CN210106690U

CN210106690U - Combined type air inlet valve

Info

Publication number: CN210106690U
Application number: CN201920256023.7U
Authority: CN
Inventors: 平晓寒
Original assignee: Tianjin Ruiyan Marine Equipment Import And Export Trade Co Ltd
Current assignee: Tianjin Ruiyan Marine Equipment Import And Export Trade Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-02-21
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a combined type admission valve, including first lead screw, baffle, valve rod and valve body, the bottom of valve body link up and is equipped with air outlet channel, and the top of valve body be equipped with valve body assorted gland, the annular is equipped with the internal thread on the valve body is close to the inside wall of gland one end. The utility model discloses a buffer board is all installed near the both ends of piston to the inside of valve body, evenly be equipped with the top that fixed orifices and valve body are close to dog one side on the buffer board and install manometer and gland and install the rotating part, and the gland is close to internal screw thread one side and is connected with the extension, and the annular be equipped with on the lateral wall of extension with the internal thread assorted between the external screw thread mutually support, be convenient for cushion to some extent when receiving pressure gas impact to the admission valve, reduce the production of internal noise, thereby improve the practicality of this admission valve, when internal pressure is too high, can conveniently detect and carry out the pressure release through not hard up gland, thereby make the admission valve have the security.

Description

Combined type air inlet valve

Technical Field

The utility model relates to the technical field of valves, specifically a combined type admission valve.

Background

The air inlet valve is widely applied to daily life, and a one-way air inlet valve is required to be installed on inflatable products such as air cushion equipment, child inflatable toys, air molds, mechanical equipment and the like so as to supply internal air pressure.

Present, sealed piece in the admission valve all only carries out the return of position by single spring, long-term use can lead to expanding spring's elastic deformation to change, thereby it has certain gap to lead to sealed piece and air inlet, lead to the leakproofness of admission valve not enough, and then influence the normal use of equipment, secondly, when aerifing for equipment, its admission valve air inlet does not remove dust protective structure, easily by large granule debris jam, thereby the loss function, and it is comparatively dirty to get into the air, thereby the life of inflatable articles has been reduced, and in addition, when aerifing, in order to improve and aerify efficiency, the velocity of flow of air current is very fast, it is great to lead to the vibrations and the noise that the admission valve produced, thereby the practicality has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined type admission valve, it is current to propose in solving above-mentioned background art, sealed piece in the admission valve all only carries out the return of position by single spring, long-term the use can lead to expanding spring's elastic deformation to change, thereby lead to sealed piece and air inlet to have certain gap, the leakproofness that leads to the admission valve is not enough, and then influence the normal use of equipment, secondly, when aerifing for equipment, its admission valve air inlet does not have dust removal protective structure, be blockked up by large granule debris easily, thereby the loss function, and it is dirty to get into the air, thereby the life of inflatable articles has been reduced, and in addition, when aerifing, in order to improve inflation efficiency, the velocity of flow of air is very fast, vibrations and the noise that lead to the air inlet valve to produce are great, thereby the problem of practicality has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a composite air inlet valve comprises a first lead screw, a baffle, a valve rod and a valve body, wherein an air outlet channel is arranged at the bottom of the valve body in a penetrating manner, a gland matched with the valve body is arranged at the top of the valve body, an internal thread is annularly arranged on the inner side wall of the valve body close to one end of the gland, an air inlet channel is arranged at the central position of one side of the valve body in a penetrating manner, connecting blocks are arranged at two ends of one side of the valve body away from the air inlet channel, a stop block is arranged at one side of the connecting block away from the valve body through bolts, the valve rod is arranged at the central position of the valve body close to the outer side of the stop block, a second threaded hole is annularly arranged on the inner side wall of the valve rod, a rotary disc is arranged at one end of the valve rod, a through hole is arranged, a second screw rod matched with the second threaded hole is arranged in the valve rod, a nut cap is arranged at one end of the second screw rod, the other end of the second screw rod penetrates through the through hole and the second threaded hole respectively and extends to the outer side of the valve rod and is provided with a piston, a clamping block is uniformly and annularly arranged on one side, away from the second screw rod, of the piston, a groove matched with the piston is arranged at one end, close to the piston, of the air inlet channel, an air inlet opening is connected to the central position, away from one side of the piston, of the groove, a filter screen is arranged in the air inlet channel, a fixing seat is arranged at one end, close to the outer side of the filter screen, of the top of the air inlet channel, a first threaded hole is formed in the fixing seat, a first screw rod matched with the first threaded hole is arranged at the position, close to the fixing seat, of the air inlet channel, a hand disc, and one side that first lead screw was kept away from to branch evenly installs the brush through the fixed plate, the inside bottom of inlet channel is close to the outside of filter screen and is equipped with logical groove, and the position that the bottom of inlet channel is close to logical groove installs the baffle through the articulated shaft, the baffle be close to logical groove one side ground all around the annular be equipped with lead to groove assorted seal ring, one side that the articulated shaft was kept away from to the bottom of inlet channel is installed the stopper, and is equipped with spacing hole on the stopper, the fixed block is installed to one side that the baffle is.

Preferably, a first flange plate and a second flange plate are respectively arranged on the outer side walls of the ends, far away from the piston, of the air inlet channel and the air outlet channel, and mounting holes are uniformly formed in the peripheries of the first flange plate and the second flange plate in an annular mode.

Preferably, the rotating part is installed at the top of gland, and the gland is connected with the extension near one side of internal thread, and the annular is equipped with the external screw thread with internal thread assorted on the lateral wall of extension.

Preferably, the convex block is evenly installed to the annular on the lateral wall that the valve body was kept away from outlet channel one end, and all is equipped with the locating hole on the convex block, and the buffer board is all installed near the both ends of piston to the inside of valve body, evenly is equipped with the fixed orifices on the buffer board, and the manometer is installed near the top of dog one side to the valve body.

Preferably, the periphery of the inner side wall of the valve body, which is close to the groove, is annularly provided with a clamping groove matched with the clamping block, and the clamping groove and the clamping block are matched with each other to form a clamping structure.

Preferably, the inside of fixed block is equipped with fixed chamber, the inside in fixed chamber is equipped with the second spring, and the one end that the baffle was kept away from to the second spring is installed through the limiting plate with spacing hole assorted arch.

Compared with the prior art, the beneficial effects of the utility model are that: the composite intake valve is provided with a valve rod through the central position of the valve body close to the outer side of the stop block, a second threaded hole is annularly arranged on the inner side wall of the valve rod, a first spring matched with a box is arranged on the outer side of one end of the valve rod close to the inner part of the valve body, a second screw rod matched with the second threaded hole is arranged in the valve rod, a nut cap is arranged at one end of the second screw rod, the other end of the second screw rod respectively penetrates through the through hole and the second threaded hole to extend to the outer side of the valve rod and is provided with a piston, a clamping block is annularly and uniformly arranged on one side of the piston far away from the second screw rod, clamping grooves matched with the clamping block are annularly arranged on the inner side wall of the valve body close to the groove (the periphery of the piston is annularly and is used mutually matched with each other, the outside that is close to air inlet opening through inlet channel's inside is equipped with the filter screen, and the one end that the top of inlet channel is close to the filter screen outside is installed the fixing base, be equipped with first screw hole on the fixing base and the position that inlet channel is close to the fixing base is equipped with and first screw hole assorted lead screw, and the other end that the one end of first lead screw was equipped with the hand dish and first lead screw runs through first screw hole and extends to inlet channel's inside and install branch, and the one side that first lead screw was kept away from to branch evenly installs the brush through the fixed plate, be convenient for filter the gas when admitting air, the effectual condition of avoiding taking place the jam, the service function of this admission valve has also been guaranteed simultaneously, the outside that the bottom that is close to the filter screen through the inside of inlet channel is equipped with logical groove, and the baffle is installed through the articulated shaft to the position that the through groove is close to the A limit block is arranged at one side of the articulated shaft, a limit hole is arranged on the limit block, a fixed block is arranged at one side of the baffle plate close to the limit block, a fixed cavity is arranged inside the fixed block, a second spring is arranged inside the fixed cavity, and one end of the second spring far away from the baffle plate is provided with a boss matched with the limit hole through a limit plate for use in a matching way, so that the filtered impurities can be conveniently taken out, the long-term use of the air inlet valve is facilitated, and the use efficiency during inflation is ensured simultaneously. Be convenient for to the admission valve receive pressure gas when assaulting to some extent cushion, reduce inside produced noise to improve this admission valve's practicality, when internal pressure was too high, can conveniently detect and carry out the pressure release through not hard up gland, thereby make the admission valve have the security.

Drawings

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

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

fig. 3 is a schematic view of a partially enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at B in fig. 2 according to the present invention.

In the figure: 1. a handwheel; 2. a first lead screw; 3. a fixed seat; 4. a first flange plate; 5. an air intake passage; 6. a baffle plate; 7. a second flange plate; 8. an air outlet channel; 9. a stopper; 10. a valve stem; 11. a second lead screw; 12. nut caps; 13. a turntable; 14. connecting blocks; 15. a pressure gauge; 16. a bump; 17. a rotating part; 18. a valve body; 19. a first threaded hole; 20. a strut; 21. a brush; 22. a filter screen; 23. a groove; 24. a piston; 25. a fixing hole; 26. a buffer plate; 27. a first spring; 28. a through hole; 29. an extension portion; 30. an external thread; 31. a gland; 32. an internal thread; 33. a through groove; 34. a sealing gasket; 35. a fixed block; 36. a second spring; 37. a fixed cavity; 38. a limiting block; 39. a limiting plate; 40. a protrusion; 41. a limiting hole; 42. and a second threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a composite air inlet valve comprises a first screw rod 2, a baffle plate 6, a valve rod 10 and a valve body 18, wherein an air outlet channel 8 is arranged at the bottom of the valve body 18 in a penetrating manner, a gland 31 matched with the valve body 18 is arranged at the top of the valve body 18, an internal thread 32 is annularly arranged on the inner side wall of one end, close to the gland 31, of the valve body 18, an air inlet channel 5 is arranged at the central position of one side of the valve body 18 in a penetrating manner, a rotating part 17 is installed at the top of the gland 31, an extending part 29 is connected to one side, close to the internal thread 32, of the gland 31, an external thread 30 matched with the internal thread 32 is annularly arranged on the outer side wall of the extending part 29, connecting blocks 14 are installed at the two ends of one side, far away from the air inlet channel 5, of each connecting block 14, a stop block 9 is installed on, a rotary disc 13 is installed at one end of a valve rod 10, a through hole 28 is arranged at the central position of the rotary disc 13, the other end of the valve rod 10 penetrates through a stop block 9 and the valve body 18 and extends to the inside of the valve body 18, a first spring 27 matched with a box is arranged at the outer side of one end, close to the inside of the valve body 18, of the valve rod 10, a second lead screw 11 matched with a second threaded hole 42 is arranged inside the valve rod 10, a nut cap 12 is arranged at one end of the second lead screw 11, a piston 24 is installed at the other end of the second lead screw 11 and extends to the outer side of the valve rod 10 after penetrating through the through hole 28 and the second threaded hole 42, a clamping block is uniformly installed on the side, far away from the second lead screw 11, of the piston 24, a groove 23 matched with the piston 24 is arranged at one end, close to the piston 24, of the groove 23 is connected with an air inlet opening at the central position, the, and the peripheries of the first flange plate 4 and the second flange plate 7 are uniformly provided with mounting holes in an annular manner, the outer side of the inner part of the air inlet channel 5 close to the air inlet opening is provided with a filter screen 22, one end of the top part of the air inlet channel 5 close to the outer side of the filter screen 22 is provided with a fixed seat 3, the fixed seat 3 is provided with a first threaded hole 19, the position of the air inlet channel 5 close to the fixed seat 3 is provided with a first lead screw 2 matched with the first threaded hole 19, one end of the first lead screw 2 is provided with a hand disc 1, the other end of the first lead screw 2 penetrates through the first threaded hole 19 and extends to the inner part of the air inlet channel 5 and is provided with a support rod 20, one side of the support rod 20 far away from the first lead screw 2 is uniformly provided with a brush 21 through a fixed plate, the bottom end of the inner, a sealing washer 34 matched with the through groove 33 is annularly arranged on the periphery of one side of the baffle 6 close to the through groove 33, a limiting block 38 is arranged on one side of the bottom of the air inlet channel 5 far away from the hinge shaft, a limiting hole 41 is arranged on the limiting block 38, a fixing block 35 is arranged on one side of the baffle 6 close to the limiting block 38, a fixing cavity 37 is arranged inside the fixing block 35, a second spring 36 is arranged inside the fixing cavity 37, a bulge 40 matched with the limiting hole 41 is arranged at one end of the second spring 36 far away from the baffle 6 through a limiting plate 39, a lug 16 is annularly and uniformly arranged on the outer side wall of one end of the valve body 18 far away from the air outlet channel 8, positioning holes are arranged on the lug 16, buffer plates 26 are arranged at two ends of the inside of the valve body 18 close to the piston 24, fixing holes 25 are uniformly arranged on the buffer plates 26, a pressure gauge 15 is arranged at the, and the clamping groove and the clamping block are mutually matched to form a clamping structure.

The working principle is as follows: when the gas filling valve is used, one end of a pipeline is connected with a gas inlet channel 5 through a first flange plate 4, then the pipeline is connected with a port of a product to be inflated through a second flange plate 7, gas enters the gas inlet channel 5, and simultaneously passes through a gas impact piston 24 after being filtered by a filter screen 22 to drive a valve rod 10 to move, and meanwhile, a first spring 27 deforms, so that the gas enters the gas outlet channel 8 through a groove 23 and is conveyed to the inside of the product to be inflated, when the gas enters the inside of a valve body 18, the impact force of the gas can be buffered through fixing holes 25 uniformly arranged on a buffer plate 26, so that the noise generated inside is reduced, in the process of inflating, the change of the internal pressure can be monitored at any time through a pressure gauge 15, when the pressure is overlarge, the rotating part 17 can be rotated at a constant speed by hand, so that the rotating part 17 drives a gland 31 to loosen, the external thread 30 is separated from the internal thread 32 for pressure relief, after the inflation is finished, the piston 24 is clamped into the groove 23 under the reset action of the first spring 27, and meanwhile, the clamping block is also clamped into the clamping groove, so that the sealing effect is ensured, when the sealing device is used for a long time, the deformation of the first spring 27 can reduce the sealing effect, the nut cap 12 can be rotated by hand, the nut cap 12 drives the second lead screw 11 to be matched with the second threaded hole 42, so that the piston 24 extends towards the direction of the groove 23, the sealing effect is ensured, and the gas backflow is effectively prevented, when the sealing device is not used, the bulge 40 can be pressed, the bulge 40 drives the second spring 36 to deform, the bulge 40 is separated from the limiting hole 41, the baffle 6 is rotated by the hinge shaft, so that the baffle 6 is opened, then, the hand disc 1 can be rotated clockwise or anticlockwise by hand, so that the hand disc 1 drives the first lead screw 2 to be matched, thereby it cleans the dust removal to drive branch 20 and brush 21 and make up-and-down motion to filter screen 22 face, filter screen 22's dust impurity is outside through leading to groove 33 discharge, after whole clearance, press protruding 40, protruding 40 drives second spring 36 and takes place deformation, when contacting spacing hole 41, second spring 36 resets, thereby make protruding 40 card go into the inside to spacing hole 41, seal ring 34 card goes into all around leading to groove 33 simultaneously, thereby guarantee can not leak gas when aerifing the use, thereby guarantee the leakproofness of whole admission valve.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a combined type admission valve, includes first lead screw (2), baffle (6), valve rod (10) and valve body (18), its characterized in that: the bottom of the valve body (18) is provided with an air outlet channel (8) in a penetrating mode, the top of the valve body (18) is provided with a gland (31) matched with the valve body (18), the inner side wall, close to one end of the gland (31), of the valve body (18) is provided with internal threads (32) in an annular mode, the central position of one side of the valve body (18) is provided with an air inlet channel (5) in a penetrating mode, the two ends, far away from one side of the air inlet channel (5), of the valve body (18) are provided with connecting blocks (14), one side, far away from the valve body (18), of each connecting block (14) is provided with a stop block (9) through bolts, the central position, close to the outer side of each stop block (9), of the valve body (18) is provided with a valve rod (10), the inner side wall of the valve rod (10) is provided, the other end of the valve rod (10) penetrates through the check block (9) and the valve body (18) respectively and extends to the inside of the valve body (18), a first spring (27) matched with the box is arranged on the outer side of one end, close to the inside of the valve body (18), of the valve rod (10), a second lead screw (11) matched with a second threaded hole (42) is arranged inside the valve rod (10), a nut cap (12) is arranged at one end of the second lead screw (11), the other end of the second lead screw (11) penetrates through the through hole (28) and the second threaded hole (42) respectively and extends to the outer side of the valve rod (10) and is provided with a piston (24), a clamping block is uniformly and annularly arranged on one side, far away from the second lead screw (11), of the air inlet channel (5) is provided with a groove (23) matched with the piston (24), and the central position, far away from one side of the piston (24), of the groove (23), the air inlet structure is characterized in that a filter screen (22) is arranged on the outer side, close to an air inlet opening, of the inner part of the air inlet channel (5), a fixing seat (3) is installed at one end, close to the outer side of the filter screen (22), of the top of the air inlet channel (5), a first threaded hole (19) is formed in the fixing seat (3), a first lead screw (2) matched with the first threaded hole (19) is arranged at the position, close to the fixing seat (3), of the air inlet channel (5), a hand disc (1) is arranged at one end of the first lead screw (2), the other end of the first lead screw (2) penetrates through the first threaded hole (19) to extend into the inner part of the air inlet channel (5), a support rod (20) is installed at the other end of the first lead screw (2), a hairbrush (21) is uniformly installed on one side, far away from the, and the bottom of inlet channel (5) is close to the position that leads to groove (33) and installs baffle (6) through the articulated shaft, baffle (6) be close to lead to groove (33) one side all around the annular be equipped with lead to groove (33) assorted seal ring (34), one side of the articulated shaft is kept away from to the bottom of inlet channel (5) is installed stopper (38), and is equipped with spacing hole (41) on stopper (38), fixed block (35) are installed to one side that baffle (6) are close to stopper (38).

2. The composite inlet valve as set forth in claim 1 wherein: and a first flange plate (4) and a second flange plate (7) are respectively installed on the outer side wall of one end, far away from the piston (24), of the air inlet channel (5) and the air outlet channel (8), and mounting holes are uniformly formed in the periphery of the first flange plate (4) and the second flange plate (7) in an annular mode.

3. The composite inlet valve as set forth in claim 1 wherein: rotating part (17) are installed at the top of gland (31), and gland (31) are close to one side of internal thread (32) and are connected with extension (29), and the annular is equipped with on the lateral wall of extension (29) with internal thread (32) assorted external screw thread (30).

4. The composite inlet valve as set forth in claim 1 wherein: bump (16) are evenly installed to the annular on the lateral wall of giving vent to anger passageway (8) one end is kept away from in valve body (18), and all are equipped with the locating hole on bump (16), and buffer board (26) are all installed near piston (24) both ends to the inside of valve body (18), evenly are equipped with fixed orifices (25) on buffer board (26), and manometer (15) are installed near the top of dog (9) one side in valve body (18).

5. The composite inlet valve as set forth in claim 1 wherein: the periphery of the inner side wall of the valve body (18) close to the groove (23) is annularly provided with clamping grooves matched with the clamping blocks, and the clamping grooves and the clamping blocks are matched with each other to form a clamping structure.

6. The composite inlet valve as set forth in claim 1 wherein: the inside of fixed block (35) is equipped with fixed chamber (37), the inside in fixed chamber (37) is equipped with second spring (36), and second spring (36) keep away from the one end of baffle (6) and install through limiting plate (39) with spacing hole (41) assorted arch (40).