Experimental device for silica gel sealing ring

Abstract

The utility model relates to the technical field of sealing ring experiments, and discloses a silica gel sealing ring experiment device which comprises a mounting seat, a connecting plate is fixedly mounted on the upper surface of the mounting seat, a vertical plate is fixedly connected to the upper surface of the connecting plate, an adjusting groove is formed in the upper surface of the connecting plate, and a horizontal adjusting unit is mounted in the adjusting groove. The horizontal adjusting unit is provided with a plurality of fixing sleeves which are sequentially and fixedly connected, the inner diameters of the fixing sleeves are sequentially decreased, the inner diameter of one fixing sleeve close to the vertical plate is the largest, and the horizontal adjusting unit adjusts the horizontal positions of the fixing sleeves; the sleeve columns with various outer diameters are adopted and matched with the fixing sleeves with various inner diameters, the silica gel sealing ring is arranged on the sleeve column with the matched size in a sleeving mode, the reciprocating pushing unit is used for driving the sleeve column to drive the silica gel sealing ring to move in the matched fixing sleeve in a reciprocating mode, then a friction fatigue test is conducted on the silica gel sealing ring, the overall structure is simple, the operation is convenient, and the practicability is high. The device is suitable for experiment operation of silica gel sealing rings of various sizes, and the overall manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing ring experiments, in particular to a silicone sealing ring experiment device. Background Art

[0002] Silicone sealing ring is a kind of sealing material made of high-purity silicone material, mainly used in the sealing parts of various mechanical equipment and instruments. Among them, silicone sealing ring prevents the leakage of liquid and gas media under static conditions of mechanical parts. Under certain working conditions, it can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotation motion.

[0003] In the prior art, when selecting a silicone sealing ring, it is necessary to perform a friction fatigue test on the sealing ring spline. However, the existing equipment for the friction fatigue test of the sealing ring is relatively complicated, and each sealing ring requires a matching structure to be installed before the friction fatigue test can be performed. The adaptability is poor and the cost is high. Therefore, a silicone sealing ring test device is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a silicone sealing ring experimental device, which has low manufacturing cost and better adaptability and meets the experimental requirements of sealing rings of various sizes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicone sealing ring experimental device, comprising a mounting seat, a connecting plate fixedly mounted on the upper surface of the mounting seat, a vertical plate fixedly connected to the upper surface of the connecting plate, an adjustment groove opened on the upper surface of the connecting plate, a horizontal adjustment unit installed in the adjustment groove, a plurality of fixed sleeves with decreasing inner diameters and fixedly connected in sequence installed on the horizontal adjustment unit, one of the fixed sleeves close to the vertical plate has the largest inner diameter, the horizontal adjustment unit adjusts the horizontal positions of the plurality of fixed sleeves, a reciprocating pushing unit is installed between the vertical plate and the connecting plate, a plurality of sleeve columns with decreasing outer diameters and fixedly connected in sequence are installed at one end of the reciprocating pushing unit, one of the sleeve columns close to the vertical plate has the largest outer diameter, sleeve grooves are opened on the outer walls of the plurality of sleeve columns, the inner diameter sizes of the plurality of fixed sleeves match the outer diameter sizes of the plurality of sleeve columns, and the reciprocating pushing unit pushes the plurality of sleeve columns to reciprocate in the matching plurality of fixed sleeves.

[0006] Preferably, the reciprocating pushing unit includes a sliding rod slidably connected in the vertical plate and a driving motor fixedly mounted on the upper surface of the connecting plate, one end of the sliding rod is fixedly connected to the end surface of the adjacent sleeve column, the other end of the sliding rod is fixedly connected to the sliding sleeve, the output end of the driving motor is fixedly connected to the turntable, the upper surface of the turntable is fixedly connected to the eccentric rod, and the eccentric rod is slidably connected in the sliding sleeve.

[0007] Preferably, the horizontal adjustment unit includes a threaded rod rotatably connected in the adjustment groove, one end of the threaded rod passes through the outside of the connecting plate and is fixedly connected to a handle, the outer wall of the threaded rod is threadedly connected to a plurality of support frames slidably connected to the inner wall of the adjustment groove, and the upper ends of the plurality of support frames are respectively fixedly connected to the outer walls of a plurality of fixed sleeves.

[0008] Preferably, the outer end of one of the fixing sleeves away from the vertical plate is a sealing structure, and the outer wall surface of the fixing sleeve is fixedly connected to an air inlet pipe.

[0009] Preferably, a pressure gauge is installed on the outer end surface of one of the fixing sleeves away from the vertical plate, and one end of the pressure gauge extends into the fixing sleeve.

[0010] Preferably, the outer walls of the plurality of sleeve columns are provided with a plurality of sleeve grooves, and the sizes of the plurality of sleeve grooves decrease or increase successively.

[0011] Preferably, two stabilizing rods are fixedly connected to the outer wall of one of the sleeve columns close to the vertical plate, and one end of the two stabilizing rods passes through the vertical plate and is slidably connected thereto.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the present invention, sleeves with various outer diameters are used in combination with fixed sleeves with various inner diameters. The silicone sealing ring is sleeved on the sleeve of the appropriate size. The sleeve is driven by a reciprocating push unit to drive the silicone sealing ring to reciprocate in the appropriate fixed sleeve, thereby performing a friction fatigue test on the silicone sealing ring. The overall structure is simple, and it is suitable for experimental operation of silicone sealing rings of various sizes, and the overall manufacturing cost is low.

[0014] 2. The utility model installs an air inlet pipe and a pressure gauge on the fixed sleeve, thereby transmitting gas to the inside of the fixed sleeve and between the sleeve column, and then testing the sealing condition of the silicone sealing ring in the friction experiment, thereby increasing the types of experiments.

[0015] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of another state of the fixing sleeve of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the reciprocating driving unit of the utility model;

[0019] Figure 4 This is a schematic diagram of the matching structure of the sleeve column and the fixed sleeve of the utility model;

[0020] Figure 5 It is a schematic diagram of the separation structure of the sleeve column and the fixed sleeve of the utility model.

[0021] In the figure: 1. mounting base; 2. connecting plate; 3. vertical plate; 4. reciprocating driving unit; 41. sliding rod; 42. sliding sleeve; 43. driving motor; 44. turntable; 45. eccentric rod; 5. sleeve column; 6. horizontal adjustment unit; 61. threaded rod; 62. handle; 63. support frame; 7. fixing sleeve; 8. air inlet pipe; 9. pressure gauge; 10. adjustment slot; 11. sleeve slot; 12. stabilizer bar. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this technical field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The silicone sealing ring experimental device of this embodiment includes a mounting seat 1, a connecting plate 2 is fixedly mounted on the upper surface of the mounting seat 1, a vertical plate 3 is fixedly connected to the upper surface of the connecting plate 2, an adjusting groove 10 is opened on the upper surface of the connecting plate 2, a horizontal adjusting unit 6 is installed in the adjusting groove 10, a plurality of fixing sleeves 7 with decreasing inner diameters and fixedly connected in sequence are installed on the horizontal adjusting unit 6, one of the fixing sleeves 7 close to the vertical plate 3 has the largest inner diameter, and the horizontal adjusting unit 6 adjusts the horizontal positions of the plurality of fixing sleeves 7, a reciprocating pushing unit 4 is installed between the vertical plate 3 and the connecting plate 2, a plurality of sleeve columns 5 with decreasing outer diameters and fixedly connected in sequence are installed at one end of the reciprocating pushing unit 4, a plurality of sleeve columns 5 with decreasing outer diameters and fixedly connected in sequence are installed, one of the sleeve columns 5 close to the vertical plate 3 has the largest outer diameter, sleeve grooves 11 are opened on the outer walls of the plurality of sleeve columns 5, the inner diameter size of the plurality of fixing sleeves 7 matches the outer diameter size of the plurality of sleeve columns 5, and the reciprocating pushing unit 4 pushes the plurality of sleeve columns 5 to reciprocate in the matching plurality of fixing sleeves 7.

[0024] like Figure 1-5As shown, the structure of the silicone sealing ring experimental device in the utility model is similar to the structure of the existing silicone sealing ring experimental device. The main improvement of the utility model is that the manufacturing cost is low, the adaptability is better, and the experimental requirements of sealing rings of various sizes are met. When the silicone sealing ring needs to be fatigue tested, the silicone sealing ring is sleeved in the sleeve groove 11 of the outer wall of one of the sleeve columns 5 adapted thereto. At this time, the horizontal adjustment unit 6 is used to move multiple fixed sleeves 7 so that the fixed sleeve 7 adapted to the silicone sealing ring sleeve is sleeved on its outer wall, and the silicone sealing ring sleeve is against the inner wall of the fixed sleeve 7. At this time, the reciprocating pushing unit 4 can be started to drive the multiple sleeve columns 5 to move back and forth, so that the sleeve column 5 drives the silicone sealing ring sleeve to slide in the fixed sleeve 7, thereby generating friction on the silicone sealing ring sleeve, and conducting fatigue tests on the silicone sealing ring sleeve. Sleeve columns 5 with various outer diameters are used to cooperate with fixed sleeves 7 with various inner diameters to adapt to silicone sealing rings of various sizes for experimental operation, and the overall structure is simple, the manufacturing cost is low, and the experimental operation is convenient.

[0025] like Figure 1 , 3 As shown in Figure 4, the reciprocating pushing unit 4 includes a sliding rod 41 slidably connected in the vertical plate 3 and a driving motor 43 fixedly installed on the upper surface of the connecting plate 2, one end of the sliding rod 41 is fixedly connected to the end face of the adjacent sleeve column 5, the other end of the sliding rod 41 is fixedly connected to the sliding sleeve 42, the output end of the driving motor 43 is fixedly connected to a turntable 44, the upper surface of the turntable 44 is fixedly connected to an eccentric rod 45, and the eccentric rod 45 is slidably connected in the sliding sleeve 42; when it is necessary to make the sleeve column 5 drive the silicone sealing ring to reciprocate in the fixed sleeve 7, the driving motor 43 is started, the driving motor 43 drives the turntable 44 to rotate, the turntable 44 drives the eccentric rod 45 to rotate, the eccentric rod 45 slides in the sliding sleeve 42, and then drives the sliding sleeve 42 to reciprocate, the sliding sleeve 42 drives the sliding rod 41 to slide in the vertical plate 3, the sliding rod 41 drives multiple sleeve columns 5 to move, and then the silicone sealing ring and the inner wall of the fixed sleeve 7 generate friction, so as to realize fatigue test.

[0026] Among them, the above-mentioned drive motor 43 can be purchased on the market. It is a mature technology and has been fully disclosed, so it is not repeated in the specification. The drive motor 43 is equipped with a power connection line, and it is electrically connected to the external main controller and 220V phase voltage (or 380V line voltage) through the power line, and the main controller can be a conventional known device such as a computer that plays a control role.

[0027] like Figure 2 , 4As shown, the horizontal adjustment unit 6 includes a threaded rod 61 rotatably connected to the adjustment groove 10, one end of the threaded rod 61 passes through the outside of the connecting plate 2 and is fixedly connected to a twist handle 62, the outer wall of the threaded rod 61 is threadedly connected to a plurality of support frames 63 slidably connected to the inner wall of the adjustment groove 10, and the upper ends of the plurality of support frames 63 are respectively fixedly connected to the outer walls of a plurality of fixed sleeves 7; after the silicone sealing ring is sleeved on the outside of the sleeve column 5, the twist handle 62 is rotated to make the twist handle 62 drive the threaded rod 61 to rotate, the threaded rod 61 drives the two support frames 63 to slide in the adjustment groove 10, and the support frame 63 drives the fixed sleeve 7 to approach the sleeve column 5, so that the fixed sleeve 7 is sleeved outside the silicone sealing ring, which is convenient for moving the plurality of fixed sleeves 7, and then convenient for installing or removing the silicone sealing ring.

[0028] like Figure 1 As shown, the outer end of one of the fixed sleeves 7 away from the vertical plate 3 is a sealing structure, and the outer wall surface of the fixed sleeve 7 is fixedly connected to an air inlet pipe 8; after the silicone sealing ring is sleeved on the outside of the sleeve column 5, and the fixed sleeve 7 is sleeved on the silicone sealing ring, air can be ventilated to the interior of the multiple fixed sleeves 7 through the air inlet pipe 8. The inner diameter of the fixed sleeve 7 is larger than the outer diameter of the matching sleeve column 5, and then when the silicone sealing ring moves and rubs against the inner wall of the fixed sleeve 7, the gas entering between the fixed sleeve 7 and the sleeve column 5 can detect the sealing effect between the silicone sealing ring and the fixed sleeve 7, and then the sealing performance of the silicone sealing ring can be experimented.

[0029] like Figure 1 As shown, a pressure gauge 9 is installed on the outer end surface of one of the fixed sleeves 7 away from the vertical plate 3, and one end of the pressure gauge 9 extends into the fixed sleeve 7; the air pressure of the gas entering between the fixed sleeve 7 and the sleeve column 5 from the air inlet pipe 8 is displayed by the pressure gauge 9, which makes it easy to observe the sealing effect of the silicone sealing ring and facilitate the experiment.

[0030] like Figure 5 As shown, there are multiple sleeve grooves 11 opened on the outer walls of multiple sleeve columns 5, and the sizes of the multiple sleeve grooves 11 decrease or increase successively; different types of silicone sealing rings can be set in sleeve grooves 11 of different sizes to improve adaptability and meet the experiments of different types of silicone sealing rings.

[0031] like Figure 3 , 4 As shown, two stabilizing rods 12 are fixedly connected to the outer wall of one of the sleeve columns 5 close to the vertical plate 3, and one end of the two stabilizing rods 12 passes through the vertical plate 3 and is slidably connected thereto; when the sleeve column 5 is driven to reciprocate by the reciprocating pushing unit 4, the sleeve column 5 drives the stabilizing rods 12 to slide reciprocally on the vertical plate 3, and the stabilizing rods 12 improve the stability of the sleeve column 5.

[0032] The implementation steps in this embodiment are as follows: when fatigue test of the silicone sealing ring is required, the silicone sealing ring is sleeved in the sleeve groove 11 of the outer wall of one of the sleeve columns 5 adapted thereto, and the screw handle 62 is rotated at this time to make the screw handle 62 drive the threaded rod 61 to rotate, and the threaded rod 61 drives the two support frames 63 to slide in the adjustment groove 10, and the support frame 63 drives the fixed sleeve 7 to approach the sleeve column 5, so that the fixed sleeve 7 is sleeved outside the silicone sealing ring, and the fixed sleeve 7 adapted to the silicone sealing ring sleeve is sleeved on its outer wall, and the silicone sealing ring sleeve is against the inner wall of the fixed sleeve 7, and the drive motor 43 is started, and the drive motor 43 is driven. The machine 43 drives the turntable 44 to rotate, the turntable 44 drives the eccentric rod 45 to rotate, the eccentric rod 45 slides in the sliding sleeve 42, and then drives the sliding sleeve 42 to move back and forth, the sliding sleeve 42 drives the sliding rod 41 to slide in the vertical plate 3, the sliding rod 41 drives multiple sleeve columns 5 to move, and then the silicone sealing ring and the inner wall of the fixed sleeve 7 produce friction, and the silicone sealing ring is fatigue tested. The multiple fixed sleeves 7 can also be ventilated through the air inlet pipe 8, and the gas enters between the fixed sleeve 7 and the sleeve column 5. The gas pressure is displayed by the barometer 9, and then the sealing performance of the silicone sealing ring is tested.

[0033] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A silicone sealing ring experimental device, comprising a mounting seat (1), characterized in that: A connecting plate (2) is fixedly mounted on the upper surface of the mounting seat (1), a vertical plate (3) is fixedly connected to the upper surface of the connecting plate (2), an adjustment groove (10) is provided on the upper surface of the connecting plate (2), a horizontal adjustment unit (6) is installed in the adjustment groove (10), a plurality of fixing sleeves (7) with decreasing inner diameters and fixedly connected in sequence are installed on the horizontal adjustment unit (6), one of the fixing sleeves (7) close to the vertical plate (3) has the largest inner diameter, the horizontal adjustment unit (6) adjusts the horizontal positions of the plurality of fixing sleeves (7), and the vertical plate A reciprocating driving unit (4) is installed between the vertical plate (3) and the connecting plate (2), and one end of the reciprocating driving unit (4) is installed with a plurality of sleeves (5) with outer diameters decreasing in sequence and fixedly connected in sequence, one of the sleeves (5) close to the vertical plate (3) has the largest outer diameter, and the outer walls of the plurality of sleeves (5) are all provided with sleeve grooves (11), and the inner diameters of the plurality of fixed sleeves (7) are matched with the outer diameters of the plurality of sleeves (5), and the reciprocating driving unit (4) drives the plurality of sleeves (5) to reciprocate in the matched plurality of fixed sleeves (7).

2. A silicone sealing ring experimental device according to claim 1, characterized in that: The reciprocating driving unit (4) comprises a sliding rod (41) slidably connected in the vertical plate (3) and a driving motor (43) fixedly mounted on the upper surface of the connecting plate (2); one end of the sliding rod (41) is fixedly connected to the end surface of the adjacent sleeve column (5); the other end of the sliding rod (41) is fixedly connected to a sliding sleeve (42); the output end of the driving motor (43) is fixedly connected to a rotating disk (44); the upper surface of the rotating disk (44) is fixedly connected to an eccentric rod (45); and the eccentric rod (45) is slidably connected in the sliding sleeve (42).

3. A silicone sealing ring experimental device according to claim 2, characterized in that: The horizontal adjustment unit (6) comprises a threaded rod (61) rotatably connected in the adjustment groove (10), one end of the threaded rod (61) passes through the outside of the connection plate (2) and is fixedly connected to a twist handle (62), the outer wall of the threaded rod (61) is threadedly connected to a plurality of support frames (63) slidably connected to the inner wall of the adjustment groove (10), and the upper ends of the plurality of support frames (63) are respectively fixedly connected to the outer walls of the plurality of fixing sleeves (7).

4. A silicone sealing ring experimental device according to claim 3, characterized in that: The outer end of one of the fixed sleeves (7) away from the vertical plate (3) is a sealing structure, and the outer wall surface of the fixed sleeve (7) is fixedly connected to an air inlet pipe (8).

5. A silicone sealing ring experimental device according to claim 4, characterized in that: A barometer (9) is installed on the outer end surface of one of the fixing sleeves (7) away from the vertical plate (3), and one end of the barometer (9) extends into the fixing sleeve (7).

6. A silicone sealing ring experimental device according to claim 1, characterized in that: The outer walls of the plurality of sleeve columns (5) are provided with a plurality of sleeve grooves (11), and the sizes of the plurality of sleeve grooves (11) decrease or increase in sequence.

7. A silicone sealing ring experimental device according to claim 2, characterized in that: Two stabilizing rods (12) are fixedly connected to the outer wall of one of the sleeve columns (5) close to the vertical plate (3), and one end of the two stabilizing rods (12) penetrates the vertical plate (3) and is slidably connected thereto.

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