CN206770668U - Band eardrum connects formula hand rotary valve - Google Patents

Abstract

The disclosed band eardrum of the utility model connects formula hand rotary valve, including valve body, bonnet, rotational valve core, rotary shaft and handle, valve body is fixedly connected with bonnet, formed with valve pocket between valve body and bonnet, rotational valve core is in valve pocket, and the bottom of rotational valve core coordinates with valve body sliding, compact heap is additionally provided with valve pocket, the bottom of compact heap is fixedly connected with rotational valve core, supported between the top of compact heap and bonnet and be provided with holddown spring, the bottom of rotary shaft is connected with rotational valve core, and the upper end of rotary shaft is fixedly linked through bonnet and with handle；Mounting lug is extended with valve body periphery wall, the bottom spaced set of valve body has the air inlet connected respectively with valve pocket, the first working hole, the second working hole and exhaust outlet, the bottom of rotational valve core is provided with deep-slotted chip breaker, and air inlet, the first working hole, the second working hole, exhaust outlet and deep-slotted chip breaker are located at same circumference.The utility model is simple and reasonable, is easily assembled, saves installing space, be easy to use.

Description

Band eardrum connects formula hand rotary valve

Technical field

Valve class technical field is the utility model is related to, more particularly to a kind of band eardrum connects formula hand rotary valve.

Background technology

Hand rotary valve is a kind of widely used valve part, and its principle is that had by the rotational valve core set in valve body Via hole rotated under the driving of rotational handle relative to valve body and realize the conducting and closing of valve.It for details, reference can be made to such as application number For a kind of 3-position 4-way hand rotary valve disclosed in 201520887566.0, also can be found in as Application No. 201120501614.X is disclosed A kind of hand rotary valve.At present on the market common hand rotary valve the defects of be：Firstth, because mounting structure setting is unreasonable, lead Cause assembly difficulty larger；Second, air inlet, working hole and exhaust outlet are normally located at the surrounding of valve body, cause connecting line When can take larger installing space；3rd, due to valve body structure set it is unreasonable, cause hand rotary valve install when in use it is fixed compared with For inconvenience, user's use is influenceed.

Utility model content

The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple and reasonable, easy Formula hand rotary valve is connect in assembling, saving installing space, band eardrum easy to use.

To achieve the above object, the utility model uses following technical scheme.

Band eardrum described in the utility model connects formula hand rotary valve, including valve body, bonnet, rotational valve core, rotary shaft and handle, The valve body is fixedly connected with the bonnet, is located between the valve body and the bonnet formed with valve pocket, the rotational valve core In the valve pocket, and the bottom of the rotational valve core coordinates with valve body sliding, and compact heap is additionally provided with the valve pocket, The bottom of the compact heap is fixedly connected with the rotational valve core, supports being provided with pressure between the top of the compact heap and the bonnet Tight spring, the bottom of the rotary shaft and the rotational valve core are connected, the upper end of the rotary shaft through the bonnet and It is fixedly linked with the handle；Mounting lug is extended with the valve body periphery wall, the bottom spaced set of the valve body has Air inlet, the first working hole, the second working hole and the exhaust outlet connected respectively with the valve pocket, the bottom of the rotational valve core is set There is deep-slotted chip breaker, the air inlet, first working hole, second working hole, the exhaust outlet and the deep-slotted chip breaker are located at Same circumference.

Further, the bottom of the compact heap is provided with some projections, the top of the rotational valve core be provided with it is some with The groove that the raised grafting coordinates.

Further, the center of the rotational valve core and the compact heap is equipped with the side coordinated with rotary shaft transmission Hole.

Further, the top of the bonnet is provided with some locating slots along the handle rotation direction, is set in the handle There is blind hole, the steel ball coordinated with the locating slot is provided with the blind hole, support being provided with positioning between the steel ball and the handle Spring.

Further, the bonnet inwall is embedded with the sealing ring coordinated with the rotating shaft-seal.

The beneficial effects of the utility model are：Hand rotary valve provided by the utility model, by setting compact heap and compressing bullet Spring, coordinated using holddown spring and compact heap, realize the axial compression to rotational valve core, it is ensured that rotational valve core and valve body it is tight Contiguity is touched so that the utility model assembling is more convenient；By setting mounting lug in the periphery of valve body, when in use, utilize Mounting lug can be realized to be fixed to installation of the present utility model, and is dismantled also more convenient；By by air inlet, the first work Make the bottom that mouth, the second working hole and exhaust outlet may be contained within valve body, pipeline effectively can be concentrated on valve body by pipeline when connecting Bottom, so as to be advantageous to save installing space.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model.

Fig. 2 is the utility model entirety closed mode schematic diagram.

Fig. 3 is a kind of the utility model integrally working state schematic representation.

Fig. 4 is the utility model integrally another working state schematic representation.

In Fig. 1-4：1st, valve body；11st, mounting lug；2nd, bonnet；21st, sealing ring；3rd, rotational valve core；31st, deep-slotted chip breaker；32、 Square hole；4th, rotary shaft；5th, handle；51st, blind hole；52nd, steel ball；53rd, retaining spring；6th, valve pocket；7th, compact heap；71st, it is raised；8th, press Tight spring；P, air inlet；A, the first working hole；B, the second working hole；R, exhaust outlet.

Embodiment

The utility model is further described below in conjunction with the accompanying drawings.

Band eardrum as shown in Figures 1 to 4 connects formula hand rotary valve, including valve body 1, bonnet 2, rotational valve core 3, rotary shaft 4 and Handle 5, valve body 1 are fixedly connected with bonnet 2, are located between valve body 1 and bonnet 2 formed with valve pocket 6, rotational valve core 3 in valve pocket 6, And the bottom of rotational valve core 3 coordinates with the sliding of valve body 1, and compact heap 7, the bottom of compact heap 7 and rotation are additionally provided with valve pocket 6 Valve element 3 is fixedly connected, and supports being provided with holddown spring 8, the bottom of rotary shaft 4 and rotational valve core between the top of compact heap 7 and bonnet 2 3 drive connections, the upper end of rotary shaft 4 are fixedly linked through bonnet 2 and with handle 5.

Mounting lug 11 is extended with the periphery wall of valve body 1, the bottom spaced set of valve body 1 has to be connected with valve pocket 6 respectively Air inlet P, the first working hole A, the second working hole B and exhaust outlet R, the bottom of rotational valve core 3 is provided with deep-slotted chip breaker 31, air inlet P, the first working hole A, the second working hole B, exhaust outlet R and deep-slotted chip breaker 31 are located at same circumference.In the present embodiment, air inlet P with For exhaust outlet R in being oppositely arranged, the first working hole A and the second working hole B is in be oppositely arranged.

Hand rotary valve provided by the utility model, by setting compact heap 7 and holddown spring 8, using holddown spring 8 with compressing Block 7 coordinates, and realizes the axial compression to rotational valve core 3, it is ensured that the close contact of rotational valve core 3 and valve body 1 so that this practicality New assembling is more convenient；, when in use, can be with using mounting lug 11 by setting mounting lug 11 in the periphery of valve body 1 Realize and installation of the present utility model is fixed, and dismantle also more convenient；By by air inlet P, the first working hole A, second Working hole B and exhaust outlet R may be contained within the bottom of valve body 1, and pipeline effectively can concentrate on pipeline the bottom of valve body 1 when connecting Portion, so as to be advantageous to save installing space.

In order that compact heap 7 is connected more firm with rotational valve core 3, the bottom of compact heap 7 is provided with some raised 71, turns The top of movable valve plug 3 is provided with some grooves coordinated with raised 71 grafting.

The center of rotational valve core 3 and compact heap 7 is equipped with the square hole 32 coordinated with the transmission of rotary shaft 4, by using square hole Drive mechanism so that the linkage effect between rotary shaft 4 and rotational valve core 3 is more preferable, and linkage precision is higher.

The top of bonnet 2 is provided with some locating slots along the rotation direction of handle 5, specifically, in the present embodiment, locating slot Quantity has three, and blind hole 51 is provided with handle 5, is provided with the steel ball 52 coordinated with locating slot in blind hole 51, steel ball 52 and handle 5 it Between support be provided with retaining spring 53, when rotational handle 5 with drive rotational valve core 3 progress gas circuit switching when, steel ball 52 also can be with handle 5 Move and be caught in into corresponding locating slot, so as to play the effect of gear.

The inwall of bonnet 2 is embedded with the sealing ring 21 coordinated with the sealing of rotary shaft 4, sets sealing ring 21, it is ensured that in valve pocket 6 The air-tightness in portion, avoid the generation of gas leak phenomenon.

During utility model works, under original state（I.e. handle 5 is located at the centre position of bonnet 2）, referring to Fig. 2, now enter Gas port P, the first working hole A, the second working hole B and exhaust outlet R are not turned on, and the utility model is closed；When to valve When handle 5 is pulled in the left side of lid 2, referring to Fig. 3, the synchronous axial system under the driving of rotary shaft 4 of rotational valve core 3, the bottom of rotational valve core 3 The also synchronous axial system of deep-slotted chip breaker 31 so that air inlet P communicates with the first working hole A, and the second working hole B communicates with exhaust outlet R；When When pulling handle 5 to the right side of bonnet 2, referring to Fig. 4, the synchronous axial system under the driving of rotary shaft 4 of rotational valve core 3, rotational valve core 3 The deep-slotted chip breaker 31 of bottom also synchronous axial system so that air inlet P communicates with the second working hole B, the first working hole A and exhaust outlet R phases It is logical, so as to can be effectively to carry out gas circuit switching.

Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent application range The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.

Claims (5)

1. band eardrum connects formula hand rotary valve, including valve body, bonnet, rotational valve core, rotary shaft and handle, the valve body and the bonnet It is fixedly connected, is located between the valve body and the bonnet formed with valve pocket, the rotational valve core in the valve pocket, and it is described The bottom of rotational valve core coordinates with valve body sliding, it is characterised in that：Compact heap, the compression are additionally provided with the valve pocket The bottom of block is fixedly connected with the rotational valve core, supports being provided with holddown spring between the top of the compact heap and the bonnet, The bottom of the rotary shaft and the rotational valve core are connected, the upper end of the rotary shaft through the bonnet and with the hand Handle is fixedly linked；Be extended with mounting lug on the valve body periphery wall, the bottom spaced set of the valve body have respectively with institute Air inlet, the first working hole, the second working hole and the exhaust outlet of valve pocket connection are stated, the bottom of the rotational valve core is provided with arc Groove, the air inlet, first working hole, second working hole, the exhaust outlet and the deep-slotted chip breaker are located at same circle Week.

2. band eardrum according to claim 1 connects formula hand rotary valve, it is characterised in that：If the bottom of the compact heap is provided with Dry projection, the top of the rotational valve core are provided with some grooves coordinated with the raised grafting.

3. band eardrum according to claim 1 connects formula hand rotary valve, it is characterised in that：The rotational valve core and the compact heap Center be equipped with the rotary shaft transmission coordinate square hole.

4. band eardrum according to claim 1 connects formula hand rotary valve, it is characterised in that：The top of the bonnet is along the handle Rotation direction is provided with some locating slots, and blind hole is provided with the handle, the steel coordinated with the locating slot is provided with the blind hole Pearl, supported between the steel ball and the handle and be provided with retaining spring.

5. band eardrum according to claim 1 connects formula hand rotary valve, it is characterised in that：The bonnet inwall be embedded with it is described The sealing ring that rotating shaft-seal coordinates.