discloses a ball core detection measuring tool, including a base, a main ruler, a slider and a dial indicator, the main ruler has a cross bar and a vertical rod, one end of the vertical rod is connected to the base, the other end of the vertical rod is fixedly connected to the cross bar, the cross bar and the vertical rod are vertically arranged, the slider is slidably arranged on the cross bar, the dial indicator is fixedly connected to the slider, main scale lines are arranged on the side of the cross bar, and secondary scale lines are arranged on the side of the slider. The utility model has high detection accuracy, simple operation, convenient reading, and can directly measure the distance from the end face of the ball core to the center of the ball.

[0004] In the above-mentioned patent disclosure, 1. when the slider and the dial indicator are used to measure the ball core, the position of the ball core needs to be fixed so that it does not move, thereby avoiding errors in measurement; 2. when the main scale line and the secondary scale line are measured by comparison, the heights of the two are different, and errors are prone to occur during comparison. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a ball core detection device, which has the characteristics of convenient fixation and small error.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball core detection device, comprising a base, a main scale is arranged at the upper end of the base, a slider is arranged on the surface of the main scale, a marking component is arranged between the slider and the main scale, a dial indicator is arranged at the upper end of one side surface of the slider, a back-tightening screw is arranged at the upper end of the slider and on one side of the dial indicator, and a fixing component is arranged at the lower end of the main scale.

[0007] Preferably, the fixing assembly includes a fixing frame, a clamping plate, a vertical plate, a connecting spring and a guide cover, wherein a fixing frame is provided at the lower end of the main scale, vertical plates are provided on both sides of the fixing frame, a clamping plate is provided on one side of the vertical plate, a connecting spring is provided between the clamping plate and the vertical plate, and a guide cover is provided on the outside of the connecting spring.

[0008] Preferably, the fixing assembly further comprises an anti-collision pad and a protective pad, wherein the anti-collision pad is arranged on the surface of the splint, and the protective pad is arranged on the surface of the anti-collision pad.

[0009] Preferably, an auxiliary structure is provided between the two groups of connecting springs, the auxiliary structure comprising a disc, a pull rod and a fixing thread, wherein a pull rod is provided on the surface of the splint, a fixing thread is provided on the surface of the pull rod, and a disc is provided on one side of the pull rod.

[0010] Preferably, the marking assembly includes a secondary scale plate, a main scale plate and a mounting bar, wherein the secondary scale plate is arranged on the surface of the slider, the mounting bar is arranged at a position corresponding to the secondary scale plate on the main scale surface, and the main scale plate is arranged on the upper end of the mounting bar.

[0011] Preferably, the marking assembly further comprises a transparent anti-wear layer and a smooth layer, wherein the surfaces of the auxiliary scale plate and the main scale plate are provided with a transparent anti-wear layer, and the surfaces of the slider and the mounting bar close to each other are provided with a smooth layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a fixing assembly, so that a fixing frame is installed at the lower end of the main scale, and two sets of clamping plates on the surface thereof clamp the two sides of the ball core under the elastic force of the connecting spring, so that the position of the ball core can be stabilized, and it is not easy to move during detection, which has a good fixing and stabilizing effect.

[0014] 2. The utility model is provided with a marking component to fix the mounting strip on the main scale surface so that the main scale plate on its surface is in the same height as the auxiliary scale plate on the slider surface, thereby reducing the gap between the scale lines and making the two closer, making it less likely to have deviations when observing the readings, and the error is smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the fixing assembly of the utility model;

[0017] Figure 3 It is a cross-sectional view of the marking component of the utility model;

[0018] In the figure: 1. main scale; 2. base; 3. fixing assembly; 31. fixing frame; 32. clamping plate; 33. vertical plate; 34. auxiliary structure; 341. disc; 342. pull rod; 343. fixing thread; 35. connecting spring; 36. anti-collision cushion; 37. protective pad; 38. guide cover; 4. marking assembly; 41. auxiliary scale plate; 42. main scale plate; 43. mounting strip; 44. transparent anti-wear layer; 45. smooth layer; 5. slider; 6. back tightening screw; 7. dial indicator. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a ball core detection device, comprising a base 2, a main scale 1 is arranged at the upper end of the base 2, a slider 5 is arranged on the surface of the main scale 1, a marking component 4 is arranged between the slider 5 and the main scale 1, a dial indicator 7 is arranged on the upper end of one side of the slider 5, a back tightening screw 6 is arranged on the upper end of the slider 5 and on one side of the dial indicator 7, and a fixing component 3 is arranged at the lower end of the main scale 1.

[0022] Specifically, the fixing assembly 3 includes a fixing frame 31, a clamping plate 32, a vertical plate 33, a connecting spring 35 and a guide cover 38, wherein the fixing frame 31 is provided at the lower end of the main ruler 1, vertical plates 33 are provided on both sides of the fixing frame 31, a clamping plate 32 is provided on one side of the vertical plate 33, a connecting spring 35 is provided between the clamping plate 32 and the vertical plate 33, and a guide cover 38 is provided on the outer side of the connecting spring 35.

[0023] By adopting the above technical solution, the ball core is placed on the upper end of the fixing frame 31 , and the two sets of clamps 32 clamp the ball core under the elastic force of the connecting spring 35 to stabilize its position, and the guide cover 38 guides and protects the connecting spring 35 .

[0024] Specifically, the fixing assembly 3 further includes an anti-collision cushion 36 and a protective cushion 37, wherein the anti-collision cushion 36 is disposed on the surface of the clamping plate 32, and the protective cushion 37 is disposed on the surface of the anti-collision cushion 36.

[0025] By adopting the above technical solution, the anti-collision cushion 36 can prevent the ball core from being damaged, and the protective pad 37 plays a protective role on the anti-collision cushion 36 .

[0026] Specifically, an auxiliary structure 34 is provided between the two groups of connecting springs 35, and the auxiliary structure 34 includes a disc 341, a pull rod 342 and a fixing thread 343, wherein the pull rod 342 is provided on the surface of the clamping plate 32, the fixing thread 343 is provided on the surface of the pull rod 342, and a disc 341 is provided on one side of the pull rod 342.

[0027] By adopting the above technical solution, the disc 341 is rotated to make the fixing thread 343 on the surface of the pull rod 342 engage and fix with the vertical plate 33, so that the clamping plate 32 can be fixed on one side of the vertical plate 33, which is convenient for placing the ball core.

[0028] When this embodiment is used, the ball core is placed on the upper end of the fixing frame 31, one end of which is in contact with the base 2, and the disk 341 of the auxiliary structure 34 is rotated to separate the fixing thread 343 on the surface of the pull rod 342 from the vertical plate 33, so that the clamping plate 32 is reset under the elastic force of the spring, and the two sets of clamping plates 32 clamp the ball core under the elastic force of the connecting spring 35 to stabilize its position, the guide cover 38 guides and protects the connecting spring 35, the anti-collision cushion 36 can prevent the ball core from being damaged, and the protective pad 37 protects the anti-collision cushion 36, and the back tightening screw 6 is rotated to move the slider 5 on the surface of the main scale 1. When the reading of the dial indicator 7 is the largest, the scale of the marking component 4 is observed to conveniently confirm the distance from the end face of the ball core to the center of the ball, and the detection of the ball core is completed to determine whether it is qualified.

[0029] Example 2

[0030] The difference between this embodiment and the first embodiment is that the marking assembly 4 includes a secondary scale plate 41, a main scale plate 42 and a mounting strip 43, wherein the secondary scale plate 41 is arranged on the surface of the slider 5, the mounting strip 43 is arranged on the surface of the main scale 1 at a position corresponding to the secondary scale plate 41, and the main scale plate 42 is arranged on the upper end of the mounting strip 43.

[0031] By adopting the above technical solution, the mounting strip 43 makes the main scale plate 42 and the auxiliary scale plate 41 highly consistent. When the slider 5 moves, the scale positions on the surfaces of the main scale plate 42 and the auxiliary scale plate 41 are close, and deviation is not easy to occur when observing the readings, and the error is small.

[0032] Specifically, the marking assembly 4 further includes a transparent anti-wear layer 44 and a smooth layer 45, wherein the surfaces of the secondary scale plate 41 and the main scale plate 42 are provided with the transparent anti-wear layer 44, and the surfaces of the slider 5 and the mounting bar 43 close to each other are provided with the smooth layer 45.

[0033] By adopting the above technical solution, the transparent anti-wear layer 44 can prevent the scale from being damaged, and the smooth layer 45 can reduce the friction between the slider 5 and the mounting bar 43.

[0034] When this embodiment is in use, the mounting strip 43 makes the main scale plate 42 and the auxiliary scale plate 41 highly consistent. When the slider 5 moves, the scale positions on the surfaces of the main scale plate 42 and the auxiliary scale plate 41 are close, and deviation is less likely to occur when observing the readings, and the error is small. The transparent anti-wear layer 44 can prevent damage to the scale, and the smooth layer 45 can reduce the friction between the slider 5 and the mounting strip 43.

[0035] Working principle and use process of the utility model: When the utility model is used, the ball core is placed on the upper end of the fixing frame 31, one end of which is in contact with the base 2, and the disc 341 of the auxiliary structure 34 is rotated to separate the fixing thread 343 on the surface of the pull rod 342 from the vertical plate 33, so that the clamping plate 32 is reset under the elastic force of the spring, and the two groups of clamping plates 32 clamp the ball core under the elastic force of the connecting spring 35 to stabilize its position, the guide cover 38 guides and protects the connecting spring 35, the anti-collision cushion 36 can prevent the ball core from being damaged, and the protective pad 37 protects the anti-collision cushion 36. Turn the back-tightening screw 6 to move the slider 5 on the surface of the main scale 1. When the reading of the dial indicator 7 is the largest, observe the scale of the marking component 4 to conveniently confirm the distance from the end face of the ball core to the center of the ball, complete the detection of the ball core, and determine whether it is qualified; the mounting strip 43 makes the main scale plate 42 and the auxiliary scale plate 41 highly consistent. When the slider 5 moves, the scale positions on the surfaces of the main scale plate 42 and the auxiliary scale plate 41 are close, and it is not easy to deviate when observing the reading, and the error is small. The transparent anti-wear layer 44 can prevent damage to the scale, and the smooth layer 45 can reduce the friction between the slider 5 and the mounting strip 43.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A core detection device, comprising a base, characterized in that: A main scale is arranged at the upper end of the base, a slider is arranged on the surface of the main scale, a marking component is arranged between the slider and the main scale, a dial indicator is arranged on the upper end of one side surface of the slider, a back tightening screw is arranged on the upper end of the slider and on one side of the dial indicator, and a fixing component is arranged at the lower end of the main scale.

2. The core detection device according to claim 1, characterized in that: The fixing assembly includes a fixing frame, a clamping plate, a vertical plate, a connecting spring and a guide cover, wherein a fixing frame is arranged at the lower end of the main scale, vertical plates are arranged on both sides of the fixing frame, a clamping plate is arranged on one side of the vertical plate, a connecting spring is arranged between the clamping plate and the vertical plate, and a guide cover is arranged on the outside of the connecting spring.

3. The core detection device according to claim 2, characterized in that: The fixing assembly also includes an anti-collision pad and a protective pad, wherein the anti-collision pad is arranged on the surface of the splint, and the protective pad is arranged on the surface of the anti-collision pad.

4. The core detection device according to claim 2, characterized in that: An auxiliary structure is arranged between the two groups of connecting springs, and the auxiliary structure comprises a disc, a pull rod and a fixing thread, wherein a pull rod is arranged on the surface of the splint, a fixing thread is arranged on the surface of the pull rod, and a disc is arranged on one side of the pull rod.

5. The core detection device according to claim 1, characterized in that: The marking assembly includes a secondary scale plate, a main scale plate and a mounting bar, wherein the secondary scale plate is arranged on the surface of the slider, the mounting bar is arranged at a position corresponding to the secondary scale plate on the main scale surface, and the main scale plate is arranged on the upper end of the mounting bar.

6. The core detection device according to claim 5, characterized in that: The marking assembly further comprises a transparent anti-wear layer and a smooth layer, wherein the surfaces of the auxiliary scale plate and the main scale plate are provided with a transparent anti-wear layer, and the surfaces of the slider and the mounting bar on one side close to each other are provided with a smooth layer.

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