CN218823175U

CN218823175U - Test device for O-shaped rubber sealing ring

Info

Publication number: CN218823175U
Application number: CN202223132909.1U
Authority: CN
Inventors: 孙炎
Original assignee: Saite Wuhan Seals Co ltd
Current assignee: Saite Wuhan Seals Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-07
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to a rubber seal tests technical field, especially a O shape rubber seal's test device. The utility model has the advantages that: the connecting column is connected with the second connecting sleeve, the pressing cylinder is driven to press downwards by rotating the lead screw, the O-shaped rubber sealing ring is pressed by the pressing cylinder and the supporting seat together, the pressing cylinder does not rotate in the pressing and loosening processes, the surface of the O-shaped rubber sealing ring cannot be abraded, the connecting column and the second connecting sleeve are fixed firstly by clamping the bolt and the bayonet, then the lead screw is rotated to drive the pressing cylinder to press downwards, the pressing cylinder and the supporting seat press the O-shaped rubber sealing ring together, and when the O-shaped rubber sealing rings in the same batch are installed again for experiments, the connecting column only needs to be inserted back, the bayonet is clamped by the bolt again, so that the installation can be realized, the pressing position of the pressing cylinder is not moved, the pressing force for pressing again is the same, the pressing force for the experiments of the products in the same batch is the same, and the accuracy of the experiments is improved.

Description

Test device for O-shaped rubber sealing ring

Technical Field

The utility model relates to a rubber seal tests technical field, especially a O shape rubber seal's test device.

Background

The O-shaped rubber sealing ring is a general basic element in a sealing device, plays an important role in the contradiction of leakage and sealing, and is widely applied to national economy main industries such as national defense, chemical industry, petroleum, coal, transportation, mechanical manufacturing and the like.

For rubber sealing materials and products, most of the currently common laboratory detection means are based on national standards and industrial standards, and the performance of the rubber sealing materials and products is evaluated according to test conditions and test methods specified by the standards, so that the method has great limitation, the performance change of the rubber products under the actual use working condition cannot be completely reflected, the more and more test data close to the actual use working condition are required in the production and manufacturing processes of various industries, and the test scheme needs to be designed according to the existing detection method and the specific use working condition to meet the requirements of scientific research and production; the utility model discloses a test device of O shape rubber seal circle is disclosed in china utility model CN216116744U, this O shape rubber seal circle's the fine simulation O shape rubber seal circle's of test device in the in-service use state, the test sample of being convenient for in the experimentation dismantles and installs, has greatly protected test sample not damaged, has improved experimental success rate greatly, but this O shape rubber seal circle's test device in use still has following problem:

this O shape rubber seal's test device adopts the spacing module of screw thread screw in, is the action of rotatory pushing down when compressing tightly the rubber circle, can cause the rotatory wearing and tearing of rubber circle, and the dismouting all needs rotatory screw thread to take off in addition, and the dismouting is inconvenient, if when large batch experiment, influences efficiency, and the packing force when compressing tightly at every turn can not stable control, and the packing force is all different when causing the experiment of rubber circle of same batch, influences the accuracy of experiment.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the present invention is to provide a testing apparatus for O-shaped rubber sealing ring, so as to solve the problems mentioned in the background art and overcome the disadvantages existing in the prior art.

In order to realize the above object, an embodiment of the utility model provides a test device of O shape rubber seal, including base flange piece and pressure flange piece, the center department fixedly connected with supporting seat of base flange piece, the center department fixedly connected with second connecting sleeve of supporting seat, the guide way that is used for the direction is all seted up to second connecting sleeve inner wall both sides, the bayonet socket has all been seted up to the bottom of guide way inner wall, the inner wall of second connecting sleeve is pegged graft and is had the spliced pole, the guiding hole has been seted up to the center department of spliced pole bottom, the equal sliding connection in both sides of guiding hole inner wall has the bolt, the guide inclined plane has been seted up at the edge of bolt one end bottom, bolt and guide way sliding connection, bolt and bayonet socket joint, two be provided with reset spring between the bolt, the top fixedly connected with guide cylinder of spliced pole, the direction bar shape hole has all been seted up to the guide cylinder both sides, the center department of guide cylinder inner wall rotates and is connected with the lead screw, the outer wall sliding connection of lead screw has the sliding block, the both sides and the sliding block shape hole sliding connection of sliding block, the common fixedly connected in the outside of pressing cylinder, press from both sides of supporting seat, press from both sides tightly there is O shape rubber seal between cylinder bottom and the top surface.

Preferably, by any one of the above schemes, the center of the hold-down flange piece is fixedly connected with a first connecting sleeve, the diameter of the inner wall of the first connecting sleeve is matched with the diameters of the hold-down cylinder and the outer wall of the supporting seat, the edge of the base flange piece is fixedly connected with a plurality of connecting bolts, and the base flange piece is fixedly connected with the hold-down flange piece through a plurality of connecting bolts and nuts.

The technical effect achieved by adopting the scheme is as follows: the first connecting sleeve is sleeved on the outer walls of the pressing cylinder and the supporting seat, the first connecting sleeve is sleeved outside the O-shaped rubber sealing ring and presses the O-shaped rubber sealing ring, and the using state can be simulated.

Preferably by any one of the above schemes, a bar-shaped through hole is formed in the middle of the bottom surface of the connecting column, the bar-shaped through hole is communicated with the inside of the guide hole, a pulling head is fixedly connected to the middle of one side of the bottom surface of the bolt, the pulling head is connected with the bar-shaped through hole in a sliding manner, and the pulling head penetrates through the bar-shaped through hole to form the bottom surface of the connecting column.

The technical effect achieved by adopting the scheme is as follows: two bolts are conveniently pulled at the bottom through the pulling head to be separated from the bayonet, so that the disassembly is convenient.

Preferably, in any of the above schemes, the width of the plug pin is matched with the widths of the guide groove and the bayonet, the thickness of the plug pin is matched with the height of the inner wall of the bayonet, and the length of the reset spring after reset is not less than the difference of the guide hole minus the lengths of the two plug pins.

The technical effect achieved by adopting the scheme is as follows: the reset spring can push the two bolts out of the guide hole to clamp the bayonet.

Preferably, according to any one of the above schemes, the top of the screw rod penetrates through the center of the top surface of the guide cylinder, the top of the screw rod is fixedly connected with the rotating head, and the length of the guide strip-shaped hole is matched with that of the guide cylinder.

The technical effect achieved by adopting the scheme is as follows: the lead screw is conveniently rotated through the rotating head to carry out packing force adjustment, and the length in direction bar hole can make the length adaptation of accommodation and guide cylinder simultaneously, and the biggest regulation stroke of performance.

By any of the above schemes, preferably, the diameter of the inner wall of the pressing cylinder is matched with the diameter of the outer wall of the second connecting sleeve, and the depth of the inner wall of the pressing cylinder is greater than the height of the second connecting sleeve.

The technical effect achieved by adopting the scheme is as follows: the pressing cylinder can be completely pressed at the top of the O-shaped rubber sealing ring, and the bottom surface of the pressing cylinder can be completely pressed on the top surface of the supporting seat to adapt to the pressing of the O-shaped rubber sealing rings with different thicknesses.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. according to the test device for the O-shaped rubber sealing ring, the connecting column is connected with the second connecting sleeve, then the pressing cylinder is driven to press downwards by rotating the lead screw, so that the pressing cylinder and the supporting seat jointly press the O-shaped rubber sealing ring, the pressing action of vertical pressing is realized, the pressing cylinder does not rotate in the pressing and loosening processes, the surface of the O-shaped rubber sealing ring cannot be abraded, and the abrasion of an experiment on the O-shaped rubber sealing ring is reduced;

2. this O shape rubber seal's test device, fix spliced pole and second connecting sleeve earlier through the mode of bolt and bayonet socket joint, then rotate the lead screw and drive the pressing cylinder and push down, make pressing cylinder and supporting seat compress tightly O shape rubber seal jointly, only need stimulate the bolt to deviate from the bayonet socket and can pull out the spliced pole when dismantling like this, realize O shape rubber seal's dismantlement, and when installing same batch O shape rubber seal once more and experimenting, only need insert the spliced pole back, make the bolt chucking bayonet socket once more, alright realize the installation, and the position that compresses tightly of pressing cylinder does not move, make the packing force that compresses tightly once more the same, make the packing force when same batch product experiment the same, the accuracy of experiment is improved, the efficiency of O shape rubber seal dismouting has been improved simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of a base flange plate of the present invention;

FIG. 4 is a schematic structural view of the guide cylinder of the present invention;

fig. 5 is a schematic structural view of the compressing cylinder of the present invention.

In the figure: 1-base flange piece, 2-supporting seat, 3-guiding cylinder, 4-sliding block, 5-pressing cylinder, 6-O-shaped rubber sealing ring, 7-rotating head, 8-guiding strip-shaped hole, 9-pressing flange piece, 10-first connecting sleeve, 11-connecting bolt, 12-second connecting sleeve, 13-connecting column, 14-guiding hole, 15-bolt, 16-reset spring, 17-pulling head, 18-strip-shaped through hole, 19-guiding groove, 20-bayonet and 21-lead screw.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

The first embodiment is as follows: as shown in fig. 1 to 5, a test device for O-shaped rubber sealing ring, which comprises a base flange sheet 1 and a pressing flange sheet 9, a support seat 2 is fixedly connected with the center of the base flange sheet 1, a second connecting sleeve 12 is fixedly connected with the center of the support seat 2, guide grooves 19 for guiding are respectively provided on two sides of the inner wall of the second connecting sleeve 12, bayonets 20 are respectively provided on the bottom of the inner wall of the guide grooves 19, a connecting column 13 is inserted into the inner wall of the second connecting sleeve 12, a guide hole 14 is provided at the center of the bottom of the connecting column 13, bolts 15 are respectively slidably connected with two sides of the inner wall of the guide hole 14, guide slopes are provided at the edge of the bottom of one end of each bolt 15, each bolt 15 is slidably connected with the corresponding guide groove 19, each bolt 15 is clamped with the corresponding bayonet 20, a reset spring 16 is provided between the two bolts 15, a guide cylinder 3 is fixedly connected with the top of the connecting column 13, guide cylinder 8 is provided on two sides of the guide cylinder 3, a guide bar-shaped hole 8 is rotatably connected with the center sliding block of the inner wall of the guide cylinder 3, a lead screw 21 is rotatably connected with the outer wall of the guide cylinder, sliding block 4 is slidably connected with a sliding block 4, a sliding block 5, a bottom of the pressing cylinder 5 is fixedly connected with a rubber sealing ring 6, and a bottom of the pressing cylinder 2.

As an optional technical scheme of the utility model, the first connecting sleeve 10 of fixedly connected with of center department of hold-down flange piece 9, the diameter of first connecting sleeve 10 inner wall and the diameter looks adaptation of 5 and 2 outer walls of supporting seat of compression cylinder, a plurality of connecting bolt 11 of the marginal fixedly connected with of base flange piece 1, base flange piece 1 and hold-down flange piece 9 are through a plurality of connecting bolt 11 cooperation nut fixed connection, be connected base flange piece 1 and hold-down flange piece 9, make first connecting sleeve 10 cover at 5 and 2 outer walls of supporting seat of compression cylinder, make first connecting sleeve 10 cover outside O shape rubber seal 6, and compress tightly O shape rubber seal 6, can simulate out user state.

As the utility model discloses an optional technical scheme, bar through-hole 18 has been seted up at the middle part of spliced pole 13 bottom surface, and bar through-hole 18 is linked together with the inside of guiding hole 14, and the middle part fixedly connected with pulling head 17 of 15 bottom surface one sides of bolt, pulling

head

17 and 18 sliding connection of bar through-hole, pulling head 17 runs through out spliced pole 13 bottom surface through bar through-hole 18, conveniently pulls two bolts 15 in the bottom through pulling head 17 and deviate from bayonet socket 20, conveniently dismantles.

As an optional technical scheme of the utility model, the width of bolt 15 and the width looks adaptation of guide way 19 and bayonet socket 20, the high looks adaptation of the thickness of bolt 15 and bayonet socket 20 inner wall, length after reset spring 16 resets is not less than the difference that two bolt 15 length were subtracted to guiding hole 14 to make reset spring 16 can push out guiding hole 14 with two bolt 15, make its chucking bayonet socket 20.

As a selectable technical scheme of the utility model, the top of lead screw 21 runs through the center department of 3 top surfaces of guide cylinder, and lead screw 21's top fixedly connected with rotating head 7, the length in direction bar hole 8 and the length looks adaptation of guide cylinder 3 conveniently rotate lead screw 21 through rotating head 7 and carry out the packing force and adjust, and the length in direction bar hole 8 can make the length adaptation of control range and guide cylinder 3 simultaneously, exerts the biggest regulation stroke.

As an optional technical scheme of the utility model, the diameter of 5 inner walls of clamping cylinder and the diameter looks adaptation of 12 outer walls of second connecting sleeve, the degree of depth of 5 inner walls of clamping cylinder are greater than the height of 12 of second connecting sleeve to make clamping cylinder 5 can press completely at the top of O

shape rubber seal

6, 5 bottom surfaces of clamping cylinder can press the top surface of supporting seat 2 completely simultaneously, in order to adapt to compressing tightly of different thickness O shape rubber seal.

The utility model provides a test device of O shape rubber seal, theory of operation as follows:

1) Firstly, sleeving an O-shaped rubber sealing ring 6 on the outer wall of a second connecting sleeve 12 and tightly attaching to the top surface of a supporting seat 2;

2) Then, the connecting column 13 is inserted into the connecting sleeve 12, the inserting pin 1 is tightly clamped with the bayonet 20, and the connecting column 13 is connected with the second connecting sleeve 12;

3) Then, the pressing cylinder 5 is driven to press downwards by rotating the screw rod 21, so that the pressing cylinder 5 and the supporting seat 2 jointly press the O-shaped rubber sealing ring 6, and the pressing action of vertical pressing is realized;

4) After the pressing in place, the base flange piece 1 is connected with the pressing flange piece 9, the first connecting sleeve 10 is sleeved on the outer walls of the pressing cylinder 5 and the supporting seat 2, the first connecting sleeve 10 is sleeved outside the O-shaped rubber sealing ring 6 and presses the O-shaped rubber sealing ring 6, the use state is simulated, and then the aging experiment is carried out.

In conclusion, according to the test device for the O-shaped rubber sealing ring, the connecting column 13 is connected with the second connecting sleeve 12, then the pressing cylinder 5 is driven to press downwards by rotating the screw 21, the pressing cylinder 5 and the supporting seat 2 are enabled to press the O-shaped rubber sealing ring 6 together, the pressing action of vertical pressing downwards is realized, the pressing cylinder 5 does not rotate in the pressing and loosening processes, the surface of the O-shaped rubber sealing ring 6 cannot be abraded, the abrasion of the O-shaped rubber sealing ring 6 caused by the test is reduced, the connecting column 13 and the second connecting sleeve 12 are fixed firstly in the mode that the bolt 15 is clamped with the bayonet 20, then the screw 21 is rotated to drive the pressing cylinder 5 to press downwards, the O-shaped rubber sealing ring 6 is enabled to be pressed tightly by the pressing cylinder 5 and the supporting seat 2 together, the bolt 15 is pulled out of the bayonet 20 in the dismounting process, the dismounting of the O-shaped rubber sealing ring 6 is realized, the dismounting of the O-shaped rubber sealing ring 6 in the same batch is realized by mounting the O-shaped rubber sealing ring 6 in the same batch, the pressing force is improved, and the dismounting efficiency of the O-shaped rubber sealing ring in the test is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test device of O shape rubber seal which characterized in that: comprises a base flange piece (1) and a pressing flange piece (9), a supporting seat (2) is fixedly connected at the center of the base flange piece (1), a second connecting sleeve (12) is fixedly connected at the center of the supporting seat (2), guide grooves (19) for guiding are respectively arranged at two sides of the inner wall of the second connecting sleeve (12), bayonets (20) are respectively arranged at the bottoms of the inner walls of the guide grooves (19), connecting columns (13) are inserted into the inner walls of the second connecting sleeve (12), guide holes (14) are respectively arranged at the center of the bottoms of the connecting columns (13), bolts (15) are respectively and slidably connected at two sides of the inner wall of each guide hole (14), guide inclined planes are respectively arranged at the edges of the bottoms of one ends of the bolts (15), the bolts (15) are slidably connected with the guide grooves (19), the bolts (15) are connected with the bayonets (20), a reset spring (16) is arranged between the two bolts (15), guide cylinders (3) are fixedly connected at the tops of the connecting columns (13), guide holes (8) are respectively arranged at two sides of the guide cylinders (3), sliding blocks (21) are slidably connected with sliding blocks (4) at the center of the sliding block (4), and sliding blocks (8) are connected with sliding blocks (4) at the sliding blocks (21) at the outer wall of the sliding block of the guide screw rod (4), the outer side of the sliding block (4) is fixedly connected with a pressing cylinder (5) together, and an O-shaped rubber sealing ring (6) is clamped between the bottom of the pressing cylinder (5) and the top surface of the supporting seat (2).

2. The testing device for the O-shaped rubber sealing ring according to claim 1, characterized in that: the center department fixedly connected with of pressing flange piece (9) first connecting sleeve (10), the diameter of first connecting sleeve (10) inner wall and the diameter looks adaptation of pressing cylinder (5) and supporting seat (2) outer wall, a plurality of connecting bolt (11) of edge fixedly connected with of base flange piece (1), base flange piece (1) and pressing flange piece (9) are through a plurality of connecting bolt (11) cooperation nut fixed connection.

3. The testing device for the O-shaped rubber sealing ring according to claim 2, characterized in that: strip through-hole (18) have been seted up at the middle part of spliced pole (13) bottom surface, strip through-hole (18) are linked together with the inside of guiding hole (14), middle part fixedly connected with pulling head (17) of bolt (15) bottom surface one side, pulling head (17) and strip through-hole (18) sliding connection, pulling head (17) run through out spliced pole (13) bottom surface through strip through-hole (18).

4. The testing device for the O-shaped rubber sealing ring according to claim 3, characterized in that: the width of the plug pin (15) is matched with the widths of the guide groove (19) and the bayonet (20), the thickness of the plug pin (15) is matched with the height of the inner wall of the bayonet (20), and the length of the reset spring (16) is not less than the difference of the guide hole (14) minus the lengths of the two plug pins (15).

5. The testing device for the O-shaped rubber sealing ring according to claim 4, characterized in that: the top of lead screw (21) passes through the center department of guide cylinder (3) top surface, the top fixedly connected with rotating head (7) of lead screw (21), the length of direction strip hole (8) and the length looks adaptation of guide cylinder (3).

6. The testing device for the O-shaped rubber sealing ring according to claim 5, characterized in that: the diameter of the inner wall of the pressing cylinder (5) is matched with the diameter of the outer wall of the second connecting sleeve (12), and the depth of the inner wall of the pressing cylinder (5) is larger than the height of the second connecting sleeve (12).