Manual gate valve

Abstract

The utility model relates to the technical field of gate valves, and discloses a manual gate valve which comprises a cuboid valve body, one side of the valve body is provided with a first opening vertically penetrating through the valve body, the valve body is further internally provided with a valve plate cavity perpendicular to the valve body, one side of the valve plate cavity penetrates through the side face of the valve body, and the other side of the valve plate cavity is provided with a second opening vertically penetrating through the valve body. A baffle is connected into the valve plate cavity in a sliding mode, a second opening penetrating through the baffle is formed in the baffle, and the area of the second opening is slightly larger than that of the first opening. The material circulation device has the advantages of being convenient and fast to operate, smooth in material circulation, capable of effectively preventing materials from blocking a channel and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to plug valve related device technical field, especially hand -operated plug valve. BACKGROUND

[0002] Plug valve, also known as hand-operated knife type gate valve. Knife gate valve is a kind of gate valve that gate and valve seat are always in close contact seal, its principle is that a circular port of the size of the diameter is opened on the gate, and the circular port on the gate is completely separated and matched with the diameter by the opening and closing of the gate.

[0003] The Chinese patent with the authorization announcement number CN208535198U discloses a kind of hand-operated plug valve, including valve body, flange is set on the upper and lower end of the valve body, rectangular plug cavity is set in middle position, one side of the plug cavity is open structure, plug is set in plug cavity, and plug can reciprocate linear motion in plug cavity;Plug cavity opening side is provided with material collection cavity, the material collection cavity is hermetically connected with the outer wall of valve body, and the through hole is opened in the valve wall below plug in cavity;Plug end extends material collection cavity, but the gap of plug and plug cavity contacted by plug in the above-mentioned device when doing linear motion, material attached on plug can possibly block, not necessarily fall into material collection cavity, can cause the smooth sliding of baffle, affect work. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of hand-operated plug valve, with the effect of preventing material blockage to affect the sliding of baffle, avoid material loss.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: including valve body, the valve body is cuboid, the valve body one side is provided with the open one of vertical through valve body, the valve body is also provided with the valve plate cavity perpendicular to valve body, the valve plate cavity one side is through valve body side surface, the valve plate cavity is slidably connected with baffle, the baffle is provided with the open two of through baffle, the area of open two is slightly larger than the area of open one.

[0006] The utility model further is provided as follows: the baffle one side end edge is connected with sliding block, the sliding block is slidably connected on screw rod and slide bar, the screw rod is through rotationally connected in U type rod, the screw rod one end outside U type rod is fixed with hand wheel.

[0007] The utility model further is provided as follows: the intersection of valve plate cavity and open one above close to hand wheel is hinged with push plate one by torsion spring, the torsion spring drives push plate one close to hand wheel, the bottom of push plate one is provided with long strip brush, the brush is abutted on baffle upper end face.

[0008] The utility model discloses further provide: far away hand wheel is located in the valve body one side edge of opening upwards concave setting has the sliding slot, the sliding slot is located valve plate cavity above, the sliding slot sliding connection has push -back two in it, push -back two is right triangle, and its bevel is the convex arc plate of towards valve plate cavity, the arc plate bottom is provided with strip brush, push -back two top is connected with spring, spring other end is fixed in the sliding slot top, spring drive push -back two close to baffle.

[0009] The utility model discloses further provide: with push -back one and push -back two vertical the baffle other side setting has the convex baffle piece no. 1, baffle piece no. 1 is right trapezoid, the valve plate cavity of baffle top and opening no. 1 intersection department setting has baffle piece no. 2, baffle piece no. 2 is right triangle, baffle piece no. 1 bevel and baffle piece no. 2 bevel fit -together cooperation.

[0010] The utility model discloses further provide: setting has the scale line on the sliding rod.

[0011] The utility model discloses beneficial effect is:

[0012] 1, when the plug valve needs to use for conveying material, rotates hand wheel, screw rod rotates, baffle sliding close to hand wheel, baffle slides in the sliding plate cavity, the baffle that originally located in opening no. 1 place because of the plugging opening no. 1, so its upper end face will have residual material, along with baffle sliding towards hand wheel, push -back one bottom's brush abuts on baffle upper end face and carries out the action of brushing and cleaning, effectively the material on baffle is retained in opening no. 1 and falls, avoid material when baffle sliding enters valve plate cavity, blocks valve plate cavity, influence whole plug valve's work, along with baffle's opening no. 2 and valve body's opening no. 1 intercommunication, valve body opens completely, can carry out the intercommunication conveying of material.

[0013] 2, when material conveying is completed, rotates hand wheel, screw rod reverses, baffle far from hand wheel, opening no. 2 needs to slide to the valve body cavity of opposite hand wheel completely and needs to slide to the valve plate cavity in the baffle end part close to hand wheel portion, can realize the plugging of opening no. 1, namely plug valve closes, when baffle end part close to hand wheel slides into valve plate cavity, its push -back two slide up and jack up, at this moment spring is compressed, push -back two bottom's brush is tightly abutted on baffle upper end face, and the material on baffle upper end face is blocked outside valve plate cavity, avoid entering valve plate cavity, further guarantee baffle's left and right movement will not bring material into any one valve plate cavity, further guarantee baffle's smooth sliding, avoid material loss simultaneously, improve the service life of the plug valve.

[0014] 3, the setting of scale line on the sliding rod can control the movement distance of the baffle.

[0015] 4, baffle piece no. 1 and baffle piece no. 2 cooperate, further avoid material entering valve plate cavity. ACCOMPANYING DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 is a structural schematic diagram of the present application.

[0018] Figure 2 is Figure 1 a cross-sectional structural schematic diagram.

[0019] Figure 3 is Figure 1 a cross-sectional structural schematic diagram of the other side.

[0020] In the figure, 1, valve body; 2, opening one; 3, valve plate cavity; 4, baffle; 5, opening two; 6, sliding block; 7, screw rod; 8, sliding rod; 9, U-shaped rod; 10, hand wheel; 11, push plate one; 12, brush; 13, sliding groove; 14, push plate two; 15, stop block one; 16, stop block two. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Embodiment, a kind of manual plug valve, such as Figures 1-3As shown, including the valve body 1, the valve body 1 is a cuboid, the valve body 1 is provided with an opening one 2 vertically through the valve body 1, the valve body 1 is also provided with a valve plate cavity 3 perpendicular to the valve body 1, the valve plate cavity 3 is through the side of the valve body 1, the valve plate cavity 3 is slidably connected with the baffle 4, the baffle 4 is provided with an opening two 5 through the baffle 4, the area of the opening two 5 is slightly larger than the area of the opening one 2, the baffle 4 is connected with the sliding block 6 on one side edge, the sliding block 6 is slidably connected on the lead screw 7 and the slide rod 8, the lead screw 7 is rotatably connected in the U-shaped rod 9, the lead screw 7 is fixed with the hand wheel 10 on one end outside the U-shaped rod 9, the intersection of the valve plate cavity 3 and the opening one 2 above near the hand wheel 10 is hingedly connected with the push plate one 11 through the torsion spring, the torsion spring drives the push plate one 11 to be close to the hand wheel 10, the bottom of the push plate one 11 is provided with the long strip brush 12, the brush 12 abuts on the upper end face of the baffle 4, the valve body 1 is upwardly recessed in the slide groove 13 on the side of the opening one 2 away from the hand wheel 10, the slide groove 13 is above the valve plate cavity 3, the slide groove 13 is slidably connected with the push plate two 14, the push plate two 14 is a right triangle, and the hypotenuse thereof is an outward convex arc plate towards the valve plate cavity 3, the bottom of the arc plate is provided with the long strip brush 12, the top of the push plate two 14 is connected with the spring, the other end of the spring is fixed on the top of the slide groove 13, the spring drives the push plate two 14 to be close to the baffle 4, when the plug valve needs to be used for conveying materials, the hand wheel 10 is rotated, the lead screw 7 is rotated, the baffle 4 is slid close to the hand wheel 10, the baffle 4 is slid in the slide plate cavity, the baffle 4 originally located at the opening one 2 will have materials remaining on the upper end face thereof due to the blocking of the opening one 2, with the baffle 4 sliding towards the hand wheel 10, the brush 12 at the bottom of the push plate one 11 abuts on the upper end face of the baffle 4 to perform the brushing and cleaning action, effectively retaining the materials on the baffle 4 to fall in the opening one 2, avoiding the materials entering the valve plate cavity 3 when the baffle 4 is sliding, blocking the valve plate cavity 3, affecting the work of the whole plug valve, with the opening two 5 of the baffle 4 being communicated with the opening one 2 of the valve body 1, the valve body 1 is completely opened, the communication and conveying of the materials can be performed, when the conveying of the materials is completed, the hand wheel 10 is reversed, the lead screw 7 is reversed, the baffle 4 is away from the hand wheel 10, the opening two 5 needs to be completely slid into the cavity of the valve body 1 opposite to the hand wheel 10 and the end part of the baffle 4 close to the hand wheel 10 needs to be slid into the valve plate cavity 3 on this side, so as to realize the blocking of the opening one 2, i.e. the closing of the plug valve, when the end part of the baffle 4 close to the hand wheel 10 is slid into the valve plate cavity 3, the push plate two 14 is pushed to slide upwards, at this time, the spring is compressed, the brush 12 at the bottom of the push plate two 14 is tightly abutted on the upper end face of the baffle 4, retaining the materials on the upper end face of the baffle 4 outside the valve plate cavity 3, avoiding entering the valve plate cavity 3, further ensuring that the left and right movements of the baffle 4 will not bring the materials into any one valve plate cavity 3, further ensuring the smooth sliding of the baffle 4, avoiding the loss of materials, improving the service life of the plug valve.

[0023] AsFigures 1-3 As shown, the other pair of side edges of the baffle plate 4 perpendicular to the push plate one 11 and the push plate two 14 are provided with protruding stopper one 15, which is a right-angled trapezoid, and the stopper two 16 provided at the intersection of the valve plate cavity 3 above the baffle plate 4 and the opening one 2, which is a right-angled triangle, the hypotenuse of the stopper one 15 and the hypotenuse of the stopper two 16 are fitted together, the stopper one 15 and the stopper two 16 cooperate to further prevent material from entering the valve plate cavity 3.

[0024] As shown, the slide rod 8 is provided with a scale line, which can control the movement distance of the baffle plate 4. Figures 1-3

[0025] The working principle of a manual plug valve:

[0026] When the plug valve needs to be used to transport material, rotate the hand wheel 10, the screw rod 7 rotates, the baffle plate 4 slides close to the hand wheel 10, the baffle plate 4 slides in the slide plate cavity, the baffle plate 4 originally located at the opening one 2 will have residual material on its upper end face, as the baffle plate 4 slides towards the hand wheel 10, the brush 12 at the bottom of the push plate one 11 abuts on the upper end face of the baffle plate 4 to perform a sweeping and cleaning action, effectively retaining the material on the baffle plate 4 at the opening one 2 to fall down, avoiding the material entering the valve plate cavity 3 when the baffle plate 4 slides, blocking the valve plate cavity 3, affecting the work of the entire plug valve, as the opening two 5 on the baffle plate 4 communicates with the opening one 2 of the valve body 1, the valve body 1 is completely opened, and the material can be communicated and transported.

[0027] When the material transportation is completed, rotate the hand wheel 10 in the opposite direction, the screw rod 7 reverses, the baffle plate 4 moves away from the hand wheel 10, the opening two 5 needs to be completely slid into the valve body 1 cavity opposite to the hand wheel 10 and the end part of the baffle plate 4 close to the hand wheel 10 needs to be slid into the valve plate cavity 3 on that side, so as to achieve the sealing of the opening one 2, i.e. the closing of the plug valve, when the end part of the baffle plate 4 close to the hand wheel 10 slides into the valve plate cavity 3, it pushes the push plate two 14 to slide upwards, at this time the spring is compressed, the brush 12 at the bottom of the push plate two 14 tightly abuts on the upper end face of the baffle plate 4, retaining the material on the upper end face of the baffle plate 4 outside the valve plate cavity 3, avoiding entering the valve plate cavity 3, further ensuring that the left and right movements of the baffle plate 4 will not bring material into any one side of the valve plate cavity 3, further ensuring the smooth sliding of the baffle plate 4, while avoiding material loss and improving the service life of the plug valve.​

Claims

1. A manual gate valve characterized by: The utility model provides a valve body (1), the valve body (1) is cuboid type, the valve body (1) one side is provided with the opening one (2) of vertical through the valve body (1), the valve body (1) still is provided with the valve plate cavity (3) perpendicular with the valve body (1), the valve plate cavity (3) one side through the valve body (1) side, the valve plate cavity (3) in sliding connection has the baffle (4), the baffle (4) is provided with the opening two (5) of through the baffle (4), the area of opening two (5) is slightly larger than the area of opening one (2).

2. A manual gate valve according to claim 1, wherein: The baffle (4) one side end edge is connected with the sliding block (6), the sliding block (6) is connected on the lead screw (7) and slide rod (8) in sliding, the lead screw (7) is connected in the U type rod (9) through rotation, the lead screw (7) one end fixed with hand wheel (10) in the U type rod (9) outside.

3. A manual gate valve according to claim 2, wherein: The intersection of valve plate cavity (3) and opening one (2) above near hand wheel (10) is hinged with push plate one (11) by torsion spring, the torsion spring drives push plate one (11) to be close to hand wheel (10), the bottom of push plate one (11) is provided with long strip brush (12), and the long strip brush (12) is abutted on the upper end surface of baffle (4).

4. A manual gate valve according to claim 3, wherein: The valve body (1) is provided with the sliding slot (13) in the recess upwards in the opening one (2) side edge away from hand wheel (10), the sliding slot (13) is located above valve plate cavity (3), the sliding slot (13) is connected with push plate two (14) in sliding, the push plate two (14) is right triangle, and its hypotenuse is the arc plate of outward convex towards valve plate cavity (3), the bottom of arc plate is provided with long strip brush (12), the top of push plate two (14) is connected with spring, and the other end of spring is fixed to the top of sliding slot (13), and the spring drives push plate two (14) to be close to abutted on the upper end surface of baffle (4).

5. A manual gate valve according to claim 4, wherein: The baffle (4) is provided with the protruding baffle block one (15) on the other opposite side perpendicular with push plate one (11) and push plate two (14), the baffle block one (15) is right trapezoid, the baffle block two (16) is provided with in the intersection of valve plate cavity (3) and opening one (2) above the baffle (4), the baffle block two (16) is right triangle, and the hypotenuse of baffle block one (15) and baffle block two (16) is matched.

6. A manual gate valve according to claim 5, wherein: The slide rod (8) is provided with scale line.

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