CN214040110U - Hall protective bracket and electronic expansion valve - Google Patents

Abstract

The utility model provides a hall protective cradle and electronic expansion valve, this hall protective cradle includes: the bracket comprises a bracket body, a first supporting part and a second supporting part, wherein the bracket body is provided with a top wall, a bottom wall and side walls which are oppositely arranged, the side walls comprise a first side wall and a second side wall which are oppositely arranged, the first side wall is provided with an installation groove which penetrates through the top wall and the bottom wall, the second side wall is provided with an auxiliary supporting part, and the auxiliary supporting part extends along the direction far away from the installation groove; the connecting piece is arranged on the top wall of the bracket body. Through the technical scheme that this application provided, can solve the problem that hall protective cradle among the prior art easily takes place the slope.

Description

Hall protective bracket and electronic expansion valve

Technical Field

The utility model relates to an electronic expansion valve technical field particularly, relates to a hall protective cradle and electronic expansion valve.

Background

At present, a hall protection bracket for mounting a hall sensor is arranged on a circuit board of an electronic expansion valve, and the hall sensor is fixed and protected by the hall protection bracket.

In the prior art, when the Hall protection bracket is installed on a circuit board, the Hall protection bracket is easy to incline and inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hall protective cradle and electronic expansion valve to solve the problem that hall protective cradle among the prior art easily takes place to incline.

According to the utility model discloses an aspect provides a hall protective cradle, and hall protective cradle includes: the bracket comprises a bracket body, a first supporting part and a second supporting part, wherein the bracket body is provided with a top wall, a bottom wall and side walls which are oppositely arranged, the side walls comprise a first side wall and a second side wall which are oppositely arranged, the first side wall is provided with an installation groove which penetrates through the top wall and the bottom wall, the second side wall is provided with an auxiliary supporting part, and the auxiliary supporting part extends along the direction far away from the installation groove; the connecting piece is arranged on the top wall of the bracket body.

Use the technical scheme of the utility model, this hall protective cradle include support body and connecting piece, and the connecting piece setting utilizes the connecting piece to realize being connected of support body and circuit board on the roof of support body. The first side wall of the support body is provided with a mounting groove which penetrates through the top wall and the bottom wall, and a Hall sensor can be mounted by using the mounting groove. Because the second lateral wall of support body has the auxiliary supporting part, the auxiliary supporting part extends along the direction of keeping away from the mounting groove, when assembling the support body to the circuit board, utilizes the auxiliary supporting part to support, can promote hall protective cradle's stability, avoids hall protective cradle to take place the slope, is convenient for assemble.

Furthermore, the second side wall comprises a first section, a second section and a third section which are connected in sequence, an included angle is formed between the first section and the third section, and the second section is parallel to the bottom of the mounting groove. The one end of being connected with the second section of first section and third section all extends towards the direction of keeping away from the mounting groove for the support body has the convex structure of outside salient, and this convex structure forms auxiliary stay portion.

Further, first lateral wall has the contained angle including the fourth section, fifth section and the sixth section that connect in order between fourth section and the sixth section, and the mounting groove sets up on the fifth section, and the tank bottom of mounting groove is parallel with the fifth section. Adopt above-mentioned structure, fourth section and sixth section are outwards extended, can increase the area of contact of support body and circuit board equally, and then promote hall protective cradle's stability.

Further, the side wall also comprises a third side wall and a fourth side wall which are oppositely arranged, and the first side wall, the third side wall, the second side wall and the fourth side wall are connected end to end. The first lateral wall of mounting groove and the opposite second lateral wall of mounting groove homoenergetic increase the area of contact of support body and circuit board, guarantee that hall protective cradle can not take place to rock.

Furthermore, one end of the connecting piece is connected with the top wall of the bracket body, and the other end of the connecting piece is provided with a conical surface and/or an arc-shaped surface. The circuit board is provided with a mounting hole for inserting the connecting piece, and in the process of inserting the connecting piece into the mounting hole, the conical surface and/or the arc surface can be used for playing a role in assembly guiding, so that the connecting piece can be conveniently inserted into the mounting hole.

Further, the Hall protection bracket comprises at least two connecting pieces, wherein the two connecting pieces are respectively arranged on two sides of the bracket body along the length direction. When the Hall protection bracket is connected with the circuit board, the two connecting pieces are respectively inserted into the two mounting holes of the circuit board, and the connecting wires of the two connecting pieces and the auxiliary supporting part are of triangular structures, so that the Hall sensor is accurately positioned, and the stability of the bracket body on the circuit board can be ensured.

Further, hall protective cradle includes three connecting piece, and wherein two connecting pieces set up respectively in support body along length direction's both sides, and another connecting piece setting is in the one side of keeping away from the mounting groove of roof, and three connecting piece encloses into the triangle-shaped structure jointly. Utilize three connecting piece to be connected with the circuit board simultaneously to utilize the auxiliary supporting part to support, can further promote hall protective cradle's stability in placement and firm in connection nature, make hall protective cradle location more accurate.

Further, the Hall protection bracket is of a symmetrical structure in the length direction. The center of gravity of the Hall protection bracket is located at the central position, and after the Hall protection bracket is connected with the circuit board, the Hall protection bracket is guaranteed not to shake.

Further, hall protective cradle still includes the auxiliary stand, and the auxiliary stand setting corresponds the mounting groove setting on the diapire. Utilize auxiliary stand to carry on spacingly to hall sensor, guarantee that hall sensor can not drop from the mounting groove.

According to the utility model discloses an on the other hand provides an electronic expansion valve, and electronic expansion valve includes: the Hall protection bracket is the Hall protection bracket provided by the above way; the circuit board is connected with the connecting piece of the Hall protection bracket; and the Hall sensor is assembled in the mounting groove of the Hall protection bracket. Therefore, the electronic expansion valve can also utilize the auxiliary supporting part to increase the contact area of the support body and the circuit board, so that the stability of the Hall protection support is improved, the Hall protection support is prevented from inclining, and the assembly is facilitated.

Drawings

The accompanying drawings, which form a part of the present application, 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 and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a hall protection bracket according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a hall protection bracket according to a first embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a hall protection bracket according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a hall protection bracket according to an embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a hall protection bracket according to an embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a hall protection bracket according to a first embodiment of the present invention;

fig. 7 shows a schematic structural diagram of a hall protection bracket according to a second embodiment of the present invention;

fig. 8 shows a schematic structural diagram of a hall protection bracket according to a second embodiment of the present invention;

fig. 9 is an assembly view of a hall protection bracket, a hall sensor and a circuit board provided by an embodiment of the present invention;

fig. 10 is an assembly view of a hall protection bracket, a hall sensor and a circuit board provided by an embodiment of the present invention;

fig. 11 shows an assembly view of a hall protection bracket, a hall sensor and a circuit board provided by an embodiment of the present invention;

fig. 12 is an assembly view of a hall protection bracket, a hall sensor and a circuit board provided by an embodiment of the present invention;

FIG. 13 shows a partial enlarged view at A in FIG. 12;

fig. 14 is a schematic structural diagram of an electronic expansion valve according to a third embodiment of the present invention;

fig. 15 shows a partial enlarged view at B in fig. 14.

Wherein the figures include the following reference numerals:

10. a stent body; 11. a top wall; 12. a bottom wall; 131. a first side wall; 1311. a fourth stage; 1312. a fifth stage; 1313. a sixth stage; 132. a second side wall; 1321. a first stage; 1322. a second stage; 1323. a third stage; 133. a third side wall; 134. a fourth side wall; 14. mounting grooves; 15. an auxiliary support portion; 20. a connecting member; 21. a conical surface; 30. a circuit board; 40. and a Hall sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the first embodiment of the present invention provides a hall protective bracket, which includes a bracket body 10 and a connecting member 20, wherein the bracket body 10 has a top wall 11, a bottom wall 12 and a side wall which are arranged relatively, the connecting member 20 is arranged on the top wall 11 of the bracket body 10, and the connecting member 20 can be used to connect the bracket body 10 and a circuit board 30. In the present embodiment, the side walls include a first side wall 131 and a second side wall 132 which are oppositely arranged, the first side wall 131 is provided with a mounting groove 14 which penetrates through the top wall 11 and the bottom wall 12, the second side wall 132 is provided with an auxiliary supporting portion 15, and the auxiliary supporting portion 15 extends in a direction away from the mounting groove 14.

Use the hall protective cradle that this embodiment provided, when being connected support body 10 and circuit board 30, because auxiliary supporting part 15 extends along the direction of keeping away from mounting groove 14, auxiliary supporting part 15 can increase the area of contact of support body 10 and circuit board 30, and the atress is more stable, and then promotes hall protective cradle's stability, avoids hall protective cradle to take place the slope, is convenient for assemble. Moreover, since the mounting groove 14 on the first side wall 131 penetrates through the top wall 11 and the bottom wall 12, the hall sensor 40 can be assembled into the mounting groove 14 in multiple orientations, which can further improve the convenience of assembly.

The auxiliary support portion 15 includes, but is not limited to, a support boss, a support column, etc., as long as the auxiliary support portion 15 can be used for supporting.

As shown in fig. 1, in the present embodiment, the second sidewall 132 includes a first segment 1321, a second segment 1322 and a third segment 1323 connected in sequence, the first segment 1321 and the third segment 1323 form an included angle therebetween, and the second segment 1322 is parallel to the bottom of the mounting groove 14. The ends of the first and third segments 1321 and 1323 connected to the second segment 1322 each extend away from the mounting groove 14, so that the holder body 10 has an outwardly protruding boss structure that forms the auxiliary support 15.

In other embodiments, the second segment 1322 may not be provided, and only the first segment 1321 and the third segment 1323 are provided, so that the first segment 1321 and the third segment 1323 jointly extend in a direction away from the mounting groove 14, so that the second side wall 132 forms a triangular structure, which can also play a role of auxiliary support.

As shown in fig. 1 and 2, in the present embodiment, the first sidewall 131 includes a fourth segment 1311, a fifth segment 1312, and a sixth segment 1313 connected in sequence, the fourth segment 1311 and the sixth segment 1313 have an included angle therebetween, the mounting groove 14 is disposed on the fifth segment 1312, and the groove bottom of the mounting groove 14 is parallel to the fifth segment 1312. By adopting the structure, the fourth section 1311 and the sixth section 1313 extend outwards, so that the contact area between the bracket body 10 and the circuit board 30 can be increased, and the stability of the hall protection bracket is improved.

As shown in fig. 1, the side wall further includes a third side wall 133 and a fourth side wall 134 which are oppositely disposed, and the first side wall 131, the third side wall 133, the second side wall 132 and the fourth side wall 134 are connected end to end. In this embodiment, the first side wall 131 of the mounting groove 14 and the second side wall 132 opposite to the mounting groove 14 can both increase the contact area between the bracket body 10 and the circuit board 30, and ensure that the hall protection bracket does not shake.

Wherein, one end of the connecting piece 20 is connected with the top wall 11 of the bracket body 10, and the other end of the connecting piece 20 is provided with a conical surface 21 and/or an arc surface. The circuit board 30 is provided with a mounting hole for inserting the connector 20, and in the process of inserting the connector 20 into the mounting hole, the conical surface 21 and/or the arc surface can play a role in assembly guiding, so that the connector 20 can be conveniently inserted into the mounting hole.

In the present embodiment, one end of the connector 20 for insertion into the mounting hole is provided with a tapered surface 21. In other embodiments, an arc-shaped surface may be provided at the end of the connector 20 for insertion into the mounting hole, or both the tapered surface 21 and the arc-shaped surface may be provided.

Specifically, in the present embodiment, the connecting member 20 has a cylindrical structure.

In the present embodiment, a direction in which the first sidewall 131 points toward the second sidewall 132 is a width direction of the holder body 10.

As shown in fig. 1 and 2, in the present embodiment, the hall protection bracket includes two connection members 20, and the two connection members 20 are respectively disposed at both sides of the bracket body 10 in the length direction. When the hall protection bracket is connected with the circuit board 30, the two connecting pieces 20 are respectively inserted into the two mounting holes of the circuit board 30, and the connecting lines of the two connecting pieces 20 and the auxiliary supporting part 15 are of a triangular structure, so that the hall sensor 40 is accurately positioned, and the stability of the bracket body 10 on the circuit board 30 can be ensured. In other embodiments, the number of connectors 20 can be increased, and the position of the increased connectors 20 can be adjusted according to the use requirements.

Wherein the height dimensions of the two connecting pieces 20 are the same.

Specifically, the Hall protection bracket is of a symmetrical structure in the length direction, the center of gravity of the Hall protection bracket is located at the center, and after the Hall protection bracket is connected with the circuit board 30, the Hall protection bracket is guaranteed not to shake.

Wherein, hall protective bracket still includes the auxiliary stand, and the auxiliary stand setting is on diapire 12 and corresponds mounting groove 14 setting. Utilize the auxiliary stand can carry on spacingly to hall sensor 40, guarantee that hall sensor 40 can not drop from the mounting groove 14. Specifically, one side of the auxiliary support and the bottom wall 12 are extended below the mounting groove 14, and the hall sensor 40 in the mounting groove 14 is limited by the auxiliary support. Wherein, the auxiliary stand includes but not limited to limiting plate.

As shown in fig. 7 to 13, a second embodiment of the present invention provides a hall protection bracket, and the difference between the second embodiment and the first embodiment is that in the second embodiment, the hall protection bracket includes three connecting members 20. Two of them connecting piece 20 set up respectively in support body 10 along length direction's both sides, and another connecting piece 20 sets up the one side of keeping away from mounting groove 14 at roof 11, and three connecting piece 20 enclose into the triangle-shaped structure jointly. Utilize three connecting piece 20 to be connected with circuit board 30 simultaneously to utilize auxiliary supporting portion 15 to support, can further promote hall shield's stability in placement and firm in connection nature, make hall shield location more accurate.

Wherein the height dimensions of the three connectors 20 are the same.

As shown in fig. 14 and 15, a third embodiment of the present invention provides an electronic expansion valve, which includes a hall protection bracket, a circuit board 30 and a hall sensor 40, wherein the hall protection bracket is the hall protection bracket provided above. And the circuit board 30, wherein the circuit board 30 is connected with the connecting piece 20 of the Hall protection bracket. And the Hall sensor 40, wherein the Hall sensor 40 is assembled in the mounting groove 14 of the Hall protection bracket. Therefore, the electronic expansion valve can also utilize the auxiliary supporting part 15 to increase the contact area between the support body 10 and the circuit board 30, so as to improve the stability of the hall protection support, avoid the hall protection support from tilting, and facilitate assembly.

The device provided by the embodiment has the following beneficial effects:

(1) two connecting pieces 20 and the auxiliary supporting part 15 or three connecting pieces 20 are used for realizing three points and one surface, so that the stability is better, and the Hall sensor 40 can be ensured not to incline;

(2) the connecting piece 20 is provided with a conical surface 21 and/or an arc surface, so that the installation is convenient;

(3) the mounting groove 14 runs through the top wall 11 and the bottom wall 12, and a shielding structure does not exist between the Hall sensor 40 and the circuit board 30, so that the detection precision can be 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.

Unless specifically stated 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. 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 should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, 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 simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted 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 if not stated otherwise, the terms have no special meaning, 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 (10)

1. The Hall protective bracket is characterized by comprising:

the support frame comprises a support frame body (10) and a support frame, wherein the support frame body is provided with a top wall (11), a bottom wall (12) and side walls which are arranged oppositely, the side walls comprise a first side wall (131) and a second side wall (132) which are arranged oppositely, a mounting groove (14) penetrating through the top wall (11) and the bottom wall (12) is arranged on the first side wall (131), the second side wall (132) is provided with an auxiliary supporting part (15), and the auxiliary supporting part (15) extends along the direction far away from the mounting groove (14);

the connecting piece (20) is arranged on the top wall (11) of the bracket body (10).

2. The Hall protection bracket according to claim 1, wherein the second side wall (132) comprises a first section (1321), a second section (1322) and a third section (1323) which are connected in sequence, an included angle is formed between the first section (1321) and the third section (1323), and the second section (1322) is parallel to the bottom of the mounting groove (14).

3. The Hall protection bracket according to claim 1, characterized in that the first side wall (131) comprises a fourth section (1311), a fifth section (1312) and a sixth section (1313) which are connected in sequence, an included angle is formed between the fourth section (1311) and the sixth section (1313), the mounting groove (14) is arranged on the fifth section (1312), and the groove bottom of the mounting groove (14) is parallel to the fifth section (1312).

4. The hall guard bracket of claim 1 wherein the side walls further comprise third and fourth oppositely disposed side walls (133, 134), the first, third, second and fourth side walls (131, 133, 132, 134) being connected end to end.

5. The hall protection bracket according to claim 1, characterized in that one end of the connecting piece (20) is connected with the top wall (11) of the bracket body (10), and the other end of the connecting piece (20) is provided with a conical surface (21) and/or an arc surface.

6. The Hall protection bracket according to any one of claims 1 to 5, characterized in that the Hall protection bracket comprises at least two connecting pieces (20), wherein the two connecting pieces (20) are respectively arranged on two sides of the bracket body (10) along the length direction.

7. The Hall protection bracket according to any one of claims 1 to 5, characterized in that the Hall protection bracket comprises three connecting pieces (20), wherein two connecting pieces (20) are respectively arranged at two sides of the bracket body (10) along the length direction, the other connecting piece (20) is arranged at one side of the top wall (11) far away from the mounting groove (14), and the three connecting pieces (20) jointly enclose a triangular structure.

8. The Hall protection bracket according to any one of claims 1 to 5, wherein the Hall protection bracket is of a symmetrical structure in a length direction.

9. The Hall protection bracket according to any of claims 1 to 5, further comprising an auxiliary bracket disposed on the bottom wall (12) and corresponding to the mounting groove (14).

10. An electronic expansion valve, comprising:

the Hall protection bracket is the Hall protection bracket of any one of claims 1 to 9;

the circuit board (30), the said circuit board (30) is connected with the connecting piece (20) of the said Hall protective bracket;

the Hall sensor (40), the Hall sensor (40) assemble in hall protective bracket's mounting groove (14).

Images