CN201940114U - Filter - Google Patents

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Publication number
CN201940114U
CN201940114U CN2011200245674U CN201120024567U CN201940114U CN 201940114 U CN201940114 U CN 201940114U CN 2011200245674 U CN2011200245674 U CN 2011200245674U CN 201120024567 U CN201120024567 U CN 201120024567U CN 201940114 U CN201940114 U CN 201940114U
Authority
CN
China
Prior art keywords
capping
spring
valve
spool
sealing cover
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
CN2011200245674U
Other languages
Chinese (zh)
Inventor
金宗民
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 Yongxiang Copper Pipeline Co Ltd
Original Assignee
Ningbo Yongxiang Copper Pipeline 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 Yongxiang Copper Pipeline Co Ltd filed Critical Ningbo Yongxiang Copper Pipeline Co Ltd
Priority to CN2011200245674U priority Critical patent/CN201940114U/en
Application granted granted Critical
Publication of CN201940114U publication Critical patent/CN201940114U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a filter, which comprises a valve (1), a filter screen (2) and a sealing cover (3) screwed on the valve (1). The sealing cover (3) includes a valve spool (31), a valve cover (32) and a spring (33); the valve cover (32) is screwed on the sealing cover (3); the valve spool (31) is arranged in an inner cavity of the sealing cover (3); the spring (33) is arranged in the sealing cover (3); one end of the spring (33) is abutted to the valve spool; a clamp ring (35) is further arranged on an inner stepped surface of the sealing cover (3); the inner diameter of the clamp ring (35) is smaller than the bore diameter of an inner stepped hole of the sealing cover (3); and the other end of the spring (33) is abutted to the end face of the clamp ring (35). The spring of the filter is prevented from falling off, and the sealing performance of the sealing cover is ensured.

Description

Filter
Technical field
The utility model relates to the valve technology field, specifically is a kind of filter.
Background technology
Filter is the indispensable a kind of device of the pipe-line system of pumped (conveying) medium; usually be installed on the entrance point of equipment such as hydraulic control valve, pressure-reducing valve, relief valve, Valve for keeping constant water level; be used for eliminating the impurity in the medium; prevent graininess impurity admission passage; result in blockage, avoid wearing and tearing and obstruction with the accessory on the protection equipment pipe.When need cleaning, as long as the removable filter net is taken out, reload after the processing and get final product, therefore, working service is very convenient.
The filter bag holder valve body of prior art, screen pack, capping, described valve body is provided with water inlet and delivery port, and the sidepiece of valve body is provided with and the extraneous cavity that communicates and communicate with the inner chamber of water inlet and delivery port; Screen pack is located in the cavity of valve body, and capping is located at the outer end of screen pack, and capping screws on valve body.This capping comprises spool, spring, valve gap, connecting band; Valve gap and capping screw, and spool is located at the inner chamber of capping, and this spring is tapered, the projection of an end of an end socket and spool, and the interior step surface of the other end and capping offsets, and makes spool paste mutually and seal with capping all the time by spring like this.There is following shortcoming in the filter of above prior art: because the spring of capping is the interior step surface that directly is against capping, and the radial width of interior step surface is not enough, spring comes off from interior step surface easily, thereby causes spool and capping not to fit, thereby influences the sealing property of capping.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of spring that prevents to come off, guarantee the filter of capping sealing property.
The technical solution of the utility model is, a kind of filter with following structure is provided, bag holder valve body, screen pack, capping, and described capping screws on valve body, and spool, valve gap, spring are drawn together in described capping; Described valve gap screws in capping, and described spool is located at the inner chamber of capping, and described spring is located in the capping, and described spring one end and spool offset; Also be provided with collar on the interior step surface of described capping, the internal diameter of described collar is less than the aperture of the interior stepped hole of capping, and the end face of the described spring other end and collar 35 offsets.
After adopting said structure, the utility model compared with prior art, have the following advantages: owing to also be provided with collar on the interior step surface of described capping, the internal diameter of described collar is less than the aperture of the interior stepped hole of capping, increased the contact-making surface of spring and collar like this, prevent that spring from coming off from the step surface of capping, spool and capping are posted, can guarantee the sealing property of capping.
Description of drawings
Figure is the cross-sectional view of the utility model filter.
Shown in the figure, 1, valve body, 2, screen pack, 3, capping, 31, spool, 32, valve gap, 33, spring, 34, collar.
The specific embodiment
Below in conjunction with accompanying drawing the utility model filter is described further.
As shown in the figure, filter of the present utility model, bag holder valve body 1, screen pack 2, capping 3, described capping 3 screws on valve body 1, and described capping 3 comprises spool 31, valve gap 32, spring 33; Described valve gap 32 screws in capping 3, and described spool 31 is located at the inner chamber of capping 3, and described spring 33 is located in the capping 3, and described spring 33 1 ends and spool offset; It is characterized in that: also be provided with collar 35 on the interior step surface of described capping 3, the internal diameter of described collar 35 is less than the aperture of the interior stepped hole of capping 3, and the end face of described spring 33 other ends and collar 35 offsets.

Claims (1)

1. a filter wraps holder valve body (1), screen pack (2), capping (3), and described capping (3) screws on valve body (1), and described capping (3) comprises spool (31), valve gap (32), spring (33); Described valve gap (32) screws in capping (3), and described spool (31) is located at the inner chamber of capping (3), and described spring (33) is located in the capping (3), and described spring (33) one ends and spool offset; It is characterized in that: also be provided with collar (35) on the interior step surface of described capping (3), the internal diameter of described collar (35) is less than the aperture of the interior stepped hole of capping (3), and the end face of described spring (33) other end and collar (35) offsets.
CN2011200245674U 2011-01-20 2011-01-20 Filter Expired - Fee Related CN201940114U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200245674U CN201940114U (en) 2011-01-20 2011-01-20 Filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200245674U CN201940114U (en) 2011-01-20 2011-01-20 Filter

Publications (1)

Publication Number Publication Date
CN201940114U true CN201940114U (en) 2011-08-24

Family

ID=44467467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200245674U Expired - Fee Related CN201940114U (en) 2011-01-20 2011-01-20 Filter

Country Status (1)

Country Link
CN (1) CN201940114U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949108A (en) * 2014-05-05 2014-07-30 杨元清 U-shaped filter
CN106870757A (en) * 2017-03-31 2017-06-20 雷纳德流体智能科技江苏股份有限公司 A kind of Filtering ball valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949108A (en) * 2014-05-05 2014-07-30 杨元清 U-shaped filter
CN106870757A (en) * 2017-03-31 2017-06-20 雷纳德流体智能科技江苏股份有限公司 A kind of Filtering ball 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: 20110824

Termination date: 20160120

EXPY Termination of patent right or utility model