Stable-to-use form and location tolerance detection jig
By introducing height adjustment and position adjustment components into the tolerance inspection fixture, the problem of the existing fixture's inability to adjust is solved, achieving stable fixation of parts of different sizes and expanding the inspection range, thus improving the portability and accuracy of inspection.
Patent Information
- Application Number
- CN202520162456.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing tolerance inspection fixtures cannot be height-adjusted, which limits the inspection of parts of different sizes, and the dial indicator position adjustment is limited, affecting the use of inspection.
A geometric tolerance inspection fixture including a height adjustment component and a position adjustment component was designed. The height and position of the fixture are adjusted by a double-ended lead screw and a slide rail structure, ensuring the fixation of parts of different sizes and the flexible positioning of the dial indicator.
It achieves stable fixation of parts of different sizes and a wide range of inspection capabilities, improving the portability and accuracy of inspection.
Smart Images

Figure CN223678363U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tolerance inspection fixture technology, specifically relating to a stable form and position tolerance inspection fixture. Background Technology
[0002] Tolerance: The allowable variation in the actual value of a parameter. Parameters include not only geometric parameters in machining, but also parameters from disciplines such as physics, chemistry, and electricity. Therefore, tolerance is a concept with a wide range of applications. In mechanical manufacturing, the purpose of setting tolerances is to determine the geometric parameters of a product, ensuring that their variation is within a certain range to achieve interchangeability or fit requirements.
[0003] Existing tolerance inspection fixtures have the following drawbacks: they cannot be height-adjusted, which limits the inspection of parts of different sizes and causes inconvenience; at the same time, the dial indicator position adjustment is limited, affecting the inspection use. Utility Model Content
[0004] To address the problems mentioned in the background section, this invention provides a stable form and position tolerance inspection fixture that is portable and has a wide inspection range.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a stable form and position tolerance inspection fixture, including a reference platform, height adjustment components are provided on both sides of the upper end of the reference platform, a first vertical plate is connected to the middle of the height adjustment component on one side of the upper end of the reference platform, a second vertical plate is connected to the middle of the height adjustment component on the other side of the upper end of the reference platform, a fixed plate is provided on the side of the second vertical plate, a cylinder is provided on the side support of the first vertical plate, a push block is connected to the movable rod of the cylinder, a push rod is movably connected to the middle of the first vertical plate, a fixed column is provided at the end of the push rod near the fixed plate, a connecting block is provided at the end of the push rod near the push block, and a position adjustment component is provided on the upper side of the reference platform.
[0006] Preferably, the height adjustment assembly includes a connecting seat, a push plate, a rotating seat, a movable seat, a base, a double-ended lead screw, and an adjustment disc. The double-ended lead screw is located in the middle of the base, and adjustment discs are located at both ends of the double-ended lead screw. Movable seats are located on both sides of the surface of the double-ended lead screw. A rotating seat is located at the upper end of the movable seat. A push plate is rotatably connected to the middle of the rotating seat, and the other end of the push plate is connected to the connecting seat.
[0007] Preferably, the upper end of the connecting seat is connected to the bottom of the first upright plate and the second upright plate respectively by fastening bolts.
[0008] Preferably, limit guide rods are provided on both sides of the push rod, and the limit guide rods are slidably connected to the upright plate.
[0009] Preferably, the position adjusting assembly comprises a moving plate, a table seat, a transverse slide rail and a longitudinal slide rail, wherein the upper end sides of the reference table are provided with two sets of longitudinal slide rails, the upper ends of the longitudinal slide rails are slidably connected with the moving plate, the upper end of the moving plate is provided with the transverse slide rail, and the upper end of the transverse slide rail is provided with the table seat.
[0010] Preferably, the position adjusting assembly comprises a moving plate, a table seat, a transverse slide rail and a longitudinal slide rail, wherein the upper end sides of the reference table are provided with two sets of longitudinal slide rails, the upper ends of the longitudinal slide rails are slidably connected with the moving plate, the upper end of the moving plate is provided with the transverse slide rail, and the upper end of the transverse slide rail is provided with the table seat.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The utility model discloses a height adjusting assembly, and the double -end screw rod is rotated by screwing the adjusting disc, the double -end screw rod drives the moving seat to move in the middle of the base, and the rotating seat on the upper end of the moving seat pushes the push plate to rotate, and the push plate pushes the stand plate no.
[0013] 2、The utility model discloses a position adjusting assembly, and the micrometer is fixed on the table seat through the bolt, the table seat moves horizontally on the transverse slide rail, the moving plate moves vertically on the longitudinal slide rail, the micrometer on the table seat is adjusted at any position, the detection range is improved, and the detection precision is guaranteed. ACCURACY
[0014] Fig. 1 It is the structural schematic diagram of the utility model;
[0015] Fig. 2 It is the structural schematic diagram of the height adjusting assembly of the utility model;
[0016] Fig. 3 It is the structural schematic diagram of the position adjusting assembly of the utility model;
[0017] In the drawing: 1, reference table;2, position adjusting assembly;21, moving plate;22, table seat;23, transverse slide rail;24, longitudinal slide rail;3, height adjusting assembly;31, connecting seat;32, push plate;33, rotating seat;34, moving seat;35, base;36, double -end screw rod;37, adjusting disc;4, limit guide rod;5, air cylinder;6, push block;7, connecting block;8, push rod;9, stand plate no. 10, fixed column;11, fixed disc;12, stand plate two. CONCRETE IMPLEMENTATION
[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment 1
[0019] Please refer to Figs. 1-3 The utility model provides the following technical scheme: a stable form position tolerance detection jig, including datum table 1, datum table 1's upper end both sides are provided with height adjusting assembly 3, the height adjusting assembly 3 of datum table 1 upper end one side is connected with vertical board no. 9 in the middle, the height adjusting assembly 3 of datum table 1 upper end the other side is connected with vertical board no. 12 in the middle, and the side of vertical board no. 12 is provided with fixed disc 11, and the side support of vertical board no. 9 is provided with pneumatic cylinder 5, and the movable rod of pneumatic cylinder 5 is connected with push block 6, and the middle swing of vertical board no. 9 is connected with push rod 8, and the end close to fixed disc 11 of push rod 8 is provided with fixed column 10, and the end close to push block 6 of push rod 8 is provided with connecting block 7, and the upper end side of datum table 1 is provided with position adjusting assembly 2.
[0020] Specifically, height adjusting assembly 3 includes connecting seat 31, push plate 32, rotating seat 33, moving seat 34, base 35, double-head screw rod 36 and adjusting disc 37, wherein the middle of base 35 is provided with double-head screw rod 36, the two ends of double-head screw rod 36 are provided with adjusting disc 37, the surface of double-head screw rod 36 is provided with moving seat 34 on both sides, the upper end of moving seat 34 is provided with rotating seat 33, rotating seat 33 is rotatably connected with push plate 32 in the middle, and the other end of push plate 32 is connected with connecting seat 31.
[0021] By adopting the above technical scheme, rotating adjusting disc 37 makes double-head screw rod 36 rotate, double-head screw rod 36 drives moving seat 34 to move in the middle of base 35, rotating seat 33 at the upper end of moving seat 34 pushes push plate 32 to rotate, push plate 32 pushes vertical board no. 9 and vertical board no. 12 to move respectively through connecting seat 31, the distance between fixed column 10 and fixed disc 11 and the upper surface of datum table 1 changes, and different sizes are convenient to fix.
[0022] Specifically, the upper end of connecting seat 31 is connected with the bottom of vertical board no. 9 and vertical board no. 12 respectively through fastening bolts.
[0023] By adopting the above technical scheme, it is ensured that push plate 32 pushes vertical board no. 9 and vertical board no. 12 to move respectively through connecting seat 31, the distance between fixed column 10 and fixed disc 11 and the upper surface of datum table 1 changes.
[0024] Specifically, the two sides of the push rod 8 are provided with limiting guide rods 4, and the limiting guide rods 4 are in sliding connection with the vertical plates 9.
[0025] By adopting the above technical scheme, the cylinder 5 pushes the push block 6 to move, the push block 6 pushes the connecting block 7 to make the push rod 8 drive the fixed column 10 to move, and the movement is stable.
[0026] In use, according to the size of the detected part, the height of the vertical plate 9 and the vertical plate 12 is adjusted, the adjusting disc 37 is screwed to make the double-head screw rod 36 rotate, the double-head screw rod 36 drives the moving seat 34 to move in the middle of the base 35, the rotating seat 33 at the upper end of the moving seat 34 pushes the push plate 32 to rotate, the push plate 32 pushes the vertical plate 9 and the vertical plate 12 to move through the connecting seat 31, the distance between the fixed column 10 and the fixed disc 11 and the upper surface of the reference table 1 is changed, different sizes are fixed, the cylinder 5 pushes the push block 6 to move, the push block 6 pushes the connecting block 7 to make the push rod 8 drive the fixed column 10 to move, the fixed column 10 and the fixed disc 11 cooperate to clamp the part, and the tolerance detection is facilitated. Embodiment 2
[0027] The difference between the embodiment and the embodiment 1 is that the position adjusting assembly 2 comprises a moving plate 21, a table seat 22, a transverse sliding rail 23 and a longitudinal sliding rail 24, wherein the upper end side of the reference table 1 is provided with two groups of longitudinal sliding rails 24, the upper end of the longitudinal sliding rail 24 is in sliding connection with the moving plate 21, the upper end of the moving plate 21 is provided with the transverse sliding rail 23, and the upper end of the transverse sliding rail 23 is provided with the table seat 22.
[0028] By adopting the above technical scheme, the micrometer is fixed on the table seat 22 through bolts, the table seat 22 moves transversely on the transverse sliding rail 23, the moving plate 21 moves longitudinally on the longitudinal sliding rail 24, the micrometer on the table seat 22 is adjusted at any position, and the detection range is improved.
[0029] Specifically, the table seat 22 is provided with a damping pad at the connection position with the transverse sliding rail 23, and the moving plate 21 is provided with a damping pad at the connection position with the longitudinal sliding rail 24.
[0030] By adopting the above technical scheme, the resistance is increased, and the table seat 22 and the moving plate 21 are prevented from moving easily.
[0031] In use, the micrometer is fixed on the table seat 22 through bolts, the table seat 22 moves transversely on the transverse sliding rail 23, the moving plate 21 moves longitudinally on the longitudinal sliding rail 24, the micrometer on the table seat 22 is adjusted at any position, and the detection range is improved.
[0032] The utility model discloses a working principle and use flow: the utility model uses, according to the size of the detection part, the height of vertical board no. 9 and vertical board no. 12 is adjusted, and screwing adjusting disc 37 makes double -end screw rod 36 rotate, and double -end screw rod 36 drives mobile seat 34 to move in the middle of base 35, and the rotation seat 33 of mobile seat 34 upper end pushes and drives push plate 32 to rotate, and push plate 32 pushes and drives vertical board no. 9 and vertical board no. 12 to move through connecting seat 31 respectively, and makes the fixed column 10 and fixed disc 11 distance benchmark platform 1 upper surface interval change, and the convenient fixed of different sizes, and cylinder 5 pushes and drives push block 6 to move, and push block 6 pushes and drives connecting block 7 to make push rod 8 drive fixed column 10 to move, and fixed column 10 and fixed disc 11 cooperate and clamping part, and the convenient public difference detection, and the micrometer is fixed on the table seat 22 through bolt, and the table seat 22 carries out horizontal movement in horizontal slide rail 23, and the moving plate 21 carries out longitudinal movement on longitudinal slide rail 24, so that the micrometer on the table seat 22 is adjusted at any position, and the detection range is improved.
[0033] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A stable form tolerance detection jig for use, comprising a reference table (1), characterized in that: The upper end of the reference platform (1) is provided with height adjusting assemblies (3) on both sides, the middle of the height adjusting assembly (3) on one side of the upper end of the reference platform (1) is connected with a vertical plate one (9), the middle of the height adjusting assembly (3) on the other side of the upper end of the reference platform (1) is connected with a vertical plate two (12), the side of the vertical plate two (12) is provided with a fixed disc (11), the side of the vertical plate one (9) is provided with a cylinder (5), the movable rod of the cylinder (5) is connected with a push block (6), the middle of the vertical plate one (9) is movably connected with a push rod (8), the end of the push rod (8) close to the fixed disc (11) is provided with a fixed column (10), the end of the push rod (8) close to the push block (6) is provided with a connecting block (7), and the side of the upper end of the reference platform (1) is provided with a position adjusting assembly (2).
2. The use stable form tolerance inspection jig according to claim 1, characterized in that: The height adjusting assembly (3) comprises a connecting seat (31), a push plate (32), a rotating seat (33), a moving seat (34), a base (35), a double-head screw rod (36) and an adjusting disc (37), wherein the middle of the base (35) is provided with the double-head screw rod (36), the two ends of the double-head screw rod (36) are provided with the adjusting disc (37), the surfaces of the double-head screw rod (36) are provided with the moving seat (34), the upper end of the moving seat (34) is provided with the rotating seat (33), the middle of the rotating seat (33) is movably connected with the push plate (32), and the other end of the push plate (32) is connected with the connecting seat (31).
3. The use stable form tolerance inspection jig according to claim 2, characterized in that: The upper end of the connecting seat (31) is connected with the bottoms of the vertical plate one (9) and the vertical plate two (12) by fastening bolts.
4. The use stable form tolerance inspection jig according to claim 1, characterized in that: The two sides of the push rod (8) are provided with limiting guide rods (4), and the limiting guide rods (4) are movably connected with the vertical plate one (9).
5. The use stable form tolerance inspection jig according to claim 1, characterized in that: The position adjusting assembly (2) comprises a moving plate (21), a surface seat (22), a horizontal slide rail (23) and a vertical slide rail (24), wherein the upper end of the reference platform (1) is provided with two groups of vertical slide rails (24), the upper end of the vertical slide rail (24) is movably connected with the moving plate (21), the upper end of the moving plate (21) is provided with the horizontal slide rail (23), and the upper end of the horizontal slide rail (23) is provided with the surface seat (22).
6. The use stable form tolerance inspection jig according to claim 5, characterized in that: The surface seat (22) is provided with a damping pad at the connecting position with the horizontal slide rail (23), and the moving plate (21) is provided with a damping pad at the connecting position with the vertical slide rail (24).