CN221006711U - Spring stiffness tester - Google Patents
Spring stiffness tester Download PDFInfo
- Publication number
- CN221006711U CN221006711U CN202322480033.8U CN202322480033U CN221006711U CN 221006711 U CN221006711 U CN 221006711U CN 202322480033 U CN202322480033 U CN 202322480033U CN 221006711 U CN221006711 U CN 221006711U
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- tray
- outer end
- fixedly connected
- spring
- pair
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- 238000009434 installation Methods 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000005483 Hooke's law Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a spring stiffness tester, which belongs to the technical field of spring detection and comprises a measuring sleeve and a mounting block, wherein the mounting block is in arc-shaped arrangement and is matched with the measuring sleeve, the outer end of the measuring sleeve is fixedly connected with the mounting block, a notch is formed at the outer end of the measuring sleeve, scales are carved at the outer end of the measuring sleeve close to the notch, a chassis is fixedly connected with the bottom end of the measuring sleeve, a fixing rod is fixedly connected to the top end of the chassis close to the center, a tray is arranged at the outer end of the fixing rod, a fixing assembly is arranged at the top end of the tray, two clamping plates are mutually close to clamp and fix a spring through the fixing assembly on the tray, then the fixing rod penetrates through the spring and the tray, the spring can be limited in the measuring sleeve, and when the spring is pressed, transverse distortion of the spring can be prevented, so that the detection precision can be improved, and errors can be reduced.
Description
Technical Field
The utility model relates to the technical field of spring detection, in particular to a spring stiffness tester.
Background
A spring rate meter is a device for measuring the spring rate. The spring rate refers to the relationship between the deformation of the spring under the force and the force, and can be understood as the deformation of the spring under the unit force. The spring rate is typically expressed in terms of a spring rate (spring constant) in newtons per meter (N/m). In using the spring rate sensing device, the spring to be tested is placed on the support device and then a known force is applied. The force sensor can measure the force exerted on the spring, the deformation measuring device can measure the deformation of the spring, and the rigidity of the spring can be calculated by measuring the relation between the force and the deformation.
Chinese patent grant bulletin number: CN216247085U provides a spring stiffness detection device, and this scheme can the joint be fixed through setting up fixture block and fixed block, fixture block and pressure sensor, and fastener and fixed block also can the draw-in groove joint, and fixture block and fixed block can make the spring easy to assemble and dismantle, can exert pressure to the spring through increasing hydraulic drive, and hydraulic drive can make the spring receive the compression at uniform velocity.
When the spring stiffness is measured, the spring is required to be deformed by pressure, the extruded spring is extremely easy to generate transverse distortion, the spring is pressed by the clamping block and the fixed block, the spring is easy to twist, the accuracy of the detection value is influenced, the spring is even bent and stressed to be ejected, and the spring stiffness detection is not facilitated, so that the spring stiffness tester is provided for the problems.
Disclosure of utility model
1. Technical problem to be solved
The utility model aims to solve the problems in the prior art and provide a spring stiffness tester, which enables two clamping plates to be close to each other through a fixing assembly on a tray to clamp and fix a spring, then enables a fixing rod to penetrate through the spring and the tray, and enables the spring to be limited in a measuring sleeve.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a spring rigidity apparatus, includes measurement sleeve and installation piece, the installation piece is the arc setting, installation piece and measurement sleeve assorted, measurement sleeve outer end and installation piece fixed connection, the breach is seted up to measurement sleeve outer end, and measurement sleeve outer end is close to breach department and is carved with the scale, measurement sleeve bottom fixedly connected with chassis, chassis top is close to center department fixedly connected with dead lever, the dead lever outer end is provided with the tray, the tray top is provided with fixed subassembly.
Further, tray outer end fixedly connected with handle, the handle cross-section is T shape setting, and the handle runs through the breach, the tray is located chassis top, the installation piece outer end is close to middle part fixedly connected with connecting rod, installation piece one end fixedly connected with base is kept away from to the connecting rod, installation piece and connecting rod are integrated into one piece setting.
Further, the dead lever outer end is provided with the weight dish, the weight dish is located the tray top, and weight dish outer end fixedly connected with pointer, the breach is run through to the pointer, weight dish and tray outer end are close to center department and all have been seted up the through-hole, a pair of equal fixedly connected with of through-hole inner wall a pair of slider, a pair of spout that is symmetric distribution has been seted up to the dead lever outer end, slider and spout sliding connection.
Further, the fixed subassembly includes fixed casing and two-way lead screw, fixed casing bottom and tray top fixed connection, two-way lead screw outer end is carved with the screw thread that a pair of opposite directions is opposite, two-way lead screw rotates with fixed casing inner wall to be connected.
Further, the fixed assembly further comprises a pair of movable blocks, one end of the bidirectional screw rod, far away from the fixed shell, is fixedly connected with a knob, the inner wall of the fixed shell is provided with a movable groove, and the movable blocks are both in sliding connection with the sliding groove.
Further, a pair of movable block outer ends all have seted up with two-way lead screw assorted screw hole, and a pair of movable block outer ends all fixedly connected with splint, a pair of splint outer ends all have seted up with dead lever assorted semicircle orifice.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the two clamping plates are mutually close to clamp and fix the spring through the fixing assembly on the tray, then the fixing rod penetrates through the spring and the tray, the spring can be limited in the measuring sleeve, and when the spring is pressed, transverse distortion of the spring can be prevented, so that the detection precision can be improved, and the error is reduced.
(2) According to the scheme, the weights are placed on the weight tray, so that the springs are compressed under pressure, then the scale values pointed by the pointer at the outer end of the measuring sleeve are recorded, the spring coefficient can be calculated through Hooke's law, the operation is simple, the steps are fewer, and the use convenience is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal perspective structure of the present utility model;
FIG. 3 is a schematic view of the tray and weight tray structure of the utility model;
Fig. 4 is a schematic structural view of a fixing assembly according to the present utility model.
The reference numerals in the figures illustrate:
1. Measuring the sleeve; 2. a fixed rod; 3. a mounting block; 4. a connecting rod; 5. a chassis; 6. a grip; 7. a base; 8. a tray; 9. a fixing assembly; 901. a fixed housing; 902. a two-way screw rod; 903. a clamping plate; 904. a movable block; 905. a knob; 10. a weight tray; 11. a pointer; 12. a sliding block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
Referring to fig. 1-3, a spring stiffness tester comprises a measuring sleeve 1 and a mounting block 3, wherein the mounting block 3 is in an arc-shaped arrangement, the mounting block 3 is matched with the measuring sleeve 1, the outer end of the measuring sleeve 1 is fixedly connected with the mounting block 3, a notch is formed in the outer end of the measuring sleeve 1, scales are formed in the outer end of the measuring sleeve 1, which is close to the notch, a chassis 5 is fixedly connected with the bottom end of the measuring sleeve 1, a fixing rod 2 is fixedly connected with the top end of the chassis 5, which is close to the center, a tray 8 is arranged at the outer end of the fixing rod 2, and a fixing assembly 9 is arranged at the top end of the tray 8.
The outer end fixedly connected with handle 6 of tray 8, handle 6 cross-section are T shape setting, and handle 6 runs through the breach, and tray 8 is located chassis 5 top, and the installation piece 3 outer end is close to middle part fixedly connected with connecting rod 4, and installation piece 3 one end fixedly connected with base 7 is kept away from to connecting rod 4, and installation piece 3 and connecting rod 4 are integrated into one piece setting.
The dead lever 2 outer end is provided with weight dish 10, and weight dish 10 is located tray 8 top, and weight dish 10 outer end fixedly connected with pointer 11, and pointer 11 runs through the breach, and weight dish 10 and tray 8 outer end are close to the center department and all have been seted up the through-hole, and a pair of slider 12 of equal fixedly connected with of a pair of through-hole inner wall, and a pair of spout that is symmetric distribution has been seted up to the dead lever 2 outer end, slider 12 and spout sliding connection.
The device in the scheme can calculate the spring coefficient by using Hooke's law by recording the compressed length of the spring and the applied gravity, and the expression delta F= -kdelta s is directly proportional to the elongation or compression of the spring when the spring is elastically deformed.
The measuring sleeve 1 is the main part of the device, and measuring sleeve 1 is connected with base 7 through installation piece 3 and connecting rod 4, and the spring is fixed on tray 8 at first to the use, because the special shape of spring just can make two splint 903 fix the spring centre gripping through rotatory knob 905.
Then, the round hole on the tray 8 can be aligned with the fixed rod 2, and the sliding block 12 matched with the sliding groove on the fixed rod 2 is arranged on the inner side of the round hole of the tray 8, so that the tray 8 and the spring can slide to the bottom end of the measuring sleeve 1 along the fixed rod 2 to be abutted with the chassis 5, and meanwhile, the handle 6 on the tray 8 is aligned with the notch on the measuring sleeve 1, thereby preventing the spring from generating transverse distortion when the pressure is applied, improving the measuring precision and reducing the error.
At this time, the round hole on the weight disc 10 is aligned with the fixed rod 2 to enable the fixed rod to slide down to contact with the top end of the spring, the pointer 11 at the outer end of the same weight disc 10 is also aligned with the notch at the outer end of the measuring sleeve 1, at this time, the initial length of the spring is recorded through the scale pointed by the pointer 11, then the weight is added on the weight disc 10, meanwhile, the mass of the weight is recorded, the mass and the length of the spring are recorded through adding the weight for a plurality of times, the rigidity of the spring can be calculated through Hooke's law, after the detection is finished, the spring and the weight can be taken out from the measuring sleeve 1 by holding the handle 6 to lift upwards.
Referring to fig. 4, the fixing assembly 9 includes a fixing housing 901 and a bidirectional screw 902, wherein the bottom end of the fixing housing 901 is fixedly connected with the top end of the tray 8, a pair of threads with opposite directions are engraved on the outer end of the bidirectional screw 902, and the bidirectional screw 902 is rotatably connected with the inner wall of the fixing housing 901.
The fixed assembly 9 further comprises a pair of movable blocks 904, one end, far away from the fixed shell 901, of the bidirectional screw rod 902 is fixedly connected with a knob 905, a movable groove is formed in the inner wall of the fixed shell 901, and the pair of movable blocks 904 are both in sliding connection with the sliding groove.
Screw holes matched with the bidirectional screw rod 902 are formed in the outer ends of the movable blocks 904, clamping plates 903 are fixedly connected to the outer ends of the movable blocks 904, and semicircular holes matched with the fixed rods 2 are formed in the outer ends of the clamping plates 903.
The fixed shell 901 in this scheme is connected with tray 8, just can make it drive two-way lead screw 902 rotation through rotating knob 905, because two movable blocks 904 are threaded connection with two-way lead screw 902, consequently the two movable blocks 904 of pivoted two-way lead screw 902 will make the opposite direction move, movable block 904 slides in fixed shell 901, just can drive splint 903 motion, the semicircle orifice of seting up on two splint 903 is for not receiving the barrier of dead lever 2 when closing, consequently just can make splint 903 pass the gap of spring, fix it, through the cooperation with dead lever 2, just can reach the purpose that prevents spring distortion.
Working principle: when the device is used, firstly, the tray 8 and the weight tray 10 are required to be taken out from the measuring sleeve 1, then the spring is fixed on the tray 8, the two-way screw rod 902 can be driven to rotate by rotating the knob 905, because the two movable blocks 904 are in threaded connection with the two-way screw rod 902, the two movable blocks 904 can be driven to do opposite movement by the rotating two-way screw rod 902, the clamping plate 903 can be driven to move to clamp and fix the spring, then the round hole on the tray 8 can be aligned with the fixed rod 2, the tray 8 and the spring can slide to the bottom end of the measuring sleeve 1 along the fixed rod 2, the purpose of preventing the spring from being distorted can be achieved through the cooperation with the fixed rod 2, at the moment, the round hole on the weight tray 10 is also aligned with the fixed rod 2 to be in contact with the top end of the spring, at the moment, the initial length of the spring is recorded through the scales indicated by the pointer 11, the weights are added on the weight tray 10, the weights are recorded, the mass and the length of the spring can be calculated through the hooke law.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (1)
1. The utility model provides a spring rigidity apparatus, includes measurement sleeve (1) and installation piece (3), its characterized in that: the utility model discloses a weight, including installation piece (3), tray (8), handle (6) cross-section is T shape setting, and handle (6) run through the breach, tray (8) are located chassis (5) top, installation piece (3) outer end is close to middle part fixedly connected with connecting rod (4), installation piece (3) one end fixedly connected with base (7) are kept away from to connecting rod (4), tray (5) top is close to center part fixedly connected with dead lever (2), dead lever (2) outer end is provided with tray (8), tray (8) top is provided with fixed subassembly (9), tray (8) outer end fixedly connected with handle (6), handle (6) cross-section is T shape setting, and handle (6) run through the breach, tray (8) are located chassis (5) top, installation piece (3) outer end is close to middle part fixedly connected with connecting rod (4), tray (4) one end fixedly connected with base (7), installation piece (3) and connecting rod (4) are close to center part fixedly connected with dead lever (2), weight (10) are located tray (10) outer end (10), the pointer (11) runs through the breach, weight dish (10) and tray (8) outer end are close to center department and all have been seted up the through-hole, a pair of equal fixedly connected with slider (12) of through-hole inner wall, a pair of spout that is symmetric distribution is seted up to dead lever (2) outer end, slider (12) and spout sliding connection, fixed subassembly (9) are including fixed casing (901) and two-way lead screw (902), fixed casing (901) bottom and tray (8) top fixed connection, two-way lead screw (902) outer end is carved with the screw thread that a pair of opposite direction is opposite, two-way lead screw (902) are connected with fixed casing (901) inner wall rotation, fixed subassembly (9) still include a pair of movable block (904), fixed casing (901) one end fixedly connected with knob (904) are kept away from to two-way lead screw (902), fixed casing (901) inner wall has seted up the movable groove, a pair of movable block (904) all with sliding groove sliding connection, a pair of movable block (904) outer end all has been equipped with a pair of screw hole (903) and has two-way half-round hole (903) to match with outer end (902) outer half-round hole (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322480033.8U CN221006711U (en) | 2023-09-13 | 2023-09-13 | Spring stiffness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322480033.8U CN221006711U (en) | 2023-09-13 | 2023-09-13 | Spring stiffness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006711U true CN221006711U (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322480033.8U Active CN221006711U (en) | 2023-09-13 | 2023-09-13 | Spring stiffness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120232326A (en) * | 2025-05-29 | 2025-07-01 | 潍坊市计量技术研究院 | A flatness measuring device for engineering |
-
2023
- 2023-09-13 CN CN202322480033.8U patent/CN221006711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120232326A (en) * | 2025-05-29 | 2025-07-01 | 潍坊市计量技术研究院 | A flatness measuring device for engineering |
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