Valve with anti-blocking structure

Abstract

The utility model relates to the technical field of valves, and discloses a valve with an anti-blocking structure, which comprises a valve body, two ends of the valve body are respectively and fixedly connected with a water inlet pipeline and a water outlet pipeline, a valve core is arranged in the valve body, two sides of the valve core are provided with channels, and the channels enable an inner spherical space of the valve core to be communicated with the pipelines on two sides. A scraping ring attached to the spherical inner wall of the valve element is arranged in the valve element, the bottom end of the scraping ring is fixedly connected with a main rod, the main rod continuously penetrates through the bottom end of the valve element and the bottom end of the valve body and is fixedly connected with a fixed end, and the joint of the main rod and the valve body is sealed. When the valve is opened and closed, the scraping ring keeps static relative to the position of the valve body, rotates relative to the valve element and scrapes away impurities accumulated on the inner wall of the valve element, and when the valve is opened, a medium flowing in the valve flushes away the scraped impurities, so that the purposes of removing the impurities and preventing blockage are achieved, the blockage removing frequency is reduced, the maintenance cost is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field more particularly to a valve with prevent blocking structure. BACKGROUND

[0002] Valve is the control part in fluid conveying system, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief, and the medium containing solid particles (such as mineral slurry, silt in sewage), fiber (such as paper pulp, hair in sewage) or easily crystalline substance (such as salt solution) is easy to stay and accumulate in the flow channel dead angle, sealing surface or valve cavity when flowing through the valve, thus a valve with prevent blocking structure is proposed to prevent impurities, particles or viscous substances in medium from accumulating and blocking.

[0003] The prior art has the following disadvantages: the valve lacks self-cleaning function, and sediment accumulates after long-term operation, which increases the maintenance cost of the valve and reduces the service life of the valve. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a valve with prevent blocking structure to solve the problems in the above background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a valve with prevent blocking structure, comprising a valve body, the two ends of the valve body are fixedly connected with a water inlet pipe and a water outlet pipe, the inside of the valve body is provided with a valve core, the two sides of the valve core are provided with channels, the channels communicate the spherical space inside the valve core with the two pipes, the inside of the valve core is provided with a scraper ring fitted to the spherical inner wall thereof, the bottom end of the scraper ring is fixedly connected with a main rod, the main rod continuously penetrates the bottom end of the valve core and the bottom end of the valve body, and is fixedly connected with a fixed end, wherein the connection between the main rod and the valve body is sealed, and in addition, a bearing and a locking assembly are sequentially arranged on the outer side of the main rod from top to bottom, the bearing is arranged at the connection between the valve core and the main rod, and the connection is sealed, and the locking assembly is arranged at the bottom end of the valve body.

[0006] Further, the top end of the valve core is fixedly connected with a valve seat, the inside of the valve seat is fixedly connected with a sealing packing through a screw, the top end of the sealing packing is fixedly connected with a valve rod, wherein a sliding groove is formed in the side surface of the valve rod, a guide pin is movably connected in the inside of the sliding groove, the top end of the valve rod is fixedly connected with an elongated rod, and the top end of the elongated rod is fixedly connected with a hand wheel.

[0007] Further, the two ends of the guide pin are fixedly connected with valve covers, a connecting port is formed in the top end of the valve cover, the inner wall of the connecting port is movably connected with the side surface of the elongated rod, the connection is sealed, the bottom end of the valve cover is fixedly connected with the top end of the valve body, and the interiors of the two are communicated.

[0008] Further, the bearing comprises an inner ring, an outer ring and steel balls, wherein the inner ring is fixedly connected with the side surface of the main rod, the outer ring is fixedly connected with the inner wall of the connecting port opened at the bottom end of the valve core, and the inner ring and the outer ring jointly constitute the movement track of the steel balls.

[0009] Further, the side surface of the main rod is provided with an annular array of ratchet teeth, the main rod is movably connected with a clamping piece through the ratchet teeth, one end of the clamping piece is movably connected in the inner part of the shell, and a slide is opened in the inner part of the shell, wherein the slide is opened along the movement track of the rotation of the clamping piece through the connecting piece.

[0010] Further, the end of the clamping piece away from the connecting piece is movably connected with an elastic assembly, the elastic assembly comprises a short rod and a pressing head, one end of the short rod is movably connected with one end of the clamping piece, and the other end of the short rod is fixedly connected with one end of the pressing head through the shell, wherein an empty groove is opened in the inner part of the shell wall, a spring and a baffle are arranged in the inner part of the empty groove, the spring is sleeved on the side surface of the short rod, and the baffle is fixedly connected on the side surface of the short rod.

[0011] Technical effects and advantages of the present application:

[0012] 1. The utility model discloses a scraping ring is equipped with, and the scraping ring is attached the spherical inner wall of valve core, and the position of scraping ring and valve body keeps relative still when the valve is opened and closed, and relative rotation happens with valve core, and the impurity that the valve core inner wall accumulates is scraped, and the impurity that is scraped down is washed away by the medium flowing in the inside when the valve is opened, reaches the purpose of removing the impurity and preventing the block, is favorable to reduce the frequency of clearing and blocking, reduces the maintenance cost, improves the service life.

[0013] 2. The utility model discloses a main rod is equipped with at the bottom end of scraping ring, and the fixed end is fixedly connected with the bottom end of main rod, rotates the fixed end, and the staff can manually clean the inside of valve body, and the inside of valve body is cleaned, is applicable to the situation that cannot reach cleaning by the rotation of valve core itself when the block is serious, and is favorable to improve the adaptability of anti -block structure.

[0014] 3. The utility model discloses a clamping piece, so that the scraping ring has the effect of locking, prevents the synchronous rotation of scraping ring and valve core due to the friction, and loses the effect of clearing and blocking, and is favorable to further improve the adaptability of anti -block structure. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the inside of valve body of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the anti -block mechanism of the utility model;

[0018] Figure 4 It is the structure schematic view of main rod and bearing of the utility model;

[0019] Figure 5 It is the section top view of locking assembly of the utility model;

[0020] Figure 6 It is the enlarged schematic view of A structure of the utility model.

[0021] The figure mark is: 1, valve body;2, valve core;201, valve seat;202, sealing packing;203, valve rod;204, sliding groove;205, guide pin;206, long rod;207, hand wheel;208, valve cover;3, scraping ring;301, main rod;302, fixed end;303, bearing;3031, steel ball;304, locking assembly;3041, ratchet tooth;3042, clamping piece;3043, shell;3044, slide;305, elastic assembly;3051, short rod;3052, pressing head;3053, empty slot;3054, spring;3055, baffle. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the valve door with the anti-blocking structure involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the person skilled in the art without making creative labor belongs to the protection range of the utility model.

[0023] Referring to Figures 1 to 5 The utility model provides a valve door with anti -blocking structure, including valve body 1, the both ends of valve body 1 are fixedly connected with water inlet pipeline and water outlet pipeline, the inside of valve body 1 is provided with valve core 2, and the both sides of valve core 2 are provided with passageway, and the passageway is communicated with the inside spherical space of valve core 2 and both sides pipeline, and the inside of valve core 2 is provided with scraping ring 3 that sticks to its spherical inner wall, the bottom end of scraping ring 3 is fixedly connected with main rod 301, and main rod 301 continuously penetrates the bottom end of valve core 2 and the bottom end of valve body 1, and is fixedly connected with fixed end 302, wherein the connection of main rod 301 and valve body 1 is sealed, and in addition, the outside of main rod 301 is sequentially provided with bearing 303 and locking assembly 304 from top to bottom, bearing 303 is arranged at the connection of valve core 2 and main rod 301, and the connection is sealed, and locking assembly 304 is arranged at the bottom end of valve body 1.

[0024] The top end of the valve core 2 is fixedly connected with a valve seat 201, the inside of the valve seat 201 is fixedly connected with a sealing packing 202 through a screw, the top end of the sealing packing 202 is fixedly connected with a valve rod 203, the side surface of the valve rod 203 is provided with a sliding groove 204, the inside of the sliding groove 204 is movably connected with a guide pin 205, the top end of the valve rod 203 is fixedly connected with a long rod 206, and the top end of the long rod 206 is fixedly connected with a hand wheel 207.

[0025] The two ends of the guide pin 205 are fixedly connected with valve covers 208, the top end of the valve cover 208 is provided with a connecting opening, the inner wall of the connecting opening is movably connected with the side surface of the long rod 206, the connecting position is sealed, the bottom end of the valve cover 208 is fixedly connected with the top end of the valve body 1, and the inside of the valve cover 208 is communicated with the inside of the valve body 1.

[0026] The bearing 303 comprises an inner ring, an outer ring and steel balls 3031, the inner ring is fixedly connected with the side surface of the main rod 301, the outer ring is fixedly connected with the inner wall of the connecting opening formed in the bottom end of the valve core 2, and the inner ring and the outer ring jointly form a movement track of the steel balls 3031.

[0027] The side surface of the main rod 301 is provided with an annular array of ratchet teeth 3041, the main rod 301 is movably connected with a clamping piece 3042 through the ratchet teeth 3041, one end of the clamping piece 3042 is movably connected in the inside of an outer shell 3043 through a connecting piece, the inside of the outer shell 3043 is provided with a sliding channel 3044, and the sliding channel 3044 is formed along the movement track of the clamping piece 3042 rotating through the connecting piece.

[0028] Referring to Figure 6 One end of the clamping piece 3042, away from the connecting piece, is movably connected with an elastic assembly 305, the elastic assembly 305 comprises a short rod 3051 and a pressing head 3052, one end of the short rod 3051 is movably connected with one end of the clamping piece 3042, the other end of the short rod 3051 is fixedly connected with one end of the pressing head 3052, the inside of the shell wall of the outer shell 3043 is provided with a hollow groove 3053, the inside of the hollow groove 3053 is provided with a spring 3054 and a baffle 3055, the spring 3054 is sleeved on the side surface of the short rod 3051, and the baffle 3055 is fixedly connected on the side surface of the short rod 3051.

[0029] In the embodiment, the pressing head 3052 is pressed down, the spring 3054 is compressed, one end of the short rod 3051 pushes the clamping piece 3042 to retract into the sliding channel 3044, at this time, the locking state of the clamping piece 3042 to the main rod 301 is released, the pressing head 3052 is loosened, the short rod 3051 is bounced back under the action of the spring 3054, the clamping piece 3042 falls down, and the main rod 301 is locked.

[0030] The working principle of the utility model:

[0031] The working principle of the valve closing: when the valve is opened, rotating the hand wheel 207 clockwise, the long rod 206 drives the valve rod 203 to rotate, due to the restriction of the guide pin 205 to the chute 204, the valve rod 203 rotates and goes down, through the sealing packing 202, the valve core 2 is driven to rotate and go down, the effect of cutting off the connection and pressing the valve seat inside the valve body 1 is achieved, and the closing is completed.

[0032] The working principle of the scraping ring when the valve is opened and closed: during the rotation of the valve core 2 to cut off the connection or open the connection, the position of the scraping ring 3 and the valve body 1 remains relatively static, at this time, the scraping ring 3 and the valve core 2 rotate relatively, the scraping ring 3 can scrape off the impurities accumulated on the inner wall of the valve core 2, and the medium flowing when the valve is opened can flush away the impurities scraped off, so as to achieve the purpose of removing impurities and preventing blockage.

[0033] The working principle of the manual control of the scraping ring cleaning: when the valve core 2 is opened or closed, pressing the pressing head 3052, the clamping piece 3042 releases the locking of the main rod 301, then rotating the fixed end 302 counterclockwise, and then the main rod 301 drives the scraping ring 3 to rotate, and the inside of the valve core 2 is scraped and cleaned, during the rotation of the fixed end 302, the pressing head 3052 needs to be kept pressed, and releasing the pressing head 3052 will lock the main rod 301, so that the scraping ring 3 and the valve core 2 do not rotate synchronously due to friction, and the cleaning effect is lost.

[0034] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A valve with anti-blocking structure, comprising a valve body (1), characterized in that, The both ends of the valve body (1) are fixedly connected with water inlet pipeline and water outlet pipeline respectively, the inside of the valve body (1) is provided with a valve core (2), the both sides of the valve core (2) are provided with passages, the passages communicate the inside spherical space of the valve core (2) with the pipelines on both sides, the inside of the valve core (2) is provided with a scraping ring (3) abutting its spherical inner wall, the bottom end of the scraping ring (3) is fixedly connected with a main rod (301), the main rod (301) continuously penetrates the bottom end of the valve core (2) and the bottom end of the valve body (1), is fixedly connected with a fixed end (302), wherein the connection between the main rod (301) and the valve body (1) is sealed, in addition, the outside of the main rod (301) is sequentially provided from top to bottom with a bearing (303) and a locking assembly (304), the bearing (303) is arranged at the connection between the valve core (2) and the main rod (301), and the connection is sealed, the locking assembly (304) is arranged at the bottom end of the valve body (1).

2. The valve with anti-blocking structure according to claim 1, characterized in that: The top end of the valve core (2) is fixedly connected with a valve seat (201), the inside of the valve seat (201) is fixedly connected with a sealing packing (202) through a screw, the top end of the sealing packing (202) is fixedly connected with a valve rod (203), wherein the side surface of the valve rod (203) is provided with a sliding groove (204), the inside of the sliding groove (204) is movably connected with a guide pin (205), the top end of the valve rod (203) is fixedly connected with an elongated rod (206), the top end of the elongated rod (206) is fixedly connected with a hand wheel (207).

3. The valve with anti-blocking structure according to claim 2, characterized in that: The both ends of the guide pin (205) are fixedly connected with valve covers (208), the top end of the valve cover (208) is provided with a connecting port, the inner wall of the connecting port is movably connected with the side surface of the elongated rod (206), the connection is sealed, the bottom end of the valve cover (208) is fixedly connected with the top end of the valve body (1), and the interiors of the two are communicated.

4. The valve with anti-blocking structure according to claim 1, characterized in that: The bearing (303) comprises an inner ring, an outer ring and steel balls (3031), wherein the side surface of the main rod (301) is fixedly connected with the inner ring, the inner wall of the connecting port provided at the bottom end of the valve core (2) is fixedly connected with the outer ring, and the inner ring and the outer ring jointly constitute the movement track of the steel balls (3031).

5. The valve with anti-blocking structure according to claim 4, characterized in that: The side surface of the main rod (301) is provided with an annular array of ratchet teeth (3041), the main rod (301) is movably connected with a clamping piece (3042) through the ratchet teeth (3041), one end of the clamping piece (3042) is movably connected in the inside of a shell (3043) through a connecting piece, the inside of the shell (3043) is provided with a sliding channel (3044), wherein the sliding channel (3044) is provided along the movement track of the clamping piece (3042) rotating through the connecting piece.

6. The valve with anti-blocking structure according to claim 5, characterized in that: The card piece (3042) is movably connected with the elastic assembly (305) at one end away from the connecting piece, the elastic assembly (305) comprises a short rod (3051) and a pressing head (3052), one end of the short rod (3051) is movably connected with one end of the card piece (3042), and the other end thereof is fixedly connected with one end of the pressing head (3052), wherein a shell wall of the shell (3043) is internally provided with an empty groove (3053), the empty groove (3053) is internally provided with a spring (3054) and a baffle (3055), the spring (3054) is sleeved on the side surface of the short rod (3051), and the baffle (3055) is fixedly connected on the side surface of the short rod (3051).

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