CN220932235U - Force measuring device - Google Patents

Abstract

The utility model discloses a force measuring device, which comprises a force measuring meter shell, wherein two groups of guide rods which are vertically distributed are fixed on the inner wall of the force measuring meter shell, a first movable plate is connected to the outer wall of the guide rods in a sliding manner, the first movable plate is connected with the inner wall of the force measuring meter shell through a force measuring spring, and a fixed hook extending out of the force measuring meter shell is fixed at the bottom end of the first movable plate; the outer wall of the dynamometer shell is fixedly provided with a graduated scale, and the limiting mechanism comprises a first fixing plate, a clamping groove, a fixing block and a clamping block. This force measuring device, the fixed hook can hang the heavy object to can drive fixed hook and first fly leaf downwardly moving through upwards pulling dynamometer, the force measuring spring of this moment can receive the tensile, thereby corresponds the position through first fly leaf and scale and carry out the dynamometry effect, fixes the position of first fly leaf under stop gear's effect, thereby be convenient for take out the back with the heavy object, can carry out both hands operation, realize data carefully observe, and the effect of data registration.

Description

Force measuring device

Technical Field

The utility model relates to the technical field of dynamometers, in particular to a force measuring device.

Background

The spring dynamometer is a tool for measuring force, and the principle is as follows: firstly, any measurement is a process of comparing a certain physical quantity with a standard (i.e. unit), and the measurement of force is a process of comparing the effect of force with the effect of known force; if the effect of one force is the same as that of 1N, the magnitude of the force is 1N; secondly, the extension of the spring is in direct proportion to the stressed size, and after the effect of the action of 1N force is determined, the effect of the action of the larger force and the smaller force is easily determined; in addition, the spring has good stability and can be reused; therefore, the force can be measured by using a spring dynamometer.

For example, chinese issued patent, publication No.: the utility model provides a spring dynamometer for physical experiments of CN204831642U, including the spring dynamometer body, and the pull rod of setting on the spring dynamometer body, and the hanger bar of setting on the spring dynamometer body, and the slide of setting on the spring dynamometer body, and the spring of setting on the spring dynamometer body, and the couple of setting on the spring dynamometer body, the symmetry is equipped with two slide rails on the inner wall of spring dynamometer body both sides, slidable is equipped with the slider in two slide rails, the slide is fixed on the slider, the thread bush has been set firmly to the slide lower part, hanger bar upper portion and thread bush cooperation, spring dynamometer body upper portion is equipped with sealed lid, spring dynamometer body lower part is equipped with sealed lid down, the hanger bar runs through sealed lid setting down, be equipped with fixed cover on the hanger bar outside the sealed lid down, couple upper portion is equipped with the screw rod with fixed cover screw-thread fit.

The load cell described above requires that a weight is hung on a hanger when in use and the measured force is known by observing the value, however, when one person performs a one-hand operation, the detected data is required to be registered, and after the detection, the measured data is inconvenient to perform positioning control, thus causing a problem of errors in the recording process.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a force measuring device, which is characterized in that a first movable plate, a guide rod, a force measuring spring, a fixed hook, a graduated scale and a limiting mechanism are arranged for combined use, the fixed hook can hang a heavy object and can drive the fixed hook and the first movable plate to move downwards by pulling the force measuring meter upwards, the force measuring spring can be stretched, the force measuring effect is achieved by the position of the first movable plate corresponding to the graduated scale, the position of the first movable plate is fixed under the action of the limiting mechanism, so that after the heavy object is taken out, both hands can be operated, the advantages of data careful observation, data registration effect and the like are realized, and the problems of the background technology are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dynamometer device comprises a dynamometer shell, wherein two groups of guide rods which are vertically distributed are fixed on the inner wall of the dynamometer shell, a first movable plate is connected to the outer walls of the two groups of guide rods in a sliding manner, the first movable plate is connected with the inner wall of the dynamometer shell through a dynamometer spring, and a fixed hook extending out of the dynamometer shell is fixed at the bottom end of the first movable plate;

The utility model discloses a dynamometer shell outer wall is fixed with the scale, first fly leaf outer wall passes through stop gear and connects in the scale, stop gear includes first fixed plate, draw-in groove, fixed block and fixture block, the scale outer wall is fixed with first fixed plate, a plurality of groups draw-in groove have been seted up to first fixed plate inside, first fly leaf outer wall is fixed with the fixed block, the inside swing joint of fixed block has the fixture block corresponding with the draw-in groove.

Preferably, the outer wall of the clamping block is fixed with a second movable plate, the outer wall of the fixed block is fixed with a second fixed plate, and the second fixed plate is internally connected with a screw rod rotationally connected with the second movable plate in a threaded manner.

Preferably, the outer wall of the fixed block is provided with a groove, and the size of the groove is matched with that of the second movable plate.

Preferably, the movable hook is movably connected in the fixed hook, the movable hook is arc-shaped, and the radian of the movable hook is matched with that of the fixed hook.

Preferably, the inner wall of the fixed hook is in threaded connection with a limit bolt, and the limit bolt is attached to the outer wall of the movable hook.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. Through setting up first fly leaf, guide arm, force measurement spring, fixed hook, scale and stop gear combination use, the fixed hook can hang the heavy object to can drive fixed hook and first fly leaf downwardly moving through upwards pulling dynamometer, thereby force measurement spring can receive the tensile this moment, thereby corresponds the position through first fly leaf and scale and carry out the force measurement effect, fix the position of first fly leaf under stop gear's effect, thereby be convenient for take out the back with the heavy object, can carry out both hands operation, realize data carefully observe, and the effect of data registration.

2. Through setting up movable hook and stop bolt combination and use, movable hook can stretch out and draw back in the fixed hook inside to can fix the position of movable hook through rotatory stop bolt, ensure that movable hook can not take place to drop, this kind of mode can increase the anti-drop effect of goods, promoted the purpose of use of equipment.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

Fig. 4 is a schematic view showing the structure of the movable hook in the extended state.

In the figure: 1. a dynamometer housing; 211. a first movable plate; 212. a guide rod; 213. a force measuring spring; 214. a fixed hook; 215. a graduated scale; 216. a first fixing plate; 217. a clamping groove; 218. a fixed block; 219. a clamping block; 220. a second movable plate; 221. a second fixing plate; 222. a screw; 311. a movable hook; 312. and a limit bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, a force measuring device comprises a force measuring meter shell 1, two groups of guide rods 212 vertically distributed are fixed on the inner wall of the force measuring meter shell 1, a first movable plate 211 is slidably connected to the outer wall of the two groups of guide rods 212, the first movable plate 211 is connected with the inner wall of the force measuring meter shell 1 through a force measuring spring 213, a fixing hook 214 extending out of the force measuring meter shell 1 is fixed at the bottom end of the first movable plate 211, the fixing hook 214 can hang a heavy object, so that the fixing hook 214 and the first movable plate 211 are pressed down to drive the force measuring spring 213 to stretch, the force measuring effect can be achieved, a graduated scale 215 is fixed on the outer wall of the force measuring meter shell 1, the outer wall of the first movable plate 211 is connected to the graduated scale 215 through a limiting mechanism, the force measuring spring 213 corresponds to the graduated scale 215, the detection effect can be achieved, and after the heavy object is taken under the effect of the limiting mechanism, the data can be observed continuously, and the operation is more time-saving and labor-saving.

The limiting mechanism comprises a first fixing plate 216, a clamping groove 217, a fixing block 218 and a clamping block 219, wherein the first fixing plate 216 is fixed on the outer wall of the graduated scale 215, a plurality of groups of clamping grooves 217 are formed in the first fixing plate 216, the fixing block 218 is fixed on the outer wall of the first movable plate 211, the clamping block 219 corresponding to the clamping groove 217 is movably connected inside the fixing block 218, the clamping block 219 is inserted into the clamping groove 217 corresponding to the clamping block 219 by pushing the clamping block 219, and the position of the force measuring spring 213 can be fixed, so that the force measuring spring 213 is limited to move, and the aim of good limiting is achieved. The second movable plate 220 is fixed on the outer wall of the clamping block 219, the second fixed plate 221 is fixed on the outer wall of the fixed block 218, the screw 222 rotationally connected with the second movable plate 220 is connected with the second fixed plate 221 through threads, the second movable plate 220 and the clamping block 219 can be pushed to move under the action of the threads through rotating the screw 222, the operation is more comfortable, and the use is simpler and more convenient. The outer wall of the fixed block 218 is provided with a groove, the size of the groove is matched with that of the second movable plate 220, and the second movable plate 220 can be conveniently moved by the groove, so that the operation is more comfortable.

The movable hook 311 is movably connected inside the fixed hook 214, the movable hook 311 is arc-shaped and the radian is matched with the fixed hook 214, and the movable hook 311 can extend out of the fixed hook 214 so as to limit the falling of the suspended weight, thereby achieving a better protection purpose. The fixed hook 214 inner wall threaded connection has limit bolt 312, and limit bolt 312 is laminated mutually with movable hook 311 outer wall, can extrude movable hook 311 through rotatory limit bolt 312 to ensure that movable hook 311 can not take place to rock, reaches better stability.

Working principle: when the movable hook is needed to be used, the movable hook 311 is in a state shown in fig. 4 by hanging the heavy object on the fixed hook 214 and then pulling the movable hook 311 upwards, and the limit bolt 312 is rotated, so that the limit bolt 312 can squeeze the movable hook 311, the movable hook 311 is prevented from falling, a better protection effect is achieved, and the heavy object can be prevented from falling off;

Subsequently, the dynamometer casing 1 is pulled upwards, the fixing hook 214 can be moved downwards, the first movable plate 211 is driven to move downwards, the dynamometer spring 213 is driven to stretch, the first movable plate 211 at this time can correspond to the graduated scale 215, the measuring effect is achieved, the screw 222 is driven by the rotating screw 222 to move the second movable plate 220 and the clamping block 219 under the action of threads, the clamping block 219 is driven to be inserted into the clamping groove 217, the position of the first movable plate 211 is fixed, and a worker can conveniently carefully observe and record data.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Force measuring device comprising a force meter housing (1), characterized in that: two groups of guide rods (212) which are vertically distributed are fixed on the inner wall of the dynamometer shell (1), a first movable plate (211) is connected to the outer wall of the two groups of guide rods (212) in a sliding mode, the first movable plate (211) is connected with the inner wall of the dynamometer shell (1) through a dynamometer spring (213), and a fixed hook (214) extending out of the dynamometer shell (1) is fixed at the bottom end of the first movable plate (211); the utility model discloses a dynamometer casing (1) outer wall is fixed with scale (215), first fly leaf (211) outer wall is connected in scale (215) through stop gear, stop gear includes first fixed plate (216), draw-in groove (217), fixed block (218) and fixture block (219), scale (215) outer wall is fixed with first fixed plate (216), a plurality of groups draw-in groove (217) have been seted up to inside first fixed plate (216), first fly leaf (211) outer wall is fixed with fixed block (218), inside swing joint of fixed block (218) has fixture block (219) corresponding with draw-in groove (217).

2. A force measuring device according to claim 1, characterized in that: the fixture block (219) outer wall is fixed with second fly leaf (220), fixed block (218) outer wall is fixed with second fixed plate (221), inside threaded connection of second fixed plate (221) has screw rod (222) with second fly leaf (220) rotation connection.

3. A force measuring device according to claim 2, characterized in that: the outer wall of the fixed block (218) is provided with a groove, and the size of the groove is matched with that of the second movable plate (220).

4. A force measuring device according to claim 1, characterized in that: the movable hook (311) is movably connected inside the fixed hook (214), the movable hook (311) is arc-shaped, and the radian of the movable hook is matched with that of the fixed hook (214).

5. A force measuring device according to claim 4, characterized in that: the inner wall of the fixed hook (214) is connected with a limit bolt (312) in a threaded manner, and the limit bolt (312) is attached to the outer wall of the movable hook (311).