CN211083168U - Anti-disassembly connecting pipe nut assembly, pipeline system and household appliance - Google Patents
Anti-disassembly connecting pipe nut assembly, pipeline system and household appliance Download PDFInfo
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- CN211083168U CN211083168U CN201921029505.5U CN201921029505U CN211083168U CN 211083168 U CN211083168 U CN 211083168U CN 201921029505 U CN201921029505 U CN 201921029505U CN 211083168 U CN211083168 U CN 211083168U
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Abstract
The utility model relates to the technical field of household appliances, concretely relates to anti-disassembly takes over nut component, pipe-line system and domestic appliance. The disassembly-preventing connecting pipe nut assembly provided by the embodiment of the utility model comprises a connecting pipe nut, an auxiliary nut and a limiting mechanism, wherein the auxiliary nut is provided with a ratchet capable of generating elastic deformation, and the connecting pipe nut is provided with a chute matched with the ratchet; the auxiliary nut is fixed on the adapter nut through a limiting mechanism, and the limiting mechanism can limit the axial movement of the auxiliary nut but does not limit the rotation of the auxiliary nut; compare with current spring, jump ring and supplementary nut in this application and realize anti-disassembly's mode, the part still less, can save manufacturing cost and assembly human cost, and assembly process is few simultaneously, and convenient assembling can improve assembly efficiency.
Description
Technical Field
The utility model relates to the technical field of household appliances, concretely relates to anti-disassembly takes over nut component, pipe-line system and domestic appliance.
Background
At present, connection pipes of an internal machine and an external machine of a household air conditioner are connected by matching a pipe connecting nut and a pipe joint to connect an indoor evaporator and an outdoor connecting pipe, but the pipe connecting nut is exposed outside and is convenient to disassemble, so that the possibility of self disassembly or mistaken disassembly by a user exists, the leakage of a refrigerant can be caused, and a serious safety problem can be caused if a combustible refrigerant leaks; as shown in fig. 1, an auxiliary nut 2, a spring 3 and a clamp spring 4 are adopted to match with a pipe connecting nut 1 to realize the anti-disassembly function at present; the outer surface of the connecting pipe nut 1 is a smooth cylindrical surface, so that the connecting pipe nut 1 can be driven to rotate only through the auxiliary nut 2, and the connecting pipe nut 1 rotates to realize threaded connection with a connecting pipe; the end face of one side of the auxiliary nut 2 is provided with a ratchet, one end of the ratchet is connected to one end of the auxiliary nut 2, the other end of the ratchet extends to one side far away from the end face of the auxiliary nut 2, the end face of the adapter nut 1 is provided with a sliding chute matched with the ratchet, the sliding chute inclines inwards from the end face of the adapter nut 1, the spring 3 is pressed on the auxiliary nut 2 by the clamp spring 4, the clamp spring 4 is fixed, the spring 3 is arranged between the auxiliary nut 2 and the clamp spring 4 to provide elastic force for the auxiliary nut 2, and the auxiliary nut 2 is compressed to one side of the adapter nut 1; when the connecting pipe nut 1 is connected with the connecting pipe, the auxiliary nut 2 is rotated, the ratchets are matched with the sliding grooves to transfer torque to drive the connecting pipe nut 1 to rotate, and the connecting pipe nut 1 is connected with the connecting pipe; if the auxiliary nut 2 is rotated reversely, the ratchet and the sliding groove can only transmit torque in one direction, so the auxiliary nut 2 cannot drive the connecting pipe nut 1 to rotate, the auxiliary nut 2 idles, and the anti-disassembly function is realized.
However, in the prior art, a spring 3 and a clamp spring 4 are needed to be adopted, the spring 3 is compressed between the clamp spring 4 and an auxiliary nut 2, and the auxiliary nut 2 is in micro-elastic contact with a connecting pipe nut 1, so that when the ratchet is matched with a chute in forward rotation, the auxiliary nut 2 drives a structural pipe nut to rotate, and when the auxiliary nut 2 rotates in reverse direction, the ratchet and the chute cannot be matched to transmit torque, under the guiding action of the inclined plane of the chute, the auxiliary nut 2 overcomes the elastic force of the spring 3 to move to one side far away from the connecting pipe nut 1, and the auxiliary nut 2 idles; if not set up spring 3 and will adorn directly on taking over nut 1, because taking over nut 1 and auxiliary nut 2 are the metalwork, because auxiliary nut 2 is rigid connection not elastic contact with taking over nut 1, consequently when the auxiliary nut 2 of antiport, still can drive and take over nut 1 and rotate, can't play the function of anti-disassembly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses (one) the technical problem that solve is: the existing anti-disassembly structure of the connecting pipe adopts a plurality of metal parts such as an auxiliary nut, a spring and a clamp spring, so that the number of parts is large, the installation efficiency is low, and the manufacturing cost is high.
(II) technical scheme
In order to solve the technical problem, an embodiment of the utility model provides an anti-disassembly connecting pipe nut assembly, which comprises a connecting pipe nut, an auxiliary nut and a limiting mechanism;
the auxiliary nut is provided with a plurality of ratchets made of elastic materials, one end of each ratchet is connected to the end face of one side of the auxiliary nut, and the other end of each ratchet extends to one side far away from the auxiliary nut;
the connecting pipe nut is provided with a sliding groove matched with the ratchet, the ratchet is positioned in the sliding groove, and the auxiliary nut drives the connecting pipe nut to rotate unidirectionally through the matching of the ratchet and the sliding groove; the limiting mechanism is used for limiting the auxiliary nut to move relative to the adapter nut along the axial direction of the adapter nut.
According to the utility model discloses an embodiment, stop gear is including locating spacing groove on the takeover nut with locate spacing piece on the auxiliary nut, the locating part can follow the auxiliary nut is in the spacing inslot is followed the circumferential direction of takeover nut removes.
According to the utility model discloses an embodiment, it is cylindric to take over the nut, the spacing groove does follow on the take over nut outer wall the annular that takes over nut circumference and set up.
According to the utility model discloses an embodiment, the locating part is for locating lug on the auxiliary nut, the lug is made by elastic material.
According to the utility model discloses an embodiment, the lug orientation one side of takeover nut is equipped with the installation face, the lug can pass through the installation face is impressed the spacing inslot.
According to an embodiment of the invention, the projection is provided on an inner wall of the auxiliary nut.
According to the utility model discloses an embodiment, the lug is equipped with a plurality ofly, and is a plurality of the lug is in the circumference evenly distributed of supplementary nut inner wall.
According to an embodiment of the present invention, an end of the ratchet far from the auxiliary nut is a pushing plane, and a matching plane adapted to the pushing plane is disposed in the sliding groove; the axis of the nipple nut is parallel to the mating plane.
According to the utility model discloses an embodiment, the ratchet is kept away from one side of supplementary nut is equipped with the direction inclined plane, be equipped with in the spout with the cooperation inclined plane of direction inclined plane looks adaptation.
According to an embodiment of the present invention, the auxiliary nut and the ratchet are integrally formed.
According to an embodiment of the invention, the auxiliary nut and the ratchet are made of plastic material.
An embodiment of another aspect of the utility model provides a pipeline system, including two at least connecting pipes, its adjacent two through any one of the above-mentioned embodiments between the connecting pipe prevent that the dismantlement union nut subassembly connects.
The embodiment of the other aspect of the utility model provides a household appliance, the pipe-line system of above-mentioned embodiment.
The utility model has the advantages that: the disassembly-preventing connecting pipe nut assembly provided by the embodiment of the utility model comprises a connecting pipe nut, an auxiliary nut and a limiting mechanism, wherein the auxiliary nut is provided with a ratchet capable of generating elastic deformation, and the connecting pipe nut is provided with a chute matched with the ratchet; the auxiliary nut is fixed on the connecting pipe nut through a limiting mechanism, the limiting mechanism can limit the axial movement of the auxiliary nut, but does not limit the rotation of the auxiliary nut, when the auxiliary nut rotates along the direction in which the ratchet is meshed with the sliding groove, the connecting pipe nut is driven to rotate, the torque is transmitted to the connecting pipe nut, and the connecting pipe nut rotates to realize threaded connection with the connecting pipe; when the connecting pipe nut rotates reversely, the ratchet is in one-way engagement with the sliding groove, the ratchet and the sliding groove are in contact, stressed and deformed, the ratchet is gradually separated from the sliding groove, the auxiliary nut idles without driving the connecting pipe nut to rotate, and the disassembly prevention function of the connecting pipe nut is realized; compare with current spring, jump ring and supplementary nut in this application and realize anti-disassembly's mode, the part still less, can save manufacturing cost and assembly human cost, and assembly process is few simultaneously, and convenient assembling can improve assembly efficiency.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a prior art anti-disassembly nipple nut assembly;
FIG. 2 is an exploded view of the anti-disassembly union nut assembly of one embodiment of the present application;
FIG. 3 is a perspective view of the auxiliary nut of one embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a perspective view of the nipple nut in one embodiment of the present application;
FIG. 6 is a cross-sectional view of the nipple nut in one embodiment of the present application;
FIG. 7 is a cross-sectional view of the anti-disassembly nipple nut assembly according to one embodiment of the present application;
figure 8 is a schematic view of the ratchet teeth engaging the slide slot.
Wherein the correspondence between the reference numbers and the names of the components in fig. 1 to 8 is:
1. the connecting pipe nut comprises a connecting pipe nut body 11, a sliding groove 111, a matching plane 112, a matching inclined plane 12, a limiting groove 2, an auxiliary nut body 21, a ratchet tooth 211, a pushing plane 212, a guide inclined plane 22, a convex block 221, a mounting surface 3, a spring 4 and a clamp spring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 2 to 8, an embodiment of the present invention provides an anti-detachment joint pipe nut assembly, which includes a joint pipe nut 1, an auxiliary nut 2 and a limiting mechanism;
a plurality of ratchets 21 made of elastic materials are arranged on the auxiliary nut 2, one end of each ratchet 21 is connected to the end face of one side of the auxiliary nut 2, and the other end of each ratchet 21 extends to one side far away from the auxiliary nut 2;
the connecting pipe nut 1 is provided with a sliding chute 11 matched with the ratchet 21, the ratchet 21 is positioned in the sliding chute 11, and the auxiliary nut 2 drives the connecting pipe nut 1 to rotate in a single direction through the matching of the ratchet 21 and the sliding chute 11; the limiting mechanism is used for limiting the auxiliary nut 2 to move relative to the adapter nut 1 along the axial direction of the adapter nut 1. Preferably, the sliding grooves 11 are matched with the ratchets 21 in a one-to-one correspondence manner.
The embodiment of the utility model provides an anti-disassembly takeover nut includes takeover nut 1, auxiliary nut 2 and stop gear, wherein takeover nut 1 is cylindric structure, and outer wall is face of cylinder structure, can not directly twist through the spanner and move takeover nut 1 and connecting pipe threaded connection, consequently need use the cooperation nut, twists through the spanner and moves the cooperation nut, and the cooperation nut drives takeover nut 1 rotation for takeover nut 1 transmission moment of torsion, realization and the threaded connection of connecting pipe. The other end that takeover nut 1 and auxiliary nut 2 cooperation are relative in this application is equipped with the internal thread, and the one end that is equipped with the internal thread links to each other with the coupling, links to each other with the connecting pipe through the coupling, and takeover nut 1 is equipped with the one end and the connecting pipe cup joint of auxiliary nut.
In the embodiment, the ratchet 21 is made of an elastic material, so that elastic deformation can be generated, and the elastic contact between the auxiliary nut 2 and the adapter nut 1 can be realized without the spring 3 and the clamp spring 4; one end of the ratchet 21 is connected to the adapter nut 1, the other end extends outwards and is arranged obliquely along the circumferential direction, and the sliding groove 11 is arranged obliquely inwards along the axial direction at one end of the adapter nut 1 close to the auxiliary nut 2 so as to realize one-way engagement of the ratchet 21 and the sliding groove 11.
The auxiliary nut 2 is fixed on the adapter nut 1 through a limiting mechanism, and the limiting mechanism can limit the axial movement of the auxiliary nut 2 but does not limit the rotation of the auxiliary nut 2; when the auxiliary nut 2 rotates along the direction in which the ratchet 21 is meshed with the sliding groove 11, the connecting pipe nut 1 is driven to rotate, the torque is transmitted to the connecting pipe nut 1, the connecting pipe nut 1 rotates, one end, far away from the auxiliary nut 2, of the connecting pipe nut 1 is in threaded connection with a pipe joint, and the connecting pipe nut 1 is connected with a connecting pipe through the pipe joint; when the connecting pipe nut 1 rotates reversely, because the ratchet 21 is meshed with the sliding chute 11 in a single direction, the ratchet 21 is in contact with the sliding chute 11 and deforms under stress, the ratchet 21 gradually separates from the sliding chute 11 along with the rotation of the auxiliary nut 2, and the auxiliary nut 2 idles without driving the connecting pipe nut 1 to rotate, so that the disassembly prevention function of the connecting pipe nut 1 is realized; with current spring 3 in this application, jump ring 4 and auxiliary nut 2 realize the mode of anti-disassembly and compare, because ratchet 21 is made by elastic material, self atress can warp, do not need spring 3 just can realize auxiliary nut 2 and take over the elastic contact of nut 1, consequently, need not use spring 3 and jump ring 4, the part of nut is taken over in whole anti-disassembly still less, can save manufacturing cost, assembly process is few simultaneously, and convenient assembling can improve assembly efficiency, the human cost of sparingly assembling.
According to an embodiment of the present invention, as shown in fig. 2 and 5, the union nut 1 is a stepped tubular structure, the union nut 1 includes a first pipe section and a second pipe section which are coaxially disposed, an outer diameter of the first pipe section is smaller than an outer diameter of the second pipe section, and inner diameters of the first pipe section and the second pipe section may be the same or different; the sliding groove 11 is arranged on the end face of one end, connected with the first pipe section, of the second pipe section. During assembly, the auxiliary nut 2 is sleeved on the first pipe section, and the ratchet 21 of one end of the auxiliary nut 2 close to the adapter nut 1 is positioned in the sliding groove 11 on the end face of the second pipe section.
According to an embodiment of the present invention, as shown in fig. 2 and 7, the limiting mechanism includes a limiting groove 12 disposed on the adapter nut 1 and a limiting member disposed on the auxiliary nut 2, and the limiting member is made of an elastic material; the limiting piece can move along with the auxiliary nut 2 in the limiting groove 12 along the circumferential direction of the adapter nut 1, wherein the limiting groove 12 is arranged on the outer wall surface of the first pipe section; because the locating part is made by elastic material, consequently with supplementary nut 2 cover on first pipeline section when the assembly, then press supplementary nut 2 to the locating part atress can produce elastic deformation, consequently can directly get into spacing groove 12 under pressing, directly press supplementary nut 2 and take over 1 cooperations of nut, the assembly is simple more, convenient, high-efficient.
According to the utility model discloses an embodiment, as shown in fig. 2 and 5, takeover nut 1 is cylindricly, promptly first pipeline section and second pipeline section are the drum structure, spacing groove 12 is in follow on the takeover nut 1 outer wall takeover nut 1 annular that circumference set up. The relative rotation between the auxiliary nut 2 and the adapter nut 1 can be realized, and the auxiliary nut 2 can be ensured not to move relative to the axial direction of the adapter nut 1.
According to the utility model discloses an embodiment, as shown in fig. 2 to 4, the locating part is for locating lug 22 on the auxiliary nut 2, lug 22 is made by elastic material, consequently overlaps auxiliary nut 2 on first pipeline section when the assembly, then presses auxiliary nut 2, and lug 22 can directly enter into spacing groove 12, can directly press auxiliary nut 2 during the assembly, makes auxiliary nut 2 and takeover nut 1 cooperation, assembles simple, convenient, high-efficient more.
According to the utility model discloses an embodiment, as shown in fig. 3, lug 22 orientation take over one side of nut 1 and be equipped with installation face 221, lug 22 can pass through installation face 221 impresses in spacing groove 12, installation face 221 is inclined plane or arc surface, and inclined plane or arc surface and the cooperation of first pipeline section outer wall face when pressing supplementary nut 2 like this, installation face 221 forms relative sliding's motion relation with the outer wall face of first pipeline section, and not mutual extruded relation, impresses lug 22 in spacing groove 12 more easily.
As shown in fig. 3, the protrusion 22 is disposed on the inner wall of the auxiliary nut 2, and when the auxiliary nut 2 is sleeved on the adapter nut 1, the protrusion 22 can directly cooperate with the limiting groove 12 to axially limit the auxiliary nut 2; preferably, as shown in fig. 3, the projection 22 is provided in plurality, and the plurality of projections 22 are uniformly distributed in the circumferential direction of the inner wall of the auxiliary nut 2.
As shown in fig. 8, one end of the ratchet 21 away from the auxiliary nut 2 is a pushing plane 211, and a matching plane 111 adapted to the pushing plane 211 is arranged in the chute 11; the axis of the adapter nut 1 is parallel to the matching plane 111, the pushing plane 211 and the matching plane 111 are parallel to each other and are arranged along the axial direction of the adapter nut 1, so that when the adapter nut 1 is rotated, the pushing plane 211 transmits a larger torque to the matching plane 111 to drive the adapter nut 1 to rotate, the loss of the rotating torque can be reduced, the assembly difficulty is reduced, and the assembly efficiency is improved.
As shown in fig. 3, a guide inclined plane 212 is arranged on one side of the ratchet 21 away from the auxiliary nut 2, a matching inclined plane 112 matched with the guide inclined plane 212 is arranged in the sliding chute 11, and a guide function can be performed on the rotating position of the ratchet 21 through matching between the guide inclined plane 212 and the matching inclined plane 112; when the adapter nut 1 is driven to rotate, the guide inclined surface 212 is matched with the matching inclined surface 112, so that the pushing plane 211 is contacted with the matching plane 111, and the torque of the auxiliary nut 2 is transmitted to the adapter nut 1; when the connecting pipe nut 1 rotates reversely, the compression-deformed ratchet 21 cannot output torque force along the direction perpendicular to the torque transmission direction, and the transmission of the torque force between the ratchet 21 and the sliding groove 11 is blocked, so that the ratchet 21 cannot drive the connecting pipe nut 1 to rotate through the sliding groove 11, and the disassembly prevention function of the connecting pipe nut 1 is realized.
According to an embodiment of the application, auxiliary nut 2, locating part and ratchet 21 are integrated into one piece structure, wholly satisfy auxiliary nut 2 like this and pass through plastic mould production and injection moulding process requirement, realize the automatic production of 2 injection moldings of auxiliary nut, subtract spring 3 and jump ring 4 parts simultaneously, retrench part quantity and kind.
In this embodiment, the ratchet 21, the limiting member and the auxiliary nut 2 may also be a split structure, for example, the ratchet 21 and the auxiliary nut 2 are an integrated structure, the limiting member is mounted on the auxiliary nut 2 through bonding, clamping, or the limiting member and the auxiliary nut 2 are an integrated structure, the ratchet 21 is mounted on the auxiliary nut 2 through clamping, bonding, or the auxiliary nut 2, the ratchet 21 and the limiting member are all independent structures, and then the ratchet 21 and the limiting member are mounted on the auxiliary nut 2 through clamping, bonding, or the like, respectively, and the purpose of the present application can be achieved.
According to the utility model discloses an embodiment, supplementary nut 2, locating part and ratchet 21 is made by plastic material, and preferred supplementary nut 2, locating part and ratchet 21 use plastic raw materials such as PA6-GF30 or PP-GF20, and this material characteristic can satisfy the pipeline height (130 ℃ C. is not more than 130 ℃) low (≧ 40 ℃) temperature service environment, combines the structure of the anti-disassembly union nut subassembly that this application embodiment provided, can not fracture under the moment that is not more than 80N · m when supplementary nut 2's shell fragment forward rotation.
The assembly and working principle of the anti-disassembly union nut provided by the invention are described below with reference to the accompanying drawings.
Sleeving an auxiliary nut 2 on a connecting pipe nut 1 nut, sleeving a specific auxiliary nut 2 on a first pipe section, then pressing the auxiliary nut 2, pressing a lug 22 on the inner wall of the auxiliary nut 2 into a limiting groove 12, enabling a ratchet 21 to be located in a corresponding sliding groove 11, and enabling the lug 22 to be matched with the limiting groove 12 to limit the auxiliary nut 2 to move relative to the connecting pipe nut 1 along the axial direction of the connecting pipe nut 1, but enabling the auxiliary nut 2 to rotate relative to the connecting pipe nut 1 in the circumferential direction;
when the auxiliary nut 2 rotates along the direction in which the ratchet 21 is meshed with the sliding chute 11, the connecting pipe nut 1 is driven to rotate, the torque is transmitted to the connecting pipe nut 1, the connecting pipe nut 1 rotates, and one end, far away from the auxiliary nut 2, of the connecting pipe nut 1 is connected with a connecting pipe through a pipe joint; when the connecting pipe nut 1 rotates reversely, because the ratchet 21 is meshed with the sliding chute 11 in a single direction, the ratchet 21 is in contact with the sliding chute 11 and deforms under stress, the ratchet 21 gradually separates from the sliding chute 11 along with the rotation of the auxiliary nut 2, and the auxiliary nut 2 idles without driving the connecting pipe nut 1 to rotate, so that the disassembly prevention function of the connecting pipe nut 1 is realized; with current spring 3 in this application, jump ring 4 and auxiliary nut 2 realize the mode of anti-disassembly and compare, because ratchet 21 is made by elastic material, self atress can warp, do not need spring 3 just can realize auxiliary nut 2 and take over the elastic contact of nut 1, consequently, need not use spring 3 and jump ring 4, the part of nut is taken over in whole anti-disassembly still less, can save manufacturing cost, assembly process is few simultaneously, and convenient assembling can improve assembly efficiency, the human cost of sparingly assembling.
An embodiment of the present application further provides a pipe system, which includes at least two connecting pipes, wherein two adjacent connecting pipes are connected by the anti-disassembly pipe nut assembly according to any of the above embodiments, wherein one end of the pipe nut 1 connected with the auxiliary nut 2 is in a bell mouth shape and is sleeved on the connecting pipe to realize connection with the connecting pipe 1; the other end of the adapter nut 1 is provided with internal threads, is combined with external threads of a pipe joint through the internal threads, and is connected with a connecting pipe through the pipe joint. The application provides a pipe-line system, convenient assembling, assembly efficiency are high.
The embodiment provides a household appliance, which comprises the pipeline system in the embodiment; preferably, in this embodiment domestic appliance is refrigeration plant such as domestic air conditioner or refrigerator, and the domestic appliance that this application provided can avoid taking over nut 1 because of the user dismantles by oneself and lead to the risk that the refrigerant reveals appearing, and domestic appliance's safety in utilization is higher.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (14)
1. The utility model provides a nut component is taken over in anti-disassembly which characterized in that: the anti-disassembly connecting pipe nut component comprises a connecting pipe nut, an auxiliary nut and a limiting mechanism;
the auxiliary nut is provided with a plurality of ratchets made of elastic materials, one end of each ratchet is connected to the end face of one side of the auxiliary nut, and the other end of each ratchet extends to one side far away from the auxiliary nut;
the connecting pipe nut is provided with a sliding groove matched with the ratchet, the ratchet is positioned in the sliding groove, and the auxiliary nut drives the connecting pipe nut to rotate unidirectionally through the matching of the ratchet and the sliding groove;
the limiting mechanism is used for limiting the auxiliary nut to move relative to the adapter nut along the axial direction of the adapter nut;
the limiting mechanism comprises a limiting groove arranged on the adapter nut and a limiting piece arranged on the auxiliary nut; the limiting piece can move along with the auxiliary nut in the limiting groove along the circumferential direction of the adapter nut; the limiting piece is made of elastic materials.
2. The anti-disassembly nipple nut assembly of claim 1, wherein: the adapter nut is cylindrical, and the limiting groove is formed in the outer wall of the adapter nut and extends along the annular groove formed in the circumferential direction of the adapter nut.
3. The anti-disassembly nipple nut assembly of claim 1, wherein: the limiting part is a bump arranged on the auxiliary nut.
4. The anti-disassembly nipple nut assembly of claim 3, wherein: and one side of the convex block, which faces the adapter nut, is provided with an installation surface, and the convex block can be pressed into the limiting groove through the installation surface.
5. The anti-disassembly nipple nut assembly of claim 3, wherein: the lug is arranged on the inner wall of the auxiliary nut.
6. The anti-disassembly nipple nut assembly of claim 5, wherein: the lug is equipped with a plurality ofly, and is a plurality of the lug is in the circumference of auxiliary nut inner wall is upwards evenly distributed.
7. The anti-disassembly nipple nut assembly of claim 1, wherein: one end of the ratchet, which is far away from the auxiliary nut, is a pushing plane, and a matching plane matched with the pushing plane is arranged in the sliding groove.
8. The anti-disassembly nipple nut assembly of claim 7, wherein: the axis of the nipple nut is parallel to the mating plane.
9. The anti-disassembly nipple nut assembly of claim 1, wherein: one side of the ratchet, which is far away from the auxiliary nut, is provided with a guide inclined plane, and a matching inclined plane matched with the guide inclined plane is arranged in the sliding groove.
10. The anti-disassembly nipple nut assembly of claim 1, wherein: the connecting pipe nut comprises a first pipe section and a second pipe section which are coaxially arranged, the outer diameter of the first pipe section is smaller than that of the second pipe section, and the sliding groove is formed in the end face of one end, connected with the first pipe section, of the second pipe section.
11. The anti-disassembly nozzle nut assembly of any of claims 1-9, wherein: the auxiliary nut, the limiting part and the ratchet are of an integrally formed structure.
12. The anti-disassembly nipple nut assembly of claim 11, wherein: the auxiliary nut, the limiting piece and the ratchet are made of plastic materials.
13. A pipe system, comprising at least two connecting pipes, characterized in that: two adjacent connecting pipes are connected through the anti-disassembly pipe nut assembly according to any one of claims 1 to 12.
14. A household appliance, characterized by: comprising a pipe system according to claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029505.5U CN211083168U (en) | 2019-07-02 | 2019-07-02 | Anti-disassembly connecting pipe nut assembly, pipeline system and household appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029505.5U CN211083168U (en) | 2019-07-02 | 2019-07-02 | Anti-disassembly connecting pipe nut assembly, pipeline system and household appliance |
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| Publication Number | Publication Date |
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| CN211083168U true CN211083168U (en) | 2020-07-24 |
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| CN201921029505.5U Active CN211083168U (en) | 2019-07-02 | 2019-07-02 | Anti-disassembly connecting pipe nut assembly, pipeline system and household appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397803A (en) * | 2019-07-02 | 2019-11-01 | 珠海格力电器股份有限公司 | A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance |
-
2019
- 2019-07-02 CN CN201921029505.5U patent/CN211083168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397803A (en) * | 2019-07-02 | 2019-11-01 | 珠海格力电器股份有限公司 | A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance |
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