CN203770281U - Throttle valve - Google Patents

Throttle valve Download PDF

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Publication number
CN203770281U
CN203770281U CN201420191695.1U CN201420191695U CN203770281U CN 203770281 U CN203770281 U CN 203770281U CN 201420191695 U CN201420191695 U CN 201420191695U CN 203770281 U CN203770281 U CN 203770281U
Authority
CN
China
Prior art keywords
valve
mounting holes
oil
throttle valve
bolt mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420191695.1U
Other languages
Chinese (zh)
Inventor
胡钱江
金黎明
祝金窗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO ZHANHAI HUALI HYDRAULIC ELECTROMECHANICAL CO Ltd
Original Assignee
NINGBO ZHANHAI HUALI HYDRAULIC ELECTROMECHANICAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO ZHANHAI HUALI HYDRAULIC ELECTROMECHANICAL CO Ltd filed Critical NINGBO ZHANHAI HUALI HYDRAULIC ELECTROMECHANICAL CO Ltd
Priority to CN201420191695.1U priority Critical patent/CN203770281U/en
Application granted granted Critical
Publication of CN203770281U publication Critical patent/CN203770281U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a throttle valve which comprises a valve body, wherein bolt mounting holes are formed in the two ends of the valve body; regulation bolts are in threaded connection with the interiors of the bolt mounting holes; throttle valve elements are arranged on the end parts of the regulation bolts; valve cavities are formed in the bottom surfaces of the bolt mounting holes; the head parts of the throttle valve elements extend into the valve cavities; oil inlets and oil outlets extending out of the valve body are formed in the sidewalls of the valve cavities; first oil guide holes are formed between the oil inlets and the bottom surfaces of the valve cavities; second oil guide holes are formed between the oil outlets and the bolt mounting holes; a base plate is arranged at the oil outlets; a sealing ring is arranged on the base plate. The throttle valve is simple in structure, convenient to assemble, and long in service life, facilitates the improvement of the production efficiency, can be conveniently arranged in an oil path and stably runs, and has good throttle effects.

Description

A kind of throttle valve
Technical field
The utility model relates to a kind of valve, particularly a kind of throttle valve.
Background technique
Throttle valve is by changing throttling cross section or chock length to control the valve of fluid flow.By throttle valve and one-way valve parallel connection capable of being combined become one-way throttle valve.Throttle valve and one-way throttle valve are easy flow control valves, and in hydraulic system with constant displacement pump, throttle valve and relief valve coordinate, and can form three kinds of Metering Flow Control Circuits, i.e. in-line Metering Flow Control Circuits, oil circuit Metering Flow Control Circuits and bypass throttling speed governing system.Traditional throttle-valve structure complexity, inconvenience is installed, and restriction effect is poor, affects the stable operation of oil-way system.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of throttle valve of simple in structure, easy for installation and good throttle effect.
(2) technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of throttle valve, comprise valve body 1, the two ends of described valve body 1 all offer bolt mounting holes 101, in described bolt mounting holes 101, be threaded connection adjusting bolt 2, the end of described adjusting bolt 2 is provided with throttling valve core 3, the bottom surface of described bolt mounting holes 101 offers valve pocket 102, the head of described throttling valve core 3 extends in described valve pocket 102, the sidewall of described valve pocket 102 offers the filler opening 103 and the oil outlet 104 that extend to outside described valve body 1, between described filler opening 103 and the bottom surface of described valve pocket 102, be provided with the first oil guiding hole 105, between described oil outlet 104 and described bolt mounting holes 101, be provided with the second oil guiding hole 106, described oil outlet 104 is provided with backing plate 4, described backing plate 4 is provided with seal ring.
Further, the end face of described adjusting bolt 2 offers spool mounting hole 201, the sidewall of described spool mounting hole 201 offers annular groove 202, in described annular groove 202, Steel Cable Baffle Ring 5 is installed, sliding the fitting in described spool mounting hole 201 of described throttling valve core 3, the sidewall of described throttling valve core 3 is provided with backstop step, and described backstop step contacts with described Steel Cable Baffle Ring 5, in described spool mounting hole 201, be provided with spring 6, described spring 6 contacts with the end of described throttling valve core 3.
Further, offer the 3rd oil guiding hole 301 in described throttling valve core 3, described the 3rd oil guiding hole 301 is communicated with described bolt mounting holes 101 and spool mounting hole 201.
Further, the step surface of described backstop step is inclined-plane.
Further, between described adjusting bolt 2 and described bolt mounting holes, be provided with seal ring.
(3) beneficial effect
The utility model throttle valve, simple in structure, easy to assembly, be beneficial to and enhance productivity, and be convenient to install in oil circuit, stable, good throttle effect, long service life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model throttle valve;
Fig. 2 is the structural representation of the valve body of the utility model throttle valve;
Fig. 3 is the structural representation of the adjusting bolt of the utility model throttle valve.
Embodiment
Consult Fig. 1~Fig. 3, the utility model provides a kind of throttle valve, comprise valve body 1, in the present embodiment, valve body entirety is rectangular structure, two ends at valve body 1 all offer bolt mounting holes 101, in bolt mounting holes 101, be threaded connection adjusting bolt 2, for the ease of regulating, this adjusting bolt is hexagon socket head cap screw, be provided with throttling valve core 3 in the end of adjusting bolt 2, offer valve pocket 102 in the bottom surface of bolt mounting holes 101, and the head of throttling valve core 3 extends in valve pocket 102, offer at the sidewall of valve pocket 102 filler opening 103 and the oil outlet 104 that extend to outside valve body 1, between filler opening 103 and the bottom surface of valve pocket 102, be provided with the first oil guiding hole 105, this first oil guiding hole can be given 3 one axial power of throttling valve core, prevent that throttling valve core is stuck, between oil outlet 104 and bolt mounting holes 101, be provided with the second oil guiding hole 106, on oil outlet 104, be provided with backing plate 4, on this backing plate 4, be provided with seal ring, in the present embodiment, offer spool mounting hole 201 at the end face of adjusting bolt 2, offer annular groove 202 at the sidewall of spool mounting hole 201, in this annular groove 202, Steel Cable Baffle Ring 5 is installed, throttling valve core 3 is sliding to be fitted in spool mounting hole 201, be provided with backstop step at the sidewall of throttling valve core 3, in order to improve backstop stability, in the present embodiment, the step surface of stop surface is inclined-plane, and this backstop step contacts with Steel Cable Baffle Ring 5, play backstop action, in spool mounting hole 201, be provided with spring 6, spring 6 contacts with the end of throttling valve core 3, make the movement tendency of its oriented valve pocket direction, in order to improve stable performance, in throttling valve core 3, offer the 3rd oil guiding hole 301, the three oil guiding holes 301 and be communicated with bolt mounting holes 101 and spool mounting hole 201, in order to improve sealability, between adjusting bolt 2 and bolt mounting holes, be provided with seal ring.
The utility model throttle valve, simple in structure, easy to assembly, be beneficial to and enhance productivity, and be convenient to install in oil circuit, stable, good throttle effect, long service life.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. a throttle valve, it is characterized in that: comprise valve body (1), the two ends of described valve body (1) all offer bolt mounting holes (101), in described bolt mounting holes (101), be threaded connection adjusting bolt (2), the end of described adjusting bolt (2) is provided with throttling valve core (3), the bottom surface of described bolt mounting holes (101) offers valve pocket (102), the head of described throttling valve core (3) extends in described valve pocket (102), the sidewall of described valve pocket (102) offers and extends to described valve body (1) outer filler opening (103) and oil outlet (104), between the bottom surface of described filler opening (103) and described valve pocket (102), be provided with the first oil guiding hole (105), between described oil outlet (104) and described bolt mounting holes (101), be provided with the second oil guiding hole (106), described oil outlet (104) is provided with backing plate (4), described backing plate (4) is provided with seal ring.
2. throttle valve as claimed in claim 1, it is characterized in that: the end face of described adjusting bolt (2) offers spool mounting hole (201), the sidewall of described spool mounting hole (201) offers annular groove (202), Steel Cable Baffle Ring (5) is installed in described annular groove (202), described throttling valve core (3) is sliding to be fitted in described spool mounting hole (201), the sidewall of described throttling valve core (3) is provided with backstop step, described backstop step contacts with described Steel Cable Baffle Ring (5), in described spool mounting hole (201), be provided with spring (6), described spring (6) contacts with the end of described throttling valve core (3).
3. throttle valve as claimed in claim 2, is characterized in that: in described throttling valve core (3), offer the 3rd oil guiding hole (301), described the 3rd oil guiding hole (301) is communicated with described bolt mounting holes (101) and spool mounting hole (201).
4. throttle valve as claimed in claim 2, is characterized in that: the step surface of described backstop step is inclined-plane.
5. throttle valve as claimed in claim 1, is characterized in that: between described adjusting bolt (2) and described bolt mounting holes, be provided with seal ring.
CN201420191695.1U 2014-04-18 2014-04-18 Throttle valve Expired - Fee Related CN203770281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420191695.1U CN203770281U (en) 2014-04-18 2014-04-18 Throttle valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420191695.1U CN203770281U (en) 2014-04-18 2014-04-18 Throttle valve

Publications (1)

Publication Number Publication Date
CN203770281U true CN203770281U (en) 2014-08-13

Family

ID=51287476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420191695.1U Expired - Fee Related CN203770281U (en) 2014-04-18 2014-04-18 Throttle valve

Country Status (1)

Country Link
CN (1) CN203770281U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114385A (en) * 2015-08-14 2015-12-02 马鞍山唐拓凿岩机械有限公司 Double-hydraulic-control one-way pressure release valve
CN107956902A (en) * 2017-10-27 2018-04-24 江西省唯欣高科精密五金有限公司 Throttle valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114385A (en) * 2015-08-14 2015-12-02 马鞍山唐拓凿岩机械有限公司 Double-hydraulic-control one-way pressure release valve
CN107956902A (en) * 2017-10-27 2018-04-24 江西省唯欣高科精密五金有限公司 Throttle valve
CN107956902B (en) * 2017-10-27 2024-05-03 江西省唯欣高科油压科技股份有限公司 Throttle valve

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140813

Termination date: 20150418

EXPY Termination of patent right or utility model