CN213039834U

CN213039834U - Double-connecting-rod manual closed valve

Info

Publication number: CN213039834U
Application number: CN202021263889.XU
Authority: CN
Inventors: 钟冠杰; 黄宜晓
Original assignee: Yulin Guantao Protection Equipment Co ltd
Current assignee: Yulin Guantao Protection Equipment Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-23
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a skin test equipment technical field, and a manual airtight valve of two connecting rods is disclosed, including valve body and valve gap, the valve gap sets up the inside downside department at the valve body, through drive mechanism fixed connection between valve body and the valve gap, drive mechanism includes the main shaft, rotate seat and fixed arm, both ends are controlled with the inside of valve body respectively about the main shaft both ends rotate and are connected, the both ends of rotating the seat respectively with valve gap and main shaft fixed connection, the both ends of fixed arm respectively with the valve body with rotate a swing joint, the axle wall of main shaft runs through the lateral wall of fixed arm, the axle wall of main shaft is located the left and right sides department symmetry fixed cover of fixed arm and is equipped with the rocking arm, two rocking arms all with rotate a fixed connection, the vertical fixed setting of fixed arm is in the. The utility model discloses not only the required power of exerting when opening or closing the valve is less, and the staff of being convenient for uses, can prevent moreover that it from opening by oneself after the valve is closed.

Description

Double-connecting-rod manual closed valve

Technical Field

The utility model relates to a skin test equipment technical field especially relates to a manual airtight valve of two connecting rods.

Background

The closed valve is an important device for controlling the direction of air flow in a basement ventilation pipeline, and on a pipeline needing to properly adjust the air quantity, the double-connecting-rod manual closed valve is adopted, so that the air quantity can be properly adjusted besides the opening and closing functions, and the closed valve is an important device in civil air defense engineering.

The existing double-connecting-rod manual sealing valve usually needs to be opened or closed by applying a large force when in use, and the valve cover is easy to open by self under the pressure after the valve is closed, so the double-connecting-rod manual sealing valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the valve cover is easily opened by oneself by pressure after closing the valve, and providing a double-connecting-rod manual closed valve which is often required to apply larger force to open or close the valve when in use in the prior art.

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

a double-connecting-rod manual closed valve comprises a valve body and a valve cover, wherein the valve cover is arranged at the lower side of the inside of the valve body, the valve body and the valve cover are fixedly connected through a transmission mechanism, the transmission mechanism comprises a main shaft, a rotating seat and a fixed arm, the left end and the right end of the main shaft are fixedly connected with the left end and the right end of the inside of the valve body respectively, the two ends of the rotating seat are fixedly connected with the valve cover and the main shaft respectively, the two ends of the fixed arm are movably connected with the valve body and the rotating seat respectively, the shaft wall of the main shaft penetrates through the side wall of the fixed arm, the shaft wall of the main shaft is symmetrically and fixedly sleeved with rotating arms at the left side and the right side of the fixed arm, the two rotating arms are fixedly connected with the rotating seat, the fixed arm is longitudinally and fixedly arranged at the rear side of the inside of the valve body, one end, the inner part of the movable sleeve is connected with a movable rod in a sliding mode, the upper end of the movable rod extends to the outer part of the movable sleeve and is fixedly connected with a handle, and a locking mechanism is fixedly arranged between the rod wall of the movable rod and the inner cylinder wall of the movable sleeve.

Preferably, the locking mechanism comprises two clamping blocks, a first spring, two fixing rods, two limiting blocks, two push rods and two sliding blocks, wherein the inner cylinder walls on the left side and the right side of the movable sleeve are symmetrically and vertically provided with strip-shaped grooves, the upper end of the left rod wall of the movable rod is horizontally provided with a first through hole, the two clamping blocks are respectively connected with the hole walls on the left side and the right side of the first through hole in a sliding manner, the opposite ends of the two clamping blocks extend to the outside of the first through hole, the front side walls of the two clamping blocks are symmetrically provided with strip-shaped holes, the two fixing rods are respectively and longitudinally arranged at the opposite sides of the insides of the two strip-shaped holes, the front ends and the rear ends of the two fixing rods extend to the outside of the strip-shaped holes and are fixedly connected with the hole walls of the first through holes, the upper ends of the bottoms of the two strip-shaped grooves are symmetrically and horizontally, and the one end that deviates from mutually of two push rods all extends to the telescopic outside of activity, the stopper cup joints with the pole wall of two push rods is fixed, and the pore wall of two second through-holes all seted up with two stopper matched with spouts, the both ends of first spring respectively with the relative one end fixed connection of fixture block, two the inclined plane is all seted up to one side that the lower extreme of fixture block deviates from, two the slider respectively with the downside cell wall sliding connection in two bar grooves, and the relative one end of two sliders respectively with the left and right sides pole wall lower extreme fixed connection of movable rod.

Preferably, the fixed block is movably sleeved on the shaft wall of the main shaft, which is located outside the valve body, the right end of the fixed block is fixedly connected with the valve body, a threaded hole is horizontally formed in the lower end of the left side cylinder wall of the movable sleeve, a screw rod is connected to the inner thread of the threaded hole, the left end and the right end of the screw rod both extend to the outside of the threaded hole, and a clamping groove matched with the right end of the screw rod is formed in the left side wall of the fixed block.

Preferably, a second spring is fixedly connected between the lower inner cylinder wall of the movable sleeve and the lower end of the movable rod.

Preferably, the two push rods are fixedly connected with push blocks at the ends deviating from each other.

Preferably, the left end of the screw rod is fixedly connected with an anti-skid wheel.

Compared with the prior art, the utility model provides a manual airtight valve of two connecting rods possesses following beneficial effect:

1. the double-connecting-rod manual closed valve has the advantages that the force required to be applied when the valve is opened or closed is small through the locking mechanism, the movable rod and the movable sleeve, and the double-connecting-rod manual closed valve is convenient for workers to use.

2. This manual airtight valve of two connecting rods, through the lead screw and the antiskid wheel that are equipped with, can prevent that it from opening by oneself after the valve is closed.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only the required power of exerting when opening or closing the valve is less, and the staff of being convenient for uses, can prevent moreover that it from opening by oneself after the valve is closed.

Drawings

Fig. 1 is a schematic structural view of a double-link manual sealing valve provided by the present invention;

fig. 2 is a schematic top view of a double-link manual sealing valve according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the valve comprises a main shaft 1, a valve body 2, a rotating seat 3, a rotating arm 4, a fixed block 5, a handle 6, a movable sleeve 7, a sliding block 8, a second spring 9, a first spring 10, a lead screw 11, a valve cover 12, a fixed arm 13, a double-connecting rod 14, a limiting block 15, a fixed rod 16, a push rod 17, a clamping block 18 and a movable rod 19.

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.

Referring to fig. 1-3, a double-link manual sealing valve comprises a valve body 2 and a valve cover 12, the valve cover 12 is arranged at the lower side of the inside of the valve body 2, the valve body 2 and the valve cover 12 are fixedly connected through a transmission mechanism, the transmission mechanism comprises a main shaft 1, a rotating seat 3 and a fixing arm 13, the left and right ends of the main shaft 1 are respectively rotatably connected with the left and right ends of the inside of the valve body 2, the two ends of the rotating seat 3 are respectively fixedly connected with the valve cover 12 and the main shaft 1, the two ends of the fixing arm 13 are respectively movably connected with the valve body 2 and the rotating seat 3, the shaft wall of the main shaft 1 penetrates through the side wall of the fixing arm 13, the shaft wall of the main shaft 1 is symmetrically and fixedly sleeved with the rotating arms 4 at the left and right sides of the fixing arm 13, the two rotating arms 4 are both fixedly connected with the rotating seat 3, the, the left end of the main shaft penetrates through the inner wall of the valve body 2 and extends to the outside to be fixedly connected with a movable sleeve 7, the inside of the movable sleeve 7 is connected with a movable rod 19 in a sliding manner, the upper end of the movable rod 19 extends to the outside of the movable sleeve 7 and is fixedly connected with a handle 6, a locking mechanism is fixedly arranged between the rod wall of the movable rod 19 and the inner cylinder wall of the movable sleeve 7 and comprises two clamping blocks 18, a first spring 10, two fixed rods 16, two limiting blocks 15, two push rods 17 and two sliding blocks 8, strip-shaped grooves are symmetrically and vertically formed in the inner cylinder walls on the left side and the right side of the movable sleeve 7, a first through hole is horizontally formed in the upper end of the rod wall on the left side of the movable rod 19, the two clamping blocks 18 are respectively connected with the hole walls on the left side and the right side of the first through hole in a sliding manner, the ends, two fixed rods 16 are respectively and longitudinally arranged at one side of the inner parts of the two strip-shaped holes which are opposite to each other, the front and back ends of the two fixed rods 16 extend to the outer parts of the strip-shaped holes and are fixedly connected with the hole walls of the first through holes, the upper ends of the groove bottoms of the two strip-shaped grooves are symmetrically and horizontally provided with second through holes, the rod walls of the two push rods 17 are respectively and slidably connected with the hole walls of the two second through holes, the opposite ends of the two push rods 17 extend to the outer parts of the movable sleeve 7, the limiting blocks 15 are fixedly sleeved with the rod walls of the two push rods 17, the hole walls of the two second through holes are respectively provided with sliding grooves matched with the two limiting blocks 15, the two ends of a first spring 10 are respectively and fixedly connected with the opposite ends of the clamping blocks 18, the sides of the lower ends of the two clamping blocks 18, which are opposite to each other, the two sliders 8 are respectively and slidably connected with the lower ends of the rod walls at the, fixed block 5 has been cup jointed in the activity on the shaft wall of being located the valve body 2 outside of main shaft 1, the right-hand member and the valve body 2 fixed connection of fixed block 5, threaded hole has been seted up to the left side section of thick bamboo wall lower extreme level of movable sleeve 7, the internal thread connection of threaded hole has lead screw 11, both ends all extend to the outside of threaded hole about lead screw 11, the draw-in groove with the right-hand member matched with of lead screw 11 has been seted up to the left side wall of fixed block 5, common fixedly connected with second spring 9 between the lower extreme of the lower side inner tube wall of movable sleeve 7 and movable rod 19, the equal fixedly connected with ejector pad of one end that deviates from mutually of two push.

The utility model discloses in, during the use, inwards promote two ejector pads simultaneously, two ejector pads drive two push rod 17 relative movement, two push rod 17 with the ejecting bar inslot portion of two fixture blocks 18, the upper end of second spring 9 is released movable sleeve 7 with movable rod 19 this moment in, slider 8 can prevent that movable rod 19 from breaking away from with movable sleeve 7, has extended movable sleeve 7's length this moment, and according to lever principle, the required power of applying of staff is littleer, and after the valve was closed, it makes lead screw 11's right-hand member card go into the draw-in groove to rotate the antiskid wheel, the utility model discloses not only the required power of applying when opening or closing the valve is less, and the staff of being convenient for uses, can prevent its self-opening after the valve is closed moreover.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a manual airtight valve of two connecting rods, includes valve body (2) and valve gap (12), its characterized in that, valve gap (12) set up the inside downside department at valve body (2), through drive mechanism fixed connection between valve body (2) and valve gap (12), drive mechanism includes main shaft (1), rotates seat (3) and fixed arm (13), both ends rotate with the inside of valve body (2) respectively about main shaft (1) both ends, the both ends of rotating seat (3) respectively with valve gap (12) and main shaft (1) fixed connection, the both ends of fixed arm (13) respectively with valve body (2) and rotation seat (3) swing joint, the axial wall of main shaft (1) runs through the lateral wall of fixed arm (13), the axial wall of main shaft (1) is located the symmetrical fixed cover in the left and right sides department of fixed arm (13) and is equipped with rocking arm (4), two rocking arm (4) all with rotate seat (3) fixed connection, fixed arm (13) vertically fixed the setting in the inside rear side of valve body (2), the one end and the two connecting rod (14) of fixed arm (13) are articulated mutually, the left end of main shaft runs through the inner wall of valve body (2) and extends to outside fixedly connected with movable sleeve (7), the inside sliding connection of movable sleeve (7) has movable rod (19), the upper end of movable rod (19) extends to the outside and the fixedly connected with handle (6) of movable sleeve (7), it is fixed between the inner tube wall of rod wall and movable sleeve (7) of movable rod (19) to be equipped with locking mechanical system.

2. The double-link manual sealing valve according to claim 1, wherein the locking mechanism comprises two clamping blocks (18), a first spring (10), two fixing rods (16), two limiting blocks (15), two push rods (17) and two sliding blocks (8), the inner cylinder walls of the left and right sides of the movable sleeve (7) are symmetrically and vertically provided with strip grooves, the upper end of the rod wall of the left side of the movable rod (19) is horizontally provided with a first through hole, the two clamping blocks (18) are respectively connected with the hole walls of the left and right sides of the first through hole in a sliding manner, the ends of the two clamping blocks (18) which are far away from each other extend to the outside of the first through hole, the front side walls of the two clamping blocks (18) are symmetrically provided with strip holes, the two fixing rods (16) are respectively and longitudinally arranged at the opposite sides of the insides of the two strip holes, and the front and rear ends of the two fixing rods (16) extend to the outside of the strip holes and are fixedly connected with the hole walls of, the upper ends of the bottoms of the two strip-shaped grooves are symmetrically and horizontally provided with second through holes, the rod walls of the two push rods (17) are respectively connected with the hole walls of the two second through holes in a sliding way, and the ends of the two push rods (17) which are deviated from each other extend to the outside of the movable sleeve (7), the limit block (15) is fixedly sleeved with the rod walls of the two push rods (17), and the hole walls of the two second through holes are both provided with sliding chutes matched with the two limit blocks (15), two ends of the first spring (10) are respectively fixedly connected with the opposite ends of the clamping blocks (18), inclined planes are respectively arranged on the sides of the lower ends of the two clamping blocks (18) which are deviated from each other, the two sliding blocks (8) are respectively connected with the lower side groove walls of the two strip-shaped grooves in a sliding manner, and the opposite ends of the two sliding blocks (8) are respectively and fixedly connected with the lower ends of the left and right side rod walls of the movable rod (19).

3. The double-connecting-rod manual sealing valve is characterized in that a fixed block (5) is movably sleeved on a shaft wall of the main shaft (1) located outside the valve body (2), the right end of the fixed block (5) is fixedly connected with the valve body (2), a threaded hole is horizontally formed in the lower end of the left side cylinder wall of the movable sleeve (7), a lead screw (11) is connected to the inner thread of the threaded hole, the left end and the right end of the lead screw (11) both extend to the outside of the threaded hole, and a clamping groove matched with the right end of the lead screw (11) is formed in the left side wall of the fixed block (5).

4. A double-connecting-rod manual sealing valve as claimed in claim 1, characterized in that a second spring (9) is fixedly connected between the lower inner cylinder wall of the movable sleeve (7) and the lower end of the movable rod (19).

5. A double-link manual sealing valve according to claim 2, wherein the ends of the two push rods (17) which are away from each other are fixedly connected with push blocks.

6. A double-link manual sealing valve according to claim 3, characterized in that the left end of the screw rod (11) is fixedly connected with an anti-skid wheel.