CN217271110U

CN217271110U - Flow dividing and collecting valve

Info

Publication number: CN217271110U
Application number: CN202122694419.XU
Authority: CN
Inventors: 李文秀; 张辉; 郭咏梅
Original assignee: Dalian Youchuang Hydraulic Co ltd
Current assignee: Dalian Youchuang Hydraulic Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-08-23
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a reposition of redundant personnel collecting valve relates to valve technical field, including valve body, valve barrel and case subassembly set up in the valve body, and one side intercommunication of valve body is provided with the input joint, and opposite side demountable installation of valve body has two filter mantles, and the one end intercommunication of filter mantle is provided with the output and connects, and the case subassembly cover is established in the valve barrel, and the one end fixedly connected with of case subassembly adjusts the pole, and the cover is equipped with the pressure release spring on the case subassembly, and the both ends of valve barrel are provided with first elastic component and second elastic component respectively, and the accent chute has been seted up to the inside wall of valve body. This flow distribution and collection valve is established on the valve sleeve through case subassembly cover, can improve the stability of case subassembly, cooperates the resistance transverse impact that pressure release spring can the preferred on the basis of realizing interconnect between left side case and the right side case for the anti oil pressure impact's of flow distribution and collection valve ability promotes, and reliability and stability can more obtain guaranteeing.

Description

Flow dividing and collecting valve

Technical Field

The utility model relates to the technical field of valves, specifically be a reposition of redundant personnel collection valve.

Background

The synchronous valve is mainly applied to a double-cylinder and multi-cylinder synchronous control hydraulic system, and usually has a plurality of methods for realizing synchronous motion, but the synchronous control hydraulic system adopting the flow distribution and collection valve-synchronous valve has the advantages of simple structure, low cost, easy manufacture, strong reliability and the like, so the synchronous valve is widely applied to the hydraulic system, the synchronization of the flow distribution and collection valve is speed synchronization, when two oil cylinders or a plurality of oil cylinders respectively bear different loads, the flow distribution and collection valve can still ensure the synchronous motion, and the flow distribution valve has the function of supplying the same flow to more than two execution elements by the same oil source or supplying the flow to the two execution elements according to a certain proportion, to achieve a synchronous or proportional relationship between the speeds of the two actuators. The collecting valve is used for collecting equal flow or proportional oil return quantity from the two actuators so as to realize the speed synchronization or proportional relation of the two actuators. The flow distributing and collecting valve has the functions of both flow distributing valve and flow collecting valve.

Even under the steady-state working condition, the flow dividing and collecting cartridge valve in the prior art can cause the difference of two paths of flow due to the manufacturing error of the fixed throttling hole and the existence of the asymmetry of the hydraulic force, the spring force and the leakage flow on two sides when the load pressure is different, and the like, thereby generating the synchronous error and further reducing the precision of the flow dividing and collecting cartridge valve.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The not enough to prior art, the utility model provides a reposition of redundant personnel collection valve has solved the problem that proposes among the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including valve body, valve barrel and case subassembly set up in the valve body, one side intercommunication of valve body is provided with the input joint, the opposite side demountable installation of valve body has two filter covers, the one end intercommunication of filter cover is provided with the output joint, case subassembly cover is established in the valve barrel, the one end fixedly connected with of case subassembly adjusts the pole, the cover is equipped with the pressure release spring on the case subassembly, the both ends of valve barrel are provided with first elastic component and second elastic component respectively, the accent chute has been seted up to the inside wall of valve body.

Optionally, two shunting holes are formed in one side wall of the valve body, the bidirectional pressure chamber is formed in the middle of the valve body, two ends of the flow adjusting groove are respectively communicated with the two shunting holes, the flow adjusting groove and the shunting holes form a flow adjusting channel, the flow adjusting channel can reduce pressure fluctuation, pressure difference on the shunting holes on two sides is reduced, and accordingly synchronization accuracy in a flow collecting state is improved.

Optionally, a flow collecting hole is formed in the other side wall of the valve body, and the flow collecting hole, the two-way pressure chamber and the input joint respectively form an oil inlet channel, so that oil inlet and oil collection are guaranteed.

Optionally, the two flow distribution holes are respectively communicated with the two-way pressure chamber and the two filter covers, and the two flow distribution holes respectively form an oil outlet channel with the two output connectors, so that flow distribution and oil inlet are facilitated.

Optionally, the surface threaded connection of filter mantle has hexagon socket head cap nut, hexagon socket head cap nut penetrates the one end of filter mantle and supports tightly the lateral wall of valve body, and the filter mantle can filter the oil duct, improves the security of oil business turn over, conveniently dismantles simultaneously and changes and the maintenance.

Optionally, the adjusting rod penetrates through the valve body, the adjusting rod is provided with the plug, and the adjusting rod is assembled with the valve body into a whole through the plug, so that the valve core assembly is convenient to adjust.

Optionally, the first elastic piece and the second elastic piece are respectively installed on the inner side wall of the valve body, the valve sleeve is elastically matched with the valve body through the first elastic piece and the second elastic piece, transverse impact resistance can be better achieved, the oil pressure impact resistance of the flow distributing and collecting valve is improved, and reliability and stability can be better guaranteed.

Optionally, the valve core assembly comprises a left valve core and a right valve core, a first buckle is arranged at one end of the left valve core, a second buckle is arranged at one end of the right valve core, and the left valve core and the right valve core are integrally clamped by the first buckle and the second buckle.

Advantageous effects

The utility model provides a reposition of redundant personnel collection valve possesses following beneficial effect: this flow distributing and collecting valve, overlap through the case subassembly cover and establish on the valve housing, can improve the stability of case subassembly, the resistance transverse impact that cooperation pressure release spring can the preferred on the basis of realizing interconnect between left side case and the right side case, make the anti oil pressure impact's of flow distributing and collecting valve ability promote, reliability and stability more can obtain guaranteeing, the filter mantle can filter the oil duct, improve the security of oil business turn over, the change and the maintenance are conveniently dismantled simultaneously, flow regulating groove founds the flow regulating channel and can reduce the pressure oscillation, reduce the pressure differential on the diffluent hole of both sides, thereby improve the synchronous precision under the mass flow state.

Drawings

FIG. 1 is a schematic view of the split structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic diagram of a second structural configuration of the present invention;

fig. 4 is a sectional view of the present invention.

In the figure: the pressure relief valve comprises a valve body 1, a valve sleeve 2, a valve core assembly 3, a valve core assembly 301, a left valve core 302, a right valve core, an input joint 4, a filter cover 5, an output joint 6, an adjusting rod 7, a pressure relief spring 8, a first elastic piece 9, a second elastic piece 10, a flow adjusting groove 11, a flow dividing hole 12, a bidirectional pressure chamber 13, a flow collecting hole 14, an inner hexagon nut 15 and a plug 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a reposition of redundant personnel collection valve, including valve body 1, valve barrel 2 and case subassembly 3 set up in valve body 1, one side intercommunication of valve body 1 is provided with input joint 4, the opposite side demountable installation of valve body 1 has two filter mantle 5, the one end intercommunication of filter mantle 5 is provided with output joint 6, the case subassembly cover is established in valve barrel 2, the one end fixedly connected with of case subassembly 3 adjusts pole 7, the cover is equipped with pressure release spring 8 on the case subassembly 3, the both ends of valve barrel 2 are provided with first elastic component 9 and second elastic component 10 respectively, the shunting groove 11 has been seted up to the inside wall of valve body 1.

The adjusting rod 7 penetrates through the valve body 1, the adjusting rod 7 is provided with a plug 16, the adjusting rod 7 is assembled with the valve body 1 into a whole through the plug 16, so that the valve core assembly 3 is convenient to adjust, the first elastic piece 9 and the second elastic piece 10 are respectively arranged on the inner side wall of the valve body 1, the valve sleeve 2 is respectively in elastic fit with the valve body 1 through the first elastic piece 9 and the second elastic piece 10, transverse impact can be better resisted, the oil pressure impact resistance of the flow distributing and collecting valve is improved, the reliability and the stability can be better ensured, the valve core assembly 3 comprises a left side valve core 301 and a right side valve core 302, one end of the left side valve core 301 is provided with a first buckle, one end of the right side valve core 302 is provided with a second buckle, the left side valve core 301 and the right side valve core 302 are integrally clamped through the first buckle and the second buckle, one side wall of the valve body 1 is provided with two flow distribution holes 12, the middle part of the valve body 1 is provided with a two-way pressure chamber 13, two ends of the flow adjusting groove 11 are respectively communicated with the two shunting holes 12, the flow adjusting groove 11 and the shunting holes 12 form a flow adjusting channel which can reduce pressure fluctuation and reduce pressure difference on the shunting holes 12 at two sides so as to improve the synchronous precision in a flow collecting state, the other side wall of the valve body 1 is provided with a flow collecting hole 14, the flow collecting hole 14 respectively forms an oil inlet channel with the bidirectional pressure chamber 13 and the input connector 4 so as to ensure oil inlet and oil collection, the two shunting holes 12 are respectively communicated with the bidirectional pressure chamber 13 and the two filter covers 5, the two shunting holes 12 respectively form an oil outlet channel with the two output connectors 6 so as to facilitate oil distribution and oil inlet, the surface of the filter cover 5 is in threaded connection with an inner hexagon nut 15, the inner hexagon nut 15 penetrates through one end of the filter cover 5 to tightly abut against the side wall of the valve body 1, the filter cover 5 can filter an oil passage so as to improve the safety of oil inlet and outlet, meanwhile, the disassembly, replacement and maintenance are convenient.

In summary, when the flow dividing and combining valve is used, the flow dividing and combining valve is installed in a hydraulic system, and under a flow dividing working condition, the left spool 301 and the right spool 302 are both located at positions away from the center, high-pressure oil enters the valve body 1 from the input connector 4, flows to the flow dividing holes 12 and the output connectors 6 on two sides in two ways, and then flows into two actuators, if the pressures of the loads of the two actuators are equal, the resistance met by the liquid flow is the same, and if the pressures of the loads on two sides are not equal, the pressures on the left side and the right side of the spool 2 are not equal. If the pressure on the left side is greater than the pressure on the right side, the spool assembly 3 moves to the right, and if the pressure on the right side is greater than the pressure on the left side, the spool assembly 3 moves to the left. When in a flow collecting working condition, liquid flows in through the output connector 6, the left valve core 301 and the right valve core 302 are close to the central position, the liquid flows in from the flow dividing hole 12 and flows back to the oil tank from the input connector 4 in a centralized manner, if the pressures of the loads of the two actuators are equal, the resistance met by the liquid flows is the same, if the load pressures on the two sides are not equal, the pressures borne by the left valve core 3012 and the right valve core 302 are not equal, if the pressure on the left side is greater than the pressure on the right side, the left valve core 301 moves rightwards, otherwise, if the pressure on the right side is greater than the pressure on the left side, the right valve core 302 moves leftwards, the valve core assembly 3 is sleeved on the valve sleeve 2, the stability of the valve core assembly 3 can be improved, and the lateral impact can be better resisted by matching with the pressure relief spring 8 on the basis of realizing the mutual connection between the left valve core 301 and the right valve core 302, the anti oil pressure impact's of reposition of redundant personnel collecting valve ability promotes, and reliability and stability can more obtain guaranteeing, and the filter mantle 5 can filter the oil duct, improves the security of oil business turn over, conveniently dismantles simultaneously and changes and maintain, and flow adjusting groove 11 founds the flow adjusting passageway and can reduce the pressure fluctuation, reduces the pressure differential on the both sides reposition of redundant personnel hole to improve the synchronous precision under the mass flow state.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flow dividing and collecting valve is characterized in that: including valve body (1), valve barrel (2) and case subassembly (3) set up in valve body (1), one side intercommunication of valve body (1) is provided with input joint (4), the opposite side demountable installation of valve body (1) has two filter mantles (5), the one end intercommunication of filter mantle (5) is provided with output joint (6), the case subassembly cover is established in valve barrel (2), the one end fixedly connected with of case subassembly (3) adjusts pole (7), the cover is equipped with pressure release spring (8) on case subassembly (3), the both ends of valve barrel (2) are provided with first elastic component (9) and second elastic component (10) respectively, the shunting groove (11) has been seted up to the inside wall of valve body (1).

2. The flow splitting and collecting valve according to claim 1, wherein: two shunting holes (12) are formed in one side wall of the valve body (1), a bidirectional pressure chamber (13) is formed in the middle of the valve body (1), two ends of the flow adjusting groove (11) are communicated with the two shunting holes (12) respectively, and the flow adjusting groove (11) and the shunting holes (12) form a flow adjusting channel.

3. A flow dividing and collecting valve according to claim 2, wherein: and a collecting hole (14) is formed in the other side wall of the valve body (1), and the collecting hole (14) and the two-way pressure chamber (13) and the input connector (4) form an oil inlet channel respectively.

4. A flow dividing and collecting valve according to claim 2, wherein: the two shunting holes (12) are respectively communicated with the two-way pressure chamber (13) and the two filter covers (5), and the two shunting holes (12) respectively form an oil outlet channel with the two output connectors (6).

5. The flow splitting and collecting valve according to claim 4, wherein: the surface of the filter cover (5) is in threaded connection with an inner hexagonal nut (15), and one end, penetrating into the filter cover (5), of the inner hexagonal nut (15) abuts against the side wall of the valve body (1).

6. The flow splitting and collecting valve according to claim 1, wherein: the adjusting rod (7) penetrates through the valve body (1), a plug (16) is installed on the adjusting rod (7), and the adjusting rod (7) is assembled with the valve body (1) into a whole through the plug (16).

7. The flow splitting and collecting valve according to claim 1, wherein: the valve sleeve is characterized in that the first elastic piece (9) and the second elastic piece (10) are respectively installed on the inner side wall of the valve body (1), and the valve sleeve (2) is elastically matched with the valve body (1) through the first elastic piece (9) and the second elastic piece (10).

8. The flow splitting and collecting valve according to claim 1, wherein: the valve core assembly (3) comprises a left valve core (301) and a right valve core (302), a first buckle is arranged at one end of the left valve core (301), a second buckle is arranged at one end of the right valve core (302), and the left valve core (301) and the right valve core (302) are integrally clamped through the first buckle and the second buckle.