CN219455890U

CN219455890U - Piston rubber coating frictional force detection device

Info

Publication number: CN219455890U
Application number: CN202320336894.6U
Authority: CN
Inventors: 陆英田
Original assignee: Ningbo Yinzhou Shengyu Rubber And Plastic Products Co ltd
Current assignee: Ningbo Yinzhou Shengyu Rubber And Plastic Products Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-01
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of piston encapsulation, and discloses a piston encapsulation friction force detection device which comprises a base, wherein an upright post is fixedly arranged at the upper end of the base, a supporting seat is fixedly arranged at the upper end of the upright post, an outer sleeve is fixedly arranged at the upper end of the supporting seat, a top plate is fixedly arranged at the outer side of the outer sleeve, a detection sleeve is arranged at the upper end of the supporting seat, and a connecting sleeve is fixedly arranged at the lower end of the detection sleeve. This piston rubber coating frictional force detection device is provided with four detection sleeves, can detect four piston rubber coatings simultaneously, and detection sleeve can be changed according to the piston size, sets up the connecting rod in the detection sleeve, and the connecting rod bottom is connected with the balancing weight, and the upper end is connected with the piston, and the balancing weight can be replaced according to the demand, and the balancing weight passes through gravity and drives piston downwardly moving, contacts with the time-recorder at last, and whether the frictional force of rubber coating is qualified according to the long judgement rubber coating of piston whereabouts, simple structure, easy dismounting operation.

Description

Piston rubber coating frictional force detection device

Technical Field

The utility model relates to the technical field of piston encapsulation, in particular to a piston encapsulation friction force detection device.

Background

The piston is a reciprocating part in the cylinder body of an automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is a main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber type, and the piston encapsulation is an elastic part wrapping the outer side of the piston.

Most of the piston rubber coating friction force detection devices are complex in structure and inconvenient to operate at present, the manufacturing cost of the device is high, and only single pistons can be detected each time when the device is used, so that the working efficiency cannot be improved.

The prior art scheme (Chinese patent publication No. CN 204269272U) discloses a rubber coating piston friction force testing device, by arranging a pressure pipe, the working state of the piston in a shock absorber is simulated, test data can be effectively and accurately provided, and the weight of a weight is only required to be changed and the data of a force sensor is recorded during the test, so that the operation is very convenient; the whole testing device is simple in structure, low in manufacturing cost, complex in structure compared with a patent, and inconvenient in disassembly and assembly operation, and only can detect an independent piston at each time.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a piston rubber coating friction force detection device for solving the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a piston rubber coating frictional force detection device, includes the base, the upper end fixed mounting of base has the stand, the upper end fixed mounting of stand has the supporting seat, the upper end fixed mounting of supporting seat has the outer sleeve, the outside fixed mounting of outer sleeve has the roof, the upper end of supporting seat is provided with the detection sleeve, the lower extreme fixed mounting of detection sleeve has the connecting sleeve, the upper end fixed mounting of detection sleeve has the connection bucket, the inside fixed mounting of outer sleeve has the jacking cylinder, the outside movable mounting of stand has the elevating socket, the inside movable mounting of supporting seat has the connecting rod, the lower extreme screw thread of connecting rod installs the balancing weight, the outside fixed mounting of connecting rod has the stopper, the upper end screw thread of connecting rod installs the nut, the upper end fixed mounting of elevating socket has the time-recorder.

Preferably, the upright posts are annularly arranged on four sides of the vertical central line of the base, the circle centers of the supporting seats and the circle centers of the base are located on the same vertical line, the outer sleeves are annularly arranged on four sides of the vertical central line of the supporting seats, the circle centers of the top plates and the circle centers of the supporting seats are located on the same vertical line, the upright posts support the supporting seats, and the outer sleeves support the top plates.

Preferably, the detection sleeve is annularly arranged with respect to the vertical center line of the supporting seat, the circle centers of the detection sleeve, the connection sleeve and the connection bucket are positioned on the same vertical line, the connection sleeve is in threaded connection with the supporting seat, the connection bucket is in sleeved connection with the top plate, the detection sleeve is selected according to the size of the piston encapsulation, the detection sleeve is sleeved between the supporting seat and the top plate from the top down, and the connection sleeve at the bottom is rotated to the inside of the supporting seat by the detection sleeve.

Preferably, the center of the lifting seat and the center of the base are positioned on the same vertical line, the output end of the jacking cylinder is fixedly connected with the upper end of the lifting seat, and the jacking cylinder drives the lifting seat to move up and down.

Preferably, the connecting rod is located the inside of detecting sleeve, connecting rod and detecting sleeve one-to-one, the centre of a circle of connecting rod and detecting sleeve's centre of a circle are located same perpendicular line, and rotatory balancing weight makes its bottom of installing to the connecting rod.

Preferably, the limiting block is located in the detection sleeve, the timer is located under the balancing weight, the timer corresponds to the balancing weight one by one, the piston is sleeved at the upper end of the connecting rod from top to bottom, the limiting block supports the bottom of the piston, and the nut is screwed to the upper end of the piston, so that the piston and the connecting rod are assembled together.

Compared with the prior art, the utility model has the beneficial effects that: this piston rubber coating frictional force detection device is provided with four detection sleeves, can detect four piston rubber coatings simultaneously, and detection sleeve can be according to the size of piston dismouting change, sets up the connecting rod in the detection sleeve, and the connecting rod bottom is connected with the balancing weight, and the upper end is connected with the piston, and the balancing weight can be replaced according to the demand, and the balancing weight passes through gravity drive piston downwardly moving, contacts with the time-recorder at last, and whether the frictional force of rubber coating is qualified is judged according to the duration of piston whereabouts to the user, simple structure, easy dismounting operation.

Drawings

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

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Wherein: 1. a base; 2. a column; 3. a support base; 4. an outer sleeve; 5. a top plate; 6. detecting a sleeve; 7. a connecting sleeve; 8. the connecting hopper; 9. jacking the air cylinder; 10. a lifting seat; 11. a connecting rod; 12. balancing weight; 13. a limiting block; 14. a nut; 15. a timer.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the piston rubber coating friction force detection device comprises a base 1, wherein an upright post 2 is fixedly arranged at the upper end of the base 1, a supporting seat 3 is fixedly arranged at the upper end of the upright post 2, an outer sleeve 4 is fixedly arranged at the upper end of the supporting seat 3, a top plate 5 is fixedly arranged at the outer side of the outer sleeve 4, four upright posts 2 are annularly arranged about the vertical central line of the base 1, the circle center of the supporting seat 3 and the circle center of the base 1 are positioned on the same vertical line, four outer sleeves 4 are annularly arranged about the vertical central line of the supporting seat 3, the circle center of the top plate 5 and the circle center of the supporting seat 3 are positioned on the same vertical line, the upright post 2 supports the supporting seat 3, and the outer sleeve 4 supports the top plate 5;

the upper end of the supporting seat 3 is provided with a detection sleeve 6, the lower end of the detection sleeve 6 is fixedly provided with a connection sleeve 7, the upper end of the detection sleeve 6 is fixedly provided with a connection bucket 8, the detection sleeve 6 is annularly arranged four about the vertical central line of the supporting seat 3, the circle centers of the detection sleeve 6, the connection sleeve 7 and the connection bucket 8 are positioned on the same vertical line, the connection sleeve 7 is in threaded connection with the supporting seat 3, the connection bucket 8 is in sleeved connection with the top plate 5, the inside of the outer sleeve 4 is fixedly provided with a jacking cylinder 9, the outer side of the upright post 2 is movably provided with a lifting seat 10, the circle center of the lifting seat 10 and the circle center of the base 1 are positioned on the same vertical line, the output end of the jacking cylinder 9 and the upper end of the lifting seat 10 are fixedly connected, the detection sleeve 6 is selected according to the size of piston encapsulation, the detection sleeve 6 is sleeved between the supporting seat 3 and the top plate 5 from above, the detection sleeve 6 is rotated to enable the connection sleeve 7 at the bottom to the inside of the supporting seat 3, and the jacking cylinder 9 drives the lifting seat 10 to move up and down;

the inside movable mounting of supporting seat 3 has connecting rod 11, connecting rod 11 is located the inside of detecting sleeve 6, connecting rod 11 and detecting sleeve 6 one-to-one, the centre of a circle of connecting rod 11 is located same perpendicular line with detecting sleeve 6's centre of a circle, balancing weight 12 is installed to connecting rod 11's lower extreme screw thread, connecting rod 11's outside fixed mounting has stopper 13, nut 14 is installed to connecting rod 11's upper end screw thread, lifting seat 10's upper end fixed mounting has time-recorder 15, stopper 13 is located detecting sleeve 6's inside, time-recorder 15 is located balancing weight 12 under, time-recorder 15 and balancing weight 12 one-to-one, rotatory balancing weight 12 makes its installation to connecting rod 11's bottom, the piston cup joints the upper end at connecting rod 11 from the top, stopper 13 supports the bottom of piston, screw nut 14 to the upper end of piston, make piston and connecting rod 11 equipment together.

Working principle: firstly, the stand column 2 supports the supporting seat 3, the outer sleeve 4 supports the top plate 5, a proper detection sleeve 6 is selected according to the size of piston rubber coating to be detected, the detection sleeve 6 is sleeved between the supporting seat 3 and the top plate 5 from top to bottom, the detection sleeve 6 is rotated to enable the connecting sleeve 7 at the bottom to be arranged inside the supporting seat 3, the jacking cylinder 9 drives the lifting seat 10 to move upwards, when the upper end of the connecting rod 11 moves to the connecting bucket 8, the nut 14 is loosened, the piston is sleeved at the upper end of the connecting rod 11 from top to bottom, the limiting block 13 supports the bottom of the piston, the nut 14 is screwed to the upper end of the piston, the piston is assembled with the connecting rod 11, the bottom of the balancing block 12 is contacted with the timer 15, then the jacking cylinder 9 drives the lifting seat 10 to move downwards to the upper end of the base 1, the balancing block 12 is separated from the timer 15, the balancing block 12 drives the piston to move downwards through the connecting rod 11, the rubber coating of the piston is attached to the inner side of the detection sleeve 6, the rubber coating is slower than the lifting seat 10 due to friction force, after the balancing block 12 is contacted with the timer 15, the lifting block 15 stops the piston, the supporting seat 10 supports the bottom of the piston, and whether the piston is qualified or not is judged according to the friction force of the piston.

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

1. The utility model provides a piston rubber coating frictional force detection device, includes base (1), its characterized in that: the automatic lifting device is characterized in that an upright post (2) is fixedly arranged at the upper end of the base (1), a supporting seat (3) is fixedly arranged at the upper end of the upright post (2), an outer sleeve (4) is fixedly arranged at the upper end of the supporting seat (3), a top plate (5) is fixedly arranged at the outer side of the outer sleeve (4), a detection sleeve (6) is arranged at the upper end of the supporting seat (3), a connecting sleeve (7) is fixedly arranged at the lower end of the detection sleeve (6), a connecting hopper (8) is fixedly arranged at the upper end of the detection sleeve (6), a jacking cylinder (9) is fixedly arranged inside the outer sleeve (4), a lifting seat (10) is movably arranged at the outer side of the upright post (2), a connecting rod (11) is movably arranged inside the supporting seat (3), a balancing weight (12) is fixedly arranged at the lower end of the connecting rod (11), a limiting block (13) is fixedly arranged at the outer side of the connecting rod (11), a nut (14) is arranged at the upper end of the connecting rod (11) in a threaded manner, and a timer (15) is fixedly arranged at the upper end of the lifting seat (10).

2. The piston encapsulated friction force detection device of claim 1, wherein: the stand (2) is provided with four with respect to the vertical central line of the base (1) in an annular manner, the circle center of the supporting seat (3) and the circle center of the base (1) are positioned on the same vertical line, the outer sleeve (4) is provided with four with respect to the vertical central line of the supporting seat (3) in an annular manner, and the circle center of the top plate (5) and the circle center of the supporting seat (3) are positioned on the same vertical line.

3. The piston encapsulated friction force detection device of claim 1, wherein: the detection sleeve (6) is annularly arranged to four on the vertical center line of the supporting seat (3), the circle centers of the detection sleeve (6), the connection sleeve (7) and the connection bucket (8) are located on the same vertical line, the connection sleeve (7) is in threaded connection with the supporting seat (3), and the connection bucket (8) is in sleeved connection with the top plate (5).

4. The piston encapsulated friction force detection device of claim 1, wherein: the center of the lifting seat (10) and the center of the base (1) are positioned on the same vertical line, and the output end of the lifting cylinder (9) is fixedly connected with the upper end of the lifting seat (10).

5. The piston encapsulated friction force detection device of claim 1, wherein: the connecting rod (11) is located inside the detection sleeve (6), the connecting rod (11) corresponds to the detection sleeve (6) one by one, and the circle center of the connecting rod (11) and the circle center of the detection sleeve (6) are located on the same vertical line.

6. The piston encapsulated friction force detection device of claim 1, wherein: the limiting block (13) is located in the detection sleeve (6), the timer (15) is located under the balancing weight (12), and the timer (15) corresponds to the balancing weight (12) one by one.