Stator structure with integrally formed backpack structure

Abstract

The utility model discloses a stator structure with an integrally formed knapsack structure, which comprises a shell, any side of the shell is provided with the knapsack structure integrally connected with the shell, a connecting part used for connection is arranged between the shell and the knapsack structure, and two sides of the connecting part are respectively integrally formed with the shell and the knapsack structure. The knapsack is reasonable in structural design, and the knapsack structure and the shell are integrally formed, so that the assembly procedure is simplified, the technological process is simplified, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of expansion valve, especially to a stator structure with integrated back pack structure. BACKGROUND

[0002] In prior art, due to product requirement, two housings are usually designed to install stator assembly and PCB board respectively, the two housing parts are usually connected by buckle or other connecting structure, this structure increases assembly procedure, makes process flow become complex, and the two housings cannot be tightly connected due to assembly failure, which increases workpiece failure rate. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem in the prior art, and provides a stator structure with integrated back pack structure.

[0004] The utility model provides a stator structure with integrated back pack structure, which solves the above technical problem and adopts the technical scheme that the stator structure with integrated back pack structure comprises an outer shell, any side of the outer shell is arranged with a back pack structure integrally connected with the outer shell, a connecting part for connection is arranged between the outer shell and the back pack structure, and the connecting part is integrally formed on the two sides of the outer shell and the back pack structure.

[0005] Preferably, the two sides of the connecting part are integrally connected with the outer shell and the back pack structure through smooth circular arc surfaces.

[0006] Preferably, the utility model further comprises a PCB board and a stator assembly arranged in the outer shell, the stator assembly comprises a stator outer shell and a stator unit arranged in the stator outer shell.

[0007] Preferably, the back pack structure is provided with a mounting cavity on the side surface, a plurality of fixing buckles for fixing the PCB board vertically extend upwards along the bottom of the mounting cavity, and a fixing part buckle for mounting and connecting with other accessories is arranged on the outer side surface of the mounting cavity.

[0008] Preferably, the stator outer shell is provided with a positioning hole matched with the stator unit.

[0009] Preferably, the back pack structure is provided with a first pin assembly, and the stator unit is fixed with a second pin assembly.

[0010] Preferably, the first pin assembly comprises a base and a plurality of L-shaped pins arranged on the base.

[0011] Preferably, the second pin assembly comprises a plurality of base bodies and L-shaped pin bodies arranged on the base bodies, one end of the pin body is connected with the base body upwards or downwards according to the direction of the base body, and the other end of the pin body is connected with the back pack structure.

[0012] Preferably, the back pack structure further comprises a shell cover, and the shell cover covers the mounting cavity.

[0013] Compared with the prior art, the backpack structure and the shell are integrally formed, the assembly procedure is simplified, the process flow is simplified, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural schematic view of the utility model;

[0015] Fig. 2 is an exploded structural schematic view of the utility model;

[0016] Fig. 3 is an exploded structural schematic view of the utility model.

[0017] Significant: 1, shell; 2, backpack structure; 21, installation cavity; 22, fixed buckle; 23, fixed piece buckle; 24, first pin assembly; 241, base; 242, pin; 3, PCB board; 4, stator shell; 41, positioning hole; 5, stator unit; 51, second pin assembly; 511, base body; 512, needle body; 6, shell cover; 7, connecting part. DETAILED DESCRIPTION

[0018] The following will disclose a plurality of embodiments of the utility model with drawings, for the purpose of clear illustration, many practical details will be described in the following description. However, it should be appreciated that these practical details should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic manner in the drawings.

[0019] It should be noted that all directional indications in the embodiments of the utility model, such as up, down, left, right, front, back, etc. are used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications will also change accordingly.

[0020] In addition, in addition to being used to represent the orientation or position relationship, the above-mentioned part of the terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases, and for ordinary skilled persons in the art, the specific meaning of these terms in the utility model can be understood according to the specific situation.

[0021] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked", "sleeved" should be interpreted broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. The connection mode involved in the present application is prior art without any improvement, which is common knowledge to those skilled in the art. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0023] As shown in Figs. 1 to 3 The present application provides a kind of integrated back pack structure's stator structure, including shell 1, the arbitrary side of the shell 1 is arranged with the back pack structure 2 integrally connected with shell;Specifically, the connecting portion 7 for connecting between shell 1 and back pack structure 2, connecting portion 7 both sides are integrally formed with shell 1, back pack structure 2.

[0024] Connecting portion 7 both sides are integrally connected with shell 1 and back pack structure 2 through smooth circular arc surface, i.e. shell 1 and back pack structure 2 are integrally formed by connecting portion 7, and shell 1, connecting portion 7 and back pack structure 2 are an integrally formed whole structure.

[0025] It also includes PCB board 3 and stator assembly arranged in shell 1;Specifically, the stator assembly includes stator shell 41 and stator unit 5 arranged in stator shell 41.

[0026] The side of the back pack structure 2 is provided with mounting cavity 21, and a plurality of fixing buckles 22 for fixing PCB board 3 are vertically extended upwards along the inner bottom of mounting cavity 21, and the fixing buckles 22 serve to enhance the fixity of the PCB board 3;The outer side of the mounting cavity 21 is provided with a fixing part buckle 23 for mounting and connecting with other accessories.

[0027] The stator shell 41 is provided with a positioning hole 41 matched with the stator unit 5, facilitating positioning of the stator unit 5, playing a role of positioning and preventing rotation, preventing the stator unit 5 from moving up and down or rotating left and right.

[0028] The backpack structure 2 is internally provided with a first pin assembly 24, and the stator unit 5 is externally provided with a second pin assembly 51.

[0029] The first pin assembly 24 comprises a base 241 and a plurality of L-shaped pins 242 arranged on the base 241.

[0030] The second pin assembly 51 comprises a plurality of bases 511 and a plurality of L-shaped pin bodies 512 arranged on the bases 511, one end of the pin body 512 is connected with the base 511 upward or downward according to the direction of the base 511, and the other end of the pin body 512 is connected with the backpack structure 2.

[0031] The backpack structure 2 further comprises a shell cover 6, which covers the mounting cavity 21, playing a role of dustproof for the PCB 3 mounted in the mounting cavity 21.

[0032] In the prior art, the two shells for mounting the stator assembly and the PCB 3 are also integrally formed, and then the two shells are connected through buckles or other connecting structures, so that the two shells need to be produced respectively in the production process, and at least two production lines are required. The backpack structure 2 and the shell 1 are integrally formed in the utility model, that is, the two shells for mounting the stator assembly and the PCB 3 are integrated, so that the process flow is simplified, and only an integrated shell needs to be produced.

[0033] Meanwhile, the failure rate in the assembly process is reduced, because the step of connecting the two shells through buckles or other connecting structures is reduced.

[0034] By integrally forming the backpack structure 2 and the shell 1, the assembly procedure and the process flow are simplified, and the production efficiency is improved.

[0035] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets, welding and sticking in the prior art, and details are not described herein.

[0037] The above is only a preferred embodiment of the utility model, and for ordinary skilled persons in the art, various modifications and changes can be made to the specific implementation mode and application range according to the idea of the utility model, and the content of the specification should not be understood as a limitation on the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A stator structure with an integrally molded backpack structure, characterized in that: The device includes an outer shell, on any side of which a backpack structure is integrally connected to the outer shell. A connecting part is provided between the outer shell and the backpack structure for connection. The two sides of the connecting part are integrally formed with the outer shell and the backpack structure, respectively. The device also includes a PCB board and a stator assembly disposed within the outer shell. The stator assembly includes a stator shell and a stator unit disposed within the stator shell. The backpack structure has a mounting cavity on its side, and several fixing buckles for fixing the PCB board extend vertically upward along the bottom of the mounting cavity. A fastener buckle for mounting and connecting with other accessories is provided on the outer side of the mounting cavity.

2. The stator structure with an integrally molded backpack structure according to claim 1, characterized in that: The two sides of the connecting part are integrally connected to the outer shell and backpack structure through smooth arc surfaces.

3. The stator structure with an integrally molded backpack structure according to claim 2, characterized in that: The stator housing is provided with positioning holes that cooperate with the stator unit.

4. The stator structure with an integrally molded backpack structure according to claim 3, characterized in that: The backpack structure is provided with a first pin assembly, and the stator unit is fixed with a second pin assembly.

5. The stator structure with an integrally molded backpack structure according to claim 4, characterized in that: The first pin assembly includes a base and a plurality of "L"-shaped pins disposed on the base.

6. The stator structure with an integrally molded backpack structure according to claim 5, characterized in that: The second pin assembly includes several bases and an "L"-shaped pin body disposed on the base. One end of the pin body is connected to the base body upward or downward depending on the direction of the base, and the other end of the pin body is connected to the backpack structure.

7. The stator structure with an integrally molded backpack structure according to claim 6, characterized in that: The backpack structure also includes a cover that covers the mounting cavity.

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