Gearbox inner cavity size detection tool

Abstract

The utility model provides a gearbox inner cavity size detection tool, which relates to the technical field of detection tools, and comprises two support columns, a bidirectional screw rod is rotatably connected in the support columns, a first bevel gear is fixed on the outer wall of the bidirectional screw rod, and the first bevel gear is meshed and connected with a second bevel gear. When a user needs to measure the sizes of different positions of the inner cavity of the gearbox at the same time, the user only needs to insert the insertion block arranged on one side of the other supporting column into the connecting block fixed at one end of the supporting column for clamping before measurement, so that the two supporting columns are installed mutually, and the size of the inner cavity of the gearbox can be measured conveniently during detection. Multiple detection can be carried out on the inner cavity of the gearbox in one direction through two or more supporting columns at the same time, clamping holes matched with clamping columns are formed in the four ends of the outer wall of an insertion block, so that the insertion block can be vertically or transversely clamped in a connecting block, and the two supporting columns can be distributed in a staggered mode; therefore, two different directions of the inner cavity of the gearbox can be detected at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of detection tools, in particular to a tool for detecting the inner cavity size of a gearbox. Background Art

[0002] With the booming automotive industry, consumers are demanding increasingly higher levels of vehicle quality. As a key automotive component, the accuracy of the internal dimensions of the transmission directly impacts its performance and reliability. For example, inaccurate internal dimensions can lead to problems such as poor gear meshing and malfunctioning hydraulic systems. To ensure high-quality transmission production, precise internal dimension inspection tools are essential.

[0003] A gearbox inner cavity dimension detection tool currently in the prior art can only detect the dimension of the gearbox inner cavity in one direction. After the detection in one direction is completed, the detection tool needs to be returned to its original position, turned around, and detected in the other direction, which is very troublesome and has poor practicality. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when performing dimensional inspection on the inner cavity of a gearbox, only one direction can be inspected. After the inspection in one direction is completed, the inspection tool needs to be returned to its original position, turned in the direction, and inspected in the other direction, which is very troublesome and has poor practicality. A gearbox inner cavity dimension inspection tool is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gearbox inner cavity size detection tool, comprising two pillars, a bidirectional screw is rotatably connected in the pillar, a first bevel gear is fixed on the outer wall of the bidirectional screw, the first bevel gear is meshed with the second bevel gear, the pillar is rotatably connected with a connecting column, one end of the connecting column located in the pillar is fixed with the second bevel gear, the outer walls of both ends of the bidirectional screw are threadedly connected to the bracket, both ends of the two brackets pass through the pillar and are arranged outside the pillar, and the four ends of the outer wall of the bracket are provided with scale grooves, one of the two ends of the outer wall of the pillar is fixed with connecting blocks, and the other two sides of the pillar are provided with plug blocks, and the opposite ends of the two connecting blocks are provided with slots matching the plug blocks, and the inner walls of the connecting blocks are provided with snap structures for clamping and limiting the plug blocks.

[0006] Preferably, the snap-fit ​​structure includes an inner cavity body opened at both ends of the inner wall of the slot, springs are fixed at opposite ends of the two inner cavity bodies, clamping columns are fixed at opposite ends of the two springs, and opposite ends of the two clamping columns pass through the inner cavity body and are arranged in the plug.

[0007] Preferably, connecting plates are fixed at both ends of the outer wall of the clamping column, one end of each of the two connecting plates passes through the connecting block and is commonly fixed with a pull block, and clamping holes matching the clamping column are opened at the four ends of the outer wall of the insert block.

[0008] Preferably, both ends of the connecting block are located on both sides of the inner cavity body and are provided with movable grooves matching the connecting plates.

[0009] Preferably, a rotating plate is fixed to one end of the connecting column outside the supporting column, and a friction-enhancing plate is fixed to the outer wall of the rotating plate.

[0010] Preferably, a damping ring is installed on the outside of the connecting column in the pillar, and fixing blocks are fixed at both ends of the outer wall of the other pillar, and the two insert blocks are respectively fixed at the opposite ends of the two fixing blocks.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are:

[0012] In the utility model, when the user needs to measure the dimensions of different positions of the gearbox inner cavity at the same time, before measurement, it is only necessary to insert the plug block provided on one side of the other pillar into the connecting block fixed at one end of the one pillar for clamping, so that the two pillars are installed with each other. During detection, multiple detections can be carried out on one direction of the gearbox inner cavity at the same time through the two pillars or multiple pillars. The four ends of the outer wall of the plug block are provided with clamping holes that match the clamping columns, so that the plug block can be clamped in the connecting block vertically or horizontally, so that the two pillars can be staggered, so that two different directions of the gearbox inner cavity can be detected at the same time, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a gearbox inner cavity size detection tool proposed by the utility model;

[0014] Figure 2 This utility model proposes a cross-sectional view of the internal structure of a support for a gearbox inner cavity size detection tool;

[0015] Figure 3 The utility model provides a schematic diagram of a buckle structure of a gearbox inner cavity size detection tool;

[0016] Figure 4 The utility model provides a stereoscopic diagram of the external structure of an insert block of a gearbox inner cavity size detection tool.

[0017] Legend: 1. Pillar; 2. Bidirectional screw; 3. First bevel gear; 4. Connecting column; 5. Second bevel gear; 6. Rotating plate; 7. Friction plate; 8. Damping ring; 9. Bracket; 10. Scale groove; 11. Connecting block; 12. Fixed block; 13. Insert block; 14. Slot; 15. Snap-fit ​​structure; 1501. Inner cavity body; 1502. Spring; 1503. Clamping column; 16. Connecting plate; 17. Pulling block; 18. Moving groove; 19. Clamping hole. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1, as Figure 1-4 As shown, the utility model provides a gearbox inner cavity size detection tool, including two pillars 1, a bidirectional screw 2 is rotatably connected in the pillar 1, a first bevel gear 3 is fixed on the outer wall of the bidirectional screw 2, the first bevel gear 3 is meshed with the second bevel gear 5, a connecting column 4 is rotatably connected in the pillar 1, one end of the connecting column 4 is located in the pillar 1 and is fixed to the second bevel gear 5, the outer walls of both ends of the bidirectional screw 2 are threadedly connected to the bracket 9, both ends of the two brackets 9 pass through the pillar 1 and are arranged outside the pillar 1, and the four ends of the outer wall of the bracket 9 are provided with a scale groove 10, one end of the outer wall of one of the pillars 1 is fixed with a connecting block 11, and the other two sides of the other pillar 1 are provided with an insert block 13, and the opposite ends of the two connecting blocks 11 are provided with a slot 14 matching the insert block 13, and the inner wall of the connecting block 11 is provided with a snap structure 15 for clamping and limiting the insert block 13.

[0021] The effect achieved by the entire embodiment 1 is that the user places the pillar 1 into the inner cavity of the gearbox, and rotates the connecting column 4 to drive the second bevel gear 5 to rotate, thereby driving the first bevel gear 3 to rotate, and driving the bidirectional screw 2 to rotate. When the bidirectional screw 2 rotates, the two brackets 9 move in opposite directions under the limit of the pillar 1. When the opposite ends of the two brackets 9 are against the inner walls of the gearbox inner cavity, the user can observe the length of the two brackets 9 moved out of the pillar 1 to calculate the length of the gearbox inner cavity. The length of the pillar 1 in this device is fixed and known in advance. When calculating, you only need to add the length of the pillar 1. Through the setting of the snap structure 15, other pillars 1 can be docked, which is convenient for measuring the width of different positions of the gearbox inner cavity at the same time, etc., which is more practical.

[0022] Example 2, as Figure 1-4 As shown, the buckle structure 15 includes an inner cavity body 1501 opened at both ends of the inner wall of the slot 14, and the two inner cavity bodies 1501 are fixed with springs 1502 at opposite ends. The two springs 1502 are fixed with clamping columns 1503 at opposite ends. The opposite ends of the two clamping columns 1503 pass through the inner cavity body 1501 and are arranged in the plug block 13. The outer walls of the clamping columns 1503 are fixed with connecting plates 16 at both ends. One end of the two connecting plates 16 passes through the connecting block 11 and is fixed with a pull block 17. The plug block 13 is fixed with a pull block 17. 3 has four ends with card holes 19 matching the card column 1503, and both ends of the connecting block 11 are located on both sides of the inner cavity body 1501 and have movable grooves 18 matching the connecting plate 16. The end of the connecting column 4 located outside the pillar 1 is fixed with a rotating plate 6, and the outer wall of the rotating plate 6 is fixed with a friction plate 7. A damping ring 8 is installed on the outside of the connecting column 4 in the pillar 1. The outer ends of the other pillar 1 are fixed with fixed blocks 12, and two plug blocks 13 are respectively fixed to the opposite ends of the two fixed blocks 12.

[0023] The effect achieved by the entire embodiment 2 is that when other pillars 1 need to be installed, it is only necessary to pull the two pulling blocks 17 in opposite directions to drive the two clamping columns 1503 to retract into the two inner cavity bodies 1501. At this time, the user can insert the plug block 13 provided on one side of the other pillar 1 into the connecting block 11 fixed at one end of this pillar 1, loosen the pulling block 17, and the clamping column 1503 will enter the clamping hole 19 provided on the outer wall of the plug block 13 under the reset thrust of the spring 1502, and clamp it and limit it to achieve the installation effect. By setting the damping ring 8, the friction force on the connecting column 4 is increased to prevent it from rotating.

[0024] Working principle: When the device is used, the user places the pillar 1 into the gearbox cavity, and by rotating the connecting column 4, the second bevel gear 5 is driven to rotate, thereby driving the first bevel gear 3 to rotate, and driving the bidirectional screw 2 to rotate. When the bidirectional screw 2 rotates, the two brackets 9 move in opposite directions under the limit of the pillar 1. When the opposite ends of the two brackets 9 are against the inner walls of the gearbox cavity, the user can observe the length of the two brackets 9 moved out of the pillar 1 to calculate the length of the gearbox cavity. The length of the pillar 1 in this device is fixed. It is known in advance that you only need to add the length of the pillar 1 when calculating. When you need to install other pillars 1, you only need to pull the two pull blocks 17 in opposite directions to drive the two clamping columns 1503 to retract into the two inner cavity bodies 1501. At this time, the user can insert the plug block 13 on one side of the other pillar 1 into the connecting block 11 fixed at one end of this pillar 1, loosen the pull block 17, and the clamping column 1503 will enter the clamping hole 19 opened on the outer wall of the plug block 13 under the reset thrust of the spring 1502, and clamp it and limit it to achieve the installation effect.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A gearbox inner cavity size detection tool, comprising two pillars (1), characterized in that: A bidirectional screw (2) is rotatably connected inside the pillar (1), a first bevel gear (3) is fixed on the outer wall of the bidirectional screw (2), and the first bevel gear (3) is meshedly connected with a second bevel gear (5), a connecting column (4) is rotatably connected inside the pillar (1), one end of the connecting column (4) located inside the pillar (1) is fixed to the second bevel gear (5), and the outer walls of both ends of the bidirectional screw (2) are threadedly connected to brackets (9), and both ends of the two brackets (9) pass through the pillar. (1) and arranged outside the pillar (1), the four ends of the outer wall of the bracket (9) are provided with scale grooves (10), the two ends of the outer wall of one of the pillars (1) are fixed with connecting blocks (11), and the two sides of the other pillar (1) are provided with plug-in blocks (13), and the ends opposite to each other of the two connecting blocks (11) are provided with slots (14) matching with the plug-in blocks (13), and the two ends of the inner wall of the connecting block (11) are provided with snap-fit ​​structures (15) for clamping and limiting the plug-in blocks (13).

2. A gearbox inner cavity size detection tool according to claim 1, characterized in that: The buckle structure (15) includes an inner cavity body (1501) opened at both ends of the inner wall of the slot (14), a spring (1502) is fixed to the opposite ends of the two inner cavity bodies (1501), a clamping column (1503) is fixed to the opposite ends of the two springs (1502), and the opposite ends of the two clamping columns (1503) pass through the inner cavity body (1501) and are arranged in the insert block (13).

3. A gearbox inner cavity size detection tool according to claim 2, characterized in that: Connecting plates (16) are fixed at both ends of the outer wall of the clamping column (1503), one end of each of the two connecting plates (16) passes through the connecting block (11) and is fixed with a pull block (17) together, and clamping holes (19) matching the clamping column (1503) are opened at the four ends of the outer wall of the insert block (13).

4. A gearbox inner cavity size detection tool according to claim 2, characterized in that: Both ends of the connecting block (11) are located on both sides of the inner cavity body (1501) and are provided with movable grooves (18) that match the connecting plate (16).

5. The gearbox inner cavity size detection tool according to claim 1, characterized in that: A rotating plate (6) is fixed to one end of the connecting column (4) located outside the pillar (1), and a friction-enhancing plate (7) is fixed to the outer wall of the rotating plate (6).

6. The gearbox inner cavity size detection tool according to claim 1, characterized in that: A damping ring (8) is installed on the outside of the connecting column (4) in the pillar (1), and fixed blocks (12) are fixed at both ends of the outer wall of the other pillar (1), and the two insert blocks (13) are respectively fixed at the opposite ends of the two fixed blocks (12).

Images