WO2020206967A1

WO2020206967A1 - Pipe buckle device and refrigerator comprising same

Info

Publication number: WO2020206967A1
Application number: PCT/CN2019/111175
Authority: WO
Inventors: 沈万辉; 范燕; 郭磊; 吕冲; 金健
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2019-04-12
Filing date: 2019-10-15
Publication date: 2020-10-15
Also published as: CN110043715A

Abstract

A pipe buckle device and a refrigerator comprising same. A pipe buckle device (100) comprises a base (1), and a primary buckling arm (21) and an auxiliary buckling arm (22) provided at intervals. The primary buckling arm (21) and the auxiliary buckling arm (22) comprise fixed ends (211, 221) connected to the base (1) and free ends (212, 222) distant from the base (1). Guide portions (213, 223) are provided at the free ends (212, 222), and are connected to buckling portions (214, 224). A pipe accommodation cavity (23) is formed between the two buckling portions (214, 224). An extension top of the guide portion (213) of the primary buckling arm (21) is higher than that of the guide portion (223) of the auxiliary buckling arm (22). The refrigerator comprises an evaporating dish. A heating pipe (300) in the evaporating dish is fixed by means of the pipe buckle device (100). When a pipe is fixed by the pipe buckle device, a protective case of the pipe is protected from being squeezed simultaneously by both sides, thereby prolonging the service life of the pipe and the refrigerator.

Description

[Name of invention established by ISA according to Rule 37.2] 　Pipe buckle device and refrigerator with the same

This application claims the priority of the Chinese patent application whose application date is April 12, 2019, the application number is 201910292795.0, and the invention title is "Pipe Snap Device and Refrigerator With The Same", the entire content of which is incorporated into this application by reference in.

Technical field

The invention relates to a fixing device, in particular to a pipe buckle device, and also to a refrigerator having the pipe buckle device.

Background technique

Tubular materials are widely used in daily life. Commonly used are heating pipes, water pipes, exhaust pipes, gas pipes, heating pipes, wire conduits, etc., which are easily displaced or entangled due to environmental influences during use, resulting in tubular materials Problems such as rupture, so it will be fixed with a fixing device.

In practical applications, in order to protect the tubular material, a protective cover is usually wrapped around the tubular material. However, the commonly used buckle device is easy to wear the protective cover. Once the tubular material loses the protection of the protective cover, it is easy to rust or crack , Thus causing leakage of liquid and gas in the pipe, affecting the use effect, reducing the service life, and even causing danger.

Summary of the invention

In order to solve the above technical problems, the purpose of the present invention is to provide a pipe buckle device and a refrigerator with the pipe buckle device, so as to solve the problem that the protective cover covered with the tubular material is easily worn out when the tubular material is fixed.

In order to achieve one of the above-mentioned objects of the invention, an embodiment of the present invention provides a pipe buckle device, which includes a base and a pair of spaced clamping arms, the clamping arms having a fixed end connected to the base and A free end extending away from the base along the first direction, the clamping arm includes a guide portion provided at the free end, an engaging portion connected to the guide portion, and a pipe is formed between the two engaging portions In the accommodating cavity, one of the pair of clamping arms is the main clamping arm and the other is the auxiliary clamping arm. In the first direction, the extending top end of the guide portion of the main clamping arm is higher than the auxiliary clamping arm The extended top end of the guide portion of the card arm.

As a further improvement of an embodiment of the present invention, each of the clamping arms has an interface formed between the guide portion and the engaging portion thereof, and in the first direction, the main clamping arm The interface surface of the auxiliary card arm is higher than the interface surface of the auxiliary card arm.

As a further improvement of an embodiment of the present invention, the guide portion has a guide surface, two of the guide surfaces are arranged in an inverted eight shape, and the angle between the guide surface of the main card arm and the first direction is greater than The angle between the guide surface of the auxiliary card arm and the first direction.

As a further improvement of an embodiment of the present invention, the two engaging parts are concavely provided with arc surfaces on the sides close to each other, and the two arc surfaces enclose the pipe containing cavity, and the two The arc surface is set to be different in at least one of the center, the radius, and the center angle.

As a further improvement of an embodiment of the present invention, the bottom ends of the two circular arc surfaces have the same height in the first direction.

As a further improvement of an embodiment of the present invention, the clamping arm is further provided with a connecting portion connecting the engaging portion and the base, the connecting portion is provided with a groove, and the groove is located at the connecting portion Close to or/and away from the other side of the connecting portion.

As a further improvement of an embodiment of the present invention, the connecting portion is further provided with a blocking portion, and the blocking portion is transversely disposed between the groove and the pipe receiving cavity in a vertical direction of the first direction.

As a further improvement of an embodiment of the present invention, a reinforcing rib is provided in the groove, and the reinforcing rib extends along the first direction and connects the blocking portion, the connecting portion and the base, and There is at least one set of stiffeners.

As a further improvement of an embodiment of the present invention, the side surfaces of the two clamping arms facing away from each other are planes arranged along the first direction.

In order to achieve one of the above-mentioned objects of the invention, an embodiment of the present invention also provides a refrigerator. The refrigerator includes an evaporating dish with a heating tube. The evaporating dish includes the above-mentioned tube clamping device, and the heating tube is The guide part is clamped in the pipe containing cavity.

Compared with the prior art, the present invention has the following beneficial effects: when the tubular material is fixed by the pipe buckle device of the present invention, only one part of the tubular material and the protective cover covered by it is in contact with the guide part of the clamping arm and receives force. , It can prevent the protective sleeve from being squeezed by the clamping arms on both sides at the same time, causing the part of the protective sleeve between the two clamping arms to be torn, thereby protecting the tubular material from damage, extending the tubular material and the machine The service life can avoid the leakage of the material in the tubular material, which will affect the use effect and even cause danger.

Description of the drawings

Fig. 1 is a schematic structural diagram of a pipe buckle device according to an embodiment of the present invention;

Figure 2 is a front view of a pipe buckle device according to an embodiment of the present invention;

Figure 3 is a longitudinal sectional view taken along line A-A in Figure 2;

4 is a schematic structural diagram of a refrigerator evaporating dish according to another embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a refrigerator evaporating dish with a heating tube removed from another embodiment of the present invention.

detailed description

The present invention will be described in detail below with reference to the specific embodiments shown in the drawings.

In each illustration of the present invention, for the convenience of illustration, some dimensions of the structure or part will be enlarged relative to other structures or parts, therefore, it is only used to illustrate the basic structure of the subject of the present invention.

It should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by these terms. These terms are only used to distinguish these description objects from each other.

Example 1

1 to 3, the pipe buckle device 100 provided by an embodiment of the present invention includes a base 1 and a pair of main clamping arms 21 and auxiliary clamping arms 22 spaced apart. The base 1 is used to support the main clamping arm 21 The auxiliary clamping arm 22, the main clamping arm 21 and the auxiliary clamping arm 22 work together to clamp and fix the tubular material. The end of the main clamping arm 21 connected with the base 1 is the first fixed end 211, and the end of the main clamping arm 21 away from the base 1 is the first free end 212. The end of the auxiliary clamping arm 22 connected with the base 1 is the second fixed end 221, and the end of the auxiliary clamping arm 22 away from the base 1 is the second free end 222.

To clearly express the position and direction described in this application, the direction from the first fixed end 211 to the first free end 212 is defined as the first direction, and the direction from the first free end 212 to the second free end 222 is defined as the first direction. Two directions. In this embodiment, the first direction is perpendicular to the bottom surface of the base 1, and the second direction is perpendicular to the first direction. Of course, it is not limited thereto. In addition, the direction along the first direction is defined as "top" or "up", and the opposite direction along the first direction is defined as "bottom" or "down".

The main card arm 21 has a first guide portion 213 provided at the first free end 212 and a first engaging portion 214 connected to the first guide portion 213, and the auxiliary card arm 22 has a second guide provided at the second free end 222 Part 223, a second engaging part 224 connected to the second guide part 223, a tube containing cavity 23 is formed between the first engaging part 214 and the second engaging part 224, and the tubular material passes through the first guide part 213 and the second The guide portion 223 enters the pipe containing cavity 23 and is enclosed and fixed by the first engaging portion 214 and the second engaging portion 224. In the first direction, the extending top end of the first guiding portion 213 is higher than the extending top end of the second guiding portion 223, that is, the distance between the extending top end of the first guiding portion 213 and the base 1 is greater than that of the second guiding portion The distance between the extension tip of 223 and the base 1 is convenient for the tubular material to first contact the first guiding part 213, and the tubular material is pressed against the first guiding part 213 by applying pressure, and the force is continued to make the tubular material and the first guiding part 213 Move away from the second guide part 223 together to enlarge the opening between the first guide part 213 and the second guide part 223, while the tubular material moves down along the first guide part 213; when the tubular material moves to contact the second guide part At 223, the tubular material leaves the first guiding part 213 and transfers to the second guiding part 223. Continue to apply pressure to press the tubular material and the second guiding part 223 to the side away from the first guiding part 213, while the tubular material moves along the second guiding part 213. The guiding part 223 moves downwards until it enters the pipe containing cavity 23. During this process, the tubular material contacts the first guiding part 213 and the second guiding part 223 in sequence and receives the reaction force, which prevents the tubular material from being simultaneously The squeezing of the guide part 213 and the second guide part 223 causes the part of the protective sheath covered by the tubular material between the first guide part 213 and the second guide part 223 to be torn.

In this embodiment, the main card arm 21 has an interface (not shown) formed between the first guide portion 213 and the first engaging portion 214, and the auxiliary card arm 22 has a second guide The interface (not shown in the figure) between the portion 223 and the second engaging portion 224. In the first direction, the interface of the main card arm 21 is higher than the interface of the auxiliary card arm 22 To put it another way, the distance between the interface surface of the main card arm 21 and the base 1 is greater than the distance between the interface surface of the auxiliary card arm 22 and the base 1. This arrangement makes the entrance of the pipe accommodating cavity 23 on the side of the main clamping arm 21 higher than its entrance on the side of the auxiliary clamping arm 22, so that when the tubular material enters the pipe accommodating cavity 23, it successively contacts the pipe accommodating cavity 23. The diameter portion prevents the tubular material from being squeezed by the narrowest diameter portion on both sides at the entrance of the pipe containing cavity 23 at the same time, causing the protective cover covered by it to be torn.

In this embodiment, the first guiding portion 213 has a first guiding surface 2131, and the second guiding portion 223 has a second guiding surface 2231. The first guiding surface 2131 and the second guiding surface 2231 are arranged in an inverted figure to facilitate guiding the tubular The material enters the pipe containing cavity 23 smoothly. Further, the included angle between the first guide surface 2131 and the first direction is greater than the included angle between the second guide surface 2231 and the first direction, which enlarges the opening between the first guide surface 2131 and the second guide surface 2231, and facilitates the tubular material It moves along the first guide surface 2131 and the second guide surface 2231 in sequence to enter the tube accommodating cavity 23 to prevent the tubular material from being squeezed from the first guide portion 213 and the second guide portion 223 at the same time.

In this embodiment, the first engagement portion 214 is recessed with a first arc surface 2141 on the side close to the second engagement portion 224, and the second engagement portion 224 is on the side close to the first engagement portion 214. A second arcuate surface 2241 is recessed, and the two enclose the tube accommodating cavity 23, which is convenient for fixing the tube material while protecting the tube material from being punctured by the first engaging portion 214 and the second engaging portion 224.

In this embodiment, the first circular arc surface 2141 and the second circular arc surface 2241 are arranged such that on a plane formed along the first direction and the second direction, the first circular arc surface 2141 and the second circular arc surface 2241 have The same center and the same radius, and the central angle of the first arc surface 2141 is greater than the central angle of the second arc surface 2241. Of course, in other feasible embodiments, the first circular arc surface 2141 and the second circular arc surface 2241 can also be set to be different from at least one of the center, radius, and central angle, which can further extend the tubular material away from the first The movement path of the guide part 213 before it contacts the second guide part 223 to prevent it from being pressed by the first guide part 213 and the second guide part 223 at the same time.

Further, in the first direction, the bottom end of the first arc surface 2141 and the bottom end of the second arc surface 2241 have the same height. To put it another way, the bottom end of the first arc surface 2141 and the base 1 The distance therebetween is equal to the distance between the bottom end of the second arc surface 2241 and the base 1.

In this embodiment, the main clamping arm 21 and the auxiliary clamping arm 22 are also provided with a connecting portion 24 respectively connecting the first engaging portion 214, the second engaging portion 224 and the base 1, and the connecting portion 24 is provided with a groove. 241. It is convenient for the main clamping arm 21 and the auxiliary clamping arm 22 to bend away from each other when the tubular material is clamped into the tube accommodating cavity 23. Specifically, the groove 241 may be located at the first connecting portion as shown in the embodiment of the drawings. 24a, the side of the second connecting portion 24b close to each other, or may be arranged on the side of the first connecting portion 24a, the second connecting portion 24b away from each other, or at the same time on the first connecting portion 24a, the second connecting portion 24b The connecting portion 24b is provided with grooves 241 on the side close to each other and the side far away from each other.

Further, the connecting portion 24 is also provided with a blocking portion 242, which is transversely disposed between the groove 241 and the pipe receiving cavity 23 along the vertical direction of the first direction to strengthen the main clamping arm 21 and the auxiliary clamping arm 22 to prevent it from breaking when bent.

Further, the groove 241 is also provided with a reinforcing rib 2411 for strengthening the clamping arm. The reinforcing rib 2411 extends along the first direction and connects the blocking portion 242, the connecting portion 24 and the base 1. The reinforcing rib 2411 may At least one set is arranged in parallel at intervals to increase the clamping force of the main clamping arm 21 and the auxiliary clamping arm 22 and reduce the probability of product damage.

In this embodiment, the sides of the main card arm 21 and the auxiliary card arm 22 facing away from each other are planes arranged along the first direction. This arrangement enhances the strength of the main card arm 21 and the auxiliary card arm 22 on the one hand. Preventing it from breaking when it is stuck into the tubular material, on the other hand, is beneficial to increase the resistance of the tubular material when the tubular material is released from the engaging part, and reduce the risk of accidental disconnection.

Example 2

4 and 5, which illustrate another embodiment of the present invention, this embodiment discloses an evaporating dish applied to a refrigerator, the evaporating dish includes a housing 200, a tube clamping device 100 and a heating tube 300 , Wherein the pipe buckle device 100 is integrally formed on the housing 200, the heating tube 300 is buckled in the pipe buckle device 100 for fixation, and the heating tube 300 includes a pipe body and a protective cover wrapped around the outer tube. The protective cover The materials are generally polyolefin (PO), polyvinyl chloride (PVC), polybutene (PB), PPR, silica gel, etc.

Specifically, with reference to FIGS. 1 to 3, the heating tube 300 first contacts the first guide surface 2131, presses the heating tube 300 to the first guide part 213 by applying a force, and continues to apply force to the heating tube 300 and the first guide part 213 Press away from the second guide portion 223 to expand the opening between the first guide portion 213 and the second guide portion 223, and at the same time the heating tube 300 moves along the first guide surface 2131 toward the tube containing cavity 23 until it touches When the second guide surface 2231, the heating tube 300 completely leaves the first guide part 213, transfers to the second guide part 223, and continues to apply force to push the heating tube 300 and the second guide part 223 away from the first guide part 213 At the same time, the heating tube 300 continues to move along the second guide surface 2231 toward the tube accommodating cavity 23 until it completely enters the tube accommodating cavity 23. At this time, the first guide portion 213 and the second guide portion 223 rebound to the initial position, The heating tube 300 is completely contained in the tube accommodating cavity 23 to avoid accidental ejection.

Compared with the prior art, the pipe buckle device and refrigerator provided by the present invention have the beneficial effect that: in the process of clamping the tubular material into the pipe buckle device, the tubular material only touches one guide part at a time, and is only affected by one The reaction force of the guide part on it, therefore, the protective sleeve covered by the tubular material will not be squeezed by the two guide parts during the process of moving the tubular material into the tube accommodating cavity. tear.

It should be understood that although this specification is described in accordance with the implementation manners, not each implementation manner only includes an independent technical solution. This narration in the specification is only for clarity, and those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible implementations of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementations or implementations made without departing from the technical spirit of the present invention All changes shall be included in the protection scope of the present invention.

Claims

A pipe buckle device, comprising a base and a pair of clamping arms arranged at intervals, characterized in that: the clamping arm has a fixed end connected with the base and a fixed end extending away from the base along a first direction The free end, the clamping arm includes a guide portion provided at the free end, and an engaging portion connected to the guide portion, a pipe containing cavity is formed between the two engaging portions, and a pair of the clamping arms One is the main card arm and the other is the auxiliary card arm. In the first direction, the extending top end of the guiding part of the main card arm is higher than the extending top end of the guiding part of the auxiliary card arm.
The pipe buckle device according to claim 1, wherein each of the chucking arms has an interface formed between the guide portion and the engaging portion thereof, in the first direction , The interface of the main card arm is higher than the interface of the auxiliary card arm.
The pipe buckle device according to claim 1, wherein the guide portion has a guide surface, two of the guide surfaces are arranged in an inverted eight shape, and the guide surface of the main clamping arm is connected to the first The included angle in one direction is greater than the included angle between the guide surface of the auxiliary card arm and the first direction.
The pipe buckle device according to claim 1, wherein the two engaging portions are concavely provided with arc surfaces on the sides close to each other, and the two arc surfaces enclose the pipe containing In the cavity, the two arc surfaces are set to be different in at least one of the center, the radius, and the center angle.
The pipe buckle device according to claim 4, wherein the bottom ends of the two arc surfaces have the same height in the first direction.
The pipe buckle device according to claim 1, wherein the clamping arm is further provided with a connecting portion connecting the engaging portion and the base, the connecting portion is provided with a groove, and the concave The groove is located on one side of the connecting part close to or/and far from the other connecting part.
The pipe buckle device according to claim 6, wherein the connecting portion is further provided with a blocking portion, and the blocking portion is transversely disposed between the groove and the groove in the vertical direction of the first direction. Between the pipe containing cavities.
The pipe buckle device according to claim 7, wherein a reinforcing rib is provided in the groove, and the reinforcing rib extends along the first direction and connects the blocking portion, the connecting portion and the In the base, there is at least one set of reinforcing ribs.
The pipe buckle device according to claim 1, wherein the side surfaces of the two clamping arms facing away from each other are planes arranged along the first direction.
A refrigerator comprising an evaporating dish with a heating tube, characterized in that: the evaporating dish comprises the tube clamping device according to claim 1, and the heating tube is clamped to the The pipe is contained in the cavity.