CN211175607U - Valve mechanical locking mechanism with auxiliary sealing function - Google Patents

Abstract

The utility model discloses a valve machinery locking mechanical system with supplementary sealing effect, including the locating piece, the locating piece is extended into the inside front and back end of casing by the opening, and the opening sets up respectively in casing one side front end middle part and opposite side rear end middle part, locating piece outer end middle part has the branch pipe through screw threaded connection, and branch pipe outer end threaded connection has branch, the internal thread groove that the branch pipe set up through inside cavity both ends equidistance and the external thread groove threaded connection that the outside both ends of branch set up. The utility model discloses a set up branch, branch pipe, external thread groove, internal thread groove and locating piece structure, have and be convenient for lock the butterfly valve, strengthen the advantage of butterfly valve locking structure suitability.

Description

Valve mechanical locking mechanism with auxiliary sealing function

Technical Field

The utility model relates to a butterfly valve specifically is a valve mechanical locking mechanical system with supplementary sealed effect with relevant accessory technical field.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) which is a disc and rotates around a valve shaft to open and close, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays the roles of cutting off and throttling on a pipeline, the butterfly valve opening and closing part is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body so as to achieve the purpose of opening, closing and regulating, and the butterfly valve generally has no related locking structure when in use, is easy to cause the man-made malicious opening and closing operation of the butterfly valve, brings unnecessary influence, and the length regulation of the locking structure is inconvenient, the applicability is poor, and the limitation is large at present, so the improvement, to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a valve machinery locking mechanical system with supplementary sealed effect to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve machinery locking mechanical system with supplementary sealed effect, includes the locating piece, the locating piece is extended into the inside front and back end of casing by the opening, and the opening sets up respectively in casing one side front end middle part and opposite side rear end middle part, locating piece outer end middle part has the branch pipe through screw threaded connection, and branch pipe outer end threaded connection has branch, the branch pipe is through the internal thread groove that inside cavity both ends equidistance set up and the external screw thread groove threaded connection that the outside both ends of branch set up.

Preferably, the opening outside cup joints and is connected with the closing plate, and the lower extreme middle part through connection has the reference column about the closing plate positive surface, and the reference column cup joints with the casing surface and is connected.

Preferably, the shell is arranged at the central position of the inner side of the branch pipe, and the middle end in the shell is rotatably connected with the valve body.

Preferably, the front ends of the two sides of the positioning block are fixedly connected with clamping blocks, and the clamping blocks are connected with clamping grooves formed in the rear ends of the two sides in the through openings in a clamping mode.

Preferably, the support rod extends into the branch pipe from an inlet and an outlet arranged in the middle of two ends of the branch pipe, and the middle of the outer end of the support rod is fixedly connected with a rotating handle through a cross rod.

Preferably, the central position of the front surface of the branch pipe is provided with a limiting groove, and the middle parts of the two ends in the limiting groove are fixedly connected with limiting frames.

(III) advantageous effects

The utility model provides a valve machinery locking mechanical system with supplementary sealed effect possesses following beneficial effect:

(1) the utility model has the advantages that the structure locking of the butterfly valve is realized by arranging the support rod, the branch pipe, the through hole and the positioning block, the effect of enhancing the use safety of the butterfly valve is achieved, the problem that the butterfly valve is easy to be opened and closed manually and maliciously due to no related locking structure when the butterfly valve is generally used is solved, the problem of unnecessary influence is caused, a group of through holes are arranged at the front end of one side of the shell and the rear end of the other side, the branch pipe is connected with the screw hole arranged at the middle part of the outer end of the positioning block, the structure between the branch pipe and the positioning block is fixed, the positioning block is further extended into the through hole through the branch pipe, the clamping blocks arranged at the front ends of the two sides of the positioning block are connected with the clamping grooves arranged at the rear ends of the two sides in the through hole in a clamping way, the positioning, the valve body that sets up to the internal central point of casing carries out the spacing of structure to exert anticlockwise power to the screw, carry out the branch pipe and the locating piece between the separation, and then realize locking the butterfly valve, made things convenient for the use.

(2) The utility model discloses a set up external thread groove and internal thread groove, it is convenient for carry out the size to butterfly valve locking structure and adjusts to have, strengthen the effect of its suitability, the butterfly valve locking structure size simplification has been solved, the relatively poor problem of suitability, both ends equidistance is provided with the internal thread groove in the cavity that the middle part set up in the branch pipe, be provided with the external thread groove at branch surface both ends equidistance, branch is inside by the exit of branch pipe both ends middle part setting extend into the branch pipe, and be connected through between internal thread groove and the external thread groove, carry out the regulation at the inside extension distance of branch pipe to branch, and then carry out the regulation of size of a dimension to butterfly valve locking structure, be convenient for carry out the locating piece and be connected between the opening, strengthen.

Drawings

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

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the interior of the cavity of the present invention;

fig. 4 is the inside schematic view that looks sideways at of casing one side opening of the utility model.

The reference numbers in the figures are:

1. rotating the handle; 2. an outer thread groove; 3. a strut; 4. a cross bar; 5. a housing; 6. a valve body; 7. a branch pipe; 8. a limiting frame; 9. an inlet and an outlet; 10. a limiting groove; 11. an internal thread groove; 12. a cavity; 13. a card slot; 14. a positioning column; 15. a sealing plate; 16. positioning blocks; 17. a screw hole; 18. a port; 19. and (7) clamping blocks.

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 a technical solution: a valve mechanical locking mechanism with auxiliary sealing function comprises a positioning block 16, wherein the positioning block 16 extends into the front end and the rear end of the interior of a shell 5 from through holes 18, the through holes 18 are respectively arranged in the middle of the front end of one side and the middle of the rear end of the other side of the shell 5, the positioning block 16 extends into the shell 5 from the through holes 18, the through holes 18 are respectively arranged at the front end of one side and the rear end of the other side of the shell 5, so that the positioning block 16 extends to the front end of one side and the rear end of the other side of the interior of the shell 5, a valve body 6 in the central position of the interior of the shell 5 is structurally limited, the locking function of the valve body 6 is realized, the middle of the outer end of the positioning block 16 is in threaded connection with a branch pipe 7 through a screw hole 17, a support rod 3 is in threaded connection with the outer end of the branch pipe 7, by the effect of applying force to branch pipe 7, make inside locating piece 16 extends into opening 18, and carry out the structure that is inside at opening 18 fixed, branch pipe 7 is through the internal thread groove 11 that inside cavity 12 both ends equidistance set up and the 2 threaded connection of the external thread groove that 3 outside both ends of branch set up, through being connected between internal thread groove 11 and the external thread groove 2, carry out the regulation at the inside extension distance of branch pipe 7 to branch pipe 3, and then carry out the regulation of size of a dimension to butterfly valve locking structure, be convenient for carry on the locating piece 16 and be connected between opening 18, strengthen its suitability.

Further, the outside of opening 18 cup joints and is connected with closing plate 15, and closing plate 15 front surface upper and lower extreme middle part through connection has reference column 14, and reference column 14 cup joints with 5 surfaces of casing and is connected, cup joints the closing plate 15 of connecting by the outside of opening 18, carries out sealing process to opening 18, avoids the inside seepage phenomenon that takes place of butterfly valve, simultaneously, runs through closing plate 15 with the casing 5 surface with reference column 14 and cup joints and be connected, carries out the fixed once more of structure to closing plate 15.

Further, the shell 5 is arranged at the central position of the inner side of the branch pipe 7, the valve body 6 is rotatably connected to the middle end of the inner portion of the shell 5, the position of the shell 5, which is arranged on the inner side of the branch pipe 7, is explained, connection between the branch pipe 7 and the shell 5 is facilitated, opening and closing operation is performed on the circulation space inside the shell 5 through the valve body 6 which is rotatably connected to the inner portion of the shell 5, and stopping operation of fluid in the inner space of the shell 5 is achieved.

Further, the front ends of two sides of the positioning block 16 are fixedly connected with clamping blocks 19, the clamping blocks 19 are connected with clamping grooves 13 arranged at the rear ends of the two sides in the through opening 18 in a clamping mode, the clamping blocks 19 and the clamping grooves 13 are structurally arranged at the front ends of two sides of the positioning block 16 and the rear ends of two sides in the through opening 18 respectively, the clamping blocks 19 and the clamping grooves 13 are connected in a clamping mode, the positioning block 16 is structurally fixed at the front end in the through opening 18, and the operation of limiting the structure of the positioning block 16 on the valve body 6 is achieved.

Further, branch 3 is imported and exported 9 by 7 both ends middle parts of branch pipe settings and is extended into 7 insides of branch pipe, and 3 outer ends middle parts of branch pipe pass through 4 fixedly connected with rotation handle 1 of horizontal pole, carry out offering of structure to importing and exporting 9 by 7 both ends middle parts of branch pipe, and import and export 9 through setting up and realize 3 freely business turn over in 7 insides of branch pipe, and simultaneously, carry out the structure fixed by horizontal pole 4 that 7 outer ends middle parts of branch pipe set up to rotation handle 1, be convenient for realize the structural connection of branch 3 in 7 insides of branch pipe by the rotation handle 1 that sets up.

Further, spacing groove 10 has been seted up to the positive surperficial central point of branch pipe 7, and spacing 8 of both ends middle part fixedly connected with in the spacing groove 10, carries out offering of structure to spacing groove 10 by the positive surperficial central point of branch pipe 7, carries out the installation of structure fixedly by the spacing 10 interior both sides middle part of seting up to spacing 8 to carry out the injecing of structure, portable uses through the spacing 8 of setting up to branch 3 after the dismantlement.

The working principle is as follows: when in use, an outward force is applied to the supporting rod 3, the supporting rod 3 is separated from the limiting frame 8, so that the supporting rod 3 is taken out from the inside of the limiting groove 10, at the moment, the size of the branch pipe 7 is adjusted according to the diameter of the shell 5, when the diameter of the shell 5 is smaller, the supporting rod 3 is extended into the branch pipe 7 through the inlet and outlet 9 arranged at the two ends of the branch pipe 7, the external thread grooves 2 arranged at the two ends of the outer surface of the supporting rod 3 at equal intervals are in threaded connection with the internal thread grooves 11 arranged at the two sides of the inner cavity 12 of the branch pipe 7 at equal intervals, when the diameter of the shell 5 is larger, the external thread grooves 2 arranged at the right end of the supporting rod 3 at equal intervals are in threaded connection with the internal thread grooves 11 arranged at the left end of the inner cavity 12 of the branch pipe 7 at equal intervals, after the size of the branch pipe 7 is adjusted, at this time, the positioning block 16 is extended into the through holes 18 formed in the front end of one side and the rear end of the other side of the housing 5 respectively by the branch pipe 7, the fixture blocks 19 formed in the front ends of both sides of the positioning block 16 are connected with the fixture grooves 13 formed in the rear ends of both sides of the through holes 18, the positioning block 16 is structurally fixed inside the through holes 18, and at this time, counterclockwise force is applied to the branch pipe 7, so that the branch pipe 7 is separated from the positioning block 16, and the sealing treatment of the through holes 18 is performed by the sealing plate 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. A mechanical locking mechanism with auxiliary sealing function for a valve comprises a positioning block (16), and is characterized in that: locating piece (16) are extended into casing (5) inside front and back end by opening (18), and opening (18) set up respectively in casing (5) one side front end middle part and another side rear end middle part, locating piece (16) outer end middle part has branch pipe (7) through screw (17) threaded connection, and branch pipe (7) outer end threaded connection has branch pipe (3), branch pipe (7) are through interior thread groove (11) that inside cavity (12) both ends equidistance set up and branch pipe (3) outside both ends set up thread groove (2) threaded connection.

2. The mechanical locking mechanism with auxiliary sealing function for the valve according to claim 1, wherein: the outside of the through hole (18) is connected with a sealing plate (15) in a sleeved mode, the middle of the upper end and the lower end of the front surface of the sealing plate (15) is connected with a positioning column (14) in a penetrating mode, and the positioning column (14) is connected with the outer surface of the shell (5) in a sleeved mode.

3. The mechanical locking mechanism with auxiliary sealing function for the valve according to claim 1, wherein: the shell (5) is arranged at the central position of the inner side of the branch pipe (7), and the middle end in the shell (5) is rotatably connected with the valve body (6).

4. The mechanical locking mechanism with auxiliary sealing function for the valve according to claim 1, wherein: the front ends of two sides of the positioning block (16) are fixedly connected with clamping blocks (19), and the clamping blocks (19) are connected with clamping grooves (13) arranged at the rear ends of the two sides in the through holes (18) in a clamping mode.

5. The mechanical locking mechanism with auxiliary sealing function for the valve according to claim 1, wherein: branch (3) extend into branch (7) inside by exit (9) that branch (7) both ends middle part set up, and branch (3) outer end middle part is through horizontal pole (4) fixedly connected with rotation handle (1).

6. The mechanical locking mechanism with auxiliary sealing function for the valve according to claim 1, wherein: a limiting groove (10) is formed in the center of the front surface of the branch pipe (7), and limiting frames (8) are fixedly connected to the middle portions of the two ends in the limiting groove (10).

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