CN210318895U - Anti-mistaken-disassembly and anti-loosening device - Google Patents
Anti-mistaken-disassembly and anti-loosening device Download PDFInfo
- Publication number
- CN210318895U CN210318895U CN201920902135.5U CN201920902135U CN210318895U CN 210318895 U CN210318895 U CN 210318895U CN 201920902135 U CN201920902135 U CN 201920902135U CN 210318895 U CN210318895 U CN 210318895U
- Authority
- CN
- China
- Prior art keywords
- nut
- loosening
- thread part
- thread
- external thread
- 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.)
- Active
Links
Images
Landscapes
- Joints With Pressure Members (AREA)
Abstract
A device for preventing mistaken disassembly and loosening comprises a pipe joint, a connecting pipe nut and a connecting pipe, wherein the pipe joint is provided with an external thread part, a frustum-shaped pressing part and a hexagonal part for rotating a rotating tool, the connecting pipe nut comprises an internal thread part, a frustum-shaped part and a pipe hole part, and the external thread part on the pipe joint is a right-handed screw; the inner thread part of the adapter nut is a right-hand thread; the anti-misoperation and anti-loosening nut is also included; an external thread part is arranged on the outer circumferential surface of the adapter nut; the anti-misoperation and anti-loosening nut is screwed with the external thread part of the adapter nut. Due to the adoption of the pipeline connecting structure, the anti-misoperation and anti-loosening nut is screwed with the connecting pipe nut to form the anti-misoperation and anti-loosening device, so that the connecting pipe nut and the joint part are prevented from loosening; during the dismantlement, control screw-thread fit and form relative reverse motion, prevent that the mistake is torn open and prevent that the pine takes off the nut and rotate earlier, and the takeover nut is motionless, plays warning and warning effect, realizes preventing mistake and tears open.
Description
Technical Field
The utility model belongs to the technical field of a stop valve and refrigeration pipeline connected system technical field for refrigeration air conditioner and specifically relates to a nut prevents mistake and tears structure device that prevents the pine and take off.
Background
In the prior art, as shown in fig. 1, a joint connection device includes a pipe joint 1, a pipe connection nut 2 and a connection pipe 3, wherein the pipe joint 1 is provided with an external thread portion 11, a frustum-shaped pressing portion 12 and a hexagonal portion 13 for rotating a rotary tool, the pipe connection nut 2 includes an internal thread portion 21, a frustum-shaped portion 22 and a pipe hole portion 23, a connection end of the connection pipe 3 is provided with a flared opening 31, the flared opening 31 is matched with the frustum-shaped pressing portion 12 and the frustum-shaped portion 22, and the connection pipe 3 extends through the pipe hole portion 23. There are problems: whether the maintenance personnel or the ordinary personnel of the consumers can disassemble the adapter nut only by a wrench.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a prevent mistake and tear open and prevent pine take-off device, it has the characteristics of preventing mistake and tearing open and reminding.
The utility model discloses a realize like this: a device for preventing mistaken disassembly and loosening comprises a pipe joint, a connecting pipe nut and a connecting pipe, wherein the pipe joint is provided with an external thread part, a frustum-shaped pressing part and a hexagonal part for rotating a rotating tool; it is characterized in that: the external thread part on the pipe joint is a right-handed screw; the inner thread part of the adapter nut is a right-hand thread;
the anti-misoperation and anti-loosening nut is also included;
an external thread part is arranged on the outer circumferential surface of the adapter nut;
the anti-misoperation and anti-loosening nut is screwed with the external thread part of the adapter nut.
The anti-misoperation and anti-loosening device is characterized in that: the inner thread of the anti-mistaken-disassembly and anti-loosening nut is a left-hand thread; the external thread part of the adapter nut is arranged on the outer circumferential part of the internal thread part of the adapter nut, the external thread part on the outer circumferential surface of the adapter nut is a left-handed thread, and the left-handed external thread part on the adapter nut is arranged on the outer circumferential part of the internal thread part of the adapter nut; the pitch of the left-hand thread is greater than the right-hand thread.
The anti-misoperation and anti-loosening device is characterized in that: the thread pitch of the left-handed thread is more than 1.1 times of that of the right-handed thread.
The anti-misoperation and anti-loosening device is characterized in that: the inner thread of the anti-mistaken-disassembly and anti-loosening nut is a right-hand thread, the outer thread part on the adapter nut is a right-hand thread, and the outer thread part is arranged on the outer circumferential part of the pipe hole part of the adapter nut and extends to the outer circumferential surface of the inner thread part of the adapter nut; the thread pitch of the internal thread of the anti-detaching and anti-loosening nut and the external thread part on the adapter nut is larger than the thread pitch of the external thread part on the pipe joint and the internal thread part of the adapter nut.
The anti-misoperation and anti-loosening device is characterized in that: the thread pitch of the internal thread of the anti-mistaken-disassembly and anti-loosening nut and the external thread part of the adapter nut is more than 1.1 times that of the external thread part of the pipe joint and the internal thread part of the adapter nut.
The utility model relates to a prevent mistake and tear open anti-loosening device, prevent mistake and tear anti-loosening nut and take over the left-handed external screw thread portion of nut adopt left-handed thread's connected mode, during the dismantlement, can only rotate earlier and prevent mistake and tear anti-loosening nut, prevent mistake and tear anti-loosening nut and rotate and play the warning effect, supply operating personnel to think, whether belong to the mistake and tear open. Due to the adoption of the pipeline connecting structure, the anti-misoperation and anti-loosening nut is screwed with the connecting pipe nut to form the anti-misoperation and anti-loosening device, so that the connecting pipe nut and the joint part are prevented from loosening; during the dismantlement, control screw-thread fit and form relative reverse motion, prevent that the mistake is torn open and prevent that the pine takes off the nut and rotate earlier, and the takeover nut is motionless, plays warning and warning effect, realizes preventing mistake and tears open.
Drawings
Fig. 1 is a cross-sectional view of the prior art.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a second cross-sectional view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 2, a joint connection device comprises a pipe joint 1, a connecting pipe nut 2 and a connecting pipe 3, wherein the pipe joint 1 is provided with an external thread part 11, a frustum-shaped pressing part 12 and a hexagonal part 13 for rotating a rotary tool, the connecting pipe nut 2 comprises an internal thread part 21, a frustum-shaped part 22 and a pipe hole part 23, a flared opening 31 is arranged at the connecting end of the connecting pipe 3, the flared opening 31 is matched with the frustum-shaped pressing part 12 and the frustum-shaped part 22, and the connecting pipe 3 passes through the pipe hole part 23 and extends out. The pipe hole on the pipe joint 1 is fixedly connected with a conduit 5, the conduit 5 is connected with an indoor unit of the air conditioner, and the connecting pipe 3 is connected with an outdoor unit 6.
The external thread part 11 on the pipe joint 1 is a right-handed screw; the internal thread part 21 of the adapter nut 2 is a right-hand thread;
the anti-misoperation and anti-loosening nut 4 is also included, and the internal thread of the anti-misoperation and anti-loosening nut 4 is left-handed thread;
the outer circumferential surface of the adapter nut 2 is provided with an external thread part 24, the diameter of the external thread part 24 is smaller than that of other parts of the adapter nut 2, or the diameter of the external thread part 24 is smaller than that of the cylindrical part; the thread of the external thread part 24 is a left-hand thread;
the anti-disassembly and anti-loosening nut 4 is screwed with the external thread part 24 of the connecting pipe nut 2.
The external thread part 24 on the adapter nut 2 is arranged on the external circumferential part at the internal thread part 21 of the adapter nut 2; that is to say: the external thread part 24 is arranged at one end of the adapter nut 2 opposite to the pipe joint 1;
with the structure, during assembly, firstly, the anti-misoperation and anti-release nut 4 is screwed with the external thread part 24 of the adapter nut 2, and the anti-misoperation and anti-release nut 4 and the adapter nut 2 are connected into a whole; secondly, the connecting pipe penetrates through the connecting pipe nut 2; thirdly, the pipe joint 1 is fixed, the internal thread part 21 of the connecting pipe nut 2 is screwed with the external thread part 11 of the pipe joint 1, in the screwing process, the anti-false-disassembly and anti-loosening nut 4 is rotated clockwise by a spanner, the connecting pipe nut 2 is rotated clockwise along with the anti-false-disassembly and anti-loosening nut 4 until the internal thread part 21 of the connecting pipe nut 2 is screwed with the external thread part 11 of the pipe joint 1; and (5) finishing assembly. The left and right screw nuts are matched with the external thread part 11 of the pipe joint 1 to realize the functions of preventing mistaken disassembly and loosening.
When the pipe joint is disassembled, the anti-misoperation and anti-loosening nut 4 is rotated anticlockwise by a wrench, firstly, the anti-misoperation and anti-loosening nut 4 rotates anticlockwise to be loose, the loosening torque of the anti-loosening nut 4 is smaller than that of the pipe joint nut 2, so that the pipe joint nut 2 is static and motionless, namely, the anti-misoperation and anti-loosening nut 4 rotates relative to the pipe joint nut 2; at the moment, the adapter nut 2 is still tightly matched with the external thread part 11 of the pipe joint 1, and only the anti-misoperation and anti-loosening nut 4 rotates to play a role in warning and reminding; if the false removal is carried out, stopping; if the maintenance and the disassembly are normal, the anti-misoperation and anti-loosening nut 4 is continuously rotated until the anti-misoperation and anti-loosening nut 4 is separated from the external thread part 24 of the adapter nut 2; then, the pipe connecting nut 2 is rotated anticlockwise, and normal disassembly is achieved.
Example 2
As shown in fig. 3, the internal thread of the anti-tamper and anti-release nut 4 is a right-hand thread, the external thread portion 24 of the nipple nut 2 is a right-hand thread, the diameter of the external thread portion 24 is smaller than that of other portions, and the external thread portion 24 is provided on the outer circumferential portion of the orifice portion of the nipple nut 2 and extends to the outer circumferential surface of the internal thread of the nipple nut 2; the thread pitch of the internal thread of the anti-detaching and anti-loosening nut 4 and the external thread part 24 of the adapter nut 2 is larger than the thread pitch of the external thread part of the pipe joint 1 and the internal thread part of the adapter nut 2.
The thread pitch of the internal thread of the anti-false-disassembly and anti-loosening nut 4 and the external thread part 24 on the adapter nut 2 is more than 1.1 times that of the external thread part on the pipe joint 1 and the internal thread part of the adapter nut 2.
During assembly, the anti-misoperation and anti-release nut 4 is firstly screwed with the external thread part 24 of the adapter nut 2, and the anti-misoperation and anti-release nut 4 and the adapter nut 2 are connected into a whole; secondly, the connecting pipe penetrates through the connecting pipe nut 2; thirdly, the pipe joint 1 is fixed, the internal thread part 21 of the connecting pipe nut 2 is screwed with the external thread part 11 of the pipe joint 1, in the screwing process, the anti-false-disassembly and anti-loosening nut 4 is rotated clockwise by a spanner, the connecting pipe nut 2 is rotated clockwise along with the anti-false-disassembly and anti-loosening nut 4 until the internal thread part 21 of the connecting pipe nut 2 is screwed with the external thread part 11 of the pipe joint 1; and (5) finishing assembly.
During disassembly, the anti-misoperation loosening-prevention nut 4 is rotated anticlockwise by a wrench, firstly, the anti-misoperation loosening-prevention nut 4 rotates anticlockwise, the connecting pipe nut 2 is static, and namely the anti-misoperation loosening-prevention nut 4 rotates relative to the connecting pipe nut 2; at the moment, the adapter nut 2 is still tightly matched with the external thread part 11 of the pipe joint 1, and only the anti-misoperation and anti-loosening nut 4 rotates to play a role in warning and reminding; if the false removal is carried out, stopping; if the maintenance and the disassembly are normal, the anti-misoperation and anti-loosening nut 4 is continuously rotated until the anti-misoperation and anti-loosening nut 4 is separated from the right-handed external thread part 24 of the adapter nut 2; then, the pipe connecting nut 2 is rotated anticlockwise, and normal disassembly is achieved.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (5)
1. A device for preventing mistaken disassembly and loosening comprises a pipe joint, a connecting pipe nut and a connecting pipe, wherein the pipe joint is provided with an external thread part, a frustum-shaped pressing part and a hexagonal part for rotating a rotating tool; the method is characterized in that: the external thread part on the pipe joint is a right-handed screw; the inner thread part of the adapter nut is a right-hand thread;
the anti-misoperation and anti-loosening nut is also included;
an external thread part is arranged on the outer circumferential surface of the adapter nut;
the anti-misoperation and anti-loosening nut is screwed with the external thread part of the adapter nut.
2. The device of claim 1, wherein the device comprises: the inner thread of the anti-mistaken-disassembly and anti-loosening nut is a left-hand thread; the external thread part of the adapter nut is arranged on the outer circumferential part of the internal thread part of the adapter nut, the external thread part on the outer circumferential surface of the adapter nut is a left-handed thread, and the left-handed external thread part on the adapter nut is arranged on the outer circumferential part of the internal thread part of the adapter nut; the pitch of the left-hand thread is greater than the right-hand thread.
3. The device of claim 2, wherein the device comprises: the thread pitch of the left-handed thread is more than 1.1 times of that of the right-handed thread.
4. The device of claim 1, wherein the device comprises: the inner thread of the anti-mistaken-disassembly and anti-loosening nut is a right-hand thread, the outer thread part on the adapter nut is a right-hand thread, and the outer thread part is arranged on the outer circumferential part of the pipe hole part of the adapter nut and extends to the outer circumferential surface of the inner thread part of the adapter nut; the thread pitch of the internal thread of the anti-detaching and anti-loosening nut and the external thread part on the adapter nut is larger than the thread pitch of the external thread part on the pipe joint and the internal thread part of the adapter nut.
5. The device of claim 4, wherein the device comprises: the thread pitch of the internal thread of the anti-mistaken-disassembly and anti-loosening nut and the external thread part of the adapter nut is more than 1.1 times that of the external thread part of the pipe joint and the internal thread part of the adapter nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902135.5U CN210318895U (en) | 2019-06-15 | 2019-06-15 | Anti-mistaken-disassembly and anti-loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902135.5U CN210318895U (en) | 2019-06-15 | 2019-06-15 | Anti-mistaken-disassembly and anti-loosening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318895U true CN210318895U (en) | 2020-04-14 |
Family
ID=70144151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902135.5U Active CN210318895U (en) | 2019-06-15 | 2019-06-15 | Anti-mistaken-disassembly and anti-loosening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210318895U (en) |
-
2019
- 2019-06-15 CN CN201920902135.5U patent/CN210318895U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021208830A1 (en) | Anti-disassembly joint and anti-disassembly joint assembly | |
| CN210318895U (en) | Anti-mistaken-disassembly and anti-loosening device | |
| CN109306998A (en) | A kind of positive and negative silk screw of never becoming loose | |
| CN210318101U (en) | Stop valve for air conditioner with anti-disassembling and anti-loosening device | |
| CN206830593U (en) | A kind of dismountable upset bolt of screw rod | |
| CN210424050U (en) | Device for preventing pipe joint from being disassembled by mistake | |
| CN213018176U (en) | Prevent tearing open connecting piece and prevent tearing open connecting piece subassembly | |
| US20040136801A1 (en) | Screw nut for limiting an acting torque and method corresponding thereto | |
| JP2011177843A (en) | Piping valve operating method | |
| CN208686766U (en) | A kind of Multifunctional bolt nut body | |
| CN202056439U (en) | Pressing type pipe joint | |
| CN205278064U (en) | Nut | |
| CN201739306U (en) | Tetragonal full-thread bolt device | |
| CN208041368U (en) | Anti-dismantling pipe connecting device and air conditioner | |
| CN211738304U (en) | Anti-dismantling nut assembly and air conditioning system | |
| CN211715967U (en) | Anti-dismantling nut assembly and air conditioning system | |
| CN208090106U (en) | A kind of Anti-dismounting nut with nominal torque | |
| CN211738303U (en) | Anti-dismantling nut assembly and air conditioning system | |
| CN203239718U (en) | Multifunctional self-tapping locking screw | |
| CN207999561U (en) | A kind of flange | |
| CN2239867Y (en) | Wrench for dismounting screw-thread connection | |
| CN210565620U (en) | Standard fastener for machinery | |
| CN2249343Y (en) | Threading-less pipe joint | |
| CN109373077A (en) | A kind of self-pressing type conic pipe joint | |
| CN205016336U (en) | Theftproof type transformer oil discharge outlet sealed cap and special extracting tool thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |