CN209557660U - A kind of inclined internal screw thread sealing ring - Google Patents

Abstract

The utility model discloses a kind of inclined internal screw thread sealing rings, including upper seal, oblique sealing ring, lower seal, external screw thread is set on the outside of the upper seal, the oblique sealing ring is set on the downside of the upper seal, the lower seal is set on the downside of the oblique sealing ring, spin slot is set among the lower seal lower surface, pressure sensor is set in the middle part of the upper seal lower surface, inner wall is arranged in the oblique sealing ring inner surface, the lower seal is internally located at the spin slot two sides and the first air inlet is respectively set, second air inlet, the first check valve is arranged in first air inlet lower end, the setting of first check valve two sides unscrews line, second one-way valve is arranged in second air inlet lower end, internal screw thread is set on the outside of the external screw thread.Beneficial effect is: the utility model can realize the sealing in hydraulic pneumatic shuttle duct, and easy for assemble or unload, sealing effect is good, and structure is simple, maintenance easy to maintain.

Description

A kind of inclined internal screw thread sealing ring

Technical field

The utility model relates to oblique seal ring apparatus fields, and in particular to a kind of inclined internal screw thread sealing ring.

Background technique

Sealing ring, the circular cowling being made of one or several parts are fixed on a lasso or washer for bearing simultaneously The narrow labyrinth clearance with another lasso or washer contacts or formation prevents lubricating oil leakage and foreign object intrusion, but existing sealing Coil structures are complicated, sealing effect is bad, and installing and dismounting is inconvenient, require to use inclined sealing ring in general machine, tiltedly The material of formula sealing ring has very much, wherein with rubber with the in the majority of metal material, due to technique requirement, and generally in organic solvent, Oil, water crystallization are strong, metallic packing ring can be used in high viscosity liquid slurry, traditional inclined sealing ring is all irony or aluminium Alloy, but the fusing point of iron and aluminium is relatively low and metal activity is stronger, therefore, the sealing ring of both materials production Service life is all shorter, and when being sealed operation, the place contacted among sealing ring can generate friction, due to tradition The limitation of technique, the sealing ring processed cannot radiate well, and the metal strength of iron and aluminium alloy is with heat dissipation Property be not able to satisfy the requirement of the prior art, therefore be easy to have an impact machinery, influence being normally carried out for the production order, reduce The production efficiency of enterprise, meanwhile, structure is complicated for existing oblique seal ring, and liner is easy to fall off, lead to poor sealing effect, and And liner also increases the difficulty of installation, increases the difficulty of maintenance and maintenance.

Summary of the invention

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of inclined internal screw thread sealing ring.

The utility model achieves the above object through the following technical schemes:

A kind of inclined internal screw thread sealing ring, including upper seal, oblique sealing ring, lower seal, the upper seal outside External screw thread is set, the oblique sealing ring is set on the downside of the upper seal, the lower seal is set on the downside of the oblique sealing ring, Spin slot is set among the lower seal lower surface, pressure sensor is set in the middle part of the upper seal lower surface, it is described tiltedly close Seal inner surface be arranged inner wall, the lower seal be internally located at the spin slot two sides be respectively set the first air inlet, second into The first check valve is arranged in stomata, first air inlet lower end, and the setting of first check valve two sides unscrews line, described second into Second one-way valve is arranged in stomata lower end, and internal screw thread is arranged on the outside of the external screw thread, and cabinet wall, institute is arranged in the internal screw thread other side It states and hole wall is set among cabinet wall.

In above structure, staff is first screwed into the internal screw thread in the cabinet wall described, described Oblique sealing ring is bonded the hole wall, the cabinet wall can be fully sealed, when highly pressurised liquid or height are arranged at cabinet wall lower part When body of calming the anger passes through, first air inlet, described second are directly entered by first check valve, the second one-way valve Air inlet enters back into the inner wall, and the high-pressure fluid in the inner wall oppresses the inner wall, and the inner wall is oppressed described oblique again Sealing ring, the oblique sealing ring compress the hole wall, completely enclose the gap between the hole wall and the oblique sealing ring, compress Power is equal with the Fluid pressure of cabinet wall lower part, so will not reveal, the flowing in the pipeline of cabinet wall lower part When, due to the effect of first check valve, the second one-way valve, the fluid in the inner wall still maintains certain pressure Power is adjusted to value appropriate under the detection effect of the pressure sensor, still seals, make in the cabinet wall lower pipeline Residual fluid do not reveal, when needing to remove the oblique seal ring, it is only necessary to line is unscrewed described in turn, can release it is described in Fluid in wall, makes the pressure reduction in the inner wall, and the oblique sealing ring no longer compresses the hole wall, at this moment need to only use screw Spin slot described in knife turn can easily remove the oblique seal ring.

In order to further increase the quality of oblique seal ring, the external screw thread is taken shape in the upper seal, described oblique Sealing ring takes shape in the upper seal, and the lower seal takes shape on the oblique sealing ring.

In order to further increase the quality of oblique seal ring, the spin slot is taken shape in the lower seal, the pressure Sensor bolt is connected in the upper seal.

In order to further increase the quality of oblique seal ring, the inner wall is taken shape on the oblique sealing ring, and described first Air inlet, second air inlet take shape in the lower seal.

In order to further increase the quality of oblique seal ring, the line that unscrews is taken shape on first check valve.

In order to further increase the quality of oblique seal ring, the internal screw thread is threaded on the external screw thread.

In order to further increase the quality of oblique seal ring, the forming internal threads are on the cabinet wall, the hole wall It takes shape on the cabinet wall.

Beneficial effect is: the utility model can realize the sealing in hydraulic pneumatic shuttle duct, easy for assemble or unload, close Envelope effect is good, and structure is simple, maintenance easy to maintain.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of inclined internal screw thread sealing ring described in the utility model；

Fig. 2 is a kind of front section view of inclined internal screw thread sealing ring described in the utility model；

Fig. 3 is a kind of side view of inclined internal screw thread sealing ring described in the utility model.

The reference numerals are as follows:

1, upper seal；2, external screw thread；3, oblique sealing ring；4, lower seal；5, spin slot；6, the first air inlet；7, second Air inlet；8, inner wall；9, the first check valve；10, second one-way valve；11, pressure sensor；12, line is unscrewed；13, internal screw thread； 14, cabinet wall；15, hole wall.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

As shown in Figure 1-Figure 3, a kind of inclined internal screw thread sealing ring, including upper seal 1, oblique sealing ring 3, lower seal 4, External screw thread 2 is set on the outside of upper seal 1, and the effect of external screw thread 2 mainly cooperates with internal screw thread 13, fixed device, upper seal 1 Oblique sealing ring 3 is arranged in downside, and the effect of oblique sealing ring 3 is mainly made of elastic material, can under pressure, hold-down apertures Wall 15 plays sealing function, and lower seal 4 is arranged on the downside of oblique sealing ring 3, spin slot 5, rotation are arranged among 4 lower surface of lower seal The effect of slot 5 mainly provides impetus to screwdriver, is easily installed, dismantles, and setting pressure passes in the middle part of 1 lower surface of upper seal Sensor 11, the effect of pressure sensor 11 mainly detects the Fluid pressure in inner wall 8, with the first check valve 9, second one-way valve 10 cooperations control the pressure in inner wall 8 in a certain range, oblique 3 inner surface of sealing ring setting inner wall 8, inside lower seal 4 The first air inlet 6, the second air inlet 7 is respectively set positioned at 5 two sides of spin slot, the first check valve 9 is arranged in 6 lower end of the first air inlet, The effect of first check valve 9, second one-way valve 10 mainly controls the direction of fluid flowing, only external fluid is allowed to enter inner wall 8, outflow is then subject to certain restrictions, and the setting of 9 two sides of the first check valve unscrews line 12, and the effect for unscrewing line 12 is mainly being removed When the oblique seal ring, preventing from skidding, it is more convenient, laborsaving to make one to unscrew the first check valve 9,7 lower end of the second air inlet setting the Two check valves 10, internal screw thread 13 is arranged on the outside of external screw thread 2, and 13 other side of internal screw thread is arranged cabinet wall 14, sets among cabinet wall 14 Set hole wall 15.

In above structure, first in the internal screw thread 13 in 2 screw-on machine tank wall 14 of external screw thread, oblique sealing ring 3 pastes staff Hole wall 15 is closed, cabinet wall 14 can be fully sealed, when 14 lower part of cabinet wall has highly pressurised liquid or high pressure gas to pass through, directly Enter the first air inlet 6, the second air inlet 7 by the first check valve 9, second one-way valve 10, enters back into inner wall 8, in inner wall 8 High-pressure fluid oppress inner wall 8, inner wall 8 oppresses oblique sealing ring 3 again, and oblique sealing ring 3 compresses hole wall 15, completely encloses 15 He of hole wall Gap between oblique sealing ring 3, pressing force is equal with the Fluid pressure of 14 lower part of cabinet wall, so will not reveal, when cabinet wall When flowing in the pipeline of 14 lower parts, due to the effect of the first check valve 9, second one-way valve 10, the fluid in inner wall 8 is still protected Certain pressure is held, value appropriate is adjusted under the detection effect of pressure sensor 11, still seals, make 14 lower part of cabinet wall Residual fluid in pipeline is not revealed, when needing to remove the oblique seal ring, it is only necessary to which turn unscrews line 12, can release interior Fluid in wall 8 makes the pressure reduction in inner wall 8, and oblique sealing ring 3 no longer compresses hole wall 15, at this moment need to only use screwdriver turn Spin slot 5 can easily remove the oblique seal ring.

In order to further increase the quality of oblique seal ring, external screw thread 2 is taken shape in upper seal 1, and oblique sealing ring 3 forms In in upper seal 1, lower seal 4 is taken shape on oblique sealing ring 3, and spin slot 5 takes shape in lower seal 4, pressure sensor 11 It is bolted in upper seal 1, inner wall 8 takes shape on oblique sealing ring 3, and the first air inlet 6, the second air inlet 7 take shape in down On sealing ring 4, unscrew line 12 and take shape on the first check valve 9, internal screw thread 13 is threaded on external screw thread 2, internal screw thread 13 at In on cabinet wall 14, hole wall 15 takes shape on cabinet wall 14 type.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.

Claims (7)

1. a kind of inclined internal screw thread sealing ring, it is characterised in that: including upper seal (1), oblique sealing ring (3), lower seal (4), external screw thread (2) are set on the outside of the upper seal (1), the oblique sealing ring (3) are set on the downside of the upper seal (1), The lower seal (4) is set on the downside of the oblique sealing ring (3), spin slot (5) are set among lower seal (4) lower surface, Pressure sensor (11) are set in the middle part of upper seal (1) lower surface, oblique sealing ring (3) inner surface setting inner wall (8), The lower seal (4) is internally located at the spin slot (5) two sides and the first air inlet (6), the second air inlet (7), institute is respectively set The first air inlet (6) lower end setting the first check valve (9) is stated, the first check valve (9) two sides setting unscrews line (12), described Second one-way valve (10) are arranged in second air inlet (7) lower end, internal screw thread (13) are arranged on the outside of the external screw thread (2), the interior spiral shell Cabinet wall (14) are arranged in line (13) other side, and hole wall (15) are arranged among the cabinet wall (14).

2. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: the external screw thread (2) takes shape in On the upper seal (1), the oblique sealing ring (3) is taken shape on the upper seal (1), lower seal (4) molding In on the oblique sealing ring (3).

3. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: the spin slot (5) takes shape in institute It states on lower seal (4), the pressure sensor (11) is bolted on the upper seal (1).

4. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: the inner wall (8) takes shape in institute It states on oblique sealing ring (3), first air inlet (6), second air inlet (7) take shape on the lower seal (4).

5. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: the line (12) that unscrews takes shape in On first check valve (9).

6. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: internal screw thread (13) screw thread connects It connects on the external screw thread (2).

7. a kind of inclined internal screw thread sealing ring according to claim 1, it is characterised in that: the internal screw thread (13) takes shape in On the cabinet wall (14), the hole wall (15) is taken shape on the cabinet wall (14).