CN215894277U

CN215894277U - Shore durometer measurement rubber hardness auxiliary device

Info

Publication number: CN215894277U
Application number: CN202121581844.1U
Authority: CN
Inventors: 闫贵昊; 张建军; 田伟; 武启明; 刘鑫; 蒙武楠; 张聪; 闫世杰
Original assignee: Tianjin Inspection And Testing Center For Housing Quality And Safety Co ltd
Current assignee: Tianjin Inspection And Testing Center For Housing Quality And Safety Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2022-02-22
Anticipated expiration: 2031-07-10

Abstract

The utility model belongs to the technical field of hardness measurement instrument and specifically relates to a shore durometer measurement rubber hardness auxiliary device is related to, and it sets up between the organism and the operation panel surface of shore durometer, hardness auxiliary device is including being used for applying the main support frame of the splenium of fixed pressure value and being used for supporting the splenium to the organism, and the support frame is located the operation panel surface, and the portion of applying pressure and support frame sliding connection, fixed connection can be dismantled with the organism to the portion of applying pressure simultaneously, and the portion of applying pressure drives the organism vertical drop to rubber sample surface under the action of gravity. This application utilizes auxiliary device to assist the organism to the survey of rubber hardness, and the portion of exerting pressure applys fixed pressure value to the organism, has reduced the deviation of novice survey data when the operation, has reached the effect that has improved shore hardness meter and has decided the precision.

Description

Shore durometer measurement rubber hardness auxiliary device

Technical Field

The application relates to the field of hardness measuring instruments, in particular to a shore durometer measurement rubber hardness auxiliary device.

Background

The existing shore durometer has the advantages of simple structure, convenience in use, small size, light weight and visual reading, and is widely applied to rubber hardness measurement to control the quality of rubber products.

The shore durometer is usually used in a hand-held measuring mode, a rubber sample is placed on a firm and stable plane, then the shore durometer is held, a pressing pin is perpendicular to the surface of the rubber sample, then a fixed pressure is applied downwards to the shore durometer, the pressing pin of the shore durometer is completely attached to the surface of the rubber sample, and the hardness of the rubber is measured instantly according to the stretching value of the pressing pin.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the novice operated the shore durometer and surveyed rubber hardness, can't guarantee to apply fixed pressure value for the hardness numerical value who surveys has the deviation, leads to shore durometer's survey precision to hang down.

SUMMERY OF THE UTILITY MODEL

In order to improve the survey precision of shao shi durometer, this application provides a shao shi durometer measurement rubber hardness auxiliary device.

The application provides a shore durometer measures rubber hardness auxiliary device adopts following technical scheme:

the utility model provides a shore durometer measures rubber hardness auxiliary device, sets up between the organism and the operation panel surface of shore durometer, hardness auxiliary device is including being used for exerting the main support frame of the splenium of exerting a fixed pressure value and being used for supporting the splenium to the organism, and the main support frame is located the operation panel surface, and the portion of exerting a pressure and main support frame sliding connection, the fixed connection can be dismantled with the organism to the splenium of exerting a pressure simultaneously, and the portion of exerting a pressure drives the organism and falls to rubber sample surface perpendicularly under the action of gravity.

Through adopting above-mentioned technical scheme, utilize the main support frame to provide the support for exerting pressure portion and organism, make the organism hang and locate rubber sample surface top, because exerting pressure portion and organism can dismantle fixed connection, the adjustability of two kinds of using-way of organism has been realized, the use can directly be handed on the one hand, on the other hand installs the organism on auxiliary device, utilize auxiliary device to assist the organism to the survey of rubber hardness, the portion of exerting pressure applys fixed pressure value to the organism, the deviation of new hand survey data when the operation has been reduced, the effect that has improved the shao shi hardness meter and has decided the precision is reached.

Optionally, the main support frame comprises a base and a support rod, the base abuts against the surface of the operating platform, one end of the support rod is fixedly connected with the base, the support rod is perpendicular to the surface of the rubber sample, and the pressure applying part slides along the support rod.

Through adopting above-mentioned technical scheme, because vaulting pole one end and base fixed connection, the base provides the support for the vaulting pole, and the vaulting pole perpendicular to rubber sample sets up, and the vaulting pole leads for the slip of exerting pressure portion, has realized the rectilinear movement of exerting pressure portion.

Optionally, a positioning mechanism is arranged between the pressing portion and the support rod, the positioning mechanism comprises a positioning block and a positioning bolt, the positioning block is slidably sleeved on the outer side of the support rod, one end of the positioning bolt penetrates through the positioning block and then abuts against the support rod, and the positioning bolt is in threaded connection with the positioning block.

By adopting the technical scheme, the positioning block is sleeved outside the support rod in a sliding manner, so that the sliding connection between the positioning rod and the side wall of the support rod is realized, the positioning bolt is rotated, one end of the positioning bolt is abutted to the support rod after penetrating through the positioning block, the positioning bolt is in threaded connection with the positioning block, the positioning bolt locks the positioning block at the fixed position of the support rod, the sliding initial height of the pressure applying part is positioned by using the positioning mechanism, and the stamping force of the pressure applying part at the position where the pressure applying part descends at each time is the same.

Optionally, a guide groove is formed in the side wall of the support rod along the sliding direction of the pressing portion, and one end of the positioning bolt penetrates through the positioning block and then abuts against the bottom wall of the guide groove.

Through adopting above-mentioned technical scheme, because the guide way is seted up on the vaulting pole lateral wall, positioning bolt one end pass behind the locating piece with guide way bottom wall butt, the setting of guide way has increased the area of contact between positioning bolt and the vaulting pole, has further improved positioning bolt locking positioning piece's stability.

Optionally, the pressing part comprises a connecting plate and a gravity weight located on the connecting plate, the gravity weight is detachably and fixedly connected with the connecting plate, the connecting plate is slidably connected with the supporting rod, and meanwhile, the connecting plate is detachably and fixedly connected with the machine body.

Through adopting above-mentioned technical scheme, the connecting plate has realized being connected between gravity weight and the organism, and the gravity weight provides fixed pressure for the organism, because the gravity weight can dismantle fixed connection with the connecting plate, has realized the removable function of gravity weight, cooperates the gravity weight in order to accord with weight simultaneously behind the organism of changing different models, has improved auxiliary device's practicality.

Optionally, be provided with coupling assembling between connecting plate and the organism, coupling assembling includes external screw thread pipe and internal thread pipe, external screw thread pipe and connecting plate fixed connection, internal thread pipe and organism fixed connection, internal thread pipe box outside external screw thread pipe and with external screw thread pipe threaded connection.

Through adopting above-mentioned technical scheme, rotate the organism, because organism and internal thread pipe fixed connection, the organism drives the synchronous rotation of internal thread pipe, and then makes internal thread pipe and external screw thread pipe threaded connection, and then has realized the dismantled fixed connection between organism and the connecting plate, has improved the convenience of installing the organism on the connecting plate simultaneously.

Optionally, a guide cylinder is arranged between the connecting plate and the support rod, the guide cylinder is sleeved outside the support rod and is fixedly connected with the connecting plate, a limiting block is fixedly connected to the inner wall of the guide cylinder, and the limiting block is connected with the guide groove in a sliding manner.

Through adopting above-mentioned technical scheme, because the guide cylinder cover is established in the vaulting pole outside, realized the sliding connection between connecting plate and the vaulting pole, because stopper and guide cylinder inner wall fixed connection again, remove the guide cylinder and slide along the vaulting pole, the guide cylinder drives the stopper and slides along the guide way, and the cooperation of stopper and guide way guides the removal of guide cylinder, has reduced the rotation skew when the guide cylinder removes.

Optionally, a locking assembly is arranged between the guide cylinder and the positioning block, the locking assembly includes a locking ring and a locking rod, the locking ring is fixedly connected with the guide cylinder, and one end of the locking ring penetrates through the through groove of the positioning block to enable the locking rod to penetrate through the locking ring.

By adopting the technical scheme, when a measurement experiment is not carried out, the machine body is locked at a position far away from the rubber sample by using the locking assembly, so that the force application of the handheld pressing part in an initial state is saved; meanwhile, due to the arrangement of the locking ring and the locking rod, the convenience of locking the pressing part is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the pressing part and the main support frame, the auxiliary device is used for assisting the body in measuring the rubber hardness, the pressing part applies a fixed pressure value to the body, the deviation of measured data of a novice during operation is reduced, and the effect of improving the measurement accuracy of the Shore hardness tester is achieved;

2. the positioning bolt locks the positioning block at the fixed position of the support rod through the arrangement of the positioning block and the positioning bolt, and the initial sliding height of the pressing part is positioned by using the positioning mechanism, so that the stamping force of each landing of the pressing part at the positioning position is the same;

3. through the setting of external thread pipe and internal thread pipe, realized the fixed connection dismantled between organism and the connecting plate, improved the convenience of installing the organism on the connecting plate simultaneously.

Drawings

FIG. 1 is a schematic view of the construction of a hardness aid in an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a hardness aid in an embodiment of the present application.

Description of reference numerals: 1. a body; 2. a hardness auxiliary device; 21. a main support frame; 211. a base; 212. a stay bar; 2121. a guide groove; 22. a pressing part; 221. a connecting plate; 222. a gravity weight; 223. a guide cylinder; 2231. a limiting block; 3. a positioning mechanism; 31. positioning blocks; 32. positioning the bolt; 321. a through groove; 4. a connecting assembly; 41. an internally threaded tube; 42. an externally threaded tube; 5. a locking assembly; 51. a locking ring; 52. a locking lever; 6. rubber test specimens.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses shore durometer measures rubber hardness auxiliary device. Referring to fig. 1, in an experiment for measuring the hardness of a rubber sample 6 by using a shore durometer, a hardness auxiliary device 2 is arranged on the surface of an operation table, and the shore durometer body 1 is detachably fixed on the hardness auxiliary device 2. The machine body 1 is firstly installed on the hardness auxiliary device 2, then the machine body 1 is downwards applied with fixed pressure by the hardness auxiliary device 2, the machine body 1 is vertically dropped to the surface of the rubber sample 6, and the measured hardness value is displayed at the moment that the pressure foot of the machine body 1 is abutted against the rubber sample 6.

Referring to fig. 1, the hardness auxiliary device 2 includes a main frame 21 and a pressing portion 22, the main frame 21 stands on the surface of the operation table, the pressing portion 22 is slidably disposed on the main frame 21, a positioning mechanism 3 is disposed between the pressing portion 22 and the main frame 21, and the pressing portion 22 is connected with the locking assembly 5. The pressing part 22 is positioned at a required initial height by the positioning mechanism 3, the position of the pressing part 22 is locked by the locking assembly 5, and when a rubber hardness test is started, the locking state of the pressing part 22 by the locking assembly 5 is released, and the pressing part 22 drives the machine body 1 to fall down.

Referring to fig. 1, the main supporting frame 21 includes a base 211 horizontally disposed along the surface of the console and a supporting rod 212 vertically disposed on the base 211, a rubber sample 6 is placed on the top surface of the base 211, the bottom end of the supporting rod 212 is fixedly connected to the top end of the base 211, the supporting rod 212 is perpendicular to the rubber sample 6, and a guide groove 2121 is vertically formed in the side wall of the supporting rod 212 far away from the rubber sample 6. The rubber test piece 6 is placed at the top surface of the base 211 and the rubber test piece 6 is aligned with the machine body 1.

Referring to fig. 1 and 2, the positioning mechanism 3 includes a positioning block 31 and a positioning bolt 32 which are all horizontally arranged, the positioning block 31 is in a ring shape with two horizontal end faces, the positioning block 31 is sleeved on the outer side of the stay rod 212, the positioning block 31 is slidably connected with the stay rod 212, the positioning bolt 32 is located on one side of the positioning block 31 far away from the rubber sample 6, one end of the positioning bolt 32 passes through the positioning block 31 and then abuts against the bottom wall of the guide groove 2121, and the positioning bolt 32 is in threaded connection with the positioning block 31.

The positioning block 31 is moved to slide along the length direction of the stay 212, so that the positioning block 31 slides to a required height, then the positioning bolt 32 is rotated, one end of the positioning bolt 32 passes through the positioning block 31 and abuts against the bottom wall of the guide groove 2121, the positioning bolt 32 locks the positioning block 31 on the stay 212, and the positioning mechanism 3 positions the pressing part 22 to a proper initial falling height.

Referring to fig. 1 and 2, the pressing portion 22 includes a connecting plate 221, a gravity weight 222 and a guide cylinder 223, the guide cylinder 223 is vertically sleeved on the outer side of the support rod 212, the guide cylinder 223 is slidably connected with the support rod 212, the connecting plate 221 is horizontally arranged on one side of the guide cylinder 223 close to the rubber sample 6, one end of the connecting plate 221 is fixedly connected with the side wall of the guide cylinder 223, the connecting plate 221 is located on one side of the machine body 1 far away from the base 211, a connecting assembly 4 is arranged between the bottom end of the connecting plate 221 and the top end of the machine body 1, and the gravity weight 222 is vertically detachably fixed on the top of the connecting plate 221.

Referring to fig. 1 and 2, the guide cylinder 223 is in a vertical circular tube shape, a limit block 2231 in a vertical state is fixedly connected to an inner wall of the guide cylinder 223, a side wall of the limit block 2231, which is far away from the guide cylinder 223, is inserted into the guide groove 2121, the limit block 2231 is slidably connected with the guide groove 2121, and the locking assembly 5 is located between a top end of the guide cylinder 223 and the positioning block 31. After the locking state of the guide cylinder 223 by the locking assembly 5 is released, the guide cylinder 223 slides down vertically along the support rod 212 under the action of gravity, and the guide cylinder 223 drives the limit block 2231 to slide along the guide groove 2121, so that the guide cylinder 223 slides more stably on the outer side of the support rod 212.

Referring to fig. 1 and 2, the locking assembly 5 includes a locking ring 51 and a locking lever 52, the locking ring 51 is vertically disposed at the top end of the guide cylinder 223, the bottom end of the locking ring 51 is fixedly connected with the top end of the guide cylinder 223, a through groove 321 is disposed in cooperation with the locking ring 51, the through groove 321 is vertically disposed at the top end of the positioning block 31, the through groove 321 penetrates through the bottom end of the positioning block 31, and the top end of the locking ring 51 is exposed out of the top end of the positioning block 31 after passing through the through groove 321; the locking rod 52 is horizontally arranged at the top end of the positioning block 31, the locking rod 52 is arranged perpendicular to the supporting rod 212, and one end of the locking rod 52 penetrates through the locking ring 51.

When the position of the guide cylinder 223 needs to be locked, the guide cylinder 223 is pushed to slide upwards along the support rod 212, the guide cylinder 223 gradually approaches the positioning block 31, the guide cylinder 223 drives the top end of the locking ring 51 to penetrate through the through groove 321 of the positioning block 31 and then expose, then the locking rod 52 is moved to approach the top end of the locking ring 51, one end of the locking rod 52 penetrates through the locking ring 51, then the application of force to the guide cylinder 223 is released, the side wall of the locking ring 51 is abutted to the top end of the positioning block 31, and the guide cylinder 223 is locked at a needed height; when the locking state is released, the locking rod 52 is directly pulled away from the locking ring 51, and the operation is simple and convenient.

Referring to fig. 2, the gravity weight 222 is vertically disposed on the top end of the connection plate 221, the central axis of the gravity weight 222 is aligned with the central axis of the body 1, and the gravity weight 222 is fixed on the connection plate 221 by screws penetrating through the gravity weight 222. The gravity weight 222 adaptation of different gravity in the organism 1 of different models, when the 1 model of organism changes to some extent, also need corresponding weight that changes gravity weight 222, gravity weight 222 applys fixed pressure value to organism 1, has reduced the deviation of novice survey data when the operation, has reached the effect that has improved the shao shi hardness meter and has decided the precision.

Referring to fig. 2, the connection assembly 4 between the machine body 1 and the connection plate 221 includes an internal threaded pipe 41 and an external threaded pipe 42, the internal threaded pipe 41 and the external threaded pipe 42 are both vertically disposed, the central axes of the internal threaded pipe 41 and the external threaded pipe 42 are also aligned with the central axis of the machine body 1, the bottom end of the internal threaded pipe 41 is fixedly connected with the top end of the machine body 1, the top end of the external threaded pipe 42 is fixedly connected with the top end of the connection plate 221, and the external threaded pipe 42 is in threaded connection with the internal threaded pipe 41.

Moving the top end of the machine body 1 to be close to the connecting plate 221, so that the bottom end of the external threaded pipe 42 is inserted into the top end of the internal threaded pipe 41, then rotating the machine body 1, and driving the internal threaded pipe 41 to rotate by the machine body 1, thereby completing the installation of the machine body 1; when the hand-held machine body 1 is needed to carry out measurement, the machine body 1 is reversely rotated and detached from the connecting plate 221.

After the initial position of the positioning mechanism 3 with the pressing part 22 is determined, the gravity weight 222 is firstly installed at the top end of the connecting plate 221, then the machine body 1 is moved to be close to the bottom end of the connecting plate 221, and the machine body 1 is rotated, so that the machine body 1 drives the internal threaded pipe 41 and the external threaded pipe 42 to be in threaded connection, and the installation of the machine body 1 is completed.

The implementation principle of the shore durometer measurement rubber hardness auxiliary device in the embodiment of the application is as follows: when a hardness measuring experiment is performed on a rubber sample 6 by using a hardness auxiliary device 2 to assist a novice, a positioning mechanism 3 is used for positioning a pressing part 22 at a required height of a supporting rod 212, at the moment, a positioning block 31 and a guide cylinder 223 are connected by a locking assembly 5, then a gravity weight 222 and a machine body 1 are sequentially and respectively installed at the top end and the bottom end of a connecting plate 221, the rubber sample 6 is horizontally placed on the surface of the top end of a base 211, the preparation work is completed, then a locking rod 52 is pulled out and away from a locking ring 51, the locking state of the pressing part 22 is released, the pressing part 22 drives the machine body 1 to fall under the action of gravity until a pressing foot at the bottom end of the machine body 1 is abutted against the surface of the rubber sample 6, the hardness value of the rubber sample 6 is measured, and then the pressing part 22 is restored to the original position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a shore durometer measures rubber hardness auxiliary device, sets up between organism (1) and the operation panel surface of shore durometer, its characterized in that: hardness auxiliary device (2) are including being used for exerting pressure (22) of fixed pressure value and main support frame (21) that are used for supporting pressure (22) to organism (1), and main support frame (21) are located the operation panel surface, and pressure (22) and main support frame (21) sliding connection, and fixed connection can be dismantled with organism (1) to pressure (22) simultaneously, and pressure (22) drive organism (1) under the action of gravity and fall to rubber sample (6) surface perpendicularly.

2. The shore durometer rubber hardness auxiliary device according to claim 1, wherein: the main support frame (21) comprises a base (211) and a support rod (212), the base (211) abuts against the surface of the operating platform, one end of the support rod (212) is fixedly connected with the base (211), the support rod (212) is perpendicular to the surface of the rubber sample (6), and the pressing portion (22) slides along the support rod (212).

3. The shore durometer rubber hardness auxiliary device according to claim 2, wherein: be provided with positioning mechanism (3) between pressure parts (22) and vaulting pole (212), positioning mechanism (3) are including locating piece (31) and positioning bolt (32), and locating piece (31) slip cover is established in vaulting pole (212) outside, and positioning bolt (32) one end is passed behind locating piece (31) and is propped with vaulting pole (212), and positioning bolt (32) and locating piece (31) threaded connection.

4. A shore durometer rubber hardness auxiliary device according to claim 3, wherein: the side wall of the support rod (212) is provided with a guide groove (2121) along the sliding direction of the pressing part (22), and one end of a positioning bolt (32) penetrates through the positioning block (31) and then abuts against the bottom wall of the guide groove (2121).

5. The shore durometer rubber hardness auxiliary device according to claim 4, wherein: the pressing portion (22) comprises a connecting plate (221) and a gravity weight (222) located on the connecting plate (221), the gravity weight (222) is detachably and fixedly connected with the connecting plate (221), the connecting plate (221) is slidably connected with the supporting rod (212), and meanwhile the connecting plate (221) is detachably and fixedly connected with the machine body (1).

6. The shore durometer rubber hardness auxiliary device according to claim 5, wherein: be provided with coupling assembling (4) between connecting plate (221) and organism (1), coupling assembling (4) include external screw thread pipe (42) and internal thread pipe (41), external screw thread pipe (42) and connecting plate (221) fixed connection, internal thread pipe (41) and organism (1) fixed connection, internal thread pipe (41) cover in external screw thread pipe (42) outside and with external screw thread pipe (42) threaded connection.

7. The shore durometer rubber hardness auxiliary device according to claim 5, wherein: a guide cylinder (223) is arranged between the connecting plate (221) and the support rod (212), the guide cylinder (223) is sleeved on the outer side of the support rod (212), the guide cylinder (223) is fixedly connected with the connecting plate (221), a limiting block (2231) is fixedly connected to the inner wall of the guide cylinder (223), and the limiting block (2231) is connected with the guide groove (2121) in a sliding mode.

8. The shore durometer rubber hardness auxiliary device according to claim 7, wherein: a locking assembly (5) is arranged between the guide cylinder (223) and the positioning block (31), the locking assembly (5) comprises a locking ring (51) and a locking rod (52), the locking ring (51) is fixedly connected with the guide cylinder (223), and one end of the locking ring (51) penetrates through the through groove (321) of the positioning block (31) and then the locking rod (52) is arranged in the locking ring (51) in a penetrating mode.