CN213393996U

CN213393996U - Bypass valve with good connection sealing performance

Info

Publication number: CN213393996U
Application number: CN202022135445.4U
Authority: CN
Inventors: 姜禹竹
Original assignee: Fengcheng Kaichi Internal Combustion Engine Parts Co ltd
Current assignee: Fengcheng Kaichi Internal Combustion Engine Parts Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-08
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a connect bypass valve that leakproofness is good, including bypass valve body and pipeline body, equal symmetrical installation has sealed clamping mechanism on bypass valve body and the pipeline body, and the equal fixed mounting in one side that bypass valve body and pipeline body are relative has the ring flange. The utility model discloses an all install sealed clamping mechanism on by-pass valve body and pipeline body, start the driving motor of homonymy simultaneously, it is rotatory to utilize driving motor to drive the driving gear, driven gear with it meshing drives the threaded rod and rotates under antifriction bearing's support, the horizontal motion of threaded connection at the limiting displacement of spacing slider under the threaded connection on the threaded rod, through the connection of first connecting rod and connecting plate, two second connecting rods of homonymy drive seal cover horizontal motion simultaneously, and make two seal covers laminate each other, and then realize sealedly to flange joint, improve sealing performance, the effectual leakage of having avoided liquid or air current, can satisfy diversified demand.

Description

Bypass valve with good connection sealing performance

Technical Field

The utility model relates to the technical field of valves, specifically be a connect bypass valve that leakproofness is good.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and in the prior art, the bypass valve and a pipeline are only fixed by flanges, so that the sealing performance is difficult to ensure at a joint, the leakage of liquid or air flow is easy to cause unnecessary troubles and the requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect bypass valve that leakproofness is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bypass valve with good connection sealing performance comprises a bypass valve body and a pipeline body, wherein sealing clamping mechanisms are symmetrically arranged on the bypass valve body and the pipeline body, flanges are fixedly arranged on opposite sides of the bypass valve body and the pipeline body, opposite sides of the two flanges are mutually contacted, and the two sealing clamping mechanisms positioned on the same side are fixedly connected through a sealing sleeve;

the sealing and clamping mechanism comprises a mounting plate, the mounting plate is fixedly connected to the bypass valve body through a mounting screw, the top of the mounting plate is connected with a connecting shell through a support rod, a driving motor is fixedly mounted on the left side of the top of the connecting shell, a driving rotating shaft is fixedly connected to an output shaft of the driving motor, the bottom end of the driving rotating shaft penetrates through the connecting shell and extends to an internal fixedly connected driving gear, a rolling bearing is fixedly mounted at the middle point on the left side of the inner wall of the connecting shell, a threaded rod is movably connected in the rolling bearing, the right end of the threaded rod penetrates through the rolling bearing and extends to the outside of the rolling bearing, a driven gear matched with the driving gear is fixedly connected to the position of the threaded rod surface corresponding to the driving gear, a threaded sleeve is connected to the right side of the threaded rod surface and corresponding to the driven gear, and the, the right side symmetry of thread bush is equipped with first connecting rod, and the right-hand member of two first connecting rods passes through connecting plate fixed connection, the midpoint department fixed connection on connecting plate right side has the second connecting rod, the right-hand member of second connecting rod runs through the connecting shell and extends to its outside and seal cover outside fixed connection.

Preferably, the bottom of the connecting shell is fixedly connected with a support rib corresponding to the support rod, and one side of the support rib close to the support rod is fixedly connected with the support rod.

Preferably, the top of the connecting shell is fixedly connected with a protective shell corresponding to the position of the driving motor, and heat dissipation holes are formed in the surface of the protective shell.

Preferably, the driving motor is a slow self-locking motor.

Preferably, the contact surfaces of the two sealing sleeves and the contact surfaces of the two flanges are not on the same plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an all install sealed clamping mechanism on by-pass valve body and pipeline body, start the driving motor of homonymy simultaneously, it is rotatory to utilize driving motor to drive the driving gear, driven gear with it meshing drives the threaded rod and rotates under antifriction bearing's support, the horizontal motion of threaded connection at the limiting displacement of spacing slider under the threaded connection on the threaded rod, through the connection of first connecting rod and connecting plate, two second connecting rods of homonymy drive seal cover horizontal motion simultaneously, and make two seal covers laminate each other, and then realize sealedly to flange joint, improve sealing performance, the effectual leakage of having avoided liquid or air current, can satisfy diversified demand.

2. The utility model discloses a set up the brace rod, improved the fixed degree of being connected between connection shell and the vaulting pole, prevent each other drop, through setting up the protecting crust, carry out certain dustproof and waterproof protection from the driving motor outside to prolong its life, the louvre is favorable to driving motor's heat dissipation.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the seal clamping mechanism of the present invention;

FIG. 3 is a partial enlarged view of A-A in FIG. 2.

In the figure: the pipeline sealing device comprises a bypass valve body 1, a pipeline body 2, a sealing clamping mechanism 3, a mounting plate 31, a mounting screw 32, a supporting rod 33, a connecting shell 34, a driving motor 35, a driving rotating shaft 36, a driving gear 37, a rolling bearing 38, a threaded rod 39, a driven gear 310, a threaded sleeve 311, a limiting slide block 312, a first connecting rod 313, a connecting plate 314, a second connecting rod 315, a supporting rib 316, a protective shell 317, a flange 4 and a sealing sleeve 5.

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. 1-3, a bypass valve with good connection sealing performance comprises a bypass valve body 1 and a pipeline body 2, wherein sealing and clamping mechanisms 3 are symmetrically arranged on the bypass valve body 1 and the pipeline body 2, flanges 4 are fixedly arranged on opposite sides of the bypass valve body 1 and the pipeline body 2, opposite sides of the two flanges 4 are in contact with each other, the two sealing and clamping mechanisms 3 positioned on the same side are fixedly connected through sealing sleeves 5, and contact surfaces of the two sealing sleeves 5 and contact surfaces of the two flanges 4 are not positioned on the same plane.

The sealing and clamping mechanism 3 comprises a mounting plate 31, the mounting plate 31 is fixedly connected to the bypass valve body 1 through a mounting screw 32, the top of the mounting plate 31 is fixedly connected with a connecting shell 34 through a support rod 33, the bottom of the connecting shell 34 is fixedly connected with a support rib 316 corresponding to the position of the support rod 33, one side of the support rib 316 close to the support rod 33 is fixedly connected with the support rod 33, the left side of the top of the connecting shell 34 is fixedly provided with a driving motor 35, the driving motor 35 specifically adopts a slow self-locking motor, the top of the connecting shell 34 is fixedly connected with a protective shell 317 corresponding to the position of the driving motor 35, the surface of the protective shell 317 is provided with heat dissipation holes, a driving rotating shaft 36 is fixedly connected to an output shaft of the driving motor 35, the bottom end of the driving rotating shaft 36 penetrates through the connecting shell 34 and extends to the driving gear 37 fixedly, a threaded rod 39 is movably connected in the rolling bearing 38, the right end of the threaded rod 39 penetrates through the rolling bearing 38 and extends to the outside of the rolling bearing, a driven gear 310 matched with the threaded rod 39 is fixedly connected to the surface of the threaded rod 39 corresponding to the driving gear 37, a threaded sleeve 311 is connected to the surface of the threaded rod 39 and the right side of the driven gear 310 in a threaded manner, the top and the bottom of the threaded sleeve 311 are both in sliding connection with the inner wall of the connecting shell 34 through a limiting slide block 312, first connecting rods 313 are symmetrically arranged on the right side of the threaded sleeve 311, the right ends of the two first connecting rods 313 are fixedly connected through a connecting plate 314, a second connecting rod 315 is fixedly connected to the middle point on the right side of the connecting plate 314, the right end of the second connecting rod 315 penetrates through the connecting shell 34 and extends to the outside of the connecting shell and is fixedly connected with the, by arranging the protective shell 317, certain dustproof and waterproof protection is carried out from the outside of the driving motor 35 to prolong the service life of the driving motor, the heat dissipation holes are beneficial to the heat dissipation of the driving motor 35, the sealing clamping mechanisms 3 are respectively arranged on the bypass valve body 1 and the pipeline body 2, the driving motor 35 on the same side is simultaneously started, the driving gear 37 is driven to rotate by the driving motor 35, the driven gear 310 meshed with the driving gear drives the threaded rod 39 to rotate under the support of the rolling bearing 38, the threaded sleeve 311 in threaded connection on the threaded rod 39 horizontally moves under the limiting action of the limiting slide block 312, through the connection of the first connecting rod 313 and the connecting plate 314, the two second connecting rods 315 on the same side simultaneously drive the sealing sleeves 5 to horizontally move, and the two sealing sleeves 5 are mutually attached, so that the sealing of the flange joint is realized, the sealing performance is improved, and the leakage, can meet the requirement of multiple directions.

During the use, start the driving motor 35 of homonymy simultaneously, utilize driving motor 35 to drive driving gear 37 rotatory, driven gear 310 with it meshing drives threaded rod 39 and rotates under the support of antifriction bearing 38, threaded sleeve 311 of threaded connection on threaded rod 39 is horizontal motion under the limiting displacement's of limiting slide block 312, through the connection of first connecting rod 313 and connecting plate 314, two second connecting rods 315 of homonymy drive seal cover 5 horizontal motion simultaneously to make two seal covers 5 laminate each other, and then realize sealing to the flange joint.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connect bypass valve that leakproofness is good, includes bypass valve body (1) and pipeline body (2), its characterized in that: the bypass valve body (1) and the pipeline body (2) are symmetrically provided with sealing clamping mechanisms (3), one sides of the bypass valve body (1) opposite to the pipeline body (2) are fixedly provided with flanges (4), one sides of the two flanges (4) opposite to each other are contacted with each other, and the two sealing clamping mechanisms (3) positioned on the same side are fixedly connected through a sealing sleeve (5);

sealing clamping mechanism (3) include mounting panel (31), mounting panel (31) are through mounting screw (32) fixed connection on bypass valve body (1), vaulting pole (33) fixedly connected with connection shell (34) are passed through at the top of mounting panel (31), the left side fixed mounting at connection shell (34) top has driving motor (35), fixedly connected with drive pivot (36) on the output shaft of driving motor (35), the bottom of drive pivot (36) is run through connection shell (34) and is extended to its inside fixedly connected with driving gear (37), the left centre point department fixed mounting of connection shell (34) inner wall has antifriction bearing (38), swing joint has threaded rod (39) in antifriction bearing (38), antifriction bearing (38) and its outside are worn to the right-hand member of threaded rod (39), the driven of position fixed connection that threaded rod (39) surface corresponds driving gear (37) and its cooperation use is connected with Gear (310), threaded rod (39) surface and the right side threaded connection who corresponds driven gear (310) have thread bush (311), the top and the bottom of thread bush (311) all are through spacing slider (312) and connect shell (34) inner wall sliding connection, the right side symmetry of thread bush (311) is equipped with first connecting rod (313), and the right-hand member of two first connecting rods (313) passes through connecting plate (314) fixed connection, midpoint department fixedly connected with second connecting rod (315) on connecting plate (314) right side, the right-hand member of second connecting rod (315) runs through connecting shell (34) and extends to its outside and seal cover (5) outside fixed connection.

2. A good-sealing bypass valve according to claim 1, characterized in that: the bottom of the connecting shell (34) is fixedly connected with a supporting rib (316) corresponding to the position of the supporting rod (33), and one side of the supporting rib (316) close to the supporting rod (33) is fixedly connected with the supporting rod (33).

3. A good-sealing bypass valve according to claim 1, characterized in that: the connecting shell (34) is fixedly connected with a protective shell (317) at the top and corresponding to the position of the driving motor (35), and heat dissipation holes are formed in the surface of the protective shell (317).

4. A good-sealing bypass valve according to claim 1, characterized in that: the driving motor (35) is a slow self-locking motor.

5. A good-sealing bypass valve according to claim 1, characterized in that: the contact surfaces of the two sealing sleeves (5) and the contact surfaces of the two flange plates (4) are not on the same plane.