CN211550643U

CN211550643U - Pressure sealing internal hanging support type check valve

Info

Publication number: CN211550643U
Application number: CN201922294816.0U
Authority: CN
Inventors: 孙晋; 卢军; 祁海俊; 茆荣鑫
Original assignee: Newman Yancheng Valve Manufacturing Co ltd
Current assignee: Newman Yancheng Valve Manufacturing Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-22
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a pressure seal inner hanging bracket type check valve, which comprises a valve body, the upper end of valve body is equipped with the valve gap, through a plurality of fixed establishment fixed connection between valve body and the valve gap, the sealed piece of valve body inner seal sliding connection, the lower extreme fixedly connected with sealing plug of sealed piece is equipped with in the valve body and gets sealed the pad with the sealing plug phase-match, be equipped with in the sealed piece and be used for carrying out the buffer gear who cushions it, be equipped with in the valve gap and be used for carrying out the adjustment mechanism who adjusts the pressure of valve body. The utility model discloses can adjust the inside water pressure of valve body, and be convenient for maintain.

Description

Pressure sealing internal hanging support type check valve

Technical Field

The utility model relates to a check valve technical field especially relates to a pressure seal hangs posture check valve in.

Background

The check valve is a valve whose opening and closing member is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve clack motion mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the stop valve, only lacks a valve rod for driving the valve clack, medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side), when the inlet pressure is greater than the sum of the weight of the valve clack and flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards. The swing check valve has a flap that is canted and can pivot. The pressure of current check valve is fixed, can circulate when water pressure reaches the certain degree, can not adjust the pressure of check valve inner core, and application range is less and be not convenient for maintain it. Therefore, the pressure sealing inner hanging bracket type check valve is proposed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pressure of the check valve can not be adjusted in the prior art, and the pressure sealing inner hanging bracket type check valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

pressure seal inner hanging bracket type check valve, including the valve body, the upper end of valve body is equipped with the valve gap, through a plurality of fixed establishment fixed connection between valve body and the valve gap, the sealed sliding connection has sealed piece in the valve body, the lower extreme fixedly connected with sealing plug of sealed piece is equipped with in the valve body and must sealed the pad with the sealing plug phase-match, be equipped with in the sealed piece and be used for carrying out the buffer gear who cushions it, be equipped with in the valve gap and be used for carrying out the adjustment mechanism who adjusts the pressure of valve body.

Preferably, fixed establishment includes first joint board and second joint board, the lateral wall fixed connection of first joint board and valve gap the lateral wall fixed connection of second joint board and valve body, the lower extreme of first joint board rotates and is connected with first threaded rod, first threaded rod overlaps in proper order outward and is equipped with spacing ring, first spring, shift ring and screw ring, spacing ring and shift ring all with first threaded rod sliding connection, screw ring and first threaded rod threaded connection, be equipped with on the second joint board with first threaded rod assorted fluting, the lower extreme of second joint board be equipped with spacing ring assorted spacing groove.

Preferably, buffer gear is including setting up the cavity in the sealing block, be equipped with the diaphragm in the cavity, through second spring fixed connection between the lower extreme of diaphragm and the cavity inside wall, the upper end fixedly connected with montant of diaphragm, the upper end of montant slides and runs through the sealing block setting.

Preferably, adjustment mechanism includes that vertical slip runs through the second threaded rod of the setting of valve gap, the lower extreme of second threaded rod is rotated with the upper end of montant and is connected, be equipped with the recess on the lateral wall of valve gap, the second threaded rod runs through the recess setting, the whole body lateral wall of valve gap rotates and is connected with T type swivel becket, be connected through the drive mechanism transmission between T type swivel becket and the second threaded rod.

Preferably, drive mechanism includes that the threaded sleeve outside the second threaded rod is established to the thread bush, threaded sleeve's upper and lower both ends all are connected with the rotation of recess inside wall, threaded sleeve lateral wall and T type rotating ring inside wall all are equipped with annular tooth's socket, vertical rotation is connected with the pivot in the recess, coaxial fixedly connected with gear outside the pivot, two annular tooth's socket all meshes with the gear mutually.

Preferably, the outer side wall of the second threaded rod is imprinted with scale values.

The utility model has the advantages that: by arranging the adjusting mechanism, the T-shaped rotating ring is rotated to drive the gear to rotate, the gear drives the threaded sleeve to rotate, the threaded sleeve drives the first threaded rod to lift, the first threaded rod drives the transverse plate to lift, and the transverse plate compresses the second spring, so that the pressure of the second spring on the sealing block is changed, the water pressure in the valve body can be adjusted, and the adjustment is convenient; through setting up fixed establishment, rotate two threaded rings in proper order, threaded ring downstream, the spring can promote to move this moment and trade the downstream and make the spacing ring shift out the draw-in groove under the action of gravity, then rotate first threaded rod for first threaded rod shifts out the fluting, then can drag the valve gap, the valve gap drives the montant through the second threaded rod and rises, the montant drives sealed piece and rises, in sealed piece shifts out the valve body, can maintain it, it is convenient to maintain.

Drawings

Fig. 1 is a front perspective view of a pressure-sealed internal-hanging bracket type check valve according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: the valve comprises a valve body 1, a valve cover 2, a fixing mechanism 3, a sealing block 4, a sealing plug 5, a sealing gasket 6, a buffering mechanism 7, an adjusting mechanism 8, a gear 9, a first clamping plate 10, a second clamping plate 11, a first threaded rod 12, a limiting ring 13, a first spring 14, a moving ring 15, a threaded ring 16, a groove 17, a cavity 18, a transverse plate 19, a second spring 20, a vertical rod 21, a second threaded rod 22, a groove 23, a rotating ring 24T-shaped, a transmission mechanism 25, a threaded sleeve 26, an annular tooth groove 27 and a rotating shaft 28.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a pressure seal inner hanging bracket type check valve comprises a valve body 1, a valve cover 2 is arranged at the upper end of the valve body 1, the valve body 1 and the valve cover 2 are fixedly connected through a plurality of fixing mechanisms 3, concretely, the fixing mechanisms 3 comprise a first clamping plate 10 and a second clamping plate 11, the first clamping plate 10 is fixedly connected with the side wall of the valve cover 2 and the side wall of the second clamping plate 11 is fixedly connected with the side wall of the valve body 1, the lower end of the first clamping plate 10 is rotatably connected with a first threaded rod 12, a limiting ring 13, a first spring 14, a moving ring 15 and a threaded ring 16 are sequentially sleeved outside the first threaded rod 12, and the limiting ring 13 and the moving ring 15 are both in sliding connection with the first threaded rod 12.

The utility model discloses in, threaded

ring

16 and 12 threaded connection of first threaded rod, be equipped with on the second joint board 11 with 12 assorted fluting 17 of first threaded rod, the lower extreme of second joint board 11 be equipped with spacing ring 13 assorted spacing groove, 1 internal seal sliding connection of valve body has sealed piece 4, the lower extreme fixedly connected with sealing plug 5 of sealed piece 4, be equipped with in the valve body 1 and get sealed the pad 6 with sealing plug 5 phase-match, be equipped with in the sealed piece 4 and be used for carrying out the buffer gear 7 that cushions to it, it needs to explain, buffer gear 7 is including setting up the cavity 18 in sealed piece 4, be equipped with diaphragm 19 in the cavity 18, through second spring 20 fixed connection between diaphragm 19's the lower extreme and the 18 inside walls of cavity, diaphragm 19's upper end fixedly connected with montant 21, sealed piece 4 settings is run through in the upper end slip of.

In the utility model, the valve cover 2 is internally provided with an adjusting mechanism 8 for adjusting the pressure of the valve body 1, furthermore, the adjusting mechanism 8 comprises a second threaded rod 22 which vertically slides and penetrates through the valve cover 2, it is worth mentioning that the outer side wall of the second threaded rod 22 is engraved with scale values, the lower end of the second threaded rod 22 is rotatably connected with the upper end of a vertical rod 21, the side wall of the valve cover 2 is provided with a groove 23, the second threaded rod 22 penetrates through the groove 23, the whole body side wall of the valve cover 2 is rotatably connected with a T-shaped rotating ring 24, the T-shaped rotating ring 24 is in transmission connection with the second threaded rod 22 through a transmission mechanism 25, it needs to be noted that the transmission mechanism 25 comprises a threaded sleeve 26 which is sleeved outside the second threaded rod 22, the upper end and the lower end of the threaded sleeve 26 are both rotatably connected with the inner side wall of the groove 23, the outer side wall of the threaded sleeve 26 and the inner side, a rotating shaft 28 is vertically and rotatably connected in the groove 23, a gear 9 is coaxially and fixedly connected outside the rotating shaft 28, and the two annular tooth grooves 27 are meshed with the gear 9.

The utility model discloses when adjusting water pressure, rotate T type swivel ring 24, T type swivel ring 24 drives pivot 9 and rotates, and pivot 9 drives threaded sleeve 26 and rotates, and threaded sleeve 26 drives second threaded rod 22 and goes up and down, and second threaded rod 22 drives montant 21 and goes up and down, and montant 21 drives diaphragm 19 and goes up and down, and diaphragm 19 changes the pressure to second spring 20, and second spring 20 then changes the pressure to sealed piece 4, can change water pressure.

The utility model discloses when maintaining, rotate two screw rings 16 in proper order, screw ring 16 drives shift ring 15 and removes, shift ring 15 drives spacing ring 13 through first spring 14 and removes, shift out the draw-in groove until spacing ring 13, then rotate first threaded rod 12, shift out fluting 17 until first threaded rod 12 can, then stimulate valve gap 2, valve gap 2 drives montant 21 through second threaded rod 22 and goes up and down, montant 21 drives sealed piece 4 and removes, shift out to the valve body 1 outside until sealed piece 4, then can maintain the check valve.

Claims

1. Pressure seal hangs posture check valve in, including valve body (1), its characterized in that, the upper end of valve body (1) is equipped with valve gap (2), through a plurality of fixed establishment (3) fixed connection between valve body (1) and valve gap (2), valve body (1) inner seal sliding connection has sealed piece (4), the lower extreme fixedly connected with sealing plug (5) of sealed piece (4), be equipped with in valve body (1) and get sealed pad (6) with sealing plug (5) phase-match, be equipped with in sealed piece (4) and be used for carrying out buffer gear (7) to it, be equipped with in valve gap (2) and be used for carrying out adjustment mechanism (8) adjusted to the pressure of valve body (1).

2. The pressure-sealing internal-hanging bracket type check valve according to claim 1, wherein the fixing mechanism (3) comprises a first clamping plate (10) and a second clamping plate (11), the first clamping plate (10) is fixedly connected with the side wall of the valve cover (2), the second clamping plate (11) is fixedly connected with the side wall of the valve body (1), the lower end of the first clamping plate (10) is rotatably connected with a first threaded rod (12), a limit ring (13), a first spring (14), a moving ring (15) and a threaded ring (16) are sequentially sleeved outside the first threaded rod (12), the limit ring (13) and the moving ring (15) are both in sliding connection with the first threaded rod (12), the threaded ring (16) is in threaded connection with the first threaded rod (12), a slot (17) matched with the first threaded rod (12) is arranged on the second clamping plate (11), the lower end of the second clamping plate (11) is provided with a limiting groove matched with the limiting ring (13).

3. The pressure sealing inner hanging bracket type check valve according to claim 2, characterized in that the buffer mechanism (7) comprises a cavity (18) arranged in the sealing block (4), a transverse plate (19) is arranged in the cavity (18), the lower end of the transverse plate (19) is fixedly connected with the inner side wall of the cavity (18) through a second spring (20), the upper end of the transverse plate (19) is fixedly connected with a vertical rod (21), and the upper end of the vertical rod (21) is arranged to slide through the sealing block (4).

4. The pressure-sealing internal-hanging bracket type check valve according to claim 3, characterized in that the adjusting mechanism (8) comprises a second threaded rod (22) which vertically slides through the setting of the valve cover (2), the lower end of the second threaded rod (22) is rotatably connected with the upper end of a vertical rod (21), a groove (23) is arranged on the side wall of the valve cover (2), the second threaded rod (22) is arranged through the groove (23), the peripheral side wall of the valve cover (2) is rotatably connected with a T-shaped rotating ring (24), and the T-shaped rotating ring (24) is in transmission connection with the second threaded rod (22) through a transmission mechanism (25).

5. The pressure-sealing inner-hanging bracket type check valve according to claim 4, wherein the transmission mechanism (25) comprises a threaded sleeve (26) which is sleeved outside the second threaded rod (22) in a threaded manner, the upper end and the lower end of the threaded sleeve (26) are rotatably connected with the inner side wall of the groove (23), annular tooth grooves (27) are formed in the outer side wall of the threaded sleeve (26) and the inner side wall of the T-shaped rotating ring (24), a rotating shaft (28) is vertically and rotatably connected in the groove (23), a gear (9) is coaxially and fixedly connected outside the rotating shaft (28), and the two annular tooth grooves (27) are meshed with the gear (9).

6. The pressure-sealing inner hanger check valve according to claim 4, wherein the outer side wall of the second threaded rod (22) is engraved with scale values.