CN206148364U - Relay cover and use its compressor - Google Patents

Abstract

The utility model discloses a relay cover, when the installation, the elder generation discerns the wiring of terminal department according to aperture, appearance, correspond in order, adjusts length, and with the ground ply -yarn drill income R1 hole of lead -out wire, the R2 hole is gone into to the electric capacity ply -yarn drill, and the R3 hole is gone into to the power ply -yarn drill, installs in proper order, and the successive layer compresses tightly. Confirm that the hole wire pair should the back, correspond buckle spacing department with relay stand's cooperation department that it can to compress tightly the buckle. This scheme: 1, process simple and conveniently, the production and processing is convenient, does not need the incremental cost, need not increase extra part and complicated lead wire, watertight fittings, 2, can effectively solve lead wire installation, waterproof scheduling problem, make production convenient orderly, commonality and practicality are good, guarantee that compressor electrical safety is reliable. The utility model also discloses an use above -mentioned relay cover's compressor, is particularly useful for totally closed reciprocating piston compressor.

Description

A relay cover and a compressor using the same

technical field

The utility model relates to the technical field of electrical appliances, in particular to a relay cover and a compressor using the same.

Background technique

In the reciprocating piston compressor used in refrigerators, the relay cover is mainly used to protect the safety of electricity used for the outgoing wires of the terminal posts, and is equipped with lead wires and waterproof devices. However, the existing relay cover has the disadvantages of complex structure, troublesome installation and extra cost.

In addition, with the improvement of the process, the relay cover is currently required to be installed before the production line goes online. The relay cover used before is inconvenient and quick to produce and install, and some structures will interfere with the screw installation.

At present, some manufacturers have designed some relay covers, which are complicated in installation, difficult to install, or high in extra cost and low in practicability.

Utility model content

In view of this, the utility model provides a relay cover, which does not need to add additional parts and complicated crimping and lead-in devices, and the lead-out port can be integrally formed with the relay cover, effectively solving the troublesome problem of lead-wire installation and making production convenient Orderly, to ensure the safety and reliability of the compressor electricity.

The utility model also provides a compressor using the above-mentioned relay cover.

In order to achieve the above object, the utility model provides the following technical solutions:

A relay cover, which is provided with a lead-out port;

The lead-out port includes a plurality of interconnected wire holes, wherein the minimum distance between the central axes of at least two adjacent wire holes is smaller than the sum of the radii of the two holes.

Preferably, the outlet port also includes a wire inlet slot; the inner end of the wire inlet slot communicates with at least one of the wire holes, and the outer end of the wire inlet slot is opened in the relay cover opening. The open structure of the mouth.

Preferably, a plurality of the wire holes are connected in sequence and finally connected to the inner end of the wire inlet slot, wherein the diameter of the wire holes near the inside is smaller than the diameter of the wire holes near the outside.

Preferably, a plurality of the wire holes connected in sequence and finally connected to the inner end of the wire inlet notch can all be interference-fitted with their respective leads, and the interference between the inner wire hole and its lead wire near the inside is smaller than that of the wire hole described above. The amount of interference between the outer wire hole adjacent to the inner wire hole and the outer wire hole and its lead wire.

Preferably, a plurality of wire holes connected in sequence and finally connected to the inner end of the wire inlet notch, the innermost wire hole is the first wire hole used to cooperate with the first lead wire, and the first wire hole is connected with the first lead wire. The wire hole connected to the wire hole is a second wire hole for interference fit with the second lead wire.

Preferably, the first thread hole can be transition-fit or interference-fit with the first lead wire, and the interference fit is smaller than the interference fit between the second thread hole and the second lead wire.

Preferably, the inner end of the wire inlet notch and the wire hole adjacent to it protrude inward to form a limited position.

Preferably, the maximum width of the wire inlet notch is smaller than the diameter of the wire hole communicating with its inner end.

Preferably, the lead-out port has a downwardly inclined structure with an acute angle to the horizontal direction.

Preferably, the relay cover protrudes outward to form a relief structure.

Preferably, the relief structure can cover the lead-out opening located below it.

Preferably, the relay cover has a buckle structure for fitting with the compressor relay bracket.

Preferably, the relay cover has a limit structure for firmly fitting with the compressor relay bracket.

A compressor includes a relay cover, the relay cover is the above-mentioned relay cover.

It can be seen from the above technical solution that the relay cover provided by the utility model realizes mutual compression between adjacent lead wires after the corresponding lead wires are installed in the wire hole of the lead-out port. This solution is simple and convenient to process, does not require additional parts to increase the cost, effectively solves the troublesome problem of lead wire installation, makes production convenient and orderly, has high versatility and practicability, and ensures safe and reliable power consumption of the compressor. The utility model also provides a compressor using the above-mentioned relay cover, especially suitable for a fully enclosed reciprocating piston compressor.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the schematic diagram of the front view structure of the relay cover provided by the embodiment of the utility model;

Fig. 2 is a left view structural schematic diagram of the relay cover provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the structure of the outlet of the relay cover provided by the embodiment of the present invention;

Fig. 4 is a three-dimensional schematic diagram of the relay cover provided by the embodiment of the present invention.

Among them, 10 is the outlet port, 11 is the first wire hole, 12 is the second wire hole, 13 is the third wire hole, 14 is the limit position, 15 is the wire inlet notch; 20 is the relief structure; 30 is the buckle structure; 40 is a limiting structure.

detailed description

The utility model discloses a relay cover and a compressor using the same. It does not need to add additional parts and complicated wire pressing and lead devices, and the outlet of the lead wire can be integrally formed with the relay cover, effectively solving the problems of lead wire installation and waterproofing. Make production convenient and orderly, and ensure the safety and reliability of compressor power consumption.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The core improvement point of the relay cover provided by the embodiment of the present invention is that a lead-out port 10 is opened on it, and the structure can be shown in Fig. 1-Fig. 4;

The wire outlet 10 includes a plurality of connected wire holes, wherein the minimum distance between the central axes of at least two adjacent wire holes is smaller than the sum of the radii of the two holes. Preferably, if the wire holes are parallel to each other, then the lead wires inside are also parallel to facilitate assembly; at this time, the distance between the centers of two adjacent holes should be smaller than the sum of the radii of the adjacent two holes during design. Of course, it is also possible that the wire holes are not parallel to each other, and details will not be repeated here.

It can be seen from the above technical solutions that in the relay cover provided by the embodiment of the present invention, after the corresponding lead wires are installed in the wire hole of the lead wire port 10, the adjacent lead wires are pressed against each other. This solution is simple and convenient to process, does not require additional parts to increase the cost, effectively solves the troublesome problem of lead wire installation, makes production convenient and orderly, has high versatility and practicability, and ensures safe and reliable power consumption of the compressor. The design can be applied to various electrical appliances, especially as an oil circuit relay cover of a reciprocating piston compressor.

It can be understood that the corresponding lead wire can be a transition fit or an interference fit with its wire hole; of course, when the minimum distance between the central axes of two adjacent wire holes is small enough, the adjacent lead wire with clearance fit with its wire hole It can also be pressed against each other.

Lead wires may be threaded axially into their corresponding wire holes. In order to further optimize the above-mentioned technical scheme, the outlet port 10 also includes a wire inlet notch 15; the inner end of the wire inlet notch 15 is connected to at least one wire hole, and the outer end of the wire inlet notch 15 is opened in the relay cover opening. The open structure of the mouth and end, as shown in Figure 1-Figure 4, the relay cover encloses an installation cavity with one end open. In this way, the lead wires can be snapped into their corresponding wire holes through the wire inlet notch 15 along its radial direction, which is especially suitable for the situation where the ends of the lead wires have been connected to other devices, so as to realize quick assembly. Preferably, a flared guide structure is provided at the entrance of the cable inlet slot 15 to facilitate assembly.

In order to further optimize the above-mentioned technical solution, a plurality of wire holes are connected in sequence and finally connected to the inner end of the wire inlet slot 15, wherein the diameter of the wire holes near the inside is smaller than the diameter of the wire holes near the outside. As shown in Figure 3, snap the lead wires into holes R1, R2, and R3 in order of diameter from small to large, install them in sequence, and press them layer by layer. It can be understood that, here, the direction close to the cable inlet notch 15 is the outside, and vice versa is the inside.

As a preference, a plurality of wire holes connected in sequence and finally connected to the inner end of the wire inlet notch 15 can be interference-fitted with their respective leads, and the interference amount between the inner wire hole and its lead wire near the inside is smaller than that adjacent to the inner wire hole. The interference between the outer wire hole and the lead wire near the outside is to ensure that the outer lead wire is effectively pressed against the inner lead wire.

In the specific embodiment provided by this solution, a plurality of wire holes connected in sequence and finally connected to the inner end of the wire inlet notch 15, the innermost wire hole is the first wire hole 11 used to cooperate with the first lead wire, and The wire hole connected to the first wire hole 11 is the second wire hole 12 for interference fit with the second lead wire. The second lead wire with interference fit can play a very good role of limiting and pressing the first lead wire.

Further, the first wire hole 11 can be transition fit or interference fit with the first lead wire, and the interference fit thereof is smaller than the interference fit between the second wire hole 12 and the second lead wire, and the fixing effect of the lead wire is better.

The following is a further introduction to this program in combination with the actual structure:

There are three leads at the connection of the compressor, which are the ground wire (ie the first lead), the capacitor line (ie the second lead), and the power line (ie the third lead). The lead wire port 10 is designed with three wire holes for installing lead wires. The innermost wire aperture is R1 (that is, the first wire hole 11), and the corresponding lead wire is the ground wire. The outer diameter of R1 and the ground wire can be designed as a transition fit or a slight interference fit; the middle wire aperture is R2 (that is, the first wire hole) The second wire hole 12), the corresponding lead wire is the capacitor wire, and the outer diameter of the R2 capacitor wire sheath is designed to be an interference fit, and the interference is larger than that of R1. When compressing the capacitor wire, it also compresses the grounding wire. Restrict the movement of the grounding wire; the diameter of the outermost wire hole is R3 (that is, the third wire hole 13), and the corresponding lead wire is the power wire. The outer diameter of R3 and the outer sheath of the power wire is designed to be an interference fit. The amount of interference, because if the outer hole line moves, it will not be able to compress the lead-out lines of the inner two holes.

Preferably, at least a transition connection section is provided between two adjacent wire holes, and its width is smaller than the diameter of the smaller of the two wire holes, so as to play a higher position-limiting role; specifically, at least in parallel A linear transition connection section is set between two adjacent wire holes, and is parallel to the connection plane of the central axes of the two wire holes, and its structure can be shown in Figure 2-Figure 4.

In order to further optimize the above-mentioned technical solution, a limited position 14 is formed inwardly protruding between the inner end of the wire inlet notch 15 and the wire hole connected adjacent to it. As shown in Figure 3, a clamp point limit 14 is designed next to R3 to prevent the lead wire from leaving the wire hole, making the whole more safe and reliable.

Preferably, the maximum width of the wire inlet notch 15 is smaller than the diameter of the wire hole communicating with its inner end, so as to limit the outermost lead wire. Specifically, the lead opening is a straight line segment, and its width should be smaller than the diameter of the outermost hole during design. As shown in Figure 2 and Figure 3, the axes of the first line hole 11, the second line hole 12 and the third line hole 13 are parallel and the centers are collinear, that is, the lead-out port 10 is a linear structure, which is convenient for the assembly of lead wires and press firmly.

In the embodiment of this solution, the lead-out port 10 has an outer downward-sloping structure with an acute angle with the horizontal direction, so as to increase the contact area with the outer diameter of the wire and prevent water droplets from penetrating into the relay cover along the lead wire. As shown in FIG. 1 and FIG. 2 , the lead-out port 10 may specifically be opened on the vertical side wall of the relay cover, forming an angle of 30° with the horizontal position. It can be understood that the up and down directions here refer to the actual assembly state of the relay cover.

In order to further optimize the above technical solution, the relay cover protrudes outward to form a relief structure 20 . Specifically, it can be used as the installation position of one end of the ground wire. The function of this position is to give way to avoid installation interference.

At the same time, the relief structure 20 can cover the lead-out port 10 below it as waterproof.

Specifically, the relay cover is installed on the compressor relay bracket through two buckle structures 30, which is convenient and quick to install and disassemble. Further, the relay cover has a limiting structure 40 for firmly fitting with the compressor relay bracket. The relay cover shown in Figure 1 is provided with three limit positions for assembly limit, so that the relay cover can be installed firmly without shaking.

To sum up, the embodiment of the utility model provides a relay cover. When installing, first identify the wiring at the terminal according to the aperture and shape, correspond to it in order, adjust the length, and snap the ground wire of the lead wire into the The R1 hole, the capacitor line is inserted into the R2 hole, and the power line is inserted into the R3 hole. Install in sequence and press tightly layer by layer. After confirming the correspondence of the hole lines, match the buckle limit position with the matching position of the relay bracket, and press the buckle tightly. This solution: 1. Simple and convenient processing, convenient production and processing, no need to increase costs, no need to add additional parts and complicated leads, waterproof devices; 2. It can effectively solve the problems of lead installation and waterproofing, making production convenient and orderly. Good versatility and practicability, ensuring safe and reliable power consumption of the compressor. The embodiment of the utility model also provides a compressor using the above-mentioned relay cover, especially suitable for a fully enclosed reciprocating piston compressor.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (14)

1. A relay cover, characterized in that an outlet port (10) is provided on it; The outlet (10) includes a plurality of connected wire holes, wherein the minimum distance between the central axes of at least two adjacent wire holes is smaller than the sum of the radii of the two holes. 2. The relay cover according to claim 1, characterized in that, the lead-out port (10) also includes a wire inlet notch (15); the inner end of the wire inlet notch (15) communicates with at least one The outer end of the wire hole and the wire inlet notch (15) is an open structure opened at the open end of the relay cover. 3. The relay cover according to claim 2, characterized in that, a plurality of said wire holes are connected successively and finally communicated with the inner end of said inlet notch (15), wherein the said wire holes near the inside The hole diameter is smaller than the hole diameter of the wire holes near the outside. 4. The relay cover according to claim 2, characterized in that, a plurality of said wire holes which are successively connected and finally connected to the inner end of said inlet notch (15) can be interference-fitted with respective lead wires, and wherein The interference amount between the inner wire hole and its lead wire near the inside is smaller than the interference amount between the outer wire hole adjacent to the inner wire hole and near the outside and its lead wire. 5. The relay cover according to claim 2, characterized in that, a plurality of wire holes connected in sequence and finally connected to the inner end of the inlet notch (15), the innermost wire hole is for The first wire hole (11) matched with the first lead wire, and the wire hole communicated with the first wire hole (11) is a second wire hole (12) for interference fit with the second lead wire. 6. The relay cover according to claim 5, characterized in that, the first wire hole (11) can be transition fit or interference fit with the first lead wire, and the interference fit is smaller than the second wire hole (12) The amount of interference with the second lead wire. 7. The relay cover according to claim 2, characterized in that, between the inner end of the wire inlet notch (15) and the wire hole adjacent to it, the inward protrusion forms a limited position (14 ). 8. The relay cover according to claim 2, characterized in that the maximum width of the wire inlet slot (15) is smaller than the diameter of the wire hole communicating with its inner end. 9. The relay cover according to claim 1, characterized in that, the lead-out port (10) has a downwardly inclined structure with an acute angle to the horizontal direction. 10. The relay cover according to any one of claims 1-9, characterized in that, the relay cover protrudes outward to form a relief structure (20). 11. The relay cover according to claim 10, characterized in that, the relief structure (20) can cover the lead-out wire opening (10) below it. 12. The relay cover according to any one of claims 1-9, characterized in that the relay cover has a buckle structure (30) for mounting and fitting with the compressor relay bracket. 13. The relay cover according to any one of claims 1-9, characterized in that the relay cover has a limiting structure (40) for firmly fitting with the compressor relay bracket. 14. A compressor, comprising a relay cover, characterized in that the relay cover is the relay cover according to any one of claims 1-13.