CN207701995U - Coolant injection needle-valve quick coupling device - Google Patents
Coolant injection needle-valve quick coupling device Download PDFInfo
- Publication number
- CN207701995U CN207701995U CN201721875851.6U CN201721875851U CN207701995U CN 207701995 U CN207701995 U CN 207701995U CN 201721875851 U CN201721875851 U CN 201721875851U CN 207701995 U CN207701995 U CN 207701995U
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- CN
- China
- Prior art keywords
- compression bar
- pull rod
- valve
- needle
- coolant injection
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Abstract
The utility model discloses a kind of coolant injection needle-valve quick coupling devices, include mainly body, the first pull rod, the second pull rod, the first compression bar, the second compression bar, retaining ring；The body includes interconnecting piece, conducting portion, and interconnecting piece is disposed longitudinally on the middle part of conducting portion, and the both ends open of conducting portion, middle part are a via hole, and the front end of via hole is equipped with thimble, and thimble is connected with needle-valve；First compression bar, the second compression bar front end be flexibly connected respectively with the both ends of interconnecting piece, first pull rod, the second pull rod rear end be flexibly connected respectively with the middle part of the first compression bar, the second compression bar, first pull rod, the front end of the second pull rod and needle-valve are connected；The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.The utility model is simple in structure, simple, convenient, is easy to dismount Fast Installation and dismounting, it can be achieved that coolant injection needle-valve, coolant leakage amount greatly reduces.
Description
Technical field
The utility model is related to refrigeration technology fields, more particularly to a kind of coolant injection needle-valve quick coupling device.
Background technology
It is mainly formed with connecting tube with coolant charging connector in existing coolant injection mode, this kind of coolant injection mode
With following problem：First, during use, some may with coolant injection needle-valve or some coolant injection interfaces
When connection filling pipe fitting, or, because of the reasons such as unskilled or maloperation, occur when dismounting filling pipe fitting after the completion of filling
The phenomenon that liquid or a large amount of gaseous refrigerants flow out, the case where being easy to happen hand frostbite；Second is that carrying out coolant injection every time,
It needs to connect coolant injection pipe pipe fitting, and generally requires slowly to screw manually, working efficiency is low；Third, being completed in coolant injection
Afterwards, make refrigerant have certain leakage rate due to cannot be rapidly separated needle-valve and thimble, cause to waste.
Therefore it is urgent to provide a kind of novel coolant injection needle-valve quick coupling devices to solve the above problems.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of coolant injection needle-valve quick couplings simple in structure
Device can easily and fast dismount coolant injection needle-valve.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of coolant injection needle is provided
Valve quick coupling device includes mainly body, pull rod, compression bar, retaining ring；
The body includes interconnecting piece, conducting portion, and interconnecting piece is disposed longitudinally on the middle part of conducting portion, and the both ends of conducting portion are opened
Mouth, middle part are a via hole, and the front end of via hole is equipped with thimble, and thimble is connected with needle-valve；
The pull rod includes the first pull rod, the second pull rod；The compression bar includes the first compression bar, the second compression bar；
First compression bar, the second compression bar front end be flexibly connected respectively with the both ends of interconnecting piece, first pull rod,
The rear end of two pull rods is flexibly connected with the middle part of the first compression bar, the second compression bar respectively, first pull rod, the second pull rod front end
It is connected with needle-valve；
The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.
In one preferred embodiment of the utility model, the interconnecting piece is distinguished in bulk at the both ends in opposite sides face
Equipped with a boss, a pin hole is provided on each boss, for being flexibly connected with the first compression bar, the second compression bar.
In one preferred embodiment of the utility model, first pull rod and the second pull rod are L-shaped, including stock,
The end of quarter butt, stock is provided with a pin hole, and the end of quarter butt is semicircular arc；
The end of first pull rod and the second pull rod quarter butt is staggered relatively, and the middle through-hole for placing needle-valve is formed with this,
Position-limiting action is risen to needle-valve.
In one preferred embodiment of the utility model, the front of first compression bar and the second compression bar is U-shaped, including
Two holders, the end and middle part of two holders have a pin hole.
In one preferred embodiment of the utility model, the rear end of first compression bar is provided with a slot, the second compression bar
Rear end is provided with a through-hole, and the bottom end of the slot is opposite with the position of through-hole；
The retaining ring passes through the through-hole of the second compression bar to be fastened in the slot of the first compression bar.
Further, the bracket end of first compression bar is connected with two boss of interconnecting piece one side by pin interference
It connects；
The bracket end of second compression bar is connect with two boss of interconnecting piece another side by pin interference；
The end of the first pull rod stock is connect with the mid-stent of the first compression bar by pin interference respectively；
The end of the second pull rod stock is connect with the mid-stent of the second compression bar by pin interference respectively.
In one preferred embodiment of the utility model, the conducting portion is cylindrical in shape, and one end is equipped with and coolant connecting tube pipe
The external screw thread of connector flexible connection, another end opening are connected with needle-valve, are provided with and push up at the front-end port of via hole
The internal thread of needle flexible connection.
Further, it is provided with a counterbore at the conducting portion installation thimble, rubber ring is installed in counterbore, is not only acted as
The effect of hole and needle-valve is sealed and conducted, and there is certain cushioning effect to the installation of needle-valve.
The utility model has the beneficial effects that：
(1) the utility model is simple in structure, and coolant connecting tube is disposably installed by one end of body conducting portion, matches combined pressure
Bar completes the other end and coolant injection needle-valve Fast Installation of conducting portion with pull rod, you can realizes coolant injection, installation and removal
Needle-valve be connected thereto the speed of device faster, it is more efficient；
(2) the utility model is simple, convenient, is easy to dismount, and greatly reduces because operating personnel are unskilled or accidentally grasp
Make etc. some reasons and hand or the probability of other body part frostbite occurs；After the completion of coolant injection, needle-valve can with thimble
Quick separating so that coolant leakage amount greatly reduces.
Description of the drawings
Fig. 1 is the dimensional structure diagram of one preferred embodiment of the utility model coolant injection needle-valve quick coupling device；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the dimensional structure diagram under the coolant injection needle-valve quick coupling device opening state；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the dimensional structure diagram after the coolant injection needle-valve quick coupling device installation needle-valve；
Fig. 6 is the vertical view of Fig. 5；
Fig. 7 is the sectional view of Fig. 5；
The label of each component is as follows in attached drawing：1, body, 11, interconnecting piece, 111, boss, 12, conducting portion, 121, conducting
Hole, 122, external screw thread, 123, internal thread, 124, counterbore, 13, thimble, 14, rubber ring, the 21, first pull rod, 211, stock, 212,
Quarter butt, the 22, second pull rod, the 31, first compression bar, 311, holder, 312, slot, the 32, second compression bar, 321, through-hole, 4, retaining ring, 5,
Needle-valve, 6, pin hole, 7, pin.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
It please refers to Fig.1 to Fig.4, the utility model embodiment includes：
A kind of coolant injection needle-valve quick coupling device includes mainly body 1, pull rod, compression bar, retaining ring 4, the pull rod packet
Include the first pull rod 21, the second pull rod 22；The compression bar includes the first compression bar 31, the second compression bar 32.
The body 1 includes interconnecting piece 11, conducting portion 12, and interconnecting piece 11 is disposed longitudinally on the middle part of conducting portion 12, is connected
Portion 11 is structure as a whole with conducting portion 12.The conducting portion 12 is cylindrical in shape, and both ends open, middle part are a via hole 121, as system
The flow channel of cryogen.One end of conducting portion 12 is equipped with the external screw thread 122 being flexibly connected with coolant connecting tube pipe fitting, the other end
Opening is connected with needle-valve 5.The front end of via hole 121 is equipped with thimble 13, in the front-end port of via hole 121 is provided with
Screw thread 123, the rear end of thimble 13 is connect with 121 nose threads of via hole, front end and needle-valve 5 are connected.The thimble 13 exists
Spool that also can be in open-top needle-valve 5 while compressing body 1 and needle-valve 5, to welded coolant injection pipe and needle-valve 5
Unit built-in system communicates.
Preferably, the conducting portion 12 is installed and is provided with a counterbore 124 at thimble 13, and rubber ring is equipped in counterbore 124
14, the effect for sealing and conducting hole 121 and needle-valve 5 is not only acted as, and there is certain cushioning effect to the installation of needle-valve 5.
The interconnecting piece 11 is as shown in the figure cubic, it is convex to be respectively equipped with one at the both ends in opposite sides face in bulk
Platform 111 is provided with a pin hole 6 on each boss, for being flexibly connected with the first compression bar 31, the second compression bar 32.
In conjunction with Fig. 3, first pull rod 21 and the second pull rod 22 are L-shaped, including stock 211, quarter butt 212, stock 211
End have a pin hole 6, the end of quarter butt 212 is semicircular arc, and staggered relatively, and needle can be placed by being formed with this
The middle through-hole of valve 5 plays position-limiting action to needle-valve 5.
First compression bar 31 and the front of the second compression bar 32 are U-shaped, including two holders 311, two holders 311
End and middle part have a pin hole 6, and in a state of use, first compression bar 31 is parallel up and down with the second compression bar 32
State.The rear end of first compression bar 31 is provided with a slot 312, and the rear end of the second compression bar 32 is provided with a through-hole 321, described to slit
The bottom end of slot 312 is opposite with the position of through-hole 321, and the retaining ring 4 passes through the through-hole 321 of the second compression bar 32 to be fastened on the first compression bar
In 31 slot 312, play the role of fixing the first compression bar 31 and the second compression bar 32.When without using retaining ring 4, due to passing through
The through-hole 321 of two compression bars 32, it is therefore prevented that the loss of retaining ring 4.
Further, 311 end of holder of first compression bar 31 passes through pin with two boss 111 of 11 one side of interconnecting piece
Follow closely 7 interference connection；311 end of holder of second compression bar 32 passes through pin 7 with two boss 111 of 11 another side of interconnecting piece
Interference connects；The end of first pull rod, 21 stock 211 passes through 7 mistake of pin with 311 middle part of the holder of the first compression bar 31 respectively
It is full of connection；The end of second pull rod, 22 stock 211 passes through 7 interference of pin with 311 middle part of the holder of the second compression bar 32 respectively
Connection.Above-mentioned connection type makes the compression bar, pull rod and interconnecting piece 11 form a linkage structure, by the way that retaining ring 4 is fastened on institute
State the rear portion of the first compression bar 31 and the second compression bar 32, you can so that the first pull rod 21 and the front end of the second pull rod 22 is clasped needle-valve 5, beat
Retaining ring 4 is opened, discharges compression bar, compression bar drives the release of pull rod, and then completes the dismounting of needle-valve 5.
Fig. 5 to Fig. 7 is please referred to, when using the coolant injection needle-valve quick coupling device, first by coolant connecting tube pipe
Connector is screwed with the external screw thread 122 of 1 conducting portion of body, 12 left end and is connect, while coolant injection needle-valve 5 is directed at the top in body 1
Needle 13 is put into, and the copper pipe of 5 valve body of needle-valve is fastened by the end of 22 quarter butt 212 of the first pull rod 21 and the second pull rod, then backward
And the first compression bar 31 and the second compression bar 32 are pressed in opposite directions, after retaining ring 4 is finally fastened on the first compression bar 31 and the second compression bar 32
Portion completes the Fast Installation of needle-valve 5, realize the assembly of coolant injection interface, while the first compression bar 31 and second will not be made to press
Bar 32 causes refrigerant to leak because voluntarily loosening.
After the completion of coolant injection, by separating retaining ring 4 and the slot 312 of the first compression bar 31, the first compression bar is reversely pushed open
31 and second compression bar 32, you can the first pull rod 21 of release and the second pull rod 22, at this time needle-valve 5 quickly separated with body 1, realization
The separation of coolant injection interface and the present apparatus, and the thimble 13 inside body 1 makes coolant leakage due to being separated with needle-valve 5 rapidly
Amount can be less compared in the past.
The utility model is simple in structure, and coolant connecting tube is disposably installed by one end of 1 conducting portion 12 of body, matches combined pressure
Bar completes the other end and coolant injection needle-valve Fast Installation of conducting portion 12 with pull rod, you can realizes coolant injection, pacifies installation and dismantling
Unload needle-valve 5 be connected thereto the speed of device faster, it is more efficient；It is simple, convenient simultaneously, it is easy to dismount, greatly reduces
Hand or the probability of other body part frostbite occurs due to operating personnel are unskilled or some reasons such as maloperation；Coolant injection
After the completion, needle-valve 5 and thimble 13 being capable of quick separatings so that coolant leakage amount greatly reduces.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (8)
1. a kind of coolant injection needle-valve quick coupling device, which is characterized in that include mainly body, pull rod, compression bar, retaining ring；
The body includes interconnecting piece, conducting portion, and interconnecting piece is disposed longitudinally on the middle part of conducting portion, the both ends open of conducting portion,
Middle part is a via hole, and the front end of via hole is equipped with thimble, and thimble is connected with needle-valve；
The pull rod includes the first pull rod, the second pull rod；The compression bar includes the first compression bar, the second compression bar；
First compression bar, the second compression bar front end be flexibly connected respectively with the both ends of interconnecting piece, first pull rod, second draw
The rear end of bar is flexibly connected with the middle part of the first compression bar, the second compression bar respectively, first pull rod, the front end of the second pull rod and needle
Valve is connected；
The retaining ring is fastened on the rear portion of first compression bar and the second compression bar.
2. coolant injection needle-valve quick coupling device according to claim 1, which is characterized in that the interconnecting piece is in block
Shape is respectively equipped with a boss at the both ends in opposite sides face, a pin hole is provided on each boss.
3. coolant injection needle-valve quick coupling device according to claim 1, which is characterized in that first pull rod and
Two pull rods are L-shaped, including stock, quarter butt, and the end of stock is provided with a pin hole, and the end of quarter butt is semicircular arc；
The end of first pull rod and the second pull rod quarter butt is staggered relatively, and the middle through-hole for placing needle-valve is formed with this.
4. coolant injection needle-valve quick coupling device according to claim 1, which is characterized in that first compression bar and
The front of two compression bars is U-shaped, including two holders, and the end and middle part of two holders have a pin hole.
5. coolant injection needle-valve quick coupling device according to claim 1, which is characterized in that after first compression bar
End is provided with a slot, and the rear end of the second compression bar is provided with a through-hole, and the bottom end of the slot is opposite with the position of through-hole；
The retaining ring passes through the through-hole of the second compression bar to be fastened in the slot of the first compression bar.
6. coolant injection needle-valve quick coupling device according to any one of claims 1 to 5, which is characterized in that
The bracket end of first compression bar is connect with two boss of interconnecting piece one side by pin interference；
The bracket end of second compression bar is connect with two boss of interconnecting piece another side by pin interference；
The end of the first pull rod stock is connect with the mid-stent of the first compression bar by pin interference respectively；
The end of the second pull rod stock is connect with the mid-stent of the second compression bar by pin interference respectively.
7. coolant injection needle-valve quick coupling device according to claim 1, which is characterized in that the conducting portion is in cylinder
Shape, one end are equipped with the external screw thread being flexibly connected with coolant connecting tube pipe fitting, and another end opening is connected with needle-valve, is being connected
It is provided with the internal thread being flexibly connected with thimble at the other end port in hole.
8. coolant injection needle-valve quick coupling device according to claim 1 or claim 7, which is characterized in that the conducting portion peace
It is provided with a counterbore at dress thimble, rubber ring is installed in counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875851.6U CN207701995U (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875851.6U CN207701995U (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701995U true CN207701995U (en) | 2018-08-07 |
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ID=63029557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721875851.6U Expired - Fee Related CN207701995U (en) | 2017-12-27 | 2017-12-27 | Coolant injection needle-valve quick coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006349A (en) * | 2017-12-27 | 2018-05-08 | 科希曼电器有限公司 | Coolant injection needle-valve quick coupling device |
-
2017
- 2017-12-27 CN CN201721875851.6U patent/CN207701995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006349A (en) * | 2017-12-27 | 2018-05-08 | 科希曼电器有限公司 | Coolant injection needle-valve quick coupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181227 |