CN208443502U - A kind of Physical Experiment dynamometer - Google Patents

Abstract

The utility model discloses a kind of Physical Experiment dynamometers, it is related to dynamometer technical field, it includes shell, the left and right sides of the inner walls are fixedly connected with the left and right sides of the first transverse slat respectively, the lower surface of first transverse slat offers the first placing groove, the upper surface of first placing groove inner wall and the upper surface of the first link block overlap, and the upper surface of the first link block opens up that there are two the first grooves.The Physical Experiment dynamometer, pass through the cooperation between the first link block, the first placing groove, the second link block, the second placing groove, snap-gauge, the second groove, card slot and the second elastic device, after the second slide bar and exact separation, people can pull to the left the second link block, it takes out then up, the disassembly to second spring is just completed at this time, people do not have to expend the excessive time in maintenance second spring, people can quickly replace second spring, thereby may be ensured that the efficiency that people attend class.

Description

A kind of Physical Experiment dynamometer

Technical field

The utility model relates to dynamometer technical field, specially a kind of Physical Experiment dynamometer.

Background technique

Weight beam is a kind of tool of the size of dynamometry, applies to physical mechanics, mainly by spring, hook and scale Disk is constituted.It is in using preceding and use it is noted that some items.

Some need uses weight beam in Physical Experiment, and the spring of weight beam used in experiment is mostly fixed Connection, while the elastic limit of spring is smaller, and people, sometimes may be because of when being tested using weight beam The object of measurement is overweight, to cause the damage of spring, and then needs to expend the more time and removes maintenance weight beam, in turn It will affect the progress that people attend class.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of Physical Experiment dynamometer, the bullet solved Spring dynamometer upper spring is fixedly connected, while the elastic limit of spring is smaller, sometimes probably due to the object mistake of measurement The problem of damaging spring again, needing people to expend the more time and go to repair, and then the progress that people attend class can be reduced.

(2) technical solution

To achieve the above objectives, the technical scheme adopted by the utility model is that: a kind of Physical Experiment dynamometer, including shell Body, the left and right sides of the inner walls are fixedly connected with the left and right sides of the first transverse slat respectively, the following table of the first transverse slat Face offers the first placing groove, and the upper surface of the first placing groove inner wall and the upper surface of the first link block overlap, the first link block Upper surface open up there are two the first groove, the lower surface of the first groove inner wall offers the second groove, the second groove inner wall Left side and the left side of snap-gauge overlap, and the upper surface of snap-gauge is fixedly connected with the lower surface of connecting plate, the right side of connecting plate It is connected with the first elastic device, the both ends of the first elastic device are fixedly connected with the left and right sides of first through hole inner wall respectively, First through hole is provided with the upper surface of the first placing groove inner wall.

The upper surface of connecting plate is fixedly connected with the lower surface of pull ring, the lower surface of the first link block by second spring with The upper surface of second link block is fixedly connected, and the lower surface of the lower surface of the second link block and the second placing groove inner wall overlaps, the Two placing grooves are provided with the upper surface of the second transverse slat, and the right side of the second placing groove inner wall offers third groove, the second connection The upper surface of block offers card slot, and the lower surface of card slot inner wall and the bottom end of the second elastic device overlap, the second elastic device Top passes through the second through-hole that third groove inner wall upper surface opens up and is fixedly connected with the lower surface of baffle, the second elastic device It is connected to the upper surface of L shaped plate, the lower surface of L shaped plate is fixedly connected with the upper surface of the second transverse slat, the left and right two of the second transverse slat Side is fixedly connected to sliding block, and sliding block is slidably connected in sliding slot, and two sliding slots open up left and right on the inner wall of the housing respectively Two sides.

The lower surface of second transverse slat is fixedly connected with the top of connecting rod, and the bottom end of connecting rod is opened up across housing lower surface Third through-hole and be fixedly connected with the top of hook, the second transverse slat front be fixedly connected with the back side of fixed block, fixed block Front pass through the fourth hole that opens up of shell front and be located in front of shell, the left and right sides of fixed block are fixedly connected to The position of pointer, the corresponding pointer in the front of shell is provided with graduated scale.

Preferably, first elastic device include the first slide bar, the both ends of the first slide bar respectively with first through hole inner wall Left and right sides be fixedly connected, the surface of the first slide bar is socketed with the first sliding sleeve, and the first sliding sleeve is connected to the right side of connecting plate Face, the surface of the first slide bar are socketed with the first spring, and the both ends of the first spring are logical with the right side of the first sliding sleeve and first respectively The right side of hole inner wall is fixedly connected.

Preferably, second elastic device includes the second slide bar, the bottom end of the second slide bar and the lower surface of card slot inner wall Overlap joint, the top of the second slide bar and the lower surface of baffle overlap, and the surface of the second slide bar is socketed with the second sliding sleeve, the second sliding sleeve card Connect in the upper surface of L shaped plate, the surface of the second slide bar is socketed with third spring, the both ends of third spring respectively with the second sliding sleeve and The opposite face of baffle is fixedly connected.

Preferably, the upper surface of the shell is fixedly connected with support rod bottom end, the top of support rod and the following table of bearing Face is fixedly connected, and bearing inner sleeve is connected to shaft, and the both ends of shaft are fixedly connected with the front side of U-board inner wall and rear side respectively.

Preferably, the back side of the shell is provided with cover board, and the right side of cover board passes through the activity of the back side of hinge and shell Connection.

Preferably, the shape of second link block is rectangle, and the length of the second link block is less than the second placing groove Length.

(3) beneficial effect

The utility model has the beneficial effects that:

1, the Physical Experiment dynamometer, by the first link block, the first placing groove, the second link block, the second placing groove, Cooperation between snap-gauge, the second groove, card slot and the second elastic device, it is first when people need to replace second spring It first pulls pull ring that two snap-gauges is made to be located remotely from each other movement, behind clamp moving to suitable position, stops drag pull ring, at this time First link block can be taken out downwards, then baffle be pulled to move up the second slide bar, when the second slide bar and exact separation Afterwards, people can pull to the left the second link block, take out then up, just complete the disassembly to second spring, people at this time Without expending the excessive time in maintenance second spring, people can quickly be replaced second spring, so as to protect The efficiency that witnesses attend class.

2, the Physical Experiment dynamometer makes connecting rod that double swerve will not arbitrarily occur by setting sliding block and sliding slot, After hanging up object on hook, make object can be with fast and stable, so as to guarantee dynamometer measurement result to a certain extent It is accurate.

3, the Physical Experiment dynamometer can make shell and hook is kept and horizontal plane by setting shaft and bearing Vertical state so as to link up with run-off the straight when preventing measurement, and then guarantees the accurate of measurement result to a certain extent Property.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure that the utility model is faced；

Fig. 2 is the structural schematic diagram that the utility model is faced；

Fig. 3 is the structural schematic diagram of the utility model backsight；

Fig. 4 is the structural schematic diagram of the utility model part A amplification；

Fig. 5 is the structural schematic diagram of the utility model part B amplification.

In figure: 1 shell, 2 first transverse slats, 3 first placing grooves, 4 first link blocks, 5 first grooves, 6 second grooves, 7 cards Plate, 8 connecting plates, 9 first elastic devices, 91 first slide bars, 92 first sliding sleeves, 93 first springs, 10 first through hole, 11 pull rings, 12 second springs, 13 second link blocks, 14 second placing grooves, 15 third grooves, 16 card slots, 17 second elastic devices, 171 second Slide bar, 172 second sliding sleeves, 173 third springs, 18 second through-holes, 19L shape plate, 20 baffles, 21 second transverse slats, 22 sliding blocks, 23 are slided Slot, 24 connecting rods, 25 third through-holes, 26 hooks, 27 support rods, 28 bearings, 29 shafts, 30U shape plate, 31 fourth holes, 32 are consolidated Determine block, 33 pointers, 34 graduated scales, 35 cover boards, 36 hinges.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of Physical Experiment dynamometer, including shell 1, the left and right sides of 1 inner wall of shell are fixedly connected with the left and right sides of the first transverse slat 2 respectively, the lower surface of the first transverse slat 2 Offer the first placing groove 3, the upper surface of the upper surface of 3 inner wall of the first placing groove and the first link block 4 overlaps, and passes through setting the One link block 4, people can be fixed second spring 12 by fixing the first link block 4, and the upper surface of the first link block 4 is opened If the lower surface of first groove, 5 inner wall offers the second groove 6 there are two the first groove 5, pass through the second groove 6 of setting and card Plate 7 can prevent the first link block 4 from teetertottering, to make in the course of work of dynamometer, second spring 12 is more steady Fixed, the left side of 6 inner wall of the second groove and the left side of snap-gauge 7 overlap, and the upper surface of snap-gauge 7 and the lower surface of connecting plate 8 are solid Fixed connection, the right side of connecting plate 8 are connected with the first elastic device 9, and the first elastic device 9 includes the first slide bar 91, and first is sliding The both ends of bar 91 are fixedly connected with the left and right sides of 10 inner wall of first through hole respectively, and the surface of the first slide bar 91 is socketed with first Sliding sleeve 92, the first sliding sleeve 92 are connected to the right side of connecting plate 8, and the surface of the first slide bar 91 is socketed with the first spring 93, and first The both ends of spring 93 are fixedly connected with the right side of 10 inner wall of the right side of the first sliding sleeve 92 and first through hole respectively, pass through setting First spring 93, after people unclamp pull ring 11, the first spring 93 can drive connecting plate 8 and snap-gauge 7 mobile, make two snap-gauges 7 movements close to each other, to keep the process for fixing the first link block 4 more quick, and the first slide bar 91 and the first sliding sleeve 92 Shape is rectangle, and the first sliding sleeve 92 and connecting plate 8 is made not to rotate in the process of moving, to make snap-gauge 7 can be with It is accurately moved in the first groove 5, the both ends of the first elastic device 9 are solid with the left and right sides of 10 inner wall of first through hole respectively Fixed connection, first through hole 10 are provided with the upper surface of 3 inner wall of the first placing groove.

The upper surface of connecting plate 8 is fixedly connected with the lower surface of pull ring 11, by the way that pull ring 11 is arranged, facilitates people's control the The movement of one sliding sleeve 92 and connecting plate 8 keeps the disassembly process of the first link block 4 more convenient, and the lower surface of the first link block 4 is logical It crosses second spring 12 to be fixedly connected with the upper surface of the second link block 13, the lower surface of the second link block 13 and the second placing groove 14 The lower surface of inner wall overlaps, and the shape of the second link block 13 is rectangle, and the length of the second link block 13 is less than the second placing groove 14 length facilitates people by the second connection by the way that length of the length less than the second placing groove 14 of the second link block 13 is arranged Block 13 is moved in third groove 15, keeps the replacement process of second spring 12 more convenient, and the second placing groove 14 is provided with second The upper surface of transverse slat 21, the right side of 14 inner wall of the second placing groove offer third groove 15, the upper surface of the second link block 13 Card slot 16 is offered, by setting card slot 16 and the second slide bar 171, can prevent the second link block 13 from double swerve occurs, from And keeping the fixation of second spring 12 more stable, the bottom end of the lower surface of 16 inner wall of card slot and the second elastic device 17 overlaps, the The top of two elastic devices 17 passes through the second through-hole 18 that 15 inner wall upper surface of third groove opens up and the lower surface with baffle 20 It is fixedly connected, the second elastic device 17 includes the second slide bar 171, the bottom end of the second slide bar 171 and the lower surface of 16 inner wall of card slot Overlap joint, the top of the second slide bar 171 and the lower surface of baffle 20 overlap, and the surface of the second slide bar 171 is socketed with the second sliding sleeve 172, the second sliding sleeve 172 is connected to the upper surface of L shaped plate 19, and the surface of the second slide bar 171 is socketed with third spring 173, third The both ends of spring 173 are fixedly connected with the opposite face of the second sliding sleeve 172 and baffle 20 respectively, by the way that third spring 173 is arranged, when After people unclamp baffle 20, third spring 173 can drive the second slide bar 171 to stick into downwards in card slot 16 with itself pulling force, from And keeping the fixation procedure of the second link block 13 more quick, the second elastic device 17 is connected to the upper surface of L shaped plate 19, L shaped plate 19 lower surface is fixedly connected with the upper surface of the second transverse slat 21, and the left and right sides of the second transverse slat 21 are fixedly connected to sliding block 22, by setting sliding block 22 and sliding slot 23, make connecting rod 24 that double swerve will not arbitrarily occur, hangs up object on 26 when linking up with Afterwards, make object can be with fast and stable, so as to guarantee the accurate of dynamometer measurement result to a certain extent, sliding block 22 is slided It is connected in sliding slot 23, and two sliding slots 23 are provided with the left and right sides of 1 inner wall of shell respectively, the back side of shell 1 is provided with The right side of cover board 35, cover board 35 is flexibly connected by hinge 36 with the back side of shell 1, by the way that hinge 36 is arranged, makes cover board 35 It can preferably rotate, the upper surface of shell 1 is fixedly connected with 27 bottom end of support rod, under the top of support rod 27 and bearing 28 Surface is fixedly connected, and shaft 29 is socketed in bearing 28, and the both ends of shaft 29 are solid with the front side of 30 inner wall of U-board and rear side respectively Fixed connection can make shell 1 and hook 26 keep the state with horizontal plane by setting shaft 29 and bearing 28, thus It can prevent from linking up with 26 run-off the straights when measurement, and then guarantee the accuracy of measurement result to a certain extent.

The lower surface of second transverse slat 21 is fixedly connected with the top of connecting rod 24, and the bottom end of connecting rod 24 passes through under shell 1 Third through-hole 25 that surface opens up simultaneously is fixedly connected with the top of hook 26, by setting hook 26, people is facilitated to hang object On the utility model, thus keep the practicability of the utility model more preferable, the front and the back side of fixed block 32 of the second transverse slat 21 It is fixedly connected, the front of fixed block 32 passes through the fourth hole 31 that 1 front of shell opens up and is located at 1 front of shell, fixed block 32 Left and right sides be fixedly connected to pointer 33, by setting pointer 33 and graduated scale 34, people is facilitated to be apparent from survey The position of the data of amount, the corresponding pointer 33 in the front of shell 1 is provided with graduated scale 34.

The operating procedure of the utility model are as follows:

S1, when people need to replace second spring 12, be first turned on cover board 35, then pull pull ring 11, make Two pull rings 11 are located remotely from each other movement, while the first spring 93 shortens, and after snap-gauge 7 is moved to suitable position, stops drag Pull ring 11 at this time can take out downwards the first link block 4, while pulling up baffle 20 moves up the second slide bar 171, After the second slide bar 171 is separated with card slot 16, people can pull to the left the second link block 13, then again by the second link block 13 take out upwards, just complete the disassembly to second spring 12 at this time；

S2, when needing to install second spring 12, the first link block 4 is placed into the first placing groove 3 first, Snap-gauge 7 is put into the first groove 5 simultaneously, then people can unclamp pull ring 11, and the first spring 93 own resilient drives the One sliding sleeve 92 and connecting plate 8 are mobile, to make the movement close to each other of two snap-gauges 7；

S3, then the second link block 13 is put into the second placing groove 14, then pushes the second link block 13 to the right, when the Two link blocks 13 are with after the right side face contact of 15 inner wall of third groove, and people can unclamp baffle 20, and then second spring 12 is used Itself pulling force drives the second slide bar 171 to stick into downwards in card slot 16, then can close cover board 35, just complete to second at this time The replacement of spring 12.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of Physical Experiment dynamometer, including shell (1), it is characterised in that: the left and right sides of shell (1) inner wall It being fixedly connected respectively with the left and right sides of the first transverse slat (2), the lower surface of the first transverse slat (2) offers the first placing groove (3), The upper surface of the first placing groove (3) inner wall and the upper surface of the first link block (4) overlap, and the upper surface of the first link block (4) is opened If the lower surface of the first groove (5) inner wall offers the second groove (6), the second groove (6) inner wall there are two the first groove (5) Left side and the left side of snap-gauge (7) overlap, the upper surface of snap-gauge (7) is fixedly connected with the lower surface of connecting plate (8), connection The right side of plate (8) is connected with the first elastic device (9), and the both ends of the first elastic device (9) are respectively and in first through hole (10) The left and right sides of wall are fixedly connected, and first through hole (10) is provided with the upper surface of the first placing groove (3) inner wall；

The upper surface of connecting plate (8) is fixedly connected with the lower surface of pull ring (11), and the lower surface of the first link block (4) passes through second Spring (12) is fixedly connected with the upper surface of the second link block (13), the lower surface of the second link block (13) and the second placing groove (14) the lower surface overlap joint of inner wall, the second placing groove (14) are provided with the upper surface of the second transverse slat (21), the second placing groove (14) The right side of inner wall offers third groove (15), and the upper surface of the second link block (13) offers card slot (16), card slot (16) The bottom end of the lower surface of inner wall and the second elastic device (17) overlaps, and the top of the second elastic device (17) passes through third groove (15) inner wall upper surface opens up the second through-hole (18) is simultaneously fixedly connected, the second elastic device (17) with the lower surface of baffle (20) It is connected to the upper surface of L shaped plate (19), the lower surface of L shaped plate (19) is fixedly connected with the upper surface of the second transverse slat (21), and second The left and right sides of transverse slat (21) are fixedly connected to sliding block (22), and sliding block (22) is slidably connected in sliding slot (23), and two Sliding slot (23) is provided with the left and right sides of shell (1) inner wall respectively；

The lower surface of second transverse slat (21) is fixedly connected with the top of connecting rod (24), and the bottom end of connecting rod (24) passes through shell (1) lower surface opens up third through-hole (25) is simultaneously fixedly connected with the top of hook (26), the front of the second transverse slat (21) with it is solid The back side for determining block (32) is fixedly connected, and the front of fixed block (32) passes through the fourth hole (31) that shell (1) front opens up and position In front of shell (1), the left and right sides of fixed block (32) are fixedly connected to pointer (33), and the front correspondence of shell (1) refers to The position of needle (33) is provided with graduated scale (34).

2. a kind of Physical Experiment dynamometer according to claim 1, it is characterised in that: first elastic device (9) Including the first slide bar (91), the both ends of the first slide bar (91) are fixed with the left and right sides of first through hole (10) inner wall respectively to be connected It connecing, the surface of the first slide bar (91) is socketed with the first sliding sleeve (92), and the first sliding sleeve (92) is connected to the right side of connecting plate (8), The surface of first slide bar (91) is socketed with the first spring (93), the both ends of the first spring (93) right side with the first sliding sleeve (92) respectively Side is fixedly connected with the right side of first through hole (10) inner wall.

3. a kind of Physical Experiment dynamometer according to claim 1, it is characterised in that: second elastic device (17) Including the second slide bar (171), the bottom end of the second slide bar (171) and the lower surface of card slot (16) inner wall are overlapped, the second slide bar (171) Top and baffle (20) lower surface overlap, the surface of the second slide bar (171) is socketed with the second sliding sleeve (172), the second sliding sleeve (172) it is connected to the upper surface of L shaped plate (19), the surface of the second slide bar (171) is socketed with third spring (173), third spring (173) both ends are fixedly connected with the opposite face of the second sliding sleeve (172) and baffle (20) respectively.

4. a kind of Physical Experiment dynamometer according to claim 1, it is characterised in that: the upper surface of the shell (1) It is fixedly connected with support rod (27) bottom end, the top of support rod (27) is fixedly connected with the lower surface of bearing (28), bearing (28) It is inside socketed with shaft (29), the both ends of shaft (29) are fixedly connected with the front side of U-board (30) inner wall and rear side respectively.

5. a kind of Physical Experiment dynamometer according to claim 1, it is characterised in that: the back side of the shell (1) is set It is equipped with cover board (35), the right side of cover board (35) is flexibly connected by hinge (36) with the back side of shell (1).

6. a kind of Physical Experiment dynamometer according to claim 1, it is characterised in that: second link block (13) Shape is rectangle, and the length of the second link block (13) is less than the length of the second placing groove (14).