CN212972849U

CN212972849U - Bidirectional conductive telescopic pipe for dust collector

Info

Publication number: CN212972849U
Application number: CN202020795735.9U
Authority: CN
Inventors: 张涛
Original assignee: Suzhou E Rising Electrical Technology Co ltd
Current assignee: Suzhou E Rising Electrical Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-16
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a two-way conductive telescopic pipe for a dust collector, which comprises a telescopic rod, the telescopic rod comprises an intermediate connecting sleeve, the lower end of the intermediate connecting sleeve is fixedly connected with an outer pipe, the upper end of the intermediate connecting sleeve is connected with an inner pipe, the upper end of the inner pipe is connected with an upper connector, the lower end of the outer pipe is connected with a lower connector, a contact pin in the upper connector is electrically connected with the upper end of a conductive element through a wire, the lower end of the conductive element is electrically connected with a jack seat of the lower connector through a wire, so that the circuit between the contact pin and the jack seat is conducted, the structure is simple, the structure is clear and easy to understand, the telescopic motion between the inner pipe and the outer pipe can be realized, the uninterrupted conductive circuit can be ensured, the contact conductive mode is; the problem of the current breakpoint that the contact slip leads to is solved, convenient to use, easy operation, long service life is worth promoting.

Description

Bidirectional conductive telescopic pipe for dust collector

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a bidirectional conductive telescopic pipe for a dust collector.

Background

The vacuum cleaner can be divided into a vertical type, a horizontal type and a portable type according to the structure. The theory of operation of dust catcher is, utilizes the motor to drive the high-speed rotation of blade, produces the air negative pressure in sealed casing, absorbs the dirt bits, the utility model provides a dust catcher electrically conducts flexible of electrically conductive metal spring or helical conductor for the telescopic link, realizes can stretch out and draw back and can keep the conducting wire incessant again, compares in the current scribing contact conductive mode on the market, has not had the wearing and tearing that the contact slip between the electrically conductive piece leads to, has improved the life-span, has solved the electric current breakpoint problem that the contact slip leads to simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way electric conduction telescopic pipe for dust catcher 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 two-way flexible pipe that electrically conducts for dust catcher, includes the telescopic link, the telescopic link includes the intermediate junction cover, intermediate junction cover lower extreme suit fixedly connected with outer tube, intermediate junction cover upper end is connected with the inner tube, the inner tube upper end is connected with the connector, the outer tube lower extreme is connected with down the connector.

Preferably, be provided with the contact pin in the upper connector, be provided with the spool in the inner tube, be provided with in the spool and be used for the wire of being connected with the contact pin electricity, go up the wire in the connector and pass through clamp bolt fixed connection.

Preferably, the lower end of the inner pipe penetrates through the middle connecting sleeve and extends into the outer pipe, and the outer pipe is fixedly connected with the middle connecting sleeve.

Preferably, an organic whole is provided with the stand pipe on the outer tube lateral wall, is provided with two guide arms in the stand pipe, and the guide arm bottom is fixed at the inside terminal surface of connector down, the outer surface cover of guide arm is equipped with conductive element, spool lower extreme fixedly connected with pullover, the pullover slip cap is established at the guide arm surface setting from top to bottom, conductive element's bottom is contradicted with the inside terminal surface of connector down, and conductive element's upper end is contradicted with the lower terminal surface of pullover, the wire passes pullover centre bore and is connected with the conductive element upper end electricity that corresponds respectively.

Preferably, a jack socket is arranged in the lower connector, and the jack sockets on the left side and the right side are respectively and electrically connected with the lower ends of the corresponding conductive elements through leads.

Preferably, the outer surface of the inner pipe is provided with a rack, the outer surface of the middle connecting sleeve is connected with a push button sleeve in a sliding mode, a locking block is clamped in the middle of the push button sleeve, spring grooves are formed in the upper end face and the lower end face of the locking block, the outer pipe corresponds to the two spring grooves and extends to be provided with two spring columns respectively, a reset spring is embedded in each spring groove, the other end of each reset spring is sleeved on the corresponding spring column, and one end, away from the push button sleeve, of the locking block is in a trapezoidal setting.

Preferably, a jumper groove is formed in the side wall of the middle connecting sleeve, a jumper pin is placed in the jumper groove, one side, far away from the push button sleeve, of the locking block is connected with the jumper pin in an abutting mode, the jumper pin is connected with a plurality of gear openings distributed in the rack in a matched and clamped mode, and anti-skidding lines are arranged on the outer surface of the push button sleeve.

Preferably, the lower end of the inner pipe is fixedly provided with a sealing ring, and the sealing ring is inserted into the inner wall of the outer pipe in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and clear and understandable structure, the telescopic rod comprises an inner tube, an outer tube and a middle connecting sleeve, wherein the outer tube sleeve is arranged on the outer surface of the inner tube, a contact pin is arranged in an upper connecting head connected with the upper end of the inner tube and is used for electric connection, a jack seat is arranged in a lower connecting head connected with the lower end of the outer tube and is used for electric connection, the contact pin is electrically connected with the upper end of a conductive element through a wire, the sleeve head is sleeved on the outer surface of a guide rod in a vertically sliding way, the lower end of the conductive element is electrically connected with the jack seat through the wire, the circuit between the contact pin and the jack seat is conducted, the conductive element can adopt a conductive metal spring or a spiral wire, the structure is arranged, the telescopic motion between the inner tube and the outer tube can be realized, the service life is prolonged; the problem of the current breakpoint that the contact slip leads to is solved, convenient to use, easy operation, long service life is worth promoting.

Drawings

FIG. 1 is a front view of a two-way conductive extension tube for a vacuum cleaner;

FIG. 2 is a front view, cross-sectional view, schematically illustrating a two-way conductive extension tube for a vacuum cleaner;

FIG. 3 is a right side view cross-sectional view of a two-way conductive extension tube for a vacuum cleaner;

FIG. 4 is an enlarged schematic view of a two-way conductive extension tube for a vacuum cleaner at position A;

FIG. 5 is an enlarged view of a two-way conductive extension tube for a vacuum cleaner at the position B;

FIG. 6 is an enlarged view of a two-way conductive extension tube for a vacuum cleaner at position C;

FIG. 7 is an enlarged view of a two-way conductive extension tube for a vacuum cleaner at D;

fig. 8 is an enlarged view of the locking block of the two-way conductive extension tube for a vacuum cleaner.

In the figure: 1-lower connector, 2-outer tube, 3-middle connecting sleeve, 4-inner tube, 5-upper connector, 6-line tube, 7-contact pin, 8-lead, 9-compression bolt, 10-sleeve head, 11-guide rod, 12-conductive element, 13-socket seat, 14-rack, 15-push button sleeve, 16-locking block, 17-jumper pin, 18-sealing ring, 19-telescopic rod, 20-tooth notch, 21-reset spring, 22-spring groove, 23-spring column and 24-guide tube.

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 to 8, the present invention provides a technical solution: a bidirectional conductive telescopic tube for a dust collector comprises a telescopic rod 19, wherein the telescopic rod 19 comprises an intermediate connecting sleeve 3, the lower end of the intermediate connecting sleeve 3 is fixedly connected with an outer tube 2 in a sleeved mode, the upper end of the intermediate connecting sleeve 3 is connected with an inner tube 4, the upper end of the inner tube 4 is connected with an upper connecting head 5, the lower end of the outer tube 2 is connected with a lower connecting head 1, a contact pin 7 is arranged in the upper connecting head 5, a wire tube 6 is arranged in the inner tube 4, a lead 8 electrically connected with the contact pin 7 is arranged in the wire tube 6, the lead 8 in the upper connecting head 5 is fixedly connected through a compression bolt 9, the lower end of the inner tube 4 penetrates through the intermediate connecting sleeve 3 and extends into the outer tube 2, the outer tube 2 is fixedly connected with the intermediate connecting sleeve 3, the bottom of the guide rod 11 is fixed on the inner end face of the lower connector 1, the outer surface of the guide rod 11 is sleeved with a conductive element 12, the lower end of the line pipe 6 is fixedly connected with a sleeve head 10, the sleeve head 10 is sleeved on the outer surface of the guide rod 11 in an up-and-down sliding manner, the bottom end of the conductive element 12 is abutted against the inner end face of the lower connector 1, the upper end of the conductive element 12 is abutted against the lower end face of the sleeve head 10, the lead 8 passes through a center hole of the sleeve head 10 and is respectively electrically connected with the upper end of the corresponding conductive element 12, a jack seat 13 is arranged in the lower connector 1, the jack seats 13 on the left side and the right side are respectively electrically connected with the lower end of the corresponding conductive element 12 through leads, the outer surface of the inner pipe 4 is provided with a rack 14, the outer surface of the middle connecting sleeve 3 is slidably connected with a, the outer tube 2 corresponds two spring grooves 22 and extends respectively and is provided with two spring post 23, the embedded reset spring 21 that is equipped with in spring groove 22, reset spring 21's other end suit is on the spring post 23 that corresponds, latch segment 16 is kept away from and is pushed away button cover 15 one end and be trapezoidal setting, be provided with the jump needle groove on the lateral wall of intermediate junction cover 3, jump needle 17 has been placed to the jump needle inslot, latch segment 16 is kept away from and is pushed away button cover 15 one side and jump needle 17 conflict and be connected, a plurality of tooth mouth 20 cooperation joint that distributes on jump needle 17 and the rack 14, it is provided with anti-skidding line to push away button cover 15 surface, the fixed sealing washer 18 that is provided with of inner tube 4 lower extreme, sealing washer 18 slides the cartridge in the inner wall of outer.

The telescopic rod 19 in the utility model comprises an inner tube 4, an outer tube 2 and a middle connecting sleeve 3, wherein the outer tube 2 is sleeved on the outer surface of the inner tube 4, a contact pin 7 is arranged in an upper connecting head 5 connected with the upper end of the inner tube 4, used for electric connection, a jack seat 13 is arranged in the lower connector 1 connected with the lower end of the outer tube 2 and used for electric connection, wherein the contact pin 7 is electrically connected with the upper end of the conductive element 12 through a lead, the sleeve head 10 is sleeved on the outer surface of the guide rod 11 in a vertically sliding manner, the lower end of the conductive element 12 is electrically connected with the jack seat 13 through a lead, so that the circuit between the contact pin 7 and the jack seat 13 is conducted, due to the structural arrangement, the telescopic movement between the inner pipe 4 and the outer pipe 2 can be realized, the uninterrupted conducting circuit can be ensured, the contact conducting mode is better than that of the existing scribing sheet on the market, the abrasion caused by the contact sliding between the conducting pieces is avoided, and the service life is prolonged; the problem of current breakpoint that the contact slip leads to is solved.

It is apparent that the conductive element 12 in this embodiment may employ a conductive metal spring or a coiled wire.

When the inner tube 4 extends into the outer tube 2, the sleeve head 10 moves along the guide rod 11, if the conductive element 12 is a conductive metal spring, the conductive element 12 is compressed, and when one of the tooth openings 20 reaches the position of the jump pin 17, the jump pin 17 extends into the tooth opening 20 and is meshed with the rack 14, so that the position of the inner tube 4 is defined, and the inner tube 4 is fixed in the outer tube 2.

When the button sleeve 15 is pushed by hand, the locking block 16 moves along with the button sleeve 15, when the inclined plane of the locking block 16 moves to the jumper pin 17, at the moment, the jumper pin 17 is partially separated from the tooth opening 20 and is arranged in the jumper pin groove on the side wall of the middle connecting sleeve (3), at the moment, if the conductive element 12 adopts a conductive metal spring, the compressed conductive element 12 can automatically eject the sleeve head 10 and the inner pipe 4 connected with the sleeve head out, then the button sleeve 15 is released, the return spring 21 arranged on the upper side and the lower side of the locking block 16 pushes the locking block 16 to return to the original position, and the jumper pin at the moment is pushed back into the tooth opening 20 to limit the inner pipe 4 again, so that the inner pipe 4 can freely stretch out and draw back in the outer pipe 2, and in the process that the inner pipe 4 freely stretches out and draws back in the outer pipe 2, the sleeve head 10 and the jack seat 13.

If the conductive element 12 is a spiral wire, the extension and retraction of the inner tube 4 requires manual operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a two-way electric conduction telescopic pipe for dust catcher, includes telescopic link (19), its characterized in that: telescopic link (19) are including middle adapter sleeve (3), middle adapter sleeve (3) lower extreme suit fixedly connected with outer tube (2), middle adapter sleeve (3) upper end is connected with inner tube (4), inner tube (4) upper end is connected with connector (5), outer tube (2) lower extreme is connected with down connector (1).

2. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 1, wherein: go up and be provided with contact pin (7) in connector (5), be provided with spool (6) in inner tube (4), be provided with wire (8) that are used for being connected with contact pin (7) electricity in spool (6), go up wire (8) in connector (5) and pass through clamp bolt (9) fixed connection.

3. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 2, wherein: the lower end of the inner pipe (4) penetrates through the middle connecting sleeve (3) and extends into the outer pipe (2) to be arranged, and the outer pipe (2) is fixedly connected with the middle connecting sleeve (3).

4. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 3, wherein: the utility model discloses a lead wire, including outer tube (2), pipe (6), wire pipe (6) lower extreme fixedly connected with pullover (10), pullover (10) slide the cover from top to bottom and establish at guide arm (11) surface setting, the bottom of conductive element (12) is contradicted with connector (1) inside terminal surface down, and the upper end of conductive element (12) is contradicted with the lower terminal surface of pullover (10), wire (8) pass the centre bore of pullover (10) and respectively with the conductive element (12) upper end electricity that corresponds and be connected.

5. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 4, wherein: and jack seats (13) are arranged in the lower connector (1), and the jack seats (13) on the left side and the right side are respectively and electrically connected with the lower ends of the corresponding conductive elements (12) through leads.

6. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 5, wherein: inner tube (4) surface is provided with rack (14), intermediate junction cover (3) surface sliding connection has and pushes away button cover (15), it has latch segment (16) to push away the joint in the middle of button cover (15), and spring groove (22) have all been seted up to the up end of latch segment (16) and lower terminal surface, outer tube (2) correspond two spring grooves (22) and extend respectively and are provided with two spring post (23), spring groove (22) embedded reset spring (21) of being equipped with, the other end suit of reset spring (21) is on the spring post (23) that corresponds, latch segment (16) are kept away from and are pushed away button cover (15) one end and are trapezoidal setting.

7. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 6, wherein: be provided with the jump needle groove on the lateral wall of intermediate junction cover (3), jump needle (17) have been placed to the jump needle inslot, latch segment (16) are kept away from and are pushed away button cover (15) one side and are contradicted with jump needle (17) and be connected, a plurality of tooth mouth (20) cooperation joint that distributes on jump needle (17) and rack (14), it is provided with anti-skidding line to push away button cover (15) surface.

8. The bi-directional conductive telescopic tube for vacuum cleaner as claimed in claim 7, wherein: and a sealing ring (18) is fixedly arranged at the lower end of the inner pipe (4), and the sealing ring (18) is inserted into the inner wall of the outer pipe (2) in a sliding manner.