CN218000579U

CN218000579U - Novel hydraulic throttle valve

Info

Publication number: CN218000579U
Application number: CN202222540679.6U
Authority: CN
Inventors: 赖玉灵
Original assignee: Foshan Wenning Hydraulic Complete Equipment Co ltd
Current assignee: Foshan Wenning Hydraulic Complete Equipment Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-09
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a novel hydraulic pressure choke valve belongs to the choke valve field, including the hydraulic pressure choke valve body, the right side of hydraulic pressure choke valve body is equipped with filtering mechanism, filtering mechanism includes the connecting cylinder, L type side piece, the fixed plate, the cartridge filter, the dead lever, compression spring, movable block and connecting hole, the connecting cylinder passes through the external thread connecting pipe fixed connection of both sides in the right side inlet of hydraulic pressure choke valve body, and L type side piece fixed connection is in the connecting cylinder both sides, through install the filtering mechanism who sets up additional on the hydraulic pressure choke valve body, before fluid enters into the hydraulic pressure choke valve body, can filter impurity thing with carrying in the fluid, thereby avoid impurity thing to cause the jam in entering into the hydraulic pressure choke valve body, and then ensure the normal use of hydraulic pressure choke valve body, and simultaneously, still the person of facilitating the use clears up the impurity thing after filtering, realize filtering protection effect effectively with the guarantee filtering mechanism to the hydraulic pressure choke valve body.

Description

Novel hydraulic throttle valve

Technical Field

The utility model relates to a choke valve field, in particular to novel hydraulic pressure choke valve.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system. The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability. Traditional hydraulic pressure choke valve is at the in-process that uses, because mechanical impurity in the fluid or because of impurity such as colloid, pitch and carbon sediment that the oxidation was appeared, and the impurity thing that has fluid can be to piling up when passing through hydraulic pressure choke valve and adsorbing in hydraulic pressure choke valve's valve to can lead to the fact the jam to hydraulic pressure choke valve, and then influence hydraulic pressure choke valve's normal use.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a novel hydraulic throttle valve which can effectively solve the problems of the prior art.

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

the utility model provides a novel hydraulic pressure choke valve, includes the hydraulic pressure choke valve body, the right side of hydraulic pressure choke valve body is equipped with filtering mechanism, filtering mechanism includes connecting cylinder, L type side piece, fixed plate, cartridge filter, dead lever, compression spring, movable block and connecting hole, the connecting cylinder passes through the external thread connecting pipe fixed connection of both sides in the right side inlet of hydraulic pressure choke valve body, and L type side piece fixed connection is in the connecting cylinder both sides, the fixed plate is located the top surface of connecting cylinder, and cartridge filter fixed connection is in the bottom surface of fixed plate, dead lever symmetry fixed connection is at the top surface of fixed plate, and compression spring overlaps and establishes on the dead lever, movable block fixed connection be in compression spring's the outside end and with dead lever swing joint, and gag lever post fixed connection is on the lateral wall of movable block.

Preferably, the outer thread connecting pipe of intercommunication is fixedly mounted on the left and right side walls of the connecting cylinder respectively, and the liquid inlet thread connecting pipe on the left side of the connecting cylinder is connected with the liquid inlet thread on the right side of the hydraulic throttling valve body.

Preferably, the annular seal groove has been seted up to the top surface of connecting cylinder, and fixed mounting has the sealing washer on the inslot annular wall of seal groove, the both sides lateral wall of connecting cylinder still respectively fixed mounting have L type side piece in the top that is located external thread connecting pipe, and seted up the card hole on the lateral wall of L type side piece.

Preferably, the bottom surface fixed mounting of fixed plate has the sealing ring, and the bottom surface of fixed plate and be located the ring of sealing ring still fixed mounting have the cartridge filter, seted up the straining port on the right side wall of cartridge filter, and still seted up a plurality of filtration pore on the outer wall of cartridge filter.

Preferably, the top surface of the fixing plate is provided with a group of bilaterally symmetrical grooves, sliding grooves are formed in two sides of the inner wall of each groove respectively, and through holes are formed in two ends of the inner wall of each groove respectively.

Preferably, dead lever fixed mounting is in the recess, and the pole of dead lever is gone up to overlap and is equipped with compression spring, compression spring's medial extremity fixed mounting is on the inslot side end wall of fixed plate, and compression spring's outside fixed mounting has the movable block, the connecting hole has been seted up on the inside wall of movable block, and the movable block passes through connecting hole movable mounting on the dead lever, on the both sides lateral wall of movable block respectively fixed mounting has the slider, and slider movable mounting is in the spout, still fixed mounting has the gag lever post on the lateral wall of movable block, and the gag lever post passes the through-hole and inserts to install at the card downthehole, the top surface fixed mounting of movable block has the hand push block.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through installing the filtering mechanism who sets up additional on the hydraulic pressure choke valve body, before fluid entered into the hydraulic pressure choke valve body, can filter the ground impurity thing that carries in the fluid to avoid the impurity thing to cause the jam in entering into the hydraulic pressure choke valve body, and then ensure the normal use of hydraulic pressure choke valve body, simultaneously, still the person of facilitating the use clears up the impurity thing after filtering, realize filtering the guard action effectively to the hydraulic pressure choke valve body with the guarantee filtering mechanism.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the connecting cylinder of the present invention;

fig. 3 is a schematic view of the structure splitting of the filtering mechanism of the present invention.

In the figure: 1. a hydraulic throttle body; 2. a filtering mechanism; 3. a connecting cylinder; 4. an external thread connecting pipe; 5. a sealing groove; 6. a seal ring; 7. an L-shaped side block; 8. clamping holes; 9. a fixing plate; 10. a groove; 11. a chute; 12. a through hole; 13. a seal ring; 14. a filter cartridge; 15. a filter opening; 16. filtering holes; 17. fixing the rod; 18. a compression spring; 19. a movable block; 20. connecting holes; 21. a slider; 22. a limiting rod; 23. and a hand push block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a novel hydraulic throttle valve, including hydraulic throttle valve body 1, the right side of hydraulic throttle valve body 1 is equipped with filtering mechanism 2, filtering mechanism 2 includes connecting cylinder 3, L type side piece 7, fixed plate 9, cartridge filter 14, dead lever 17, compression spring 18, movable block 19 and connecting hole 20, connecting cylinder 3 is through the outer threaded connection 4 fixed connection of both sides in the right side inlet of hydraulic throttle valve body 1, and L type side piece 7 fixed connection is in connecting cylinder 3 both sides, fixed plate 9 is located the top surface of connecting cylinder 3, and cartridge filter 14 fixed connection is in the bottom surface of fixed plate 9, dead lever 17 symmetry fixed connection is at the top surface of fixed plate 9, and compression spring 18 cover is established on dead lever 17, movable block 19 fixed connection is at the outside end of compression spring 18 and with dead lever 17 swing joint, and gag lever 22 fixed connection is on the lateral wall of movable block 19.

As shown in fig. 1-3, in this embodiment, in order to filter impurities in oil through the filtering mechanism 2 to prevent the hydraulic throttle valve body 1 from being blocked during use, the left and right side walls of the connecting cylinder 3 are respectively and fixedly mounted with the external thread connecting pipes 4, the external thread connecting pipe 4 on the left side of the connecting cylinder 3 is in threaded connection with the liquid inlet on the right side of the hydraulic throttle valve body 1, the top surface of the connecting cylinder 3 is provided with an annular sealing groove 5, the inner annular wall of the sealing groove 5 is fixedly mounted with a sealing ring 6, the side walls on both sides of the connecting cylinder 3 and above the external thread connecting pipe 4 are respectively and fixedly mounted with an L-shaped side block 7, the side wall of the L-shaped side block 7 is provided with a clamping hole 8, the bottom surface of the fixing plate 9 is fixedly mounted with a sealing ring 13, and the bottom surface of the fixing plate 9 and the ring of the sealing ring 13 are also fixedly mounted with a filter cartridge 14, a filter opening 15 is arranged on the right side wall of the filter cartridge 14, a plurality of filter holes 16 are also arranged on the outer wall of the filter cartridge 14, a group of bilaterally symmetrical grooves 10 are arranged on the top surface of the fixing plate 9, sliding grooves 11 are respectively arranged on both sides of the inner wall of the groove 10, through holes 12 are also respectively arranged on both ends of the inner wall of the groove 10, the fixing rod 17 is fixedly arranged in the groove 10, a compression spring 18 is sleeved on the rod body of the fixing rod 17, the inner side end of the compression spring 18 is fixedly arranged on the end wall of the inner side of the groove of the fixing plate 9, a movable block 19 is fixedly arranged on the outer side end of the compression spring 18, a connecting hole 20 is arranged on the inner side wall of the movable block 19, the movable block 19 is movably arranged on the fixing rod 17 through the connecting hole 20, sliding blocks 21 are respectively fixedly arranged on the side walls on both sides of the movable block 19, and the sliding blocks 21 are movably arranged in the sliding grooves 11, the outer side wall of the movable block 19 is also fixedly provided with a limiting rod 22, the limiting rod 22 penetrates through the through hole 12 and is inserted into the clamping hole 8, and the top surface of the movable block 19 is fixedly provided with a hand push block 23;

the use of the filter mechanism 2 operates specifically as follows: firstly, the external thread connecting pipe 4 arranged at the left side of the connecting cylinder 3 is in threaded connection with the liquid inlet at the right side of the hydraulic throttle valve body 1, the connecting cylinder 3 is arranged at the right side of the hydraulic throttle valve body 1, then the fixed plate 9 is arranged on the top surface of the connecting cylinder 3, during the installation, the hand push blocks 23 symmetrical to the top surface of the fixed plate 9 are manually close to each other, during the execution of the returning operation, the hand push blocks 23 drive the movable block 19 to move in the groove 10 formed at the top surface of the fixed plate 9, the movable block 19 moves in the groove 10 along the fixed rod 17 through the connecting hole 20 formed on the side wall, the fixed rod 17 enters the connecting hole 20, the sliding blocks 21 arranged at the two sides of the movable block 19 synchronously slide in the sliding groove 11, and simultaneously, the compression spring 18 sleeved on the fixed rod 17 is forced to perform the retracting operation after the movable block 19 moves, the movable block 19 drives the limiting rods 22 arranged on the outer side end to penetrate through the through holes 12 and retract into the grooves 10, the symmetrical hand push blocks 23 are continuously enabled to approach to each other until the limiting rods 22 protruding from two sides of the fixed plate 9 are not blocked by the L-shaped side blocks 7 arranged on the connecting cylinder 3 any more, then the fixed plate 9 is arranged on the top surface of the connecting cylinder 3, the through holes 12 are aligned with the clamping holes 8 arranged on the L-shaped side blocks 7, the filter cylinder 14 is arranged in the connecting cylinder 3, the filter opening 15 arranged on the right side of the filter cylinder 14 is opposite to the external thread connecting pipe 4 arranged on the right side of the connecting cylinder 3, when the fixed plate 9 is arranged on the top surface of the connecting cylinder 3, the sealing ring 13 arranged on the bottom surface of the fixed plate 9 is pressed into the sealing groove 5 arranged on the top surface of the connecting cylinder 3, and the sealing ring 6 arranged on the sealing groove 5 is matched to realize the sealing of the connecting cylinder 3, finally, the hand push blocks 23 are not close to each other any more, at this time, after the limiting force of the hand push block 23 on the compression spring 18 through the movable block 19 is lost, the compression spring 18 performs a recovery extension operation, and pushes against the movable block 19 to enable the limiting rod 22 mounted at the outer side end of the movable block 19 to penetrate through the through hole 12 and be inserted into the clamping hole 8, so that the fixing plate 9 is fixed on the top surface of the connecting cylinder 3, when an oil pipeline is connected to the external thread connecting pipe 4 at the right side of the connecting cylinder 3 and oil enters the connecting cylinder 3, the oil enters the filter cylinder 14 through the filter port 15, the filter cylinder 14 filters impurities carried in the oil through the filter hole 16 formed in the outer wall, and the filtered impurities are blocked in the filter cylinder 14, so that the impurities can be prevented from entering the hydraulic throttle valve body 1 to block the hydraulic throttle valve body 1, the normal use of the hydraulic throttle valve body 1 is guaranteed, if the impurities filtered in the filter cylinder 14 are to be cleaned, and the filter cylinder 14 can be taken out from the connecting cylinder 3 through the reverse operation.

While the invention has been described in detail with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

1. The utility model provides a novel hydraulic pressure choke valve, includes hydraulic pressure choke valve body (1), its characterized in that: the right side of hydraulic pressure choke valve body (1) is equipped with filtering mechanism (2), filtering mechanism (2) are including connecting cylinder (3), L type side piece (7), fixed plate (9), cartridge filter (14), dead lever (17), compression spring (18), movable block (19) and connecting hole (20), connecting cylinder (3) are through outer threaded connection pipe (4) fixed connection of both sides in the right side inlet of hydraulic pressure choke valve body (1), and L type side piece (7) fixed connection is in connecting cylinder (3) both sides, fixed plate (9) are located the top surface of connecting cylinder (3), and cartridge filter (14) fixed connection is in the bottom surface of fixed plate (9), dead lever (17) symmetry fixed connection is at the top surface of fixed plate (9), and compression spring (18) cover is established on dead lever (17), movable block (19) fixed connection be at the outside end of compression spring (18) and with dead lever (17) swing joint, and gag lever (22) fixed connection is on the lateral wall of movable block (19).

2. The novel hydraulic throttle valve according to claim 1, characterized in that: the left and right sides of connecting cylinder (3) are equipped with external thread connecting pipe (4) of intercommunication respectively on the lateral wall, and the left external thread connecting pipe (4) of connecting cylinder (3) and the feed liquor threaded connection on hydraulic pressure choke valve body (1) right side.

3. The novel hydraulic throttle valve according to claim 2, characterized in that: annular seal groove (5) have been seted up to the top surface of connecting cylinder (3), and fixed mounting has sealing washer (6) on the inslot annular wall of seal groove (5), the both sides lateral wall of connecting cylinder (3) and the top that is located external screw thread connecting pipe (4) still respectively fixed mounting have L type side piece (7), and seted up card hole (8) on the lateral wall of L type side piece (7).

4. The novel hydraulic throttle valve according to claim 3, characterized in that: the bottom surface fixed mounting of fixed plate (9) has sealing ring (13), and the bottom surface of fixed plate (9) and the ring that is located sealing ring (13) still fixed mounting have cartridge filter (14), strain mouthful (15) have been seted up on the right side wall of cartridge filter (14), and have still seted up a plurality of filtration pore (16) on the outer wall of cartridge filter (14).

5. The novel hydraulic throttling valve according to claim 4, characterized in that: a set of bilaterally symmetrical grooves (10) are formed in the top surface of the fixing plate (9), sliding grooves (11) are formed in two sides of the inner wall of each groove (10), and through holes (12) are formed in two ends of the inner wall of each groove (10).

6. The novel hydraulic throttling valve according to claim 5, characterized in that: dead lever (17) fixed mounting is in recess (10), and the cover is equipped with compression spring (18) on the pole body of dead lever (17), the medial extremity fixed mounting of compression spring (18) is on the inslot side end wall of fixed plate (9), and the outside end fixed mounting of compression spring (18) has movable block (19), connecting hole (20) have been seted up on the inside wall of movable block (19), and movable block (19) through connecting hole (20) movable mounting on dead lever (17), respectively fixed mounting has slider (21) on the both sides lateral wall of movable block (19), and slider (21) movable mounting in spout (11), still fixed mounting has gag lever post (22) on the lateral wall of movable block (19), and gag lever post (22) passes through-hole (12) and inserts and install in calorie hole (8), the top surface fixed mounting of movable block (19) has hand push block (23).