CN211344011U

CN211344011U - Novel anti-leakage plug

Info

Publication number: CN211344011U
Application number: CN201922321899.8U
Authority: CN
Inventors: 蓝志鹏; 张耀伦; 尹必军; 江国良
Original assignee: Guangdong Biaoding Technology Corp
Current assignee: Guangdong Biaoding Technology Corp
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-25
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a novel anti-leakage plug, which comprises an integrated machine head and a plug assembly arranged on an air compressor; a flow channel is arranged in the integrated machine head, a through hole is formed in the side wall of the integrated machine head, the through hole is perpendicular to the flow channel and is communicated with the flow channel, a temperature control valve is arranged in the flow channel, and the position of the temperature control valve corresponds to that of the through hole; the plug assembly comprises a plug and a clamp spring, the plug is arranged in the through hole, a first elastic ring is arranged in the circumferential direction of the plug, and the plug extrudes the first elastic ring to realize sealing; one side of the plug is connected with the temperature control valve, the other side of the plug is provided with a cylinder, an end face pressing plate is sleeved on the cylinder, an annular boss matched with the cylinder is arranged on one side of the end face pressing plate corresponding to the temperature control valve, a second elastic ring is arranged between the annular boss and the plug, and the annular boss extrudes the second elastic ring to realize sealing; the clamp spring is sleeved on the annular boss, and the outer edge of the clamp spring is detachably connected with the inner side wall of the through hole to limit the plug.

Description

Novel anti-leakage plug

Technical Field

The utility model belongs to the technical field of prevent leaking, in particular to novel prevent leaking end cap.

Background

The air compressor is used as an important energy production form, is widely applied to various links of life, such as the fields of traffic, medicines, foods and the like, and has greater and greater influence on the life of people. Most of air compressors sold on the market at the present stage are provided with integrated type machine heads, and temperature control valves are usually installed inside the integrated type machine heads. The temperature of the oil sprayed into the main machine can be effectively controlled by the temperature control valve, so that the oil temperature is higher than the pressure dew point of the compressed air, the phenomenon that water in the air is condensed after the oil and the compressed air are mixed is avoided, and the safety and the reliability of the unit are ensured, which is particularly important for realizing the operation of the air compressor at low temperature and low speed. However, if the temperature control valve is to be built in the integrated head, it is inevitable to provide a mounting hole in the integrated head so that the temperature control valve can be implanted into the air compressor through the mounting hole. Once the installation of temperature control valve is accomplished, just need carry out corresponding shutoff to the mounting hole to avoid the air compressor machine to appear defects such as oil leak or gas leakage. The existing plugging technology is mainly characterized in that a plug is arranged in a mounting hole, an elastic sealing ring is arranged in the circumferential direction of the plug, and the elastic sealing ring is extruded by the plug to realize a sealing effect. Although the plugging technology is simple to operate and low in cost, once the elastic sealing ring arranged in the circumferential direction of the plug is aged, the air compressor is easily subjected to oil leakage, so that a product is broken down, and normal use is affected. Therefore, it is necessary to develop a leakproof plug with better sealing effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a novel anti-leakage plug, which comprises an integrated machine head and a plug assembly arranged on an air compressor; a flow channel is arranged in the integrated machine head, a through hole is formed in the side wall of the integrated machine head, the through hole is perpendicular to the flow channel and is communicated with the flow channel, a temperature control valve is arranged in the flow channel, and the position of the temperature control valve corresponds to that of the through hole; the plug assembly comprises a plug and a clamp spring, the plug is arranged in the through hole, a first elastic ring is arranged in the circumferential direction of the plug, and the plug extrudes the first elastic ring to realize sealing; one side of the plug is connected with the temperature control valve, the other side of the plug is provided with a cylinder, an end face pressing plate is sleeved on the cylinder, the outer edge of the end face pressing plate is connected with the outer surface of the integrated machine head in a sealing mode, an annular boss matched with the cylinder is arranged on one side, corresponding to the temperature control valve, of the end face pressing plate, a second elastic ring is arranged between the annular boss and the plug, and the annular boss extrudes the second elastic ring to achieve sealing; the clamp spring is sleeved on the annular boss, and the outer edge of the clamp spring is detachably connected with the inner side wall of the through hole to limit the plug.

Furthermore, the through-hole medial surface is equipped with first mounting groove, first elastic ring sets up in first mounting groove, the inboard and the end cap extrusion of first elastic ring are connected.

Furthermore, a second mounting groove is formed in one side, corresponding to the temperature control valve, of the annular boss, and the second elastic ring is arranged in the second mounting groove.

Furthermore, the cylinder is equipped with the external screw thread in the one side that backs on the back with the temperature control valve, the terminal surface clamp plate sets the nut with external screw thread matched with in the one side that backs on the back with the temperature control valve.

Furthermore, the outer edge of the end face pressing plate is abutted to the outer surface of the integrated machine head, a third elastic ring is further arranged between the end face pressing plate and the outer surface of the integrated machine head, and the end face pressing plate is sealed by extruding the third elastic ring.

Furthermore, a third mounting groove is formed in the end face pressing plate, and the third elastic ring is arranged in the third mounting groove.

Further, the height of the annular boss is larger than the thickness of the clamp spring.

Furthermore, an annular clamping groove is formed in the inner side wall of the through hole, and the clamp spring is detachably installed in the annular clamping groove.

Furthermore, the plug is provided with a limiting groove at one side corresponding to the temperature control valve, and a valve rod of the temperature control valve is arranged in the limiting groove.

Furthermore, the plug is connected with the temperature control valve through an elastic piece.

The utility model discloses the beneficial technological effect who plays as follows:

compared with the prior art, the utility model discloses a novel prevent leaking end cap, this prevent leaking end cap has realized that the one-level is sealed through setting up first elastic ring between end cap and through-hole inside wall, through set up the second elastic ring between annular boss and end cap, sets up the third elastic ring between the surface of terminal surface clamp plate and integrated form aircraft nose and has realized the second grade and seal, greatly increased the end cap to the sealed function of through-hole, reduced the leakage risk, showing the reliability that has improved the product.

Drawings

Fig. 1 is a schematic structural view of the novel leakage-proof plug in embodiment 1.

Fig. 2 is an enlarged view of a portion of the new leakage prevention plug of example 1.

Reference numerals:

1-integrated machine head, 2-through hole, 3-plug, 4-clamp spring, 5-first elastic ring, 6-cylinder, 7-end surface pressing plate, 8-annular boss, 9-second elastic ring, 10-external thread, 11-nut, 12-third elastic ring, 13-limit groove, 14-elastic piece and 15-temperature control valve.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art and will therefore make the scope of the invention more clearly defined.

Example 1:

as shown in fig. 1, the present embodiment provides a novel anti-leakage plug, which includes an integrated machine head 1 and a plug assembly disposed on an air compressor. The integrated machine head is characterized in that a flow channel is arranged inside the integrated machine head 1 and used for oil body flowing, a through hole 2 is formed in the side wall of the integrated machine head 1, the through hole 2 is perpendicular to the flow channel, and the through hole 2 is communicated with the flow channel. Install temperature-sensing valve 15 in the runner, temperature-sensing valve 15 is used for the temperature of control runner export, and when the oil body temperature produced the change in the runner, temperature-sensing valve 15 can change its self valve opening degree in order to adjust the flow to eliminate the influence that oil body temperature fluctuation caused, make runner export temperature resume to the setting value. The installation position of the thermo valve 15 in the flow passage corresponds to the position of the through hole 2. The plug assembly is arranged in the through hole 2 and used for sealing the through hole 2 so as to prevent leakage of oil bodies or reduction of pressure.

Specifically, the end cap subassembly includes end cap 3 and jump ring 4, and end cap 3 is installed in through-hole 2, through-hole 2 is the circular port, the shape and the size of end cap 3 cooperate with the circular port respectively. 3 circumference covers of end cap is equipped with first elastic ring 5, and first elastic ring 5 sets up between the lateral wall of end cap 3 and the inside wall of circular port promptly. End cap 3 is sealed in order to realize through the first elastic ring of extrusion 5, that is to say, first elastic ring 5 presss from both sides between end cap 3 and circular port, receives extrusion between them to take place certain deformation to realize the sealing connection between end cap 3 and the circular port. The plug 3 is connected with the temperature control valve 15 at one side corresponding to the flow channel, the other side is provided with a cylinder 6 extending outwards, an end face pressure plate 7 is sleeved on the cylinder 6, and the outer edge of the end face pressure plate 7 is hermetically connected with the outer surface of the integrated machine head 1, such as elastomer installation or welding. The end surface pressing plate 7 is provided with an annular boss 8 matched with the cylinder 6 at one side corresponding to the temperature control valve 15, namely, the annular boss 8 is arranged between the end surface pressing plate 7 and the plug 3, and the annular boss 8 and the end surface pressing plate 7 are sleeved on the cylinder 6. Annular boss 8 one side and terminal surface clamp plate 7 fixed connection, the opposite side sets up with the upper surface cooperation of end cap 3, is equipped with second elastic ring 9 between the lower surface of annular boss 8 and the upper surface of end cap 3, and second elastic ring 9 is connected with the lower surface of annular boss 8 and the upper surface extrusion of end cap 3, and annular boss 8 is through the sealing connection of extrusion second elastic ring 9 in order to realize with end cap 3 upper surface promptly. The clamp spring 4 is of a non-closed circular ring structure, and the non-closed circular ring structure endows the clamp spring 4 with certain deformation capacity. The clamp spring 4 is sleeved on the annular boss 8, namely the clamp spring 4 is arranged between the end face pressing plate 7 and the upper surface of the plug 3. Be equipped with ring groove on the 2 inside walls of through-hole, ring groove and jump ring 4 phase-matches, 4 outward flanges of jump ring can be dismantled with the ring groove of the 2 inside walls of through-hole and be connected in order to realize spacing to end cap 3.

Preferably, the outer edge of the end surface pressing plate 7 abuts against the outer surface of the integrated machine head 1, a third elastic ring 9 is further arranged between the end surface pressing plate 7 and the outer surface of the integrated machine head 1, and the end surface pressing plate 7 presses the third elastic ring 9 to realize sealing. In the embodiment, the first elastic ring 5 arranged between the outer side wall of the plug 3 and the inner side wall of the circular hole forms primary sealing for the through hole 2; the second elastic ring 9 arranged between the lower surface of the annular boss 8 and the upper surface of the plug 3 and the third elastic ring 12 arranged between the end surface pressing plate 7 and the outer surface of the integrated machine head 1 are mutually matched, and secondary sealing is formed on the through hole 2. When the first elastic ring 5 is aged under the conditions of high pressure and hot oil for a long time, oil bodies in the flow channel can leak to the outer side of the plug 3 through the aged first elastic ring 5, at the moment, the second elastic ring 9 arranged between the lower surface of the annular boss 8 and the upper surface of the plug 3 can prevent the leaked oil bodies from entering the contact interface between the cylinder 6 and the end surface pressing plate 7 and the annular boss 8, and meanwhile, the third elastic ring 12 arranged between the end surface pressing plate 7 and the outer surface of the integrated machine head 1 can also prevent the leaked oil bodies from continuously flowing outwards. That is to say, once the oil body in the runner passes aged first elastic ring 5 and leaks out, second elastic ring 9 and third elastic ring 12 are through mutually supporting, also can effectively avoid the oil body of leaking to continue to flow outward, is equivalent to whole end cap 3 and still can play good sealed effect to guarantee the normal use of air compressor machine.

As preferred, 2 medial surfaces of through-hole are equipped with first mounting groove, first mounting groove and 5 phase-matchs of first elastic ring, first elastic ring 5 sets up in first mounting groove, and first mounting groove is used for realizing spacing to first elastic ring 5, avoids first elastic ring 5 to appear sliding of position in the use, influences sealed effect. The inner side of the first elastic ring 5 is connected with the plug 3 in an extruding way. In a similar way, the annular boss 8 is provided with a second mounting groove on one side corresponding to the temperature control valve 15, the second mounting groove is matched with the second elastic ring 9, the second elastic ring 9 is arranged in the second mounting groove, and the second mounting groove is used for limiting the second elastic ring 9. Similarly, the lower surface of the end surface pressing plate 7 is provided with a third mounting groove, the third mounting groove is matched with the third elastic ring 12, and the third elastic ring 12 is arranged in the third mounting groove. In this embodiment, the first, second and third mounting grooves are used for limiting the first, second and third

elastic rings

5, 9 and 12, and therefore the first, second and third mounting grooves may also be disposed on the outer side surface of the plug 3, the upper surface of the plug 3 and the outer surface of the integrated handpiece 1, as long as the elastic rings can be limited, which is not limited exclusively herein.

Preferably, the column 6 is provided with an external thread 10 on the side opposite to the thermostatic valve 15, and the end surface pressure plate 7 is provided with a nut 11 matched with the external thread 10 on the side opposite to the thermostatic valve 15. The nut 11 is connected with the external thread 10 on the column body 6 to realize the fixation of the end pressing plate 7. Of course, the end surface pressing plate 7 is sleeved on the cylinder 6, which means that the end surface pressing plate 7 is provided with a mounting hole matched with the cylinder 6, if the cylinder 6 is provided with continuous external threads, the inner side wall of the mounting hole of the end surface pressing plate 7 is provided with internal threads matched with the external threads, and the detachable connection of the cylinder 6 and the end surface pressing plate 7 can be realized.

Preferably, the height of the annular boss 8 is greater than the thickness of the snap spring 4. This means that, has formed one between the lower surface of end surface clamp plate 7, the 8 lateral surfaces of annular boss, end cap 3 upper surface and the through-hole 2 upper end side and has held the chamber, holds the chamber and can form certain buffer memory effect to the oil body that leaks out, utilizes the pressure that reduces the oil body that leaks, prolongs the life who receives of air compressor machine.

Preferably, a limiting groove 13 is formed in one side, corresponding to the temperature control valve 15, of the plug 3, and a valve rod of the temperature control valve 15 is arranged in the limiting groove 13. Of course, the plug 3 and the thermostatic valve 15 may also be connected through an elastic member 14, that is, one end of the elastic member 14 is disposed in the limiting groove 13 and abuts against the bottom of the limiting groove 13, the other end of the elastic member 14 is fixedly connected with the valve rod of the thermostatic valve 15, and the elastic member 14 is a spring or an elastic rubber block, preferably a spring.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A novel anti-leakage plug is characterized by comprising an integrated machine head (1) arranged on an air compressor and a plug component; a flow channel is arranged in the integrated machine head (1), a through hole (2) is formed in the side wall of the integrated machine head (1), the through hole (2) is perpendicular to the flow channel, the through hole (2) is communicated with the flow channel, a temperature control valve (15) is arranged in the flow channel, and the position of the temperature control valve (15) corresponds to that of the through hole (2); the plug assembly comprises a plug (3) and a clamp spring (4), the plug (3) is installed in the through hole (2), a first elastic ring (5) is arranged on the plug (3) in the circumferential direction, and the plug (3) extrudes the first elastic ring (5) to achieve sealing; one side of the plug (3) is connected with the temperature control valve (15), the other side of the plug is provided with a cylinder (6), an end face pressing plate (7) is sleeved on the cylinder (6), the outer edge of the end face pressing plate (7) is hermetically connected with the outer surface of the integrated machine head (1), an annular boss (8) matched with the cylinder (6) is arranged on one side, corresponding to the temperature control valve (15), of the end face pressing plate (7), a second elastic ring (9) is arranged between the annular boss (8) and the plug (3), and the annular boss (8) is sealed by extruding the second elastic ring (9); the clamp spring (4) is sleeved on the annular boss (8), and the outer edge of the clamp spring (4) is detachably connected with the inner side wall of the through hole (2) to limit the plug (3).

2. A novel leakage-proof plug according to claim 1, characterized in that said through hole (2) is provided with a first mounting groove on its inner side, said first elastic ring (5) is disposed in said first mounting groove, and the inner side of said first elastic ring (5) is connected with the plug (3) by pressing.

3. A new type of leakproof plug as claimed in claim 1, characterized in that the annular projection (8) is provided with a second mounting groove on the side corresponding to the thermostatic valve (15), and the second elastic ring (9) is arranged in the second mounting groove.

4. A new type of leakproof plug according to claim 1, characterized in that the cylinder (6) is provided with an external thread (10) on the side facing away from the thermostatic valve (15), and the end-face pressure plate (7) is provided with a nut (11) on the side facing away from the thermostatic valve (15) which cooperates with the external thread (10).

5. A new leakage prevention plug according to claim 4, characterized in that the outer edge of the end press plate (7) abuts against the outer surface of the integrated head (1), and a third elastic ring (12) is further provided between the end press plate (7) and the outer surface of the integrated head (1), the end press plate (7) sealing by pressing the third elastic ring (12).

6. A novel leakage-proof choke plug according to claim 5, characterized in that said end surface pressing plate (7) is provided with a third mounting groove, and said third elastic ring (12) is disposed in the third mounting groove.

7. A new leakage prevention stopper according to claim 1, characterized in that the height of the annular boss (8) is greater than the thickness of the circlip (4).

8. A novel leakage-proof plug according to claim 1, characterized in that said through hole (2) is provided on its inner side wall with a ring-shaped groove, and said snap spring (4) is detachably mounted in said ring-shaped groove.

9. A new leakage-preventing plug according to claim 1, characterized in that said plug (3) is provided with a limiting groove (13) at the side corresponding to the thermo valve (15), and the valve stem of said thermo valve (15) is arranged in the limiting groove (13).

10. A new leakage preventing stopper according to claim 1, characterized in that the stopper (3) is connected to the thermo valve (15) by means of an elastic member (14).