CN109114339B - Anti-disassembly connector, connector assembly and air conditioner - Google Patents
Anti-disassembly connector, connector assembly and air conditioner Download PDFInfo
- Publication number
- CN109114339B CN109114339B CN201811268891.3A CN201811268891A CN109114339B CN 109114339 B CN109114339 B CN 109114339B CN 201811268891 A CN201811268891 A CN 201811268891A CN 109114339 B CN109114339 B CN 109114339B
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- Prior art keywords
- auxiliary tool
- face
- connector body
- connector
- disassembly
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
- F16L37/113—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
Abstract
The invention provides an anti-disassembly connector, a connector assembly and an air conditioner, wherein the anti-disassembly connector comprises: the connector body is provided with a threaded hole and a slot; the auxiliary tool is provided with a clamping cavity, and the clamping cavity is provided with a notch and a clamping block; the clamping cavity of the auxiliary tool is detachably sleeved on the connector body through a notch, and the clamping block of the auxiliary tool is positioned in the groove of the connector body; the slot includes a tightening surface and a removal surface. When the tightening torque is applied to the auxiliary tool, the auxiliary tool applies the torque to the connector body through the tightening surface to drive the connector body to rotate; when unscrewing moment is applied to the auxiliary tool, the auxiliary tool reduces moment transmission efficiency through the disassembly surface, and the auxiliary tool deforms or causes a moment tool acting on the auxiliary tool to slip, so that the connector body cannot be driven to rotate.
Description
Technical Field
The invention relates to the technical field of pipeline connection structures and air conditioners, in particular to an anti-disassembly connector, a connector assembly and an air conditioner.
Background
At present, an air conditioner adopts a pipe joint and a connector to connect an evaporator and a connecting pipe. However, in the GB4706.32-2012 standard, it is required that: the reusable mechanical connection fitting and the flare interface are not allowed to be placed in the indoor portion of the air conditioner. The existing connector is generally integrated and mainly comprises a threaded section and a prismatic surface section, and when clockwise moment is applied to the prismatic surface section, the threaded section and the prismatic surface section rotate together and can be tightly matched with the connector; however, when a counter-clockwise torque is applied to the prismatic surface section, the threaded section is driven to rotate together, so that the threaded section can be loosened from the pipe joint, and the detachable possibility exists, and the requirements of the assembly standard and the safety cannot be met.
Disclosure of Invention
In view of the above, the present invention is directed to an anti-disassembly connector, a connector assembly and an air conditioner, so as to solve the problem that the connector and the pipe joint are detachable.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an anti-disassembly connector, characterized by comprising:
the connector body is provided with a threaded hole and a slot;
the auxiliary tool is provided with a clamping cavity, and the clamping cavity is provided with a notch and a clamping block;
the clamping cavity of the auxiliary tool is detachably sleeved on the connector body through a notch, and the clamping block of the auxiliary tool is positioned in the groove of the connector body;
the grooving comprises a screwing surface and a disassembling surface; applying a tightening torque on the auxiliary tool, wherein the auxiliary tool applies a torque to the connector body through the tightening surface; and applying a unscrewing torque on the auxiliary tool, wherein the auxiliary tool reduces torque transmission efficiency through the disassembly surface, and the auxiliary tool deforms or causes a torque tool acting on the auxiliary tool to slip.
Optionally, the auxiliary tool comprises a first end face, a second end face, a third end face, a fourth end face and a fifth end face; the first end face, the second end face, the third end face, the fourth end face and the fifth end face are sequentially connected to form the clamping cavity; the gap is formed by breaking between the first end face and the fifth end face.
Optionally, the first end face and the fourth end face form a first tamper evident structure; when the auxiliary tool reduces torque transmission efficiency through the disassembly surface, the first disassembly preventing structure enables the auxiliary tool to deform.
Optionally, the second end face and the fifth end face form a second disassembly preventing structure; when the auxiliary tool reduces torque transmission efficiency through the disassembly surface, the second disassembly preventing structure promotes the torque tool acting on the auxiliary tool to slip.
Optionally, the fifth end face is provided with a ramp which promotes slipping of a torque tool acting on the auxiliary tool.
Optionally, the clamping cavity is provided with a surrounding edge; the clamping cavity is sleeved with the connector body, and the surrounding edge is abutted against the connector body.
Optionally, the connector body is provided with an annular groove, the annular groove intersects with the groove, and a clamp spring is arranged in the annular groove.
Optionally, one end of the slot and the connector body form a limiting step.
Compared with the prior art, the invention has the following advantages:
the clamping cavity of the auxiliary tool is detachably sleeved on the connector body through the notch; in order to facilitate torque transmission between the two, the connector body is provided with a slot, and a clamping cavity of the auxiliary tool is provided with a clamping block matched with the slot; when a tightening torque is applied to the auxiliary tool, the auxiliary tool applies the torque to the connector body through the tightening surface to drive the connector body to rotate; when unscrewing moment is applied to the auxiliary tool, the auxiliary tool reduces moment transmission efficiency through the disassembly surface, and the auxiliary tool deforms or causes a moment tool acting on the auxiliary tool to slip, so that the connector body cannot be driven to rotate.
Another objective of the present invention is to provide a connector assembly to solve the problem of detachable connectors and pipe joints.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a connector assembly comprises the structure of the anti-disassembly connector.
The connector assembly has the same advantages as the connector described above with respect to the prior art, and will not be described in detail herein.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an evaporator tube and a connecting tube of the air conditioner are connected by adopting the connector assembly.
The air conditioner and the connector have the same advantages as those of the prior art, and are not described herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is an exploded view of one embodiment of the present invention;
FIG. 2 is an assembled schematic view of an embodiment of the present invention;
FIG. 3 is a schematic view of the assembly of the connector and the pipe joint of the present invention;
FIG. 4 is a schematic view of an embodiment of a connector body;
FIG. 5 is a schematic view of an embodiment of a connector body;
FIG. 6 is an enlarged view of a portion of the slot;
FIG. 7 is a schematic diagram of an embodiment of an auxiliary assembly;
FIG. 8 is a schematic diagram of an embodiment of an auxiliary assembly;
fig. 9 is an assembly schematic diagram of the auxiliary assembly and the connector body.
Reference numerals illustrate:
1-evaporator tubes, 2-auxiliary tools, 3-tube joints, 4-connector bodies and 5-connecting tubes;
the device comprises a clamping cavity 21-, a clamping cavity 22-a first end face, a clamping cavity 23-a second end face, a clamping cavity 24-a third end face, a clamping cavity 25-a fourth end face, a clamping cavity 26-a fifth end face, a clamping edge 27-a first clamping edge 28-a second clamping edge 29-a third clamping edge 41-a threaded hole 42-a slot 43-an annular slot;
211-clamping blocks, 212-gaps, 213-surrounding edges, 262-fourth clamping edges, 421-limiting steps, 422-dismounting surfaces, 423-screwing surfaces and 431-clamping springs.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Example 1
As shown in fig. 1-9, an anti-disassembly connector comprises a connector body 4 and an auxiliary tool 2.
As shown in fig. 4, the connector body 4 is provided with a screw hole 41 and a slot 42; specifically, the connector body 4 is cylindrical, and one end of the connector body 4 is provided with a gradually narrowing bell mouth, so that the connector body is communicated with the connecting pipe 5 through the bell mouth; wherein the threaded hole 41 is provided through along the axis of the joint, whereby the threaded hole 41 can be assembled in threaded engagement with the pipe joint 3; the slot 42 is provided along the axial direction of the connector body 4, whereby the slot 42 facilitates the assembly by mating with the auxiliary tool 2.
In this embodiment, the outer edge of the connector body 4 is not matched with the screwing tool such as a wrench, so that the screwing tool such as a wrench cannot be used to realize the rotation of the connector body 4, and the auxiliary tool 2 needs to be matched for use.
As shown in fig. 7 and 8, the auxiliary tool 2 is provided with a clamping cavity 21, and the clamping cavity 21 is provided with a notch 212 and a clamping block 211; specifically, the notch 212 facilitates the engagement cavity 21 to communicate with the outside to form a semi-enclosed structure, and at this time, the cross section of the inner wall of the engagement cavity 21 is in a C shape; the fixture block 211 is arranged on the inner wall of the clamping cavity 21, and is matched with the slot 42, so that the assembly of the connector body 4 and the auxiliary tool 2 is realized.
In this embodiment, when the clamping cavity 21 of the auxiliary tool 2 is detachably sleeved on the connector body 4 through the notch 212, the clamping block 211 of the auxiliary tool 2 is located in the slot 42 of the connector body 4, so that the assembly of the auxiliary tool 2 and the connector body 4 is realized, and meanwhile, the outer edge of the auxiliary tool 2 can be matched with a tightening tool such as a wrench, so that the tightening tool such as the wrench can drive the auxiliary tool 2 to rotate.
In this embodiment, as shown in fig. 6, the slot 42 includes a tightening surface 423 and a detaching surface 422, and specifically, the tightening surface 423 is in a stable shape such as a semicircle, so that torque can be effectively transmitted during tightening; the disassembly surface 422 is in a slope shape with radian, and when unscrewing, the torque transmission efficiency is greatly reduced due to the influence of the slope; when a tightening torque is applied to the auxiliary tool 2, the auxiliary tool 2 applies a torque to the connector body 4 through the tightening surface 423, and the auxiliary tool 2 drives the connector body 4 to rotate; when a unscrewing torque is applied to the auxiliary tool 2, the auxiliary tool 2 reduces torque transmission efficiency through the dismounting surface 422, and at the same time, the auxiliary tool 2 deforms to fail or a tightening tool acting on the auxiliary tool 2 is caused to slip.
When the embodiment is used, as shown by an arrow in fig. 9, the counter-clockwise turn-button auxiliary tool 2 is the screwing direction of the connector body 4; the clockwise turn-around auxiliary tool 2 is the unscrewing direction of the connector body 4, and the specific process is as follows:
firstly, the auxiliary tool 2 is sleeved on the connector body 4, and at the moment, the clamping block 211 of the auxiliary tool 2 is positioned in the groove 42 of the connector body 4; then, a tightening tool such as a wrench is used for clamping the outer edge of the auxiliary tool 2, and when the auxiliary tool rotates anticlockwise, the auxiliary tool 2 drives the connector body 4 to move together, so that the tightening of the connector body 4 is realized; when rotating clockwise, the auxiliary fixture 2 is deformed and invalid or the tightening tools such as a wrench are caused to slip, the auxiliary fixture 2 cannot drive the connector body 4 to move together, and the anti-disassembly function of the connector body 4 is realized.
Example 2
Compared with the above embodiment, the difference of this embodiment is that the auxiliary tool 2 in this embodiment includes a first end surface 22, a second end surface 23, a third end surface 24, a fourth end surface 25 and a fifth end surface 26; the first end surface 22, the second end surface 23, the third end surface 24, the fourth end surface 25 and the fifth end surface 26 are sequentially connected to form the clamping cavity 21, specifically, the angle between the first end surface 22, the second end surface 23, the third end surface 24, the fourth end surface 25 and the fifth end surface 26 is 120 degrees, so that the clamping cavity is convenient to be matched with a tightening tool such as a wrench; the gap 212 is formed by disconnecting the first end face 22 from the fifth end face 26, so that the auxiliary tool 2 and the connector body 4 are assembled and disassembled under the action of the gap 212.
In this embodiment, the first end surface 22 and the fourth end surface 25 form a first disassembly preventing structure; when the auxiliary fixture 2 reduces torque transmission efficiency through the disassembly surface 422, the first disassembly prevention structure enables the auxiliary fixture 2 to deform, and in particular, when a tightening tool such as a wrench is clamped into the first end face 22 and the fourth end face 25 of the first disassembly structure, when the tightening tool is screwed clockwise, the stress points of the auxiliary fixture 2 are positioned on the first clamping edge 27 and the third clamping edge 29, and at the moment, the auxiliary fixture 2 is deformed and fails before the connector is unscrewed due to the fact that the force arm is long, so that the disassembly prevention of the connector body 4 is realized.
In this embodiment, the second end surface 23 and the fifth end surface 26 form a second disassembly preventing structure, wherein the fifth end surface 26 is provided with a slope; when the auxiliary fixture 2 reduces torque transmission efficiency through the disassembly surface 422, the second anti-disassembly structure enables tightening tools such as a wrench to slip, and specifically, when the tightening tools such as the wrench are clamped into the second end surface 23 and the fifth end surface 26 of the second disassembly structure, the stress points of the auxiliary fixture 2 are positioned on the second clamping edge 28 and the fourth clamping edge 262 during clockwise screwing, and at the moment, due to the slope design of the fifth end surface 26, the tightening tools such as the wrench cannot exert force on the fourth clamping edge 262, so that the tightening tools such as the wrench can slip on the fourth clamping edge 262, and the anti-disassembly of the connector body 4 is realized.
Example 3
Compared with the above embodiment, the difference of this embodiment is that the engaging cavity 21 in this embodiment has a peripheral edge 213; when the clamping cavity 21 is sleeved with the connector body 4, the surrounding edge 213 abuts against the connector body 4; specifically, the one end in block chamber 21 is equipped with the surrounding edge 213, and surrounding edge 213 and fixture block 211 mutually perpendicular from this, under the effect of surrounding edge 213, can fix a position auxiliary fixtures 2 on connector body 4, prevent auxiliary fixtures 2 along connector body 4's outer fringe gliding.
Example 4
Compared with the embodiment, the difference of the embodiment is that the connector body 4 is provided with the annular groove 43, the annular groove 43 intersects with the slot 42, specifically, the annular groove 43 is positioned above the bell mouth of the connector body 4, and the length from the annular groove 43 to the surrounding edge 213 of the clamping cavity 21 is equal to the length of the clamping block 211, thereby realizing stable installation of the auxiliary tool 2; the annular groove 43 is provided with the snap spring 431, so that when the snap spring 431 is located in the annular groove 43, the auxiliary tool 2 can be prevented from entering the connector body 4 from the bell mouth, and the anti-disassembly function is reversed.
Example 5
Compared with the above embodiment, the difference of this embodiment is that, as shown in fig. 5, one end of the slot 42 forms a limiting step 421 with the connector body 4, specifically, the slot 42 forms the limiting step 421 near the bell mouth end of the connector body 4, thereby, under the action of the limiting step 421, the auxiliary tool 2 can be prevented from entering the connector body 4 from the bell mouth, and the above anti-disassembly function is reversed.
Example 6
A joint assembly comprising a joint 3 and the above-described construction of the anti-disassembly joint.
In the embodiment, the pipe joint 3 is provided with a through hole which penetrates, and the pipe joint 3 is provided with external threads, wherein the external threads of the pipe joint 3 are matched with the thread grooves of the connector body 4; when the pipe joint 3 is assembled with the connector body 4, the connector body 4 cannot be directly screwed by screwing tools such as a wrench, the auxiliary tool 2 is required to be matched for use, and when the pipe joint 3 is contacted with the connector body 4, the clamping cavity 21 of the auxiliary tool 2 is sleeved on the connector body 4 through the notch 212; when a tightening torque is applied to the auxiliary tool 2, the auxiliary tool 2 applies a torque to the connector body 4 through the tightening surface 423, and the auxiliary tool 2 drives the connector body 4 to rotate, so that the pipe joint 3 and the connector body 4 are connected; when the unscrewing torque is applied to the auxiliary tool 2, the auxiliary tool 2 reduces torque transmission efficiency through the disassembly surface 422, and meanwhile, the auxiliary tool 2 is deformed and fails or a tightening tool acting on the auxiliary tool 2 is caused to slip, so that the disassembly prevention of the pipe joint 3 and the connector body 4 is realized.
Example 7
As shown in fig. 1, 2 and 3, an air conditioner is provided in which an evaporator tube 1 and a connection tube 5 of the air conditioner are connected using the above-mentioned connector assembly.
In the present embodiment, the evaporator tube 1 communicates with the tube joint 3; the connecting pipe 5 is communicated with the connector body 4; when the evaporator tube 1 and the connecting tube 5 are communicated, firstly, the tube joint 3 is abutted with the threaded hole 41 of the connector body 4, and the clamping cavity 21 of the auxiliary tool 2 is sleeved on the connector body 4 through the notch 212; when a tightening torque is applied to the auxiliary tool 2, the auxiliary tool 2 applies a torque to the connector body 4 through the tightening surface 423, and the auxiliary tool 2 drives the connector body 4 to rotate, so that the pipe joint 3 and the connector body 4 are connected; when the unscrewing torque is applied to the auxiliary tool 2, the auxiliary tool 2 reduces torque transmission efficiency through the disassembly surface 422, and meanwhile, the auxiliary tool 2 is deformed and fails or a tightening tool acting on the auxiliary tool 2 is caused to slip, so that the disassembly prevention of the pipe joint 3 and the connector body 4 is realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. An anti-disassembly connector, characterized by comprising:
the connector comprises a connector body (4), wherein the connector body (4) is provided with a threaded hole (41) and a slot (42);
the auxiliary tool (2), wherein the auxiliary tool (2) is provided with a clamping cavity (21), and the clamping cavity (21) is provided with a notch (212) and a clamping block (211);
the clamping cavity (21) of the auxiliary tool (2) is detachably sleeved on the connector body (4) through a notch (212), and the clamping block (211) of the auxiliary tool (2) is positioned in the groove (42) of the connector body (4); the auxiliary tool (2) comprises a first end face (22), a second end face (23), a third end face (24), a fourth end face (25) and a fifth end face (26); the first end face (22), the second end face (23), the third end face (24), the fourth end face (25) and the fifth end face (26) are sequentially connected to form the clamping cavity (21); the gap (212) is formed by the disconnection between the first end surface (22) and the fifth end surface (26); the first end face (22) and the fourth end face (25) form a first anti-disassembly structure, the second end face (23) and the fifth end face (26) form a second anti-disassembly structure, a first clamping edge (27) is arranged at the junction of the first end face (22) and the second end face (23), a third clamping edge (29) is arranged at the junction of the third end face (24) and the fourth end face (25), a slope is arranged on the fifth end face (26), and the slope promotes torque tools acting on the auxiliary tool (2) to slip; when the moment tool is clamped into the first end face (22) and the fourth end face (25), the stress points of the auxiliary tool (2) are positioned on the first clamping edge (27) and the third clamping edge (29), and the first disassembly preventing structure enables the auxiliary tool (2) to deform;
the grooving (42) comprises a tightening surface (423) and a disassembling surface (422), and the disassembling surface (422) is in a slope shape with radian; applying a tightening torque on the auxiliary tool (2), wherein the auxiliary tool (2) applies a torque to the connector body (4) through the tightening surface (423); the unscrewing torque is applied to the auxiliary tool (2), the auxiliary tool (2) reduces torque transmission efficiency through the disassembly surface (422), and the auxiliary tool (2) deforms or causes a torque tool acting on the auxiliary tool (2) to slip.
2. The anti-disassembly connector according to claim 1, characterized in that the snap-in cavity (21) is provided with a peripheral edge (213); the clamping cavity (21) is sleeved with the connector body (4), and the surrounding edge (213) abuts against the connector body (4).
3. The anti-disassembly connector according to claim 1, characterized in that the connector body (4) is provided with an annular groove (43), the annular groove (43) intersects with the slot (42), and a snap spring (431) is provided in the annular groove (43).
4. The anti-disassembly connector according to claim 1, characterized in that one end of the slot (42) forms a limit step (421) with the connector body (4).
5. An anti-disassembly connector assembly comprising a pipe joint (3) and a connector, characterized in that the connector is an anti-disassembly connector as claimed in any one of claims 1-4.
6. An air conditioner, characterized in that an evaporator tube (1) and a connection tube (5) of the air conditioner are connected by using the anti-disassembly joint assembly as claimed in claim 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268891.3A CN109114339B (en) | 2018-10-29 | 2018-10-29 | Anti-disassembly connector, connector assembly and air conditioner |
| PCT/CN2019/113400 WO2020088372A1 (en) | 2018-10-29 | 2019-10-25 | Removal-proof connector, connector assembly, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268891.3A CN109114339B (en) | 2018-10-29 | 2018-10-29 | Anti-disassembly connector, connector assembly and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114339A CN109114339A (en) | 2019-01-01 |
| CN109114339B true CN109114339B (en) | 2023-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268891.3A Active CN109114339B (en) | 2018-10-29 | 2018-10-29 | Anti-disassembly connector, connector assembly and air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109114339B (en) |
| WO (1) | WO2020088372A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114339B (en) * | 2018-10-29 | 2023-08-11 | 奥克斯空调股份有限公司 | Anti-disassembly connector, connector assembly and air conditioner |
| CN111059376A (en) * | 2019-11-25 | 2020-04-24 | 青岛海尔空调器有限总公司 | Anti-disassembly pipe joint, anti-disassembly pipe joint assembly and air conditioner |
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| CN109114339B (en) * | 2018-10-29 | 2023-08-11 | 奥克斯空调股份有限公司 | Anti-disassembly connector, connector assembly and air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109114339A (en) | 2019-01-01 |
| WO2020088372A1 (en) | 2020-05-07 |
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