CN220481561U - Installation fixture - Google Patents

Abstract

The utility model provides an installation tool which is used for coaxially installing a sealing element and an installation element, wherein the installation tool is provided with a first positioning surface and a second positioning surface which are coaxially arranged, the first positioning surface is used for being in interference fit with the inner wall of the sealing element, and the second positioning surface is used for being in interference fit with the outer wall of the installation element. The installation frock in this application can be located between sealing member and the installed part in order to restrict the clearance size between sealing member and the installed part, guarantees that sealing member and installed part are quick, reliable coaxial installation, and need not to use measuring tool such as amesdial to carry out coaxial measurement after the installation, has improved the installation accuracy and the installation effectiveness of sealing member and the coaxial installation of installed part. In addition, this application carries out coaxial installation through face and face interference fit's mode, guarantees that the clearance between installed part and the sealing member is even, avoids sealing member and installed part eccentric and take place the condition of scraping, has improved the reliability of installation frock.

Description

Installation fixture

Technical Field

The utility model relates to the technical field of installation, in particular to an installation tool.

Background

At present, most of sealing devices of vapor compression systems are in a carbon ring form, most of sealing seats are installed in two flaps, and the sealing seats and installation pieces are required to be ensured to be coaxial during installation. In order to ensure the coaxiality of the sealing seat and the mounting piece, a dial gauge, a vernier caliper or other dimension tools are required to be used for multipoint measurement. However, due to the limited space in the sealing device, conventional measuring methods generally cannot achieve the measurement of the whole circumferential range, resulting in poor coaxiality of the sealing seat and the mounting piece, and scraping of the sealing seat and the mounting piece due to eccentricity.

Disclosure of Invention

Based on this, it is necessary to provide an installation tool for the problem that the conventional measurement method cannot generally realize the measurement of the whole circumferential range, so that the coaxiality degree of the sealing seat and the installation piece is poor, and the sealing seat and the installation piece are scratched due to the eccentricity.

The technical scheme is as follows:

on the one hand, a mounting fixture is provided for the coaxial mounting of sealing member and mounting, the mounting fixture is equipped with coaxial first locating surface and the second locating surface that sets up, first locating surface be used for with the inner wall interference fit of sealing member, the second locating surface be used for with the outer wall interference fit of mounting.

The installation frock in the above-mentioned embodiment, during the use, with the first locating surface of installation frock with the inner wall interference fit back of sealing member, place the sealing member that has the installation frock in sealed position again for the second locating surface of installation frock and the outer wall interference fit of installing member, and then make the installation frock be located between sealing member and the installing member in order to restrict the clearance size between sealing member and the installing member, thereby guarantee sealing member and the quick, reliable coaxial installation of installing member, and need not to use measuring tool such as amesdial to carry out coaxial measurement after the installation, improved the installation accuracy and the installation effectiveness of sealing member and the coaxial installation of installing member. After sealing member and mounting coaxial installation, take out the installation frock in order to remove the interference fit between first locating surface and the sealing member, and the interference fit between second locating surface and the mounting can, easy operation is convenient, has improved the convenience of installation frock. In addition, this application carries out coaxial installation through face and face interference fit's mode, guarantees that the clearance between installed part and the sealing member is even, avoids sealing member and installed part eccentric and take place the condition of scraping, has improved the reliability of installation frock.

The technical scheme is further described as follows:

in one embodiment, along the circumferential direction of the first positioning surface, the mounting tool is provided with a first end surface and a second end surface, and the first end surface and the second end surface are spaced to form a mounting opening for the mounting member to pass through.

In one embodiment, the axes of the first end face, the second end face, and the first positioning face are all located in the same plane.

In one embodiment, the mounting fixture is further provided with a positioning portion, and when the first positioning surface is in interference fit with the inner wall of the sealing member, the positioning portion is used for being in interference fit with the sealing member.

In one embodiment, the positioning portion is provided as a flange provided on one side of the first positioning surface in the axial direction of the first positioning surface.

In one embodiment, the outer contour shape of the flange is adapted to the outer contour shape of the outer wall of the seal.

In one embodiment, a guide portion is provided on a side of the first positioning surface remote from the flange.

In one embodiment, the guiding part is configured as a guiding plane, one side of the guiding plane is connected with the first positioning surface, and the other side of the guiding plane extends along the axial direction of the first positioning surface and is close to one side of the second positioning surface.

In one embodiment, the mounting fixture is further provided with an operation portion for receiving a driving force for moving the second positioning surface relative to the mounting member.

In one embodiment, the operating portion is provided as a handle, and the handle is disposed on a side of the positioning portion away from the first positioning surface.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application.

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an installation tool according to an embodiment.

Fig. 2 is a schematic view of the mounting tool of fig. 1 when the sealing member is mounted to the mounting member.

Reference numerals illustrate:

100. installing a tool; 110. a first positioning surface; 120. a second positioning surface; 130. a first end face; 140. a second end face; 150. a positioning part; 160. a guide part; 170. an operation unit; 200. a seal; 300. a mounting member; 400. a motor; 410. an output shaft; 500. a volute; 600. an impeller; 700. a base; 800. and (5) fastening a bolt.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

As shown in fig. 1 and 2, in one embodiment, a mounting fixture 100 is provided for coaxially mounting a sealing member 200 and a mounting member 300, where the mounting fixture 100 is provided with a first positioning surface 110 and a second positioning surface 120 coaxially disposed, the first positioning surface 110 is used for being in interference fit with an inner wall of the sealing member 200, and the second positioning surface 120 is used for being in interference fit with an outer wall of the mounting member 300.

When the installation tool 100 in the above embodiment is used, after the first positioning surface 110 of the installation tool 100 is in interference fit with the inner wall of the sealing element 200, the sealing element 200 with the installation tool 100 is placed at the sealing position, so that the second positioning surface 120 of the installation tool 100 is in interference fit with the outer wall of the installation element 300, and the installation tool 100 is located between the sealing element 200 and the installation element 300 to limit the gap size between the sealing element 200 and the installation element 300, thereby ensuring quick and reliable coaxial installation of the sealing element 200 and the installation element 300, and measuring tools such as a dial indicator are not required to be used for coaxial measurement after the installation, so that the installation precision and the installation efficiency of the coaxial installation of the sealing element 200 and the installation element 300 are improved. After the sealing member 200 and the mounting member 300 are coaxially mounted, the mounting tool 100 is taken out to release the interference fit between the first positioning surface 110 and the sealing member 200 and the interference fit between the second positioning surface 120 and the mounting member 300, so that the operation is simple and convenient, and the convenience of the mounting tool 100 is improved. In addition, the coaxial installation is carried out through the mode of surface-to-surface interference fit, so that the gap between the installation piece 300 and the sealing piece 200 is ensured to be uniform, the situation that the sealing piece 200 and the installation piece 300 are eccentric and scratch occurs is avoided, and the reliability of the installation tool 100 is improved.

The installation tool 100 may be circular, semi-circular, arc-shaped, or other shapes. The seal 200 may be a seal holder, a seal housing, or other sealing structure. The mount 300 may be a mounting shaft, mounting sleeve, mounting rod, mounting tube, or other mounting structure.

To further understand the working principle of the installation tool 100 in the present application, the present application is described taking the installation of the installation tool 100 for the sealing device in the vapor compression system as an example, and should not be construed as limiting the present application. The sealing device includes a sealing member 200, a mounting member 300, a motor 400, a scroll 500, an impeller 600, a base 700, and a fastening bolt 800. The seal member 200 is provided as a seal housing provided with a seal groove, and the number of seal housings is two, namely, a first seal housing and a second seal housing, which can be correspondingly matched to form a seal through hole. The mount 300 is provided as a sealing sleeve. The motor 400 is provided with an output shaft 410, the output shaft 410 partially extends into the volute 500, and a sealing shaft sleeve is sleeved on the outer side wall of the output shaft 410. The motor 400 is mounted on the base 700, the scroll case 500 is mounted on the base 700, and the impeller 600 is positioned in the scroll case 500 and correspondingly mounted on the output shaft 410, so that the motor 400 can drive the impeller 600 to rotate. The first seal housing and the second seal housing are correspondingly installed on the outer wall of the scroll case 500 through the fastening bolts 800, so that the inner wall of the seal through hole is in sealing fit with the outer wall of the seal shaft sleeve, and the inner part of the scroll case 500 is ensured to be separated from the atmospheric environment.

Thus, when the first seal housing and the second seal housing in the seal device are required to be coaxially installed with the seal shaft sleeve, firstly, after the first positioning surface 110 of the installation tool 100 is in interference fit with the inner wall of the seal groove of the second seal housing, the second seal housing with the installation tool 100 is placed on the seal shaft sleeve, so that the second positioning surface 120 of the installation tool 100 is in interference fit with the outer wall of the seal shaft sleeve. Then, the second seal housing with the installation tool 100 is rotated around the central axis of the seal shaft sleeve, so that after the position of the second seal housing relative to the volute 500 is adjusted, the second seal housing is installed on the volute 500 through the fastening bolt 800, and coaxiality tolerance of the second seal housing and the seal shaft sleeve is ensured. Finally, take out installation frock 100 to with the outer wall fixed connection of first seal housing and spiral case 500, correspond fixed connection with first seal housing and second seal housing, guarantee that first seal housing and second seal housing all can be quick, accurate with sealed axle sleeve coaxial arrangement, and need not to use measuring tool such as amesdial to carry out coaxial measurement after the installation, greatly improve sealing device's installation effectiveness and installation accuracy. In particular, in the embodiment, the coaxiality of the first sealing shell and the sealing shaft sleeve and the coaxiality of the second sealing shell and the sealing shaft sleeve can be ensured to be within 2 to 5 wires.

As shown in fig. 1 and 2, in one embodiment, along a circumferential direction (as shown in a direction a in fig. 1) of the first positioning surface 110, the mounting fixture 100 is provided with a first end surface 130 and a second end surface 140, and the first end surface 130 and the second end surface 140 are spaced apart to form a mounting opening for passing the mounting member 300. So, the installation frock 100 can be followed the radial direction of installed part 300 and removed to make second locating surface 120 and the outer wall interference fit of installed part 300, or remove the interference fit of second locating surface 120 and installed part 300, guarantee that installation frock 100 also can normally use in narrow and small space, improved the suitability and the reliability of installation frock 100. In other embodiments, the mounting tool 100 can also move along the axial direction of the mounting member 300, so that the second positioning surface 120 is in interference fit with the outer wall of the mounting member 300, or the interference fit between the second positioning surface 120 and the mounting member 300 is released.

As shown in fig. 1, the axes of the first end surface 130, the second end surface 140, and the first positioning surface 110 may optionally all lie in the same plane. In this way, the contact area between the mounting tool 100 and the mounting member 300 and the sealing member 200 is the largest, so that the coaxiality error between the mounting member 300 and the sealing member 200 is reduced, and the reliability of the mounting tool 100 is improved.

As shown in fig. 1 and 2, in one embodiment, the mounting fixture 100 is further provided with a positioning portion 150, where when the first positioning surface 110 is in interference fit with the inner wall of the sealing member 200, the positioning portion 150 is used for interference fit with the sealing member 200. In this way, the installation fixture 100 can be in interference fit with the outer wall of the sealing member 200 through the positioning portion 150, so that the first positioning surface 110 can be in interference fit with the inner wall of the sealing member 200 quickly and accurately, and the efficiency of coaxial installation between the sealing member 200 and the installation member 300 is improved.

The positioning portion 150 may be a positioning plate, a positioning block, a positioning strip, or other positioning structures.

Further, the positioning portion 150 is provided as a flange provided on one side of the first positioning surface 110 in the axial direction (as shown in the direction B in fig. 1) of the first positioning surface 110. In this way, the interference area between the flange and the seal 200 increases, improving the reliability of the installation tool 100.

Optionally, the outer contour shape of the flange is adapted to the outer contour shape of the outer wall of the seal 200. In this way, the flange is in surface contact with the sealing element 200, so that the interference area between the flange and the sealing element 200 is increased, and the reliability of the installation tool 100 is improved.

As shown in fig. 1, in one embodiment, the side of the first locating surface 110 remote from the flange is provided with a guide 160. In this way, the guiding portion 160 can play a guiding role, so that the first positioning surface 110 of the installation tool 100 can be quickly and accurately moved into the sealing groove of the sealing element 200, and convenience of the installation tool 100 is improved.

Alternatively, the guide 160 is provided as a guide plane, one side of which is connected to the first positioning surface 110, and the other side of which extends along the axial direction of the first positioning surface 110 and is adjacent to one side of the second positioning surface 120. Thus, the guide plane is simple to process, and the convenience of processing the installation tool 100 is improved. In other embodiments, the guiding portion 160 may be a guiding cambered surface, and the guiding cambered surface extends along the axial direction of the first positioning surface 110 and is close to one side of the second positioning surface 120.

As shown in fig. 1, in one embodiment, the mounting fixture 100 is further provided with an operation portion 170, and the operation portion 170 is used for receiving a driving force for moving the second positioning surface 120 relative to the mounting member 300. In this way, the installer can drive the second positioning surface 120 to translate or rotate relative to the mounting piece 300 through the operation portion 170, so that the convenience of the mounting tool 100 is improved.

The operation portion 170 may be an operation handle, an operation lever, an operation protrusion, an operation groove, or other operation structure.

Alternatively, the operating portion 170 is provided as a handle, which is disposed at a side of the positioning portion 150 away from the first positioning surface 110. So, reduce the size of installation frock 100 along the axial direction of first locating surface 110, guarantee that installation frock 100 also can normal use in narrow and small space, improved the suitability of installation frock 100.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. The utility model provides a mounting fixture for the coaxial installation of sealing member and installed part, its characterized in that, mounting fixture is equipped with coaxial first locating surface and the second locating surface that sets up, first locating surface be used for with the inner wall interference fit of sealing member, the second locating surface be used for with the outer wall interference fit of installed part, make mounting fixture be located the sealing member with between the installed part, in order to guarantee the installed part with clearance between the sealing member is even.

2. The mounting fixture of claim 1, wherein the mounting fixture is provided with a first end face and a second end face along a circumferential direction of the first positioning face, the first end face and the second end face being spaced apart to form a mounting opening for the mounting member to pass through.

3. The mounting fixture of claim 2, wherein the axes of the first end face, the second end face, and the first locating face are all in the same plane.

4. A mounting fixture according to any one of claims 1 to 3, further provided with a locating portion for interference fit with the seal when the first locating surface is in interference fit with the inner wall of the seal.

5. The mounting fixture of claim 4, wherein the positioning portion is provided as a flange provided on one side of the first positioning surface in an axial direction of the first positioning surface.

6. The mounting fixture of claim 5, wherein an outer contour shape of the flange is adapted to an outer contour shape of an outer wall of the seal.

7. The mounting fixture of claim 5, wherein a guide portion is provided on a side of the first locating surface remote from the flange.

8. The mounting fixture of claim 7, wherein the guide portion is provided as a guide plane, one side of the guide plane is connected to the first positioning surface, and the other side of the guide plane extends along the axial direction of the first positioning surface and is close to one side of the second positioning surface.

9. The mounting fixture of claim 4, further comprising an operating portion for receiving a driving force for moving the second positioning surface relative to the mounting member.

10. The mounting fixture of claim 9, wherein the operating portion is provided as a handle disposed on a side of the positioning portion remote from the first positioning surface.