Torsion spring detection device with limiting function
By designing multiple sets of torsion spring testing devices with different diameter limit rods and pin structures, the problem of existing technologies being unable to adapt to the testing of multiple torsion spring models has been solved, and stable and safe testing of multiple sets of torsion springs has been achieved.
Patent Information
- Application Number
- CN202420446937.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-08
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-08
AI Technical Summary
The existing torsion spring testing platform cannot adapt to the testing of multiple different models of torsion springs, and the application range of the limit fixing shaft is limited, resulting in insufficient practicality.
A torsion spring detection device with limiting function was designed. It adopts multiple sets of limiting rods and pin structures with different diameters, combined with detection electric push rods and push plates, which can adapt to the detection of different models of torsion springs. The stable fixation of multiple sets of torsion springs is achieved by the insertion of the limiting rods and the action of the electric push rods.
This technology enables stable testing of multiple sets of torsion springs of different models, improving the practicality and safety of the testing process and preventing injury to workers from torsion spring fragments during testing.
Smart Images
Figure CN222336738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of torsion spring detection, in particular to a torsion spring detection device with a limiting function. Background Art
[0002] Torsion springs are torsion springs. Among all spring types, torsion springs have a more complex design principle and a more dynamic change in type, so the theory involved in design is also the most complicated. Torsion springs belong to spiral springs. The ends of torsion springs are fixed to other components. When other components rotate around the center of the spring, the spring pulls them back to their original position, generating torque or rotational force.
[0003] Torsion springs require corresponding testing before leaving the factory or in research. There is a torsion spring testing platform with a Chinese patent publication number of CN211784251U, which solves the problem that the existing torsion spring testing platform cannot test multiple torsion springs, multiple torsion springs are prone to shifting during testing, and the broken fragments of torsion springs that do not meet the quality standards are easy to injure nearby staff.
[0004] However, since the device limits the fixed shaft to a constant outer diameter, its scope of use is limited and its practicality is insufficient. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the deficiencies in the prior art, the utility model provides a torsion spring detection device with a limiting function, which can be equipped with an installation mechanism for multiple groups of different limiting rods, can adapt to the detection of different types of coil springs, and improves practicality.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a torsion spring detection device with a limiting function, comprising a base, a detection box, a detection electric push rod and a push piece, the middle part of the top end of the base is connected to the bottom end of the detection box, and a group of detection electric push rods are respectively connected to the middle parts of the front and rear sides of the inside of the detection box, and the output ends of the two groups of detection electric push rods are respectively connected to the middle parts of the outer ends of a group of push pieces, and also include a through ring, a pin sleeve, a limiting rod and a latch, the inner side of the middle part of the left end of the detection box is connected to the outer side of the through ring, the middle part of the right end of the detection box is connected to the inner end of the pin sleeve, the limiting rod is provided with multiple groups of different diameters, and the right end and the middle part of the limiting rod are connected to the inner end of the latch.
[0009] Preferably, it also includes a telescopic tube, a telescopic rod, an axle frame, a constraint shaft, a support roller, a tightening nut, a tightening screw and a tightening hand. The inner left middle side of the base is connected to the outer side of the telescopic tube, the inner side of the telescopic tube is slidably connected to the outer side of the telescopic rod upward, the upper and middle part of the left end of the telescopic tube is connected to the inner end of the tightening nut, the inner wall of the tightening nut is threadedly connected to the outer wall of the tightening screw, the outer end of the tightening screw is connected to the middle part of the inner end of the tightening hand, the top end of the telescopic rod is connected to the middle part of the bottom end of the axle frame, and the inner side of the axle frame is rotatably connected to the middle part of the outer side of the support roller via the constraint shaft.
[0010] Preferably, a push handle is further included, and the front and rear sides of the left end of the limiting rod are respectively connected to the inner sides of a group of push handles.
[0011] Preferably, it also includes a hinge, a box cover and a handle, the rear side of the top end of the detection box is movably connected to the bottom side end of the box cover through the hinge, and the middle part of the top side end of the box cover is connected to the inner side of the handle.
[0012] Preferably, it also includes a handle, a pin and a pin rack, the upper middle side of the outer end of the box cover is rotatably connected to the inner end of the handle, the output end of the handle is connected to one side of the inner end of the pin, and the rear middle side of the top end of the detection box is connected to the inner side of the pin rack.
[0013] Preferably, it also includes an observation window, and the inner side of the box cover is connected to the outer side of the observation window.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides a torsion spring detection device with a limit function, which has the following beneficial effects:
[0016] Select the corresponding limit rod according to the inner diameter of the coil spring to be tested, first pass one side of the pin of this group of limit rods through the ring, then sleeve multiple groups of coil springs on the outside of the limit rod inside the detection box, place the two arms of the coil spring on the front and back sides respectively, and insert the pin to the right into the inside of the pin sleeve to fix the limit rod, and then detect that the electric push rod acts on multiple groups of coil springs at the same time through the push piece, so as to detect. The installation mechanism of multiple groups of different limit rods can be set to adapt to the detection of different types of coil springs, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;
[0018] Figure 2 For this utility model Figure 1 Front view of
[0019] Figure 3 For this utility model Figure 1 The top view of
[0020] Figure 4 For this utility model Figure 1Left view of .
[0021] Markings in the attached drawings: 1. Base; 2. Inspection box; 3. Inspection electric push rod; 4. Push piece; 5. Through ring; 6. Pin sleeve; 7. Limit rod; 8. Latch; 9. Telescopic tube; 10. Telescopic rod; 11. Axle frame; 12. Constraint shaft; 13. Support roller; 14. Tightening screw sleeve; 15. Tightening screw; 16. Tightening wrench; 17. Push handle; 18. Hinge; 19. Box cover; 20. Handle; 21. Observation window; 22. Pin piece; 23. Pin frame; 24. Wrench. DETAILED DESCRIPTION
[0022] 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.
[0023] Example
[0024] See also Figure 1-4 A torsion spring detection device with a limiting function includes a base 1, a detection box 2, a detection electric push rod 3 and a push piece 4. The middle of the top of the base 1 is connected to the bottom of the detection box 2. A group of detection electric push rods 3 are respectively connected to the middle of the front and rear sides of the detection box 2. The output ends of the two groups of detection electric push rods 3 are respectively connected to the middle of the outer ends of a group of push pieces 4. It also includes a ring 5, a pin sleeve 6, a limit rod 7 and a pin 8. The inner side of the middle of the left end of the detection box 2 is connected to the outer side of the ring 5, and the middle of the right end of the detection box 2 is connected to the pin sleeve 6. The inner ends are connected, and the limit rod 7 is provided with multiple groups of different diameters. The right end and the middle part of the limit rod 7 are connected with the inner end of the pin 8; the corresponding limit rod 7 is selected according to the inner diameter of the coil spring to be detected, and one side of the pin 8 of this group of limit rods 7 is first passed through the ring 5, and then the multiple groups of coil springs are sleeved on the outside of the limit rod 7 inside the detection box 2, and the two arms of the coil spring are respectively placed on the front and rear sides, and the pin 8 is inserted to the right into the inner side of the pin sleeve 6 to fix the limit rod 7, and then the electric push rod 3 is detected to act on the multiple groups of coil springs at the same time through the push piece 4, so as to detect.
[0025] The base 1 also includes a telescopic tube 9, a telescopic rod 10, an axle frame 11, a constraint shaft 12, a support roller 13, a tightening screw sleeve 14, a tightening screw 15 and a tightening hand 16. The inner left middle side of the base 1 is connected to the outer side of the telescopic tube 9, the inner side of the telescopic tube 9 is upwardly slidably connected to the outer side of the telescopic rod 10, the upper middle part of the left end of the telescopic tube 9 is connected to the inner end of the tightening screw sleeve 14, the inner wall of the tightening screw sleeve 14 is screwed to the outer wall of the tightening screw 15, the outer end of the tightening screw 15 is connected to the middle of the inner end of the tightening hand 16, the top of the telescopic rod 10 is connected to the axle frame 11 The middle part of the bottom end is connected, and the inner side of the shaft frame 11 is rotatably connected with the middle part of the outer side of the support roller 13 through the constraint shaft 12; the telescopic rod 10 is slid inside the telescopic tube 9, and can be raised and lowered accordingly, so that the support roller 13 is supported on the bottom end of the limit rod 7, and the tightening handle 16 is turned to rotate the tightening screw 15. The tightening screw 15 is threadedly matched with the tightening screw sleeve 14 to act inward on the outer side of the telescopic rod 10 to tighten. At this time, the limit rod 7 can also be constrained by the constraint shaft 12 through the support roller 13 to rotate in the shaft frame 11 for auxiliary movement, thereby improving stability.
[0026] It also includes a push handle 17. The front and rear sides of the left end of the limiting rod 7 are respectively connected to the inner sides of a group of push handles 17. By holding the two groups of push handles 17, it is convenient to connect the limiting rod 7 and move it, thereby improving convenience.
[0027] It also includes a hinge 18, a box cover 19 and a handle 20. The rear side of the top end of the detection box 2 is movably connected to the bottom side end of the box cover 19 through the hinge 18, and the middle part of the top side end of the box cover 19 is connected to the inner side of the handle 20. By holding the handle 20, the box cover 19 can be opened and closed under the constraint of the hinge 18. When the box cover 19 is opened, it is convenient to operate the inside of the detection box 2. When the box cover 19 is closed, it can be externally protected to improve reliability.
[0028] It also includes a knob 24, a pin 22 and a pin rack 23. The upper middle side of the outer end of the box cover 19 is rotatably connected to the inner end of the knob 24, the output end of the knob 24 is connected to one side of the inner end of the pin 22, and the rear middle side of the top end of the inner part of the detection box 2 is connected to the inner side of the pin rack 23; when the box cover 19 is closed, the knob 24 is turned to rotate the pin 22 to pin it into the pin rack 23, so that the box cover 19 is closed and locked, thereby improving reliability.
[0029] The box cover 19 also includes an observation window 21, and the inner side of the box cover 19 is connected to the outer side of the observation window 21; when the box cover 19 is closed, the inside can be observed through the observation window 21, which improves convenience.
[0030] In summary, when a torsion spring detection device with a limiting function is used, the corresponding limiting rod 7 is selected according to the inner diameter of the coil spring to be detected, and the telescopic rod 10 is slid inside the telescopic tube 9, which can be raised and lowered accordingly, so that the supporting roller 13 is supported at the bottom end of the limiting rod 7, and the tightening hand 16 is screwed to rotate the tightening screw 15. The tightening screw 15 is screwed with the tightening screw sleeve 14 to act inward on the outer side of the telescopic rod 10 to tighten. At this time, the limiting rod 7 can also be constrained by the constraining shaft 12 through the supporting roller 13 to rotate in the shaft frame 11 for auxiliary movement, and the group of limiting rods is held by holding the push handle 17. One side of the latch pin 8 of 7 first passes through the ring 5, and then the multiple sets of coil springs are sleeved on the outside of the limit rod 7 inside the detection box 2, and the two arms of the coil spring are placed on the front and rear sides respectively, and the latch pin 8 is inserted to the right on the inside of the pin sleeve 6 to fix the limit rod 7, and the handle 20 is held to close the box cover 19 under the constraint of the hinge 18. By twisting the handle 24, the pin piece 22 can be rotated and pinned into the pin rack 23, so that the box cover 19 is closed and locked, and then the electric push rod 3 is detected to act on the multiple sets of coil springs at the same time through the push piece 4, so as to detect that when the box cover 19 is closed, it can be observed inward through the observation window 21 to improve convenience.
[0031] This detection electric push rod 3 is a well-known device for technicians in this field that is directly purchased on the market. Here we just use it without making any improvements to its structure and function, so we will not go into details here.
[0032] 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 torsion spring detection device with a limit function, comprising a base (1), a detection box (2), a detection electric push rod (3) and a push piece (4), wherein the middle of the top end of the base (1) is connected to the bottom end of the detection box (2), a group of detection electric push rods (3) are respectively connected to the middle of the front and rear sides of the detection box (2), and the output ends of the two groups of detection electric push rods (3) are respectively connected to the middle of the outer end of a group of push pieces (4), characterized in that: It also comprises a through ring (5), a pin sleeve (6), a limiting rod (7) and a latch (8); the inner side of the middle part of the left end of the detection box (2) is connected to the outer side of the through ring (5); the middle part of the right end of the detection box (2) is connected to the inner end of the pin sleeve (6); the limiting rod (7) is provided with a plurality of groups of different diameters; the right end and the middle part of the limiting rod (7) are connected to the inner end of the latch (8).
2. A torsion spring detection device with a limit function according to claim 1, characterized in that: The invention also comprises a telescopic tube (9), a telescopic rod (10), an axle frame (11), a constraint shaft (12), a supporting roller (13), a tightening screw sleeve (14), a tightening screw rod (15) and a tightening hand (16). The inner part of the left middle side of the base (1) is connected to the outer side of the telescopic tube (9), the inner side of the telescopic tube (9) is upwardly slidably connected to the outer side of the telescopic rod (10), the middle and upper part of the left end of the telescopic tube (9) is connected to the inner end of the tightening screw sleeve (14), the inner wall of the tightening screw sleeve (14) is screwedly connected to the outer wall of the tightening screw rod (15), the outer end of the tightening screw rod (15) is connected to the middle part of the inner end of the tightening hand (16), the top end of the telescopic rod (10) is connected to the middle part of the bottom end of the axle frame (11), and the inner side of the axle frame (11) is rotatably connected to the middle part of the outer side of the supporting roller (13) via the constraint shaft (12).
3. The torsion spring detection device with a limit function according to claim 1, characterized in that: It also comprises a handle (17), and the front and rear sides of the left end of the limiting rod (7) are respectively connected to the inner sides of a group of handles (17).
4. The torsion spring detection device with a limit function according to claim 1, characterized in that: It also comprises a hinge (18), a box cover (19) and a handle (20); the rear side of the top end of the detection box (2) is movably connected to the bottom side end of the box cover (19) via the hinge (18); the middle part of the top side end of the box cover (19) is connected to the inner side of the handle (20).
5. The torsion spring detection device with a limit function according to claim 4, characterized in that: It also includes a handle (24), a pin (22) and a pin rack (23); the upper middle side of the outer end of the box cover (19) is rotatably connected to the inner end of the handle (24); the output end of the handle (24) is connected to one side of the inner end of the pin (22); and the rear middle side of the top end of the detection box (2) is connected to the inner side of the pin rack (23).
6. A torsion spring detection device with a limit function according to claim 4, characterized in that: It also includes an observation window (21), and the inner side of the box cover (19) is connected to the outer side of the observation window (21).
Citation Information
Patent Citations
Torsion spring detection platform
CN211784251U