CN211550650U

CN211550650U - Can force formula of opening stop check valve

Info

Publication number: CN211550650U
Application number: CN201922293908.7U
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 can force formula of opening by check valve, include by the check valve body, be equipped with sealing mechanism in the end of intaking by the check valve body, sealing mechanism sets up with the play water end lateral wall fixed connection that ends the check valve body, the same slide mechanism of fixedly connected with on the upper and lower both ends lateral wall by the check valve body, sealing mechanism slides and runs through in the slide mechanism setting and is connected rather than the meshing, movable sleeve is equipped with control mechanism on ending the check valve body, control mechanism and slide mechanism magnetic adsorption. The utility model discloses a sealing mechanism, slide mechanism and control mechanism's setting realize the sealed effect to the stop check valve body and carry out the effect of compulsory opening to it, when can guaranteeing the stop check valve efficiency, conveniently realize and the stop valve between the conversion, accomplish can interchangeability, it is required to satisfy the operating mode.

Description

Can force formula of opening stop check valve

Technical Field

The utility model relates to a check valve technical field especially relates to a can force formula of opening by check valve.

Background

The stop check valve has the functions of a stop valve and a check valve, the structure form of the stop check valve is similar to that of the stop valve, but the valve rod is not fixedly connected with the valve clack, when the valve rod descends to press the valve clack tightly on the valve seat, the stop check valve is used, after the valve rod ascends, the stop check valve is used, and the installation cost and the space position can be saved by using the stop check valve on a pipeline (such as an outlet end of a water pump) needing to be provided with the stop valve (or the gate valve) and the check valve at the same time or in a place (such as a ship) with. At present, the existing stop check valve is composed of a valve clack, a valve rod and a valve clack cover, the structure is opened, the valve clack is mainly pushed by the pressure of a valve clack medium, the valve clack is vertically slid in the valve clack cover, the valve clack is closed and mainly closed by a hand wheel acting on the valve rod, but the structure can be opened only by the pressure of the medium when the structure is opened, and the existing stop check valve cannot be realized when some working conditions are required to be forcibly opened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art has the shortcoming that the forced opening mode of the stop check valve is small in application range, and providing a forced opening type stop check valve.

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

a stop check valve capable of being forcibly opened comprises a stop check valve body, a sealing mechanism is arranged in the water inlet end of the stop check valve body, the sealing mechanism is fixedly connected with the side wall of the water outlet end of the stop check valve body, the side walls of the upper end and the lower end of the stop check valve body are fixedly connected with the same sliding mechanism, the sealing mechanism is arranged by penetrating through the sliding mechanism in a sliding way and is meshed with the sliding mechanism, the stop check valve body is movably sleeved with a control mechanism, the control mechanism and the sliding mechanism are magnetically adsorbed, and it should be noted that the sealing mechanism, the sliding mechanism and the control mechanism are arranged to realize the sealing function of the body of the stop check valve and the forced opening function thereof, the stop check valve has the advantages that the effect of the stop check valve can be guaranteed, meanwhile, the stop check valve is convenient to convert with a stop valve, interchangeability is achieved, and requirements of working conditions are met.

Preferably, the sealing mechanism includes a sealing plate movably sealed and arranged in the water inlet end of the stop check valve body, a rack is fixedly connected to the side wall of the sealing plate, one end of the rack, which is far away from the sealing plate, is slidably penetrated through a sliding mechanism and is fixedly connected with a telescopic rod, one end of the telescopic rod, which is far away from the rack, is fixedly arranged on the side wall of the water outlet end of the stop check valve body, the rack is meshed with the sliding mechanism and is connected with the sliding mechanism, and it needs to be explained that the sealing mechanism is arranged to seal the water inlet end of the stop check valve body, so that backflow of. The sliding mechanism comprises a same limiting cylinder fixedly arranged on the side walls at the upper end and the lower end of the stop check valve body, a rack is arranged to slide through the side walls of the limiting cylinder, the stop check valve body is arranged on the side walls at the upper end and the lower end of the limiting cylinder and is connected with a same lead screw in a rotating mode, the lead screw is connected with two sliders in a rotating mode, the sliders are arranged in the limiting cylinder in a sliding mode, the back ends of the sliders are adsorbed with the control mechanism in a magnetic mode, the opposite ends of the sliders are fixedly connected with a same spring, the lead screw is arranged on the portion, located at the center, of the lead screw, and are coaxially and fixedly connected with gears which are meshed with the rack. The control mechanism comprises a ring-shaped block which is movably sleeved on the stop check valve body, the two ends of the sliding block, which are opposite to each other, are magnetically adsorbed to the ring-shaped block, two limit blocks are fixedly connected to the side wall of the ring-shaped block, bolts are rotatably connected to the limit blocks through threads, the rotating ends of the bolts are rotatably connected to the side wall of the stop check valve body through the limit blocks, the control mechanism is arranged to realize the fixed limit effect on the ring-shaped block, and further, the sealing plate can be ensured to effectively seal the water inlet end of the stop check valve body, and the stop valve is ensured to have the efficacy.

Preferably, threaded holes matched with the bolts are formed in the side walls of the upper end and the lower end of the stop check valve body, the two bolts are respectively arranged in the two threaded holes in a threaded manner, and it needs to be explained that the bolts are locked and fixed by the threaded holes, so that the stability of the annular block is guaranteed.

Preferably, the first magnet and the second magnet are respectively arranged in the sliding block and the annular block, the polarities of the first magnet and the second magnet are opposite, and the arrangement of the first magnet and the second magnet with opposite polarities is beneficial to realizing the adsorbability of the annular block and the sliding block, so as to promote the realization of the forced opening effect on the sealing plate.

The utility model has the advantages that: the sealing mechanism is arranged to realize the sealing effect on the water inlet end of the stop check valve body, so that the water flow is prevented from flowing back. The sealing mechanism is forcibly opened by the aid of the sliding mechanism, so that requirements for working conditions are met, and the practicability of the sealing mechanism is improved. The fixed limiting effect on the annular block is realized through the arrangement of the control mechanism, so that the sealing plate can be favorably ensured to effectively seal the water inlet end of the stop check valve body, and the effect of the stop valve can be favorably ensured.

Drawings

Fig. 1 is a perspective view of a forcibly openable check valve according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic view of a connection structure between a spring and a slider in the forced opening type stop check valve according to the present invention.

In the figure: the stop check valve comprises a stop check valve body 1, a sealing mechanism 2, a sliding mechanism 3, a control mechanism 4, a sealing plate 5, a rack 6, a telescopic rod 7, a limiting cylinder 8, a lead screw 9, a sliding block 10, a spring 11, a gear 12, an annular block 13, a limiting block 14 and a bolt 15.

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 forced opening type stop check valve comprises a stop check valve body 1, a sealing mechanism 2 is arranged in a water inlet end of the stop check valve body 1, the sealing mechanism 2 is fixedly connected with a water outlet end side wall of the stop check valve body 1, the same sliding mechanism 3 is fixedly connected with upper and lower end side walls of the stop check valve body 1, the sealing mechanism 2 is slidably arranged through the sliding mechanism 3 and is engaged with the sliding mechanism 3, wherein the sealing mechanism 2 comprises a sealing plate 5 movably and hermetically arranged in the water inlet end of the stop check valve body 1, a rack 6 is fixedly connected with a side wall of the sealing plate 5, one end of the rack 6, which is far away from the sealing plate 5, is slidably arranged through the sliding mechanism 3 and is fixedly connected with a telescopic rod 7, one end of the telescopic rod 7, which is far away from the, rack 6 is connected the setting with 3 meshing of slide mechanism, slide mechanism 3 is including fixed setting up same spacing section of thick bamboo 8 on the lateral wall at both ends about the stop check valve body 1, rack 6 slides and runs through in the lateral wall setting of spacing section of thick bamboo 8, it is connected with same lead screw 9 to rotate on the upper and lower both ends lateral wall that stop check valve body 1 is located spacing section of thick bamboo 8, it is connected with two sliders 10 to rotate on the lead screw 9, two sliders 10 all slide and set up in spacing section of thick bamboo 8, the end of keeping back on the other side of two sliders 10 all with control mechanism 4 magnetic adsorption, the same root spring 11 of looks remote site fixedly connected with of two sliders 10, coaxial fixedly connected with gear 12 on the part that lead screw 9 is located the center, gear.

It should be noted that the sealing plate 5 is mainly used for sealing the water inlet end of the cut-off check valve body 1, the shape and size of the sealing plate 5 are matched with those of the water inlet end of the cut-off check valve body 1, and the sealing plate 5 is slidably arranged in the water inlet end of the cut-off check valve body 1; the telescopic rod 7 is used for limiting and supporting the rack 6, so that the rack 6 and the gear 12 are always in a meshed state; the limiting cylinder 8 is used for limiting the sliding block 10, and further limiting the sliding block 10 to move up and down in the limiting cylinder 8; the spring 11 has a certain elasticity, and the elasticity of the spring 11 is greater than the mutual repulsion between the two sliders 10, so that the two sliders 10 can be restored to a set state under the elastic action of the spring 11 under the nonadsorption action.

Wherein, the movable sleeve is equipped with control mechanism 4 on the stop check valve body 1, control mechanism 4 and 3 magnetic adsorption of slide mechanism, annular piece 13 on the stop check valve body 1 is located including the movable sleeve to control mechanism 4, the back of the body end of two sliders 10 all adsorbs with annular piece 13 magnetic adsorption, two stopper 14 of fixedly connected with on the lateral wall of annular piece 13, equal screw thread rotation is connected with bolt 15 on two stopper 14, bolt 15's rotation end rotate run through in stopper 14 setting and with the lateral wall threaded connection who stops check valve body 1, all seted up on the upper and lower both ends lateral wall that stops check valve body 1 with 15 assorted screw holes of bolt, two bolt 15 difference screw thread sets up in two screwed holes, be equipped with first magnet and second magnet in slider 10 and the annular piece 13 respectively, first magnet is opposite with second magnet polarity.

It should be noted that the two limiting blocks 14 are respectively located on the side walls of the lower end and the upper end of the stop check valve body 1, and then are fixed by bolts 15, so as to fix the annular block 13; the arrangement of the threaded holes realizes the locking and fixing of the bolts 15, which is beneficial to ensuring the stability of the annular block 13; the arrangement of the first magnet and the second magnet with opposite polarities is beneficial to realizing the adsorbability of the annular block 13 and the sliding block 10, further promoting the realization of the forced opening action on the sealing plate 5, and the magnetism of the first magnet is an N pole, while the magnetism of the second magnet is an S pole; the adsorbability of the first magnetic block and the second magnetic block is greater than the elastic action of the spring 11, so that when the first magnetic block and the second magnetic block are adsorbed, the spring 11 is in a stretching state under the condition that the two sliders 10 move oppositely; the two bolts 15 are far away from the handle fixedly connected to one end of the stop check valve body 1, and the handle is used for driving the bolts 15 to rotate.

In the utility model, the manual driving handle rotates to drive the bolt 15 to do synchronous motion, the bolt 15 is slowly screwed out from the threaded hole, then the annular block 13 is manually taken down from the stop check valve body 1, at the moment, because the second magnetic block in the annular block 13 is far away from the first magnetic block in the slider 10, the magnetic adsorptivity of the first magnetic block and the second magnetic block disappears, at the moment, the two sliders 10 do relative sliding motion due to the elastic action of the spring 11, the two sliders 10 do relative motion to rotate the lead screw 9, the lead screw 9 rotates to drive the gear 12 to rotate, the gear 12 rotates to drive the rack 6 to do translational motion, and then the rack 6 translational motion drives the sealing plate 5 to do synchronous motion, thereby realizing the forced opening of the sealing plate 5; conversely, the above process can achieve the opposite effect by making opposite motions.

Claims

1. The utility model provides a can force open formula by check valve, includes by check valve body (1), its characterized in that, be equipped with sealing mechanism (2) in the end of intaking of by check valve body (1), sealing mechanism (2) and the play water end lateral wall fixed connection setting of by check valve body (1), fixedly connected with same slide mechanism (3) on the upper and lower both ends lateral wall of by check valve body (1), sealing mechanism (2) slide run through in slide mechanism (3) setting and rather than the meshing is connected, movable sleeve is equipped with control mechanism (4) on by check valve body (1), control mechanism (4) and slide mechanism (3) magnetic adsorption.

2. The stop check valve capable of being forcibly opened according to claim 1, wherein the sealing mechanism (2) comprises a sealing plate (5) movably and sealingly disposed in the water inlet end of the stop check valve body (1), a rack (6) is fixedly connected to the side wall of the sealing plate (5), one end of the rack (6) away from the sealing plate (5) is slidably disposed through the sliding mechanism (3) and is fixedly connected with a telescopic rod (7), one end of the telescopic rod (7) away from the rack (6) is fixedly disposed on the side wall of the water outlet end of the stop check valve body (1), the rack (6) is engaged with the sliding mechanism (3), the sliding mechanism (3) comprises the same stop cylinder (8) fixedly disposed on the side wall of the upper and lower ends of the stop check valve body (1), and the rack (6) is slidably disposed through the side wall of the stop cylinder (8), the stop check valve comprises a stop check valve body (1), wherein the same lead screw (9) is rotatably connected to the side walls of the upper end and the lower end of the stop check valve body (1) which are positioned in a limiting cylinder (8), the lead screw (9) is rotatably connected with two sliding blocks (10), the two sliding blocks (10) are arranged in the limiting cylinder (8) in a sliding manner, the ends, opposite to each other, of the two sliding blocks (10) are magnetically adsorbed to a control mechanism (4), the opposite ends of the two sliding blocks (10) are fixedly connected with a same spring (11), the part, positioned in the center, of the lead screw (9) is coaxially and fixedly connected with a gear (12), the gear (12) is meshed with a rack (6) and is connected with the rack (6), the control mechanism (4) comprises an annular block (13) movably sleeved on the stop check valve body (1), the ends, opposite to each sliding block (10) are magnetically adsorbed to the annular block (, and two limiting blocks (14) are connected with bolts (15) in a rotating mode through threads, and rotating ends of the bolts (15) rotate to penetrate through the limiting blocks (14) and are connected with the side wall threads of the stop check valve body (1).

3. The stop check valve of claim 2, wherein the upper and lower sidewalls of the body (1) have threaded holes for receiving bolts (15), and the two bolts (15) are threaded in the two threaded holes respectively.

4. A check valve of the forced opening type according to claim 3, wherein the slider (10) and the ring block (13) are provided therein with a first magnet and a second magnet, respectively, the first magnet and the second magnet having opposite polarities.