CN214378237U

CN214378237U - Pin-contained relay

Info

Publication number: CN214378237U
Application number: CN202120434238.0U
Authority: CN
Inventors: 谢云
Original assignee: Shenzhen Ketai Electronic Technology Co ltd
Current assignee: Shenzhen Ketai Electronic Technology Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-10-08
Anticipated expiration: 2031-02-27

Abstract

The utility model belongs to the technical field of relays, in particular to a pin-receiving relay, which comprises an installation mechanism and a control mechanism, wherein the installation mechanism comprises a sleeve and a shell, the sleeve is movably sleeved on the shell, and the shell is provided with an installation cavity; control mechanism is including excitation control unit and pin subassembly, the pin subassembly includes first mount pad and connector lug, first mount pad is fixed to be set up the open position of installation die cavity, the multiunit the connector lug is worn to set up on the first mount pad, works as the sleeve orientation during connector lug rectilinear movement extreme position, the sleeve with it is all to form between the shell the protection die cavity of connector lug. Adopt movable protection architecture, produce the protection die cavity that can eliminate at any time in order to protect the pin before the installation, avoid the pin to receive the influence of radial effort before the installation, improve this pin stability, and then improve the practicality of this relay, be favorable to the enterprise development.

Description

Pin-contained relay

Technical Field

The utility model belongs to the technical field of the relay, especially, relate to a pin accomodates type relay.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement. It has an interactive relationship between the control system and the controlled system. It is usually applied to automatic control circuit, and it is an "automatic switch" which uses small current to control large current operation, so that it can play the role of automatic regulation, safety protection and switching circuit in the circuit.

The traditional relay mainly comprises a magnetic excitation unit and a switch unit, wherein the switch unit comprises an armature and two groups of connecting pieces positioned on two sides of the armature, the magnetic excitation unit generates magnetism after being electrified, and the armature is attracted to move towards the direction of a preset connecting piece and is abutted to form a passage, so that the function of selecting a preset loop is realized.

However, in order to facilitate wiring of the relay in the prior art, the pins directly penetrate through the outer side of the relay shell, the pins are exposed before the relay is installed on a preset circuit element and are easily influenced by external force, particularly, the external force from the side direction of the pins easily causes the pins to be bent under the radial action of the unexpected acting force on the pins, the bent pins are different from the lengths of the pins expected by an installer, the pins are easily connected in preset installation pin holes in a poor circuit contact manner, the installation effect is influenced, and the development of enterprises is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pin accomodates type relay aims at solving the relay among the prior art and lacks the preceding pin protection architecture of installation, leads to the pin to bend easily before the installation, can't reach predetermined installation requirement, is unfavorable for the technical problem of enterprise's development.

In order to achieve the above object, an embodiment of the present invention provides a pin-receiving relay, which includes an installation mechanism and a control mechanism, wherein the installation mechanism includes a sleeve and a housing, the sleeve is movably sleeved on the housing, and the housing is provided with an installation cavity; the control mechanism comprises an excitation control unit and a pin assembly, the excitation control unit is arranged in the installation cavity, the pin assembly is arranged at one end of the installation cavity, and the output end of the pin assembly penetrates through the outer side of the installation cavity to be connected with a preset electric element; wherein, the installation die cavity is provided with the opening, pin subassembly includes first mount pad and connector lug, first mount pad is fixed to be set up the open position of installation die cavity, the quantity of connector lug is the multiunit, and the multiunit the connector lug is worn to set up on the first mount pad, the one end of connector lug extends to installation die cavity and with excitation control unit's predetermined output electric connection, the other end of connector lug extends to the outside of installation die cavity, the sleeve is followed the axial direction straight line activity of shell, the length direction of connector lug with the axial direction of shell is parallel, works as the sleeve orientation during connector lug rectilinear movement extreme position, the sleeve with form between the shell and can the cladding all the protection die cavity of connector lug.

Optionally, the length of the sleeve is smaller than that of the shell, the shell comprises a butt joint seat and a connecting seat, the installation cavity is formed in the connecting seat, the butt joint seat is arranged at one end, away from the opening of the installation cavity, of the connecting seat, the cross section area of the butt joint seat is larger than that of the connecting seat, so that a step structure is formed between the butt joint seat and the connecting seat, and the sleeve is sleeved on the outer side wall of the connecting seat in a sliding mode.

Optionally, the inner ring of the sleeve is provided with a first thread, the outer ring of the connecting seat is provided with a second thread, the first thread is matched with the second thread in a threaded manner, the sleeve linearly moves along the extending direction of the first thread and the second thread, and when the end of the sleeve abuts against the abutting portion, the end face of the abutting seat is far away from the sleeve, and the end face of the opening of the connecting seat is flush with the end face of the abutting seat.

Optionally, the radial cross section of the outer ring of the sleeve is arranged in a rectangular structure for adapting to a preset circuit mounting position or a relay mounting seat, and the radial cross section of the inner ring of the connecting seat and the radial cross section of the inner ring of the sleeve are arranged in a circular structure.

Optionally, telescopic length is greater than the shell, be provided with the elastic pin on the telescopic inner circle lateral wall, be provided with on the lateral wall of shell and be used for the joint adaptation first joint groove and the second joint groove of elastic pin, the sleeve with shell sliding connection, first joint groove with second joint groove is followed the length direction interval arrangement of shell, first joint groove with clearance length between the second joint groove with the height of protection die cavity equals, first joint groove with clearance between the second joint groove with the sleeve with the length difference of shell equals.

Optionally, the both ends of telescopic are provided with the spacing ring respectively, the fixed protruding setting of spacing ring is in on the telescopic inner wall and toward telescopic inner circle direction extends the arch, the spacing ring is used for the butt the tip of shell.

Optionally, both ends of the shell are respectively provided with a limiting groove for clamping adaptation of the limiting ring, the limiting groove is arranged on the circumferential edge of the end part of the shell, and the limiting groove and the end part edge of the shell form a step structure.

Optionally, there is a damped sliding connection between the housing and the sleeve.

Optionally, a guide groove is formed in the outer side wall of the housing along the axial length direction of the outer side wall, and a guide block which can extend into the guide groove and is in clamping fit with the guide groove is protrudingly arranged on the inner ring of the sleeve.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the pin storage type relay have one of following technological effect at least: the working principle of the pin storage type relay is as follows: when the relay needs to be installed, the sleeve is driven to move, the sleeve linearly moves along the length direction of the shell and gradually moves away from the pin assembly, the length of the protection cavity is gradually reduced until the protection cavity disappears, the connector lug is completely exposed outside and meets the installation environment, and when the relay is disassembled and needs to be placed and stored for a long time, the sleeve is driven to reset, so that the protection cavity is formed and the effect of protecting the connector lug is restored; compare the structure that the relay lacks the protection pin among the prior art, the pin all is in the state of exposing when transportation or operating personnel take before the installation, receives external unexpected effort to influence easily, leads to warping, is unfavorable for the technical problem that the relay used, the embodiment of the utility model provides an adopt movable protection architecture, produce the protection die cavity that can eliminate at any time with the pin before the protection installation, the pertinence avoids the pin to receive the influence of radial effort before the installation, improves the stability of this pin, and then improves the practicality of this relay, is favorable to the enterprise to develop.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a pin expansion and contraction adjusting relay provided in an embodiment of the present invention.

Fig. 2 is a schematic structural view of the pin expansion and contraction adjusting type relay in fig. 1 before being mounted.

Fig. 3 is a front view of a pin expansion and contraction adjusting relay provided by the embodiment of the present invention.

Fig. 4 is a sectional view of the pin expansion adjustment type relay of fig. 1.

Fig. 5 is a sectional view of a pin expansion and contraction adjusting type relay using an elastic pin according to another embodiment of the present invention.

Fig. 6 is a sectional view of the pin expansion and contraction adjusting type relay of fig. 5 before being mounted.

Fig. 7 is a schematic structural diagram of a control mechanism according to an embodiment of the present invention.

Fig. 8 is an enlarged view of a in fig. 7.

Wherein, in the figures, the respective reference numerals:

10-mounting mechanism 20-control mechanism 21-excitation control unit

22-pin assembly 221-first mounting base 222-connector lug

11-sleeve 12-shell 121-abutting seat

122-connecting seat 13-elastic pin.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 8, a pin-receiving relay is provided, which includes an installation mechanism 10 and a control mechanism 20, wherein the installation mechanism 10 includes a sleeve 11 and a housing 12, the sleeve 11 is movably sleeved on the housing 12, and the housing 12 is provided with an installation cavity; the control mechanism 20 comprises an excitation control unit 21 and a pin assembly 22, the excitation control unit 21 is arranged in the installation cavity, the pin assembly 22 is arranged at one end of the installation cavity, and an output end of the pin assembly 22 penetrates through the outer side of the installation cavity to be connected with a preset electric element; wherein the mounting cavity is provided with an opening, the pin assembly 22 comprises a first mounting seat 221 and a connector lug 222, the first mounting seat 221 is fixedly arranged at an opening position of the mounting cavity, the number of the wire connectors 222 is multiple, the multiple wire connectors 222 are arranged on the first mounting seat in a penetrating way, one end of the connector lug 222 extends into the installation cavity and is electrically connected with a preset output end of the excitation control unit 21, the other end of the connector lug 222 extends to the outside of the mounting cavity, the sleeve 11 moves linearly along the axial direction of the housing 12, the length direction of the connector lug 222 is parallel to the axial direction of the housing 12, when the sleeve 11 moves towards the connector lug 222 in a straight line to the limit position, a protection cavity capable of covering all the connector lugs 222 is formed between the sleeve 11 and the shell 12.

Specifically, the working principle of the pin telescopic adjusting type relay is as follows: when the relay needs to be installed, the sleeve 11 is driven to move, the sleeve 11 linearly moves along the length direction of the shell 12 and gradually moves away from the pin assembly 22, the length of the protection cavity is gradually reduced until the protection cavity disappears, the connector lug 222 is completely exposed outside and meets the installation environment, and when the relay is disassembled and needs to be placed and stored for a long time, the sleeve 11 is driven to reset, the protection cavity is formed, and the effect of protecting the connector lug 222 is recovered; compare the structure that the relay lacks the protection pin among the prior art, the pin all is in the state of exposing when transportation or operating personnel take before the installation, receives external unexpected effort to influence easily, leads to warping, is unfavorable for the technical problem that the relay used, the embodiment of the utility model provides an adopt movable protection architecture, produce the protection die cavity that can eliminate at any time with the pin before the protection installation, the pertinence avoids the pin to receive the influence of radial effort before the installation, improves the stability of this pin, and then improves the practicality of this relay, is favorable to the enterprise to develop.

As shown in fig. 1-8, in another embodiment of the present invention, the length of the sleeve 11 is less than that of the housing 12, the housing 12 includes a contact seat 121 and a connecting seat 122, the installation cavity is formed on the connecting seat 122, the contact seat 121 is disposed on the connecting seat 122, the connecting seat 122 is kept away from the open-ended one end of the installation cavity, the cross-sectional area of the contact seat 121 is greater than that of the connecting seat 122, so that a step structure is formed between the contact seat 121 and the connecting seat 122, the sliding sleeve of the sleeve 11 is disposed on the outer side wall of the connecting seat 122, the step structure can be used as the limiting unit of the sleeve 11, the movement of the control sleeve 11 is formed, and a handheld position can be provided for an operator, so as to facilitate the installation and operation of the operator, further improve the practicability of the relay, and facilitate the development of enterprises.

As shown in fig. 1 to 8, in another embodiment of the present invention, the inner ring of the sleeve 11 is provided with a first thread, the outer ring of the connecting seat 122 is provided with a second thread, the first thread is adapted to the second thread, the sleeve 11 is along the extending direction linear movement of the first thread and the second thread, when the end of the sleeve 11 is abutted against the end face of the abutting seat 121, the opening end face of the connecting seat 122 is flush with the end face of the sleeve 11, the threaded structure is simple, the production and manufacturing are convenient, and the manufacturing efficiency of the relay is improved.

As shown in fig. 1-8, in another embodiment of the present invention, the outer ring radial cross section of the sleeve 11 is configured to be rectangular for being adapted to a predetermined circuit installation position or a relay installation seat, and the connecting seat and the inner ring radial cross section of the sleeve 11 are configured to be circular for being adapted to a conventional relay circuit installation position.

As shown in fig. 1 to 8, in another embodiment of the present invention, the length of the sleeve 11 is greater than that of the housing 12, the inner ring side wall of the sleeve 11 is provided with an elastic pin 13, the outer side wall of the housing 12 is provided with a first engaging groove and a second engaging groove for engaging with the elastic pin 13, the sleeve 11 is slidably connected to the housing 12, the first engaging groove and the second engaging groove are spaced along the length direction of the housing 12, the length of the gap between the first engaging groove and the second engaging groove is equal to the height of the protection cavity, the gap between the first engaging groove and the second engaging groove is equal to the length difference between the sleeve 11 and the housing 12, the elastic pin 13 is a structure with mature technology, which is not repeated in this embodiment, the number of the elastic pins 13 is two sets, two sets of the elastic pins 13 are symmetrically arranged.

As shown in fig. 1-8, in another embodiment of the present invention, the two ends of the sleeve 11 are respectively provided with a limiting ring, the limiting ring is fixed and protruded on the inner wall of the sleeve 11 and toward the inner ring direction of the sleeve 11 extends to be protruded, the limiting ring is used for abutting against the end of the housing 12, and the limiting ring structure is adopted to effectively prevent the sleeve 11 from separating from the housing 12, thereby ensuring the structural stability of the relay.

As shown in fig. 1-8, in another embodiment of the utility model, the both ends of shell 12 are provided with respectively and are used for the joint adaptation the spacing recess of spacing ring, spacing recess sets up on the circumference border of the tip of shell 12, spacing recess with the tip border position of shell 12 forms the stair structure, adopts the stair structure to be favorable to improving the space utilization of this relay, the terminal surface of spacing ring can with the terminal surface parallel and level of shell 12 avoids the space extravagant.

As shown in fig. 1-8, in another embodiment of the present invention, the housing 12 and be damping sliding connection between the sleeves 11, adopt damping connection can be effectual the linear motion speed of reduction sleeve 11, prevent to move the too fast sleeve 11 and produce the impact to housing 12, influence the structural stability of this relay, be favorable to guaranteeing the structural strength of this relay, improve the practicality.

As shown in fig. 1-8, in another embodiment of the present invention, a guide groove is provided on the outer side wall of the housing 12 along the axial length direction thereof, the inner ring of the sleeve 11 is protruded and provided with a guide block which can extend to the guide groove and the guide block of the guide groove clamping adaptation, so as to be beneficial to ensuring the smooth clamping adaptation of the elastic pin 13 and the clamping groove and preventing the rotation deviation of the sleeve 11.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pin-receiving relay, comprising:

the mounting mechanism comprises a sleeve and a shell, the sleeve is movably sleeved on the shell, and the shell is provided with a mounting cavity;

the control mechanism comprises an excitation control unit and a pin assembly, the excitation control unit is arranged in the installation cavity, the pin assembly is arranged at one end of the installation cavity, and the output end of the pin assembly penetrates through the outer side of the installation cavity to be connected with a preset electric element;

wherein, the installation die cavity is provided with the opening, pin subassembly includes first mount pad and connector lug, first mount pad is fixed to be set up the open position of installation die cavity, the quantity of connector lug is the multiunit, and the multiunit the connector lug is worn to set up on the first mount pad, the one end of connector lug extends to installation die cavity and with excitation control unit's predetermined output electric connection, the other end of connector lug extends to the outside of installation die cavity, the sleeve is followed the axial direction straight line activity of shell, the length direction of connector lug with the axial direction of shell is parallel, works as the sleeve orientation during connector lug rectilinear movement extreme position, the sleeve with form between the shell and can the cladding all the protection die cavity of connector lug.

2. The pin-in relay of claim 1, wherein: the telescopic length is less than the shell, the shell includes butt joint seat and connecting seat, the installation die cavity shaping in on the connecting seat, the butt joint seat sets up the connecting seat is kept away from the open-ended one end of installation die cavity, the cross-sectional area of butt joint seat is greater than the connecting seat, so that butt joint seat with form the stair structure between the connecting seat, the sleeve slip cap establish on the lateral wall of connecting seat.

3. The pin-in relay of claim 2, wherein: the inner ring of the sleeve is provided with first threads, the outer ring of the connecting seat is provided with second threads, the first threads are matched with the second threads in a threaded mode, the sleeve is linearly moved in the extending direction of the first threads and the second threads, and when the end portion of the sleeve abuts against the abutting portion, the end face of the abutting seat is far away from the sleeve and is flush with the opening end face of the connecting seat.

4. A pin-receiving relay according to claim 3, wherein: the radial cross section of the outer ring of the sleeve is in a rectangular structure for being matched with a preset circuit installation position or a relay installation seat, and the radial cross section of the inner ring of the connecting seat and the radial cross section of the inner ring of the sleeve are in a circular structure.

5. The pin-in relay of claim 1, wherein: telescopic length is greater than the shell, be provided with the elastic pin on the telescopic inner circle lateral wall, be provided with on the lateral wall of shell and be used for the joint adaptation first joint groove and the second joint groove of elastic pin, the sleeve with shell sliding connection, first joint groove with second joint groove is followed the length direction interval arrangement of shell, first joint groove with clearance length between the second joint groove with the height of protection die cavity equals, first joint groove with clearance between the second joint groove with the sleeve with the length difference of shell equals.

6. The pin-receiving relay of claim 5, wherein: the telescopic both ends are provided with the spacing ring respectively, the fixed outstanding setting of spacing ring is in on the telescopic inner wall and toward telescopic inner circle direction extends the arch, the spacing ring is used for the butt the tip of shell.

7. The pin-receiving relay of claim 6, wherein: the both ends of shell are provided with respectively and are used for the joint adaptation the spacing recess of spacing ring, spacing recess sets up on the circumference border of the tip of shell, spacing recess with the tip border position of shell forms the stair structure.

8. The pin-receiving relay of claim 5, wherein: the shell and the sleeve are in damping sliding connection.

9. The pin-receiving relay of claim 5, wherein: the outer side wall of the shell is provided with a guide groove along the axial length direction of the outer side wall, and the inner ring of the sleeve is provided with a guide block which can extend into the guide groove and is in clamping fit with the guide groove in a protruding mode.