CN211555794U

CN211555794U - Multi-link relay

Info

Publication number: CN211555794U
Application number: CN202020515993.7U
Authority: CN
Inventors: 叶建挺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-09-22
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a multilink relay, including end box and upper cover, the interior bottom fixed mounting of end box has the spring post, the upper end fixed mounting of spring post has the flat board, dull and stereotyped upper end is provided with the fixture block that is used for the fixed relay electrical element of joint, the upper cover is fixed in the upper end of end box through the fixing bolt locking, the fixed bonding of upper cover lower extreme has the sealing strip, the sealing strip compresses tightly the upper end that is fixed in end box, the counter sink has been seted up to the upper end of upper cover, fixing bolt is located the inside of counter sink, the recess has been seted up to the bottom of upper cover, the fixed bonding in interior top of recess has the rubber pad that is used for compressing tightly fixed relay electrical element. Compared with the prior art, the utility model, the effectual upper cover that has avoided the latch to be heated to soften and lead to is fixed insecure, and the design through the spring post makes this relay have certain damping performance, avoids mechanical equipment's vibration to lead to the inside electric elements of relay to damage.

Description

Multi-link relay

Technical Field

The utility model relates to a relay technical field specifically is a multilink relay.

Background

The multi-link relay is one kind of relay, and the relay is an electric control device, and is an electric appliance which makes the controlled quantity change in a predetermined step in an electric output circuit when the change of the input quantity reaches a specified requirement. It has an interactive relationship between the control system and the controlled system. It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

The main mounting means of current relay shell is the buckle formula installation, it is fixed to pass through the latch drawknot with the base and the shell of relay, but the relay is in the use, because the electronic work of switch break-make is comparatively frequent, inside electric element can produce certain heat, directly lead to the latch to be heated and soften, thereby can not effectually fix the shell joint, and current relay does not set up damping subassembly mostly, install on mechanical equipment after, mechanical equipment's vibration leads to the inside electric element of relay to damage very easily, therefore we need provide a multilink relay.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilink relay, this relay passes through the upper end that fixing bolt is firm to be fixed the upper cover at end box, and the equidistant spring post that is provided with in the interior bottom of end box moreover, compare with prior art, not only effectually avoided the latch to be heated the upper cover that the softening leads to fixed insecure, make this relay have certain damping performance through the design of spring post moreover, avoid mechanical equipment's vibration to lead to the inside electric elements of relay to damage to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a multilink relay, includes end box and upper cover, the interior bottom fixed mounting of end box has the spring post, the upper end fixed mounting of spring post has the flat board, dull and stereotyped upper end is provided with the fixture block that is used for joint fixed relay electric element, the upper cover is fixed in the upper end of end box through fixing bolt locking, the fixed bonding of upper cover lower extreme has the sealing strip, the sealing strip compresses tightly the upper end that is fixed in end box, the counter sink has been seted up to the upper end of upper cover, fixing bolt is located the inside of counter sink, the recess has been seted up to the bottom of upper cover, the fixed bonding in interior top of recess has the rubber pad that is used for compressing tightly fixed relay electric element.

Preferably, the upper end of the bottom box is provided with a threaded blind hole corresponding to the counter bore, and one end of the fixing bolt penetrates through the counter bore and is installed inside the threaded blind hole.

Preferably, two groups of wire passing holes for passing through the relay electric element wires are symmetrically formed in the side wall of the bottom box.

Preferably, the spring post includes interior pole, sleeve pipe, stopper and compression spring, the one end fixed connection of interior pole is on compression spring, compression spring's one end fixed connection is in sheathed tube internal surface, the stopper is fixed to be welded in the lower extreme of interior pole.

Preferably, the spring columns are arranged at equal intervals at the inner bottom of the bottom box and are not lower than eighteen groups, and the lower surface of the flat plate is fixedly connected to the upper end of the inner rod.

Preferably, the rubber pad is an elastic rubber pad with a rough surface, and the rough surface of the rubber pad is clung to the upper surface of the relay electric element.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the counter bore in the upper end of upper cover, and set up the screw thread blind hole corresponding with the counter bore in the upper end of bottom case, and fix the upper cover in the upper end of bottom case through the fixing bolt lock, replace the existing buckle type to install, the upper cover that the latch is heated and softened and lead to is fixed insecure when effectively having avoided the relay to use;

2. the utility model discloses an at the interior bottom fixed mounting of end box have the spring post to there is the flat board in the upper end fixed mounting of spring post, and be provided with the fixture block that is used for the fixed relay electrical element of joint in dull and stereotyped upper end, the spring post can cushion the power of vibration that mechanical equipment produced to a certain extent, and the vibration of avoiding mechanical equipment leads to the inside electrical element of relay to damage.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the spring post of the present invention.

In the figure: 1. a bottom case; 2. an upper cover; 3. a spring post; 4. a flat plate; 5. a clamping block; 6. a sealing strip; 7. a countersunk hole; 8. fixing the bolt; 9. a groove; 10. a rubber pad; 11. a threaded blind hole; 12. a wire passing hole; 13. an inner rod; 14. a sleeve; 15. a limiting block; 16. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a multi-link relay comprises a bottom box 1 and an upper cover 2, wherein a spring post 3 is fixedly arranged at the inner bottom of the bottom box 1, the spring post 3 comprises an inner rod 13 and a sleeve 14, the relay comprises a limiting block 15 and a compression spring 16, one end of an inner rod 13 is fixedly connected to the compression spring 16, one end of the compression spring 16 is fixedly connected to the inner surface of a sleeve 14, the limiting block 15 is fixedly welded at the lower end of the inner rod 13, a flat plate 4 is fixedly installed at the upper end of a spring column 3, a clamping block 5 used for clamping and fixing a relay electric element is arranged at the upper end of the flat plate 4, an upper cover 2 is fixedly locked at the upper end of a bottom box 1 through a fixing bolt 8, two groups of wire passing holes 12 used for leading wires of the relay electric element to pass through are symmetrically formed in the side wall of the bottom box 1, the spring columns 3 are arranged at equal intervals at the inner bottom of the bottom box 1;

the fixed bonding of 2 lower extremes of upper cover has sealing strip 6, sealing strip 6 compresses tightly the upper end of being fixed in end box 1, counter sink 7 has been seted up to the upper end of upper cover 2, fixing bolt 8 is located the inside of counter sink 7, recess 9 has been seted up to the bottom of upper cover 2, the fixed bonding in interior top of recess 9 has the rubber pad 10 that is used for compressing tightly fixed relay electrical element, rubber pad 10 sets up to the coarse elastic rubber pad in surface, and the rough surface of rubber pad 10 hugs closely in relay electrical element's upper surface, screw thread blind hole 11 corresponding with counter sink 7 has been seted up to end box 1's upper end, fixing bolt 8's one end is passed counter sink 7 threaded mounting in the inside of screw thread blind hole 11.

The working principle is as follows: according to the relay, the counter bore 7 is formed in the upper end of the upper cover 2, the threaded blind hole 11 corresponding to the counter bore 7 is formed in the upper end of the bottom box 1, the upper cover 2 is locked and fixed to the upper end of the bottom box 1 through the fixing bolt 8, the existing buckle type installation is replaced, and the problem that the upper cover 2 is not fixed firmly due to the fact that clamping teeth are heated and softened when the relay is used is effectively avoided; through the interior bottom fixed mounting at end box 1 there is spring post 3 to there is dull and stereotyped 4 at the upper end fixed mounting of spring post 3, and be provided with the fixture block 5 that is used for the fixed relay electrical component of joint in the upper end of dull and stereotyped 4, spring post 3 can cushion the jarring power that mechanical equipment produced to a certain extent, avoids mechanical equipment's vibration to lead to the inside electrical component of relay to damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multilink relay, includes end box (1) and upper cover (2), its characterized in that: the interior bottom fixed mounting of end box (1) has spring post (3), the upper end fixed mounting of spring post (3) has flat board (4), the upper end of flat board (4) is provided with fixture block (5) that are used for joint fixed relay electric element, upper cover (2) are fixed in the upper end of end box (1) through fixing bolt (8) locking, upper cover (2) lower extreme fixed bonding has sealing strip (6), sealing strip (6) compress tightly the upper end of being fixed in end box (1), counter sink (7) have been seted up to the upper end of upper cover (2), fixing bolt (8) are located the inside of counter sink (7), the bottom of upper cover (2) is seted up flutedly (9), the interior top of recess (9) is fixed to be bonded with rubber pad (10) that are used for compressing tightly fixed relay electric element.

2. A multi-link relay according to claim 1, wherein: the upper end of the bottom box (1) is provided with a threaded blind hole (11) corresponding to the counter bore (7), and one end of the fixing bolt (8) penetrates through the counter bore (7) and is installed inside the threaded blind hole (11) in a threaded mode.

3. A multi-link relay according to claim 1, wherein: two groups of wire passing holes (12) for passing through the electric element wires of the relay are symmetrically formed in the side wall of the bottom box (1).

4. A multi-link relay according to claim 1, wherein: spring post (3) are including interior pole (13), sleeve pipe (14), stopper (15) and compression spring (16), the one end fixed connection of interior pole (13) is on compression spring (16), the one end fixed connection of compression spring (16) is in the internal surface of sleeve pipe (14), stopper (15) fixed welding is in the lower extreme of interior pole (13).

5. A multi-link relay according to claim 4, wherein: the spring columns (3) are arranged at the inner bottom of the bottom box (1) at equal intervals and are not lower than eighteen groups, and the lower surface of the flat plate (4) is fixedly connected to the upper end of the inner rod (13).

6. A multi-link relay according to claim 1, wherein: the rubber pad (10) is an elastic rubber pad with a rough surface, and the rough surface of the rubber pad (10) is tightly attached to the upper surface of the relay electric element.