CN211315315U

CN211315315U - Valve buffer mechanism

Info

Publication number: CN211315315U
Application number: CN201922088666.8U
Authority: CN
Inventors: 姚惟秀; 吴成祝
Original assignee: Anhui Zhongsite Fluid Equipment Co ltd
Current assignee: Anhui Zhongsite Fluid Equipment Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-08-21
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to the technical field of valves, and a valve buffer gear is disclosed, which comprises a valve body, the one end fixedly connected with one end confined of valve body section of thick bamboo of intaking, a plurality of small opening has been seted up on the inner tube bottom of the section of thick bamboo of intaking, be connected with the piston board through buffer gear in the section of thick bamboo of intaking, the piston board is kept away from on the lateral wall of small opening symmetrical fixedly connected with connecting rod, two the common fixedly connected with spacing section of thick bamboo of one end of piston board is kept away from to the connecting rod, all install sealing mechanism between spacing section of thick bamboo, piston board and the section of thick bamboo of intaking, a plurality of apopore has been seted up. The utility model discloses do not influence the velocity of flow of rivers when protecting the valve body.

Description

Valve buffer mechanism

Technical Field

The utility model relates to the technical field of valves, especially, relate to a valve buffer gear.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.

The patent with the Chinese patent grant publication number of CN108869868A discloses a valve buffering mechanism, which comprises a valve body, a valve core, a valve seat and a valve rod are arranged in the valve body, the valve rod is connected with the valve core, the valve core corresponds to an inner cavity of the valve seat, an elastic die and a roller are sequentially arranged in the valve seat from left to right, a plurality of through holes are fully distributed on the elastic die, a plurality of impellers are uniformly distributed on the roller, a rolling shaft is arranged on the inner wall of the valve seat, the rolling shaft is connected on the valve seat through a shaft, the rolling shaft is directly connected with a torsion spring with the valve seat, and a rocker is arranged on. The liquid is impacted by the elasticity of the elastic die and the impeller arranged on the roller. The valve cushioning mechanism in the above patent has the following disadvantages: the water flow is buffered through the buffering mechanism, so that the valve body is protected; when the water flow pressure is smaller or larger, the buffering effect of the device is the same, and then when the water flow pressure is smaller, the water flow is too small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the buffer gear on the valve buffer gear existing in the prior art influences the flow velocity of water, and providing a valve buffer gear.

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

the utility model provides a valve buffer gear, includes the valve body, the one end fixedly connected with one end confined of valve body enters a section of thick bamboo, a plurality of small opening has been seted up on the inner tube bottom of a section of thick bamboo of intaking, it is connected with the piston board through buffer gear in the section of thick bamboo to enter, the piston board is kept away from on the lateral wall of small opening symmetry fixedly connected with connecting rod, two the common fixedly connected with of one end that the piston board was kept away from to the connecting rod is spacing, all install sealing mechanism between spacing section of thick bamboo, piston board and the section of thick bamboo of intaking, a plurality of apopore has been seted up on.

Preferably, buffer gear includes T type slider, buffer beam, first spring, the second spring that T type spout and quantity are two, T type spout is seted up at the bottom of the inner tube of a section of thick bamboo of intaking, two T type slider symmetry sliding connection is in T type spout, T type slider keeps away from the notch of T type spout and outwards extends in the one end of T type spout tank bottom, and articulates with the buffer beam, the other end and the piston board of buffer beam are articulated, two first spring symmetry fixed connection is on the relative cell wall of T type spout, the other end and the T type slider fixed connection of first spring, two the second spring is on the bottom of the inner tube of a section of thick bamboo of intaking about T type spout symmetry fixed connection, the other end and the piston board fixed connection of second spring.

Preferably, a ball groove is formed in one end, close to the bottom of the T-shaped sliding groove, of the T-shaped sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a notch of the ball groove and extends outwards and is connected with the bottom of the T-shaped sliding groove in a rolling mode.

Preferably, the water inlet barrel is symmetrically and fixedly connected with limiting blocks on the wall of the inner barrel opposite to the barrel bottom, and the limiting blocks are abutted to the limiting barrel.

Preferably, the sealing mechanism comprises a sealing groove and a rubber ring, the section of the sealing groove is annular, the sealing groove is formed in the annular side wall of the corresponding limiting cylinder and the annular side wall of the piston plate, the rubber ring is fixedly connected into the sealing groove, and one end, far away from the bottom of the sealing groove, of the rubber ring penetrates through a notch of the sealing groove and extends outwards and is in sealing sliding connection with the inner cylinder wall of the water inlet cylinder.

Preferably, the valve body and the water inlet cylinder are both coated with antirust paint.

Compared with the prior art, the utility model provides a valve buffer gear possesses following beneficial effect:

1. according to the valve buffering mechanism, the water inlet cylinder, the leakage hole, the buffering mechanism, the connecting rod, the limiting cylinder and the water outlet hole are arranged, so that water flow enters the valve body through the water inlet cylinder, when the flow speed is low, the pressure borne by the piston plate is low, the effect of the buffering mechanism is matched, the movement distance of the limiting cylinder under the action of the tensile force of the piston plate is small, the number of the water outlet holes blocked by the limiting cylinder is small, and the flow speed is not changed greatly while the water flow is buffered; when the flow velocity is high, the pressure born by the piston plate is high, so that more water outlet holes are blocked by the limiting cylinder, and certain flow velocity is reduced while water flow is buffered; and then through the regulation of apopore, when rivers velocity of flow is less or great, the rivers flow behind the valve is unchangeable basically, does not influence the velocity of flow when protecting the valve body.

2. This valve buffer gear, through setting up T type spout, T type slider, buffer beam, first spring and second spring, during rivers effect and piston plate, the impact force at first acts on the second spring, cushions the impact force, and the impact force acts on two T type sliders through the buffer beam, and two T type sliders carry out back of the body motion, act on first spring with the impact force, and then twice buffering cushions rivers, and then the protection valve body, improves the life-span of valve body.

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 do not influence the velocity of flow of rivers when protecting the valve body.

Drawings

Fig. 1 is a schematic structural view of a valve buffering mechanism provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

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

In the figure: 1 valve body, 2 a section of thick bamboo of intaking, 3 small openings, 4 buffer gear, 41T type spout, 42T type slider, 43 buffer rods, 44 first spring, 45 second spring, 5 piston plates, 6 connecting rods, 7 spacing section of thick bamboos, 8 sealing mechanism, 81 seal grooves, 82 rubber ring, 9 apopores, 10 ball grooves, 11 balls.

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 valve buffering mechanism comprises a valve body 1, wherein one end of the valve body 1 is fixedly connected with a water inlet barrel 2 with a sealed end, the inner barrel bottom of the water inlet barrel 2 is provided with a plurality of leak holes 3, the water inlet barrel 2 is internally connected with a piston plate 5 through a buffering mechanism 4, the side wall of the piston plate 5 far away from the leak holes 3 is symmetrically and fixedly connected with connecting rods 6, one end of each connecting rod 6 far away from the piston plate 5 is jointly and fixedly connected with a limiting barrel 7, sealing mechanisms 8 are respectively arranged between the limiting barrel 7 and the water inlet barrel 2, the limiting barrel 7 and the barrel wall corresponding to the connecting rods 6 are provided with a plurality of water outlet holes 9, water flow enters the valve body 1 through the water inlet barrel 2, when the flow rate is low, the pressure borne by the piston plate 5 is low, the buffering mechanism 4 is matched, the movement distance of the limiting barrel 7 under the pulling force of the piston plate 5 is, the flow speed is not greatly changed while the water flow is buffered; when the flow velocity is high, the pressure born by the piston plate 5 is high, so that more water outlet holes 9 are blocked by the limiting cylinder 7, and a certain flow velocity is reduced while water flow is buffered; and then through the regulation of apopore 9, when the velocity of flow is less or great, the velocity of flow of rivers after the valve is unchangeable basically, does not influence the velocity of flow when protecting valve body 1.

The buffer mechanism 4 comprises a T-shaped chute 41 and two T-shaped sliding blocks 42, a buffer rod 43, a first spring 44 and a second spring 45, the T-shaped chute 41 is arranged at the bottom of the inner cylinder of the water inlet cylinder 2, the two T-shaped sliding blocks 42 are symmetrically and slidably connected in the T-shaped chute 41, one end of the T-shaped sliding block 42, which is far away from the bottom of the T-shaped chute 41, penetrates through the notch of the T-shaped chute 41 and extends outwards and is hinged with the buffer rod 43, the other end of the buffer rod 43 is hinged with the piston plate 5, the two first springs 44 are symmetrically and fixedly connected on the opposite groove walls of the T-shaped chute 41, the other end of the first spring 44 is fixedly connected with the T-shaped sliding block 42, the two second springs 45 are symmetrically and fixedly connected on the bottom of the inner cylinder of the water inlet cylinder 2 relative to the T-shaped chute 41, the other end of the second spring 45 is fixedly connected with the piston, buffering impact force, impact force acts on two T type sliders 42 through buffer rod 43, and two T type sliders 42 carry out the motion of carrying on the back of the body mutually, act on first spring 44 with impact force, and then cushion twice, cushion the rivers, and then protection valve body 1, improve valve body 1's life-span.

The ball groove 10 has been seted up to the one end that T type slider 42 is close to T type spout 41 tank bottom, and ball 11 is connected with in the ball groove 10 roll, and ball 11 is kept away from the one end of ball groove 10 tank bottom and is passed ball groove 10 notch and outwards extend, and with the tank bottom roll connection of T type spout 41, makes the gliding more swift of T type slider 42.

The relative inner tube wall that a section of thick bamboo bottom was kept away from to section of thick bamboo 2 is gone up symmetry fixedly connected with stopper, and the stopper offsets with a spacing section of thick bamboo 7, prevents that a spacing section of thick bamboo 7 from breaking away from the condition emergence of a section of thick bamboo 2 of intaking.

Sealing mechanism 8 includes that the section is annular seal groove 81 and rubber ring 82, and seal groove 81 is seted up on the annular lateral wall of the spacing section of thick bamboo 7 that corresponds and piston plate 5, and rubber ring 82 fixed connection is in seal groove 81, and the notch of seal groove 81 and outside extension are passed to the one end that seal groove 81 tank bottom was kept away from to rubber ring 82, and with the sealed sliding connection of the inner tube wall of a section of thick bamboo 2, seals spacing section of thick bamboo 7 and piston plate 5.

All scribble the anti-rust paint on valve body 1 and the section of thick bamboo 2 of intaking, prevent that the rusty condition of valve body 1 and a section of thick bamboo 2 of intaking from taking place.

In the utility model, when the flow rate is small, the pressure born by the piston plate 5 is small, the buffer mechanism 4 is matched, the distance of the motion of the limiting cylinder 7 under the pulling force of the piston plate 5 is small, the number of the water outlets 9 blocked by the limiting cylinder 7 is small, and the flow rate is not changed greatly when the flow is buffered; when the flow velocity is high, the pressure born by the piston plate 5 is high, so that more water outlet holes 9 are blocked by the limiting cylinder 7, and a certain flow velocity is reduced while water flow is buffered; through the adjustment of the water outlet hole 9, when the flow rate of water flow is small or large, the flow rate of the water flow passing through the valve is basically unchanged, the valve body 1 is protected, and the flow rate of the water flow is not influenced; during rivers effect and piston plate 5, the impact force at first acts on second spring 45, cushions the impact force, and the impact force acts on two T type sliders 42 through buffer rod 43, and two T type sliders 42 carry out the motion of carrying on the back of the body mutually, act on first spring 44 with the impact force, and then twice buffering cushions the rivers, and then protection valve body 1, improves valve body 1's life-span.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a valve buffer mechanism, includes valve body (1), its characterized in that, the one end fixedly connected with one end confined of valve body (1) is intake a section of thick bamboo (2), a plurality of small opening (3) have been seted up on the inner tube end of an intake section of thick bamboo (2), it is connected with piston plate (5) through buffer gear (4) to intake in a section of thick bamboo (2), symmetry fixedly connected with connecting rod (6), two on the lateral wall that small opening (3) were kept away from in piston plate (5) the common fixedly connected with of one end of piston plate (5) is kept away from in connecting rod (6) is spacing section of thick bamboo (7), all install sealing mechanism (8) between spacing section of thick bamboo (7), piston plate (5) and an intake section of thick bamboo (2), a plurality of apopore (9) have been seted up on the section of thick bamboo.

2. The valve buffering mechanism according to claim 1, wherein the buffering mechanism (4) comprises a T-shaped chute (41) and a T-shaped sliding block (42), a buffering rod (43), a first spring (44) and a second spring (45), the T-shaped chute (41) is provided at the bottom of the inner cylinder of the water inlet cylinder (2), the two T-shaped sliding blocks (42) are symmetrically and slidably connected in the T-shaped chute (41), one end of the T-shaped sliding block (42), which is far away from the bottom of the T-shaped chute (41), penetrates through the notch of the T-shaped chute (41), extends outwards and is hinged to the buffering rod (43), the other end of the buffering rod (43) is hinged to the piston plate (5), the two first springs (44) are symmetrically and fixedly connected to opposite groove walls of the T-shaped chute (41), and the other end of the first spring (44) is fixedly connected to the T-shaped sliding block (42), the two second springs (45) are symmetrically and fixedly connected to the inner cylinder bottom of the water inlet cylinder (2) about the T-shaped sliding groove (41), and the other ends of the second springs (45) are fixedly connected with the piston plate (5).

3. The valve buffering mechanism according to claim 2, wherein a ball groove (10) is formed in one end of the T-shaped sliding block (42) close to the bottom of the T-shaped sliding groove (41), a ball (11) is connected in the ball groove (10) in a rolling manner, and one end of the ball (11) far away from the bottom of the ball groove (10) penetrates through the notch of the ball groove (10), extends outwards and is connected with the bottom of the T-shaped sliding groove (41) in a rolling manner.

4. The valve buffering mechanism as claimed in claim 1, wherein the water inlet cylinder (2) is symmetrically and fixedly connected with a limiting block on the wall of the inner cylinder far away from the cylinder bottom, and the limiting block abuts against the limiting cylinder (7).

5. The valve buffering mechanism according to claim 1, wherein the sealing mechanism (8) comprises a sealing groove (81) and a rubber ring (82) which are annular in cross section, the sealing groove (81) is formed in the annular side wall of the corresponding limiting cylinder (7) and the piston plate (5), the rubber ring (82) is fixedly connected in the sealing groove (81), and one end, far away from the bottom of the sealing groove (81), of the rubber ring (82) penetrates through the notch of the sealing groove (81) and extends outwards and is in sealing sliding connection with the inner cylinder wall of the water inlet cylinder (2).

6. The valve buffering mechanism according to claim 1, wherein the valve body (1) and the water inlet cylinder (2) are coated with antirust paint.