CN215806682U - Clamping assembly and electronic expansion valve with same - Google Patents

Abstract

The utility model provides a clamping assembly and an electronic expansion valve with the same. The clamping assembly comprises a fixing piece and a clamping piece, wherein the fixing piece is provided with an assembling ring and a clamping ring which are connected with each other, the assembling ring is used for being sleeved on the periphery of the valve body and is matched and fixed with the valve body, the clamping ring and the assembling ring are coaxially arranged, the clamping ring is positioned on the periphery of the assembling ring, a plurality of clamping holes are formed in the clamping ring, and the clamping holes are arranged at intervals along the circumferential direction of the clamping ring; the clamping piece is used for being fixedly connected with the coil and provided with a protruding portion, and the clamping piece is selectively clamped with the clamping hole in a matched mode through the protruding portion so as to fix the coil on the valve body. Through the technical scheme that this application provided, can solve the problem that coil among the prior art easily takes place to interfere with other spare parts.

Description

Clamping assembly and electronic expansion valve with same

Technical Field

The utility model relates to the technical field of electronic expansion valves, in particular to a clamping component and an electronic expansion valve with the same.

Background

The electronic expansion valve is widely applied to a refrigeration system, and generally comprises a valve body and a coil which are arranged independently, wherein the coil is sleeved on the periphery of the valve body, a clamping component is arranged between the coil and the valve body, and the coil and the valve body are matched and fixed through the clamping component. In the prior art, when the coil is assembled, the installation orientation of the coil is not usually selected. Therefore, when the electronic expansion valve is applied to a different application, the coil may interfere with other components.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping component and an electronic expansion valve with the same, and aims to solve the problem that a coil in the prior art is easy to interfere with other parts.

According to an aspect of the present invention, there is provided a clamping assembly including: the fixing piece is provided with an assembling ring and a clamping ring which are connected with each other, the assembling ring is sleeved on the periphery of the valve body and is matched and fixed with the valve body, the clamping ring and the assembling ring are coaxially arranged, the clamping ring is positioned on the periphery of the assembling ring, a plurality of clamping holes are formed in the clamping ring, and the clamping holes are arranged at intervals along the circumferential direction of the clamping ring; the clamping piece is used for being fixedly connected with the coil and provided with a protruding portion, and the clamping piece is selectively clamped with the clamping hole in a matched mode through the protruding portion so as to fix the coil on the valve body.

When the technical scheme of the utility model is applied, when the coil and the valve body are assembled, the fixing piece is firstly fixed on the valve body, then the coil is sleeved on the periphery of the valve body, and the coil is rotated until the position of the coil is determined, so that the bulge part is in clamping fit with one clamping hole, and the connection of the coil and the clamping ring is realized. Compared with the traditional technical scheme, when the clamping assembly fixes the coil and the valve body, the installation position of the coil can be adjusted according to different application occasions, so that the situation that the coil interferes with other parts can be avoided, and the adaptability of the electronic expansion valve is improved.

Further, a snap ring is provided at the end of the mounting ring. So set up, can enough guarantee overall structure's compactedness, also can reduce the manufacturing cost of joint spare.

Further, the clamping ring is connected with the assembling ring in an integrated forming mode. Above-mentioned setting can enough make things convenient for mounting machine-shaping, also can guarantee the structural strength of mounting.

Furthermore, the joint spare has linkage segment and the joint section of relative setting, and the linkage segment is used for and coil fixed connection, and the bellying sets up on the joint section. So set up, can make joint spare and coil realize split type processing, make things convenient for the machine-shaping of coil, and can match the joint spare of different specifications for different coils according to specific assembly operating mode to adapt to different work occasions.

Furthermore, the connecting section and the clamping section have included angles, the connecting section and the clamping section are respectively located on two sides of the clamping ring along the axis direction of the clamping ring, and a notch is formed in the clamping ring and used for avoiding the clamping piece. The clamping section is enabled to play an axial limiting role in the vibration of the coil by the arrangement, so that the stability of clamping between the coil and the fixing piece is ensured.

Further, the width of the gap is larger than that of the clamping section.

Further, the connecting section extends along the axis direction of the clamping ring, and the clamping section extends along the radial direction of the clamping ring. So set up, can make and form the contained angle between joint section and the linkage segment, and make things convenient for the machine-shaping of joint spare.

Further, the side wall of the connecting section is connected with the side wall of the coil, and the surface of the side wall of the connecting section is an arc surface. So set up, can increase the area of contact between linkage segment and the coil, guarantee the stability of being connected between linkage segment and the coil.

Further, a transition section is arranged between the connecting section and the clamping section, the transition section extends along the axis direction of the clamping ring, the width dimension of the transition section is smaller than that of the connecting section, and the connecting section, the transition section and the clamping section are connected in an integrated forming mode. So set up, can make things convenient for the machine-shaping of joint spare, and can guarantee the structural strength of joint spare.

Further, the projection is located at an end of the clamping section away from the transition section. So set up, can make things convenient for the machine-shaping of bellying, and can reduce the raw and other materials that need when processing joint spare, practice thrift manufacturing cost.

According to another aspect of the present invention, there is provided an electronic expansion valve, which comprises a valve body, a coil and the clamping assembly, wherein the assembling ring of the clamping assembly is sleeved on the valve body and is fixedly connected with the valve body, and the clamping member is fixedly connected with the coil.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of an electronic expansion valve provided by the present invention;

FIG. 2 shows a partial enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the assembly of the retainer and the valve body provided by the present invention;

FIG. 4 shows a front view of a mount provided by the present invention;

FIG. 5 shows a top view of a mount provided by the present invention;

fig. 6 shows a schematic structural diagram of a clip provided by the present invention;

fig. 7 shows a front view of a clip provided by the present invention;

figure 8 shows a side view of a clip provided by the present invention;

figure 9 shows a top view of a clip provided by the present invention;

fig. 10 illustrates a bottom view of the electronic expansion valve provided by the present invention.

Wherein the figures include the following reference numerals:

10. a fixing member; 11. assembling a ring; 12. a snap ring; 121. a clamping hole; 122. a notch;

20. a clamping piece; 201. a boss portion; 21. a connecting section; 22. a clamping section; 23. a transition section;

1. a valve body; 2. and a coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a fastening assembly, which includes a fastening member 10 and a fastening member 20. Wherein, mounting 10 has interconnect's collar 11 and joint ring 12, and collar 11 is used for the cover to establish in the periphery of valve body 1 to fixed with the cooperation of valve body 1, joint ring 12 and 11 coaxial settings of collar, and joint ring 12 is located the periphery of collar 11, is provided with a plurality of joint holes 121 on the joint ring 12, and a plurality of joint holes 121 set up along the circumference interval of joint ring 12. The clamping piece 20 is used for being fixedly connected with the coil 2, the clamping piece 20 is provided with a protruding portion 201, and the clamping piece 20 can be selectively matched and clamped with the clamping hole 121 through the protruding portion 201 so as to fix the coil 2 on the valve body 1.

When the technical scheme of the utility model is applied, when the coil 2 and the valve body 1 are assembled, the fixing piece 10 is firstly fixed on the valve body 1, then the coil 2 is sleeved on the periphery of the valve body 1, and the coil 2 is rotated until the position of the coil 2 is determined, so that the bulge part 201 is in clamping fit with one clamping hole 121, and the connection of the coil 2 and the clamping ring 12 is realized. Compared with the traditional technical scheme, when the clamping assembly fixes the coil 2 and the valve body 1, the installation position of the coil 2 can be adjusted according to different application occasions, so that the situation that the coil 2 interferes with other parts can be avoided, and the adaptability of the electronic expansion valve is improved. In addition, the installation of the mounting ring 11 can increase the contact area between the fixing member 10 and the valve body 1, and thus can increase the stability of the connection between the fixing member 10 and the valve body 1.

Optionally, the clamping hole 121 is any one of a circular hole, an elliptical hole and a kidney-shaped hole, and the shape of the clamping hole 121 is not specifically limited, and the protrusion 201 is adapted to the clamping hole 121 and can be clamped with the clamping hole 121.

The snap ring 12 may be located at the middle or end of the mounting ring 11. As shown in fig. 4, a snap ring 12 is provided at an end of the fitting ring 11. When the fixing member 10 is sleeved, the valve body 1 sequentially passes through the assembling ring 11 and the clamping ring 12. So set up, can reduce the distance between joint ring 12 and the coil 2, reduce the length along 1 axis direction of valve body of joint spare 20, reduce the manufacturing cost of joint spare 20, simultaneously, also can guarantee overall structure's compactedness.

Alternatively, the snap ring 12 is provided separately from the mounting ring 11, and the snap ring 12 and the mounting ring 11 may be connected by welding or fastening. In this embodiment, the clamping ring 12 is integrally formed with the assembling ring 11, and the joint between the clamping ring 12 and the assembling ring 11 is in arc transition connection. By the arrangement, the fixing piece 10 can be conveniently machined and formed, and meanwhile, the structural strength of the fixing piece 10 can be guaranteed.

Specifically, the mounting ring 11 is in clearance fit with the valve body 1, and the mounting ring 11 is fixed on the valve body 1 by welding. So set up, can enough promote the convenience of mounting 10 installation, also can guarantee the stability of mounting 10 installation.

As shown in fig. 4 to 9, the clip 20 has a connecting section 21 and a clip section 22 which are oppositely arranged, the connecting section 21 is used for fixedly connecting with the coil 2, and the protrusion 201 is arranged on the clip section 22. During assembly, the connecting section 21 is fixed on the coil 2, and then the coil 2 is sleeved on the periphery of the valve body 1, so that the protruding portion 201 is in clamping fit with the clamping hole 121. So set up, can make joint spare 20 and coil 2 realize split type processing, make things convenient for the machine-shaping of coil 2, and can match the joint spare 20 of different specifications for different coil 2 according to specific assembly operating mode to adapt to different work occasions.

Connecting segment 21 and joint section 22 have the contained angle, and along the axis direction of joint ring 12, connecting segment 21 and joint section 22 are located the both sides of joint ring 12 respectively, are provided with breach 122 on the joint ring 12, and breach 122 is used for dodging joint spare 20. When the coil 2 is assembled, the clamping section 22 is aligned to the notch 122, the coil 2 is moved, the clamping section 22 is positioned on one side of the clamping ring 12, which is far away from the connecting section 21, and the end part of the coil 2 is abutted to the end surface of the clamping ring 12; then, after the coil 2 is rotated to a proper position, the protrusions 201 are inserted into the corresponding engaging holes 121 to be engaged and fixed. Above-mentioned setting for behind bellying 201 embedded into joint hole 121, the both sides of joint ring 12 respectively with coil 2 and joint section 22 butt, when electronic expansion valve work takes place to vibrate, coil 2 vibrates along with electronic expansion valve's vibration, joint section 22 plays the spacing effect of axial to coil 2's vibration this moment, with the stability of joint between assurance coil 2 and mounting 10.

Further, the width of the gap 122 is greater than the width of the snap section 22. With such an arrangement, interference between the clamping ring 12 and the clamping section 22 can be avoided, and the clamping section 22 can smoothly pass through the notch 122, so as to ensure the smoothness of the installation of the coil 2.

In particular, the connecting section 21 extends in the axial direction of the snap ring 12, and the snap section 22 extends in the radial direction of the snap ring 12. The arrangement makes an included angle between the connecting section 21 and the clamping section 22, and facilitates the processing and forming of the clamping piece 20. The specific shapes of the clamping section 22 and the notch 122 are not limited, as long as the clamping section 22 can pass through the notch 122. In this embodiment, the cross section of the snap section 22 is rectangular and the cross section of the notch 122 is trapezoidal along the radial direction of the snap ring 12. Along the direction from the center to the edge of the clamping ring 12, the width of the notch 122 gradually increases, the minimum width of the notch 122 is greater than the width of the clamping section 22, and one end of the clamping section 22, which is far away from the center of the clamping ring 12, protrudes out of the notch 122.

Specifically, the side wall of the connection section 21 is connected to the side wall of the coil 2, and the surface of the side wall of the connection section 21 is an arc surface. So set up, can guarantee the area of contact between linkage segment 21 and the coil 2, guarantee the stability of being connected between linkage segment 21 and the coil 2.

Further, a transition section 23 is arranged between the connecting section 21 and the clamping section 22, the transition section 23 extends along the axial direction of the clamping ring 12, the width dimension of the transition section 23 is smaller than that of the connecting section 21, and the connecting section 21, the transition section 23 and the clamping section 22 are connected in an integrated forming mode. Further, the transition section 23 is located on the outer periphery of the snap ring 12, and the connection position of the transition section 23 and the snap section 22 is an arc transition connection. So set up, can make things convenient for the machine-shaping of joint spare 20, and can guarantee the structural strength of joint spare 20. In addition, the width dimension of changeover portion 23 is less than the width dimension of linkage segment 21, so set up, raw and other materials when can reducing processing joint spare 20, reduction in production cost.

Further, the boss 201 is located at an end of the clamping section 22 away from the transition section 23. Specifically, the end of the snap section 22 is stamped to form the boss 201. So set up, can make things convenient for the machine-shaping of bellying 201, and can reduce the raw and other materials that need when processing joint spare 20, practice thrift manufacturing cost.

Another embodiment of the present invention provides an electronic expansion valve, as shown in fig. 1 and 10, which includes a valve body 1, a coil 2, and a clamping assembly as described above, wherein an assembly ring 11 of the clamping assembly is sleeved on the valve body 1 and is fixedly connected to the valve body 1, and a clamping member 20 is fixedly connected to the coil 2.

Compared with the traditional technical scheme, when the clamping assembly fixes the coil 2 and the valve body 1, the installation position of the coil 2 can be adjusted according to different application occasions, so that the situation that the coil 2 interferes with other parts can be avoided, and the adaptability of the electronic expansion valve is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A clamping assembly, the clamping assembly comprising:

the fixing piece (10) is provided with an assembling ring (11) and a clamping ring (12) which are connected with each other, the assembling ring (11) is used for being sleeved on the periphery of the valve body (1) and is matched and fixed with the valve body (1), the clamping ring (12) and the assembling ring (11) are coaxially arranged, the clamping ring (12) is located on the periphery of the assembling ring (11), a plurality of clamping holes (121) are formed in the clamping ring (12), and the clamping holes (121) are arranged at intervals along the circumferential direction of the clamping ring (12);

joint spare (20) for with coil (2) fixed connection, joint spare (20) have bellying (211), joint spare (20) pass through bellying (211) optionally with joint hole (121) cooperation joint, in order to incite somebody to action coil (2) are fixed on valve body (1).

2. A card assembly according to claim 1, characterized in that the clamping ring (12) is arranged at the end of the mounting ring (11).

3. A card assembly according to claim 1, characterized in that the clamping ring (12) is integrally connected with the mounting ring (11).

4. The clamping assembly according to claim 1, wherein the clamping member (20) has a connecting section (21) and a clamping section (22) which are arranged opposite to each other, the connecting section (21) is used for fixedly connecting with the coil (2), and the protrusion (211) is arranged on the clamping section (22).

5. The clamping assembly according to claim 4, wherein the connecting section (21) and the clamping section (22) have an included angle, the connecting section (21) and the clamping section (22) are respectively located on two sides of the clamping ring (12) along an axial direction of the clamping ring (12), a notch (122) is arranged on the clamping ring (12), and the notch (122) is used for avoiding the clamping piece (20).

6. A clamping assembly according to claim 5, wherein the width of the gap (122) is greater than the width of the clamping section (22).

7. A card assembly according to claim 5, characterized in that the connecting section (21) extends in the axial direction of the clamping ring (12), and the card section (22) extends in the radial direction of the clamping ring (12).

8. A card assembly according to claim 7, characterized in that the side walls of the connecting section (21) are connected with the side walls of the coil (2), the surface of the side walls of the connecting section (21) being an arc surface.

9. The clamping assembly of claim 7, wherein a transition section (23) is arranged between the connecting section (21) and the clamping section (22), the transition section (23) extends along the axial direction of the clamping ring (12), the width of the transition section (23) is smaller than that of the connecting section (21), and the connecting section (21), the transition section (23) and the clamping section (22) are connected in an integrated forming mode.

10. A clamping assembly according to claim 9, wherein the projection (211) is located at an end of the clamping section (22) remote from the transition section (23).

11. An electronic expansion valve, characterized by, including valve body (1), coil (2) and claim 1 to 10 any one the joint subassembly, the assembly ring (11) cover of joint subassembly is established on valve body (1), and with valve body (1) fixed connection, joint spare (20) with coil (2) fixed connection.

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