CN214789648U - Anti-disassembly joint assembly - Google Patents
Anti-disassembly joint assembly Download PDFInfo
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- CN214789648U CN214789648U CN202121066540.1U CN202121066540U CN214789648U CN 214789648 U CN214789648 U CN 214789648U CN 202121066540 U CN202121066540 U CN 202121066540U CN 214789648 U CN214789648 U CN 214789648U
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- swivel nut
- nut
- joint assembly
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Abstract
The utility model discloses an anti-disassembly joint Assembly, including swivel nut, connecting piece and coupling, swivel nut and connecting piece normal running fit are equipped with the constant head tank on the swivel nut, and the constant head tank extends along the direction slope of screwing with connecting piece, coupling in swivel nut's tip, is equipped with the locating piece on the connecting piece, and swivel nut rotates and makes constant head tank and locating piece cooperation support to lean on the locking, drives the rotatory and coupling cooperation threaded connection of connecting piece. When the operation swivel nut is rotatory, the connecting piece supports with the coupling, and swivel nut's constant head tank is rotatory to block with the locating piece on the connecting piece to drive the connecting piece syntropy rotatory and the coupling screw, during swivel nut antiport, constant head tank and locating piece break away from, and swivel nut can not drive the connecting piece rotatory, reaches the risk that prevents that the connecting piece from being demolishd.
Description
Technical Field
The utility model relates to an anti-disassembly structure technical field, concretely relates to anti-disassembly joint subassembly.
Background
At present, the indoor side of a household air conditioner is connected with pipelines of an evaporator and an outdoor unit by adopting a connection mode of a pipe joint and a pipe connection nut. Generally, the pipe joint is in threaded connection with the connecting pipe nut, and the pipe joint and the connecting pipe nut are respectively provided with an external hexagonal section which is convenient to operate and rotate, so that the possibility of being detachable exists between the pipe joint and the connecting pipe nut, the requirement that the inner side of an air conditioner using a combustible refrigerant cannot use the detachable joint cannot be met, the connection between the pipe joint and the connecting pipe nut is loosened, the refrigerant leakage can be caused, and the potential safety hazard is caused. Therefore, the air conditioner using the refrigerant has a stricter requirement on the leakage of the refrigerant, and in order to prevent the refrigerant from leaking into the indoor side due to the fact that an outsider does not recover the refrigerant and removes the air conditioner, the conventional feasible scheme generally adopts a disassembly-preventing connection mode.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the present invention provides an anti-detach joint assembly to solve the deficiencies of the prior art.
The utility model discloses mainly realize through following technical scheme:
the utility model provides a pair of anti-disassembly joint Assembly, including swivel nut, connecting piece and coupling threaded connection, swivel nut and connecting piece normal running fit, the last constant head tank that is equipped with of swivel nut, the constant head tank extends along the direction slope of screwing with connecting piece, coupling in swivel nut's tip, be equipped with the locating piece on the connecting piece, swivel nut rotates and makes constant head tank and locating piece cooperation support and lean on the locking, drives the rotatory and coupling cooperation threaded connection of connecting piece.
Furthermore, the connecting piece is provided with an elastic piece which is abutted or connected with the rotating nut.
Furthermore, a first limiting part is arranged on the connecting part, and the elastic part is matched with the first limiting part to abut against or be connected with the first limiting part.
Furthermore, a second limiting part is arranged on the connecting part, and the rotating nut is matched with the second limiting part for limiting.
Further, the constant head tank is including the arc spigot surface and the logical groove that are connected, the arc spigot surface extends to the tip of swivel nut, it sets up on swivel nut's lateral wall to lead to the groove.
Furthermore, the rotating nut is sleeved on the connecting piece, the end portion of the rotating nut is provided with an accommodating groove, and the elastic piece is arranged between the first limiting piece and the accommodating groove.
Further, be equipped with first connecting pipe on the connecting piece, be equipped with the second connecting pipe on the coupling, the tip of first connecting pipe is equipped with the horn mouth, the coupling is equipped with the first conical surface sealed with the cooperation of horn mouth inner wall, the inner wall of connecting piece is equipped with the second conical surface sealed with the cooperation of horn mouth outer wall.
Furthermore, the constant head tank is equipped with at least two, and follows swivel nut is annular interval distribution, the locating piece sets up along the circumference interval of connecting piece.
Further, the rotating nut is a hexagonal nut, and the connecting piece is annular.
Compared with the prior art the utility model discloses technical scheme's beneficial effect does:
the utility model provides a pair of anti-disassembly joint Assembly, when operation swivel nut is rotatory, the connecting piece supports with the coupling, swivel nut's the constant head tank rotation blocks with the locating piece on the connecting piece to drive the connecting piece syntropy rotatory and screw with the coupling screw thread, during swivel nut antiport, the constant head tank breaks away from with the locating piece, swivel nut can not drive the connecting piece rotatory, reach the risk that prevents that the connecting piece from being demolishd, avoid the user oneself to demolish combustible refrigerant air conditioner and cause the incident.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an anti-disassembly joint assembly provided in an embodiment of the present invention in an anti-disassembly state;
fig. 2 is a schematic structural view of an anti-removal joint assembly according to an embodiment of the present invention in a tightened state;
fig. 3 is a cross-sectional view of an anti-removal joint assembly according to an embodiment of the present invention connecting a first connecting pipe and a second connecting pipe;
fig. 4 is a perspective view of a swivel nut according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rotating nut according to an embodiment of the present invention.
The reference numbers are as follows:
1. the rotary nut, 1a, constant head tank, 1b, arc spigot surface, 1c, logical groove, 1d, storage tank, 2, connecting piece, 2a, locating piece, 2b, second conical surface, 2c, internal thread, 3, coupling, 3a, first conical surface, 3b, external screw thread, 4, elastic component, 5, first locating part, 6, second locating part, 7, first connecting pipe, 7a, horn mouth, 8, second connecting pipe.
Detailed Description
In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1-3, the utility model provides an anti-disassembly joint assembly, including swivel nut 1, connecting piece 2 and coupling 3, swivel nut 1 and the 2 normal running fit of connecting piece, the last constant head tank 1a that is equipped with of swivel nut 1, constant head tank 1a extend along the direction slope with connecting piece 2, coupling 3 screws in swivel nut's 1 tip, be equipped with locating piece 2a on the connecting piece 2, swivel nut 1 rotates and makes constant head tank 1a and the cooperation of locating piece 2a support and lean on the locking, drive the rotatory and coupling 3 cooperation threaded connection of connecting piece 2. Wherein, the connecting piece 2 is a connecting sleeve.
Specifically, the positioning grooves 1a are at least two and distributed at intervals in an annular shape along the rotating nut 1, and the positioning blocks 2a are arranged at intervals in the circumferential direction of the connecting piece 2. The stability of the structural connection is improved.
Preferably, the connecting piece 2 is provided with an elastic piece 4 which abuts against or is connected with the rotating nut 1. The rotary nut 1 is effectively supported by the elastic member 4, so that torque can be transmitted conveniently during rotation.
Preferably, the elastic member 4 is a spring.
Specifically, the swivel nut 1 is sleeved on the connecting member 2, the end of the swivel nut 1 is provided with a receiving groove 1d, and the elastic member 4 is disposed between the first limiting member 5 and the receiving groove 1 d. It is convenient to carry on spacingly to the spring for it is more stable when transmission moment.
As shown in fig. 4 to 5, preferably, the positioning groove 1a includes an arc-shaped guide surface 1b and a through groove 1c connected, the arc-shaped guide surface 1b extends to an end portion of the swivel nut 1, and the through groove 1c is provided on a side wall of the swivel nut 1.
Specifically, the inclination angle of the arc-shaped guide surface 1b is 30 degrees. The joint of the through groove 1c and the end part of the rotating nut 1 is provided with a fillet.
Preferably, the connecting piece 2 is provided with a first connecting pipe 7, the pipe joint 3 is provided with a second connecting pipe 8, the end of the first connecting pipe 7 is provided with a bell mouth 7a, the pipe joint 3 is provided with a first conical surface 3a which is matched and sealed with the inner wall of the bell mouth 7a, and the inner wall of the connecting piece 2 is provided with a second conical surface 2b which is matched and sealed with the outer wall of the bell mouth 7 a.
When the evaporator tube connector 3 is screwed in place, the first tapered surface 3a of the evaporator tube connector 3 and the second tapered surface 2b of the connecting piece 2 tightly press the bell mouth 7a of the first connecting tube 7, and leakage is effectively prevented.
Preferably, the outer end of the bell mouth 7a is wider and the inner end is narrower.
Further, the connecting piece 2 is provided with an inner cavity, one end of the connecting piece 2 is arranged in an open mode, the other end of the connecting piece 2 is provided with a connecting pipe mounting hole, an inner thread 2c is arranged in the connecting piece 2, an outer thread 3b is arranged on the pipe joint 3, and a second conical surface 2b is arranged between the connecting pipe mounting hole and the inner thread 2 c.
Specifically, the connecting member 2 is provided with a first limiting member 5, and the elastic member 4 is matched with the first limiting member 5 to abut against or be connected with the first limiting member 5.
Preferably, the first limiting member 5 is a stop pin penetrating the connecting member 2 or a limiting rod symmetrically disposed on the outer wall of the connecting member 2.
Furthermore, a slot is arranged on the side wall of the connecting piece 2, and the retaining pin is arranged in the slot.
Specifically, the connecting member 2 is provided with a second limiting member 6, and the rotating nut 1 is matched with the second limiting member 6 for limiting.
Preferably, the second limiting member 6 is an annular limiting table and is disposed at the open end of the connecting member 2, and the positioning block 2a is disposed in the slot between the annular limiting tables.
Specifically, the rotating nut 1 is a hexagonal nut, and the connecting piece 2 is annular.
Preferably, the height of the hexagonal nut is smaller than the length of the annular limiting table from the retaining pin. During installation, the rotating nut 1 is sleeved on the connecting piece 2, then the spring is inserted into the accommodating groove 1d, and finally the retaining pin is inserted into the connecting piece 2.
The utility model provides a pair of anti-disassembly joint Assembly, in the use, swivel nut 1, the back is connected to connecting piece 2, swivel nut 1 is rotated through the instrument, with 1 clockwise rotation of swivel nut, when the locating piece 2a of connecting piece 2 reachs arc spigot surface 1b, swivel nut 1 upwards slides in the effect of spring elasticity, make locating piece 2a slide into swivel nut 1's logical groove 1c in, swivel nut 1 drives locating piece 2a and is rotatory together with connecting piece 2, with connecting piece 2 and evaporator tube coupling 3's external screw thread connection. When connecting piece 2 was locked, rotated swivel nut 1 through the instrument anticlockwise rotation, locating piece 2a that relative setting was this moment all along arc spigot surface 1b roll-off, swivel nut 1 can't drive connecting piece 2 anticlockwise rotation.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An anti-disassembly joint assembly which characterized in that: including swivel nut (1), connecting piece (2) and coupling (3), swivel nut (1) and connecting piece (2) normal running fit, be equipped with constant head tank (1a) on swivel nut (1), constant head tank (1a) extends along the direction slope of screwing with connecting piece (2), coupling (3) in the tip of swivel nut (1), be equipped with locating piece (2a) on connecting piece (2), swivel nut (1) rotates and makes constant head tank (1a) and locating piece (2a) cooperation support and lean on the locking, drives connecting piece (2) rotation and coupling (3) cooperation threaded connection.
2. The tamper-evident joint assembly of claim 1, wherein: and the connecting piece (2) is provided with an elastic piece (4) which is abutted or connected with the rotating nut (1).
3. The tamper-evident joint assembly of claim 2, wherein: the connecting piece (2) is provided with a first limiting piece (5), and the elastic piece (4) is matched with the first limiting piece (5) to abut against or be connected with the first limiting piece.
4. The tamper-evident joint assembly of claim 2 or 3, wherein: the connecting piece (2) is provided with a second limiting piece (6), and the rotating nut (1) is matched with the second limiting piece (6) for limiting.
5. The tamper-evident joint assembly of claim 1, wherein: the positioning groove (1a) comprises an arc-shaped guide surface (1b) and a through groove (1c) which are connected, the arc-shaped guide surface (1b) extends to the end part of the rotating nut (1), and the through groove (1c) is formed in the side wall of the rotating nut (1).
6. The anti-disassembly joint assembly of claim 3, wherein: the rotary nut (1) is sleeved on the connecting piece (2), the end portion of the rotary nut (1) is provided with a containing groove (1d), and the elastic piece (4) is arranged between the first limiting piece (5) and the containing groove (1 d).
7. The tamper-evident joint assembly of claim 1, wherein: be equipped with first connecting pipe (7) on connecting piece (2), be equipped with second connecting pipe (8) on coupling (3), the tip of first connecting pipe (7) is equipped with horn mouth (7a), coupling (3) are equipped with and cooperate sealed first conical surface (3a) with horn mouth (7a) inner wall, the inner wall of connecting piece (2) is equipped with and cooperates sealed second conical surface (2b) with horn mouth (7a) outer wall.
8. The tamper-evident joint assembly of claim 1 or 5, wherein: the positioning grooves (1a) are at least two and distributed at intervals in an annular mode along the rotating nut (1), and the positioning blocks (2a) are arranged at intervals in the circumferential direction of the connecting piece (2).
9. The tamper-evident joint assembly of claim 1, wherein: the rotary nut (1) is a hexagonal nut, and the connecting piece (2) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066540.1U CN214789648U (en) | 2021-05-18 | 2021-05-18 | Anti-disassembly joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066540.1U CN214789648U (en) | 2021-05-18 | 2021-05-18 | Anti-disassembly joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789648U true CN214789648U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121066540.1U Active CN214789648U (en) | 2021-05-18 | 2021-05-18 | Anti-disassembly joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978331A (en) * | 2023-01-06 | 2023-04-18 | 河南恒创精密制造股份有限公司 | Anti-pulling degumming pipe joint |
-
2021
- 2021-05-18 CN CN202121066540.1U patent/CN214789648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978331A (en) * | 2023-01-06 | 2023-04-18 | 河南恒创精密制造股份有限公司 | Anti-pulling degumming pipe joint |
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