CN219371850U

CN219371850U - Hand-operated pushing mechanism for switch cabinet drawer, switch cabinet drawer and switch cabinet

Info

Publication number: CN219371850U
Application number: CN202223120769.6U
Authority: CN
Inventors: 南海螺; 王军
Original assignee: Zhejiang Lingkun Electric Co ltd
Current assignee: Zhejiang Lingkun Electric Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-07-18
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a switch cabinet drawer hand-operated propelling mechanism which is not easy to clamp and sensitive to trigger, a switch cabinet drawer and a switch cabinet. The technical scheme adopted comprises the following steps: the device comprises a support, a screw rod, an operating gear, a speed change gear and a positioning gear, wherein the screw rod is connected to the support in a shaft mode, the operating gear is connected to the end portion of the screw rod, the speed change gear is connected to the support in a shaft mode, the speed change gear is meshed with the operating gear, the positioning gear is connected to the support in a shaft mode, a separation groove, a test groove and a connection groove are formed in the end face of the positioning gear, a linkage rod is connected to the support in a shaft mode through a first connecting shaft, a swing arm is connected to the support in a shaft mode through a second connecting shaft, a positioning column is arranged on the linkage rod in a positioning mode and matched with the separation groove, the test groove and the connection groove, one end of the swing arm is connected with a light touch switch arranged on the linkage rod in a shaft mode through a long groove, and one side of the linkage rod is provided with a torsion spring to enable the linkage rod to lean against the positioning gear.

Description

Hand-operated pushing mechanism for switch cabinet drawer, switch cabinet drawer and switch cabinet

Technical Field

The utility model belongs to the field of power equipment, and particularly relates to a hand-operated pushing mechanism of a switch cabinet drawer.

Background

The drawer type switch cabinet is currently more advanced switch cabinet equipment, drawers with different sizes and models are arranged on the drawer type switch cabinet, and different circuit controllers are respectively arranged in the drawers, so that the circuit is controlled through the switch cabinet drawers. The drawer structure generally comprises a drawer body and a drawer base, wherein circuit elements and the like are generally arranged on the drawer body, the drawer base is provided with a switch piece for realizing the conduction operation of the circuit elements in the drawer body, and three different special state positions, namely a separation position, a test position and a connection position, are arranged between the drawer body and the drawer base. The drawer body of the switch cabinet can be pulled out at the separation position, namely the position where the circuit is completely disconnected, so that the circuit in the drawer is operated, and the danger is effectively avoided; in the test position, the loop part of the device is conducted and can be used as a test circuit, and the test circuit is also called a test state; in this position, the drawer is not allowed to be pulled out, and the full-on position indicates that the circuit is in a state that can be fully on-operated, and can be normally operated after switching on, also called an on-position, in which the drawer is also not allowed to be pulled out, and the three special-state positions are collectively referred to as an operating position.

The structure of the traditional hand-operated pushing mechanism for the switch cabinet drawer, as shown in the patent of the utility model entitled "hand-operated pushing mechanism for the switch cabinet drawer" with the authority bulletin number of CN 205016903U, comprises: the device comprises a support, a screw rod, an operating gear, a speed change gear and a positioning gear, wherein the screw rod is connected onto the support in a shaft mode, the operating gear is connected onto the end portion of the screw rod, the speed change gear is connected onto the support in a shaft mode and meshed with the operating gear, the positioning gear is connected onto the support in a shaft mode, a connecting arc groove, a test arc groove and a separation arc groove are formed in the circumferential surface of the positioning gear, a spring piece matched with the connecting arc groove, the test arc groove and the separation arc groove in a positioning mode is arranged on the support, and a connecting protruding portion, a test protruding portion and a separation protruding portion are arranged on the front end face of the positioning gear and used for triggering a tact switch mounted on the support so as to judge three working states. The disadvantages are: because the button is directly pressed to the tact switch, and in the rotation process, the positioning gear is the button that triggers the tact switch through protruding portion from the side striking, causes the damage of button easily and can't trigger scheduling problem. In addition, there are some hand propulsion mechanisms in the tradition, adopt bullet head reference column and the constant head tank cooperation on the positioning gear, and the spring that the bullet head reference column directly switches on the rear end resets, flexible inflexibility, has the problem of easy fastener.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a switch cabinet drawer hand-operated propelling mechanism which is not easy to clamp and sensitive to trigger, a switch cabinet drawer and a switch cabinet.

In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the device comprises a bracket, a screw rod, an operating gear, a speed change gear and a positioning gear, wherein the screw rod is connected onto the bracket in a shaft way, the operating gear is connected onto the end part of the screw rod, the speed change gear is connected onto the bracket in a shaft way and meshed with the operating gear, and the positioning gear is connected onto the bracket in a shaft way and meshed with the speed change gear, and the device is characterized in that: the end face of the positioning gear is provided with a separation groove, a test groove and a connection groove, the support is connected with a linkage rod through a first connecting shaft in a shaft mode, the linkage rod is connected with a swing arm through a second connecting shaft in a shaft mode, the linkage rod is provided with a positioning column matched with the separation groove, the test groove and the connection groove in a positioning mode, one end of the swing arm is connected with a third connecting shaft on the linkage rod in a shaft mode through a long groove, the other end of the swing arm is connected with a tact switch arranged on the support in a shaft mode, and one side of the linkage rod is provided with a torsion spring to enable the linkage rod to lean against the positioning gear.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the screw rod is characterized by further comprising a bottom plate, wherein straight teeth meshed with the screw rod are arranged on the bottom plate.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the swing arm is L-shaped.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the support includes preceding mounting panel, connects intermediate mounting panel on the preceding mounting panel and connect rear mounting panel on the intermediate mounting panel, the lead screw coupling in between preceding mounting panel and the intermediate mounting panel, operating gear, change gear, positioning gear all the coupling in between intermediate mounting panel and the rear mounting panel, first connecting axle the second connecting axle, dab the switch and install preceding mounting panel top.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the end part of the operating gear is provided with an inner hexagonal operating hole, one side corresponding to the inner hexagonal operating hole is provided with a first reference mark part, and the speed change gear is provided with a second reference mark part matched with the first reference mark part.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the front end of the positioning column is provided with a bullet positioning part.

The hand-operated pushing mechanism of the switch cabinet drawer is characterized in that: the end face of the positioning gear is provided with a travel limiting groove, and the bracket is provided with a travel limiting screw matched with the travel limiting groove.

The utility model provides a cubical switchboard drawer, includes drawer body, its characterized in that: the hand-operated pushing mechanism of the switch cabinet drawer is arranged at the bottom of the drawer body.

The utility model provides a cubical switchboard, includes cubical switchboard body, its characterized in that: the drawer body is arranged on the switch cabinet body.

The switch cabinet drawer hand-operated propelling mechanism, the switch cabinet drawer and the switch cabinet have the following advantages: 1. the trigger mechanism consisting of the linkage rod, the swing arm, the torsion spring and the positioning column is used for triggering the button of the tact switch in a direct pressing mode, so that the trigger is more sensitive and the tact switch is not easy to damage; 2. the trigger mechanism formed by the linkage rod, the swing arm, the torsion spring and the positioning column is a multi-joint trigger mechanism, and the trigger mechanism is flexible to rotate and is not easy to clamp.

The utility model is further described below with reference to the drawings.

Drawings

FIG. 1 is a schematic diagram of the front structure of a switchgear drawer hand-operated propulsion mechanism of the present utility model;

FIG. 2 is a schematic view of the back side of the hand-operated propulsion mechanism of the switchgear drawer of the present utility model;

FIG. 3 is an exploded view of the manual drawer propulsion mechanism of the switch cabinet of the present utility model;

FIG. 4 is a cross-sectional view of the switchgear drawer hand propulsion mechanism of the present utility model;

FIG. 5 is a schematic view of the positioning gear of the present utility model;

FIG. 6 is a schematic view of the trigger mechanism of the present utility model;

FIG. 7 is a schematic view of the structure of the switchgear drawer of the present utility model;

FIG. 8 is a schematic diagram of the structure of the switch cabinet of the present utility model;

Detailed Description

Example 1:

referring to fig. 1-6, the hand-operated pushing mechanism of the switch cabinet drawer of the utility model comprises a bracket 1, a screw rod 2, an operating gear 3, a variable gear 4, a positioning gear 5 and a bottom plate 18. The screw rod 2 is connected to the bracket 1 through two ends in a shaft way. One end of the operating gear 3 is connected with the end part of the screw rod 2, the other end of the operating gear is exposed to the support 1 for operating the rocking handle, an inner hexagonal operating hole 23 is arranged outside the operating gear 3 for facilitating connection with the rocking handle, and the front end of the rocking handle is of an outer hexagonal structure which is suitable for the operating gear. The speed change gear 4 is connected to the bracket 1 in a shaft way and meshed with the operation gear 3. The positioning gear 5 is connected to the bracket 1 in a shaft manner and meshed with the speed change gear 4, and a separation groove 6, a test groove 7 and a connection groove 8 which are circumferentially arranged are arranged on the end face of the positioning gear 5. The bracket 1 is connected with a linkage rod 10 through a first connecting shaft 9 in a shaft way, the bracket 1 is connected with a swing arm 12 through a second connecting shaft 11 in a shaft way, and the linkage rod 10 is provided with a positioning column 13 which is matched with the separation groove 6, the test groove 7 and the connection groove 8 in a positioning way. One end of the swing arm 12 is in shaft connection with a third connecting shaft 15 on the linkage rod 10 through an elongated slot 14, the other end of the swing arm 12 is in lap joint with a tact switch 16 arranged on the bracket 1, and a trigger block 31 can be arranged at the end of the swing arm 12 in order to enable the end of the swing arm 12 to be in better contact with the tact switch 16. A torsion spring 17 is arranged on one side of the linkage rod 10, so that the linkage rod 10 leans against the positioning gear 5, specifically: the torsion spring 17 is sleeved on the first connecting shaft 9, one force arm is connected with the first connecting shaft 9, and the other force arm is connected with the second connecting shaft 11. The bottom plate 18 is arranged on the drawer base, the upper end of the bottom plate is provided with straight teeth 19 meshed with the screw rod 2, and the straight teeth 19 and the bottom plate 18 can be integrally formed. And (3) injection: the speed ratio between the speed change gear 4 and the operating gear 3 is determined by the length of the spur gear 19 and the positions of the separation groove 6, the test groove 7, and the connection groove 8, so long as the positioning post 13 can be aligned with the separation groove 6, the test groove 7, and the connection groove 8 when the separation position, the test position, and the connection position are satisfied. When the drawer body is pushed to the separation position, the test position and the connection position, the positioning posts 13 are respectively embedded into the separation groove 6, the test groove 7 and the connection groove 8, and trigger the tact switch 16 through the swing arm 12, and the tact switch 16 transmits signals to the control system.

Preferably, the swing arm 12 is L-shaped, and the center vertex of the L-shaped swing arm is pivotally connected to the second connecting shaft 11, so as to form a crank structure, which has the advantages of simple structure and sensitive response.

Preferably, the bracket 1 includes a front mounting plate 20, a middle mounting plate 21 connected to the front mounting plate 20, and a rear mounting plate 22 connected to the middle mounting plate 21, the screw rod 2 is pivotally connected between the front mounting plate 20 and the middle mounting plate 21, the operating gear 3, the speed change gear 4, and the positioning gear 5 are all pivotally connected between the middle mounting plate 21 and the rear mounting plate 22, and the first connecting shaft 9, the second connecting shaft 11, and the tact switch 16 are mounted above the front mounting plate 20. Through the structure, the hand-operated propelling mechanism forms an assembly, and the installation of the hand-operated propelling mechanism does not depend on a drawer of the switch cabinet, so that the hand-operated propelling mechanism is convenient to produce and assemble, and the hand-operated propelling mechanism is very stable and compact and does not occupy space.

Preferably, a first reference mark portion 24 is disposed on a side of the operating gear 3 corresponding to the inner hexagonal operating hole 23, and a second reference mark portion 25 paired with the first reference mark portion 24 is disposed on the speed-changing gear 4, so as to facilitate a user to observe a current working position of the operating gear 3.

Preferably, the front end of the positioning column 13 is provided with a bullet positioning part 26, and the bullet positioning part 26 is matched with the separation groove 6, the test groove 7 and the connection groove 8, so that the sliding between the two parts is smoother.

Preferably, the end face of the positioning gear 5 is provided with a travel limiting groove 27, and the bracket 1 is provided with a travel limiting screw 28 matched with the travel limiting groove 27 so as to limit the rotation travel of the positioning gear 5, so as to prevent the user from over rotating and damaging equipment.

Example 2:

referring to fig. 7, the switch cabinet drawer of the present utility model includes a drawer body 29, and a hand-operated pushing mechanism a of the switch cabinet drawer described in embodiment 1 is installed at the bottom of the drawer body 29. Specific: the bottom of the bracket 1 is fixed to the bottom of the drawer body 29 by installing screws.

Example 3:

referring to fig. 8, a switch cabinet of the present utility model includes a switch cabinet body 30, and a drawer body 29 described in embodiment 1 is mounted on the switch cabinet body 30. Specific: the bottom plate 18 is first mounted on the drawer base 32, then the drawer base 32 is installed into the framework of the switch cabinet body 30, and finally the drawer body 29 is mounted on the drawer base 32 and slidably engaged therewith.

As described above, the present utility model is not limited to any form, but is not limited to the above-described preferred embodiments, and any person skilled in the art can make a few changes or modifications to the equivalent embodiments without departing from the scope of the present utility model, but any simple modification, equivalent changes and modifications to the above-described embodiments according to the technical matter of the present utility model are still within the scope of the present utility model.

Claims

1. The utility model provides a hand advancing mechanism of cubical switchboard drawer, includes support (1), coupling in lead screw (2) on support (1), connect in operating gear (3) of lead screw (2) tip, coupling in on support (1) and with gear (4) of operating gear (3) interlock and coupling in on support (1) and with gear (5) of positioning of gear (4) interlock, its characterized in that: the end face of positioning gear (5) is equipped with separation recess (6), test recess (7), switch-on recess (8), there is gangbar (10) through first connecting axle (9) coupling on support (1), there is swing arm (12) through second connecting axle (11) coupling, be equipped with on gangbar (10) with separation recess (6), test recess (7), switch-on recess (8) location complex reference column (13), swing arm (12) one end pass through elongated slot (14) with third connecting axle (15) coupling on gangbar (10), the other end and setting are in dab switch (16) on support (1) are connected, gangbar (10) one side sets up torsional spring (17), makes gangbar (10) lean on to positioning gear (5).

2. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the screw rod (2) is characterized by further comprising a bottom plate (18), wherein straight teeth (19) meshed with the screw rod (2) are arranged on the bottom plate (18).

3. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the swing arm (12) is L-shaped.

4. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the support (1) comprises a front mounting plate (20), a middle mounting plate (21) connected to the front mounting plate (20) and a rear mounting plate (22) connected to the middle mounting plate (21), the screw rod (2) is connected between the front mounting plate (20) and the middle mounting plate (21) in a shaft mode, the operating gear (3), the speed change gear (4) and the positioning gear (5) are connected between the middle mounting plate (21) and the rear mounting plate (22) in a shaft mode, and the first connecting shaft (9), the second connecting shaft (11) and the tact switch (16) are arranged above the front mounting plate (20).

5. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the end of the operating gear (3) is provided with an inner hexagonal operating hole (23), one side corresponding to the inner hexagonal operating hole (23) is provided with a first reference mark part (24), and the speed change gear (4) is provided with a second reference mark part (25) matched with the first reference mark part (24).

6. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the front end of the positioning column (13) is provided with a bullet positioning part (26).

7. The switchgear drawer hand propulsion mechanism of claim 1 wherein: the end face of the positioning gear (5) is provided with a travel limiting groove (27), and the bracket (1) is provided with a travel limiting screw (28) matched with the travel limiting groove (27).

8. A switchgear drawer comprising a drawer body (29), characterized in that: a switch cabinet drawer hand-operated propulsion mechanism (a) as claimed in any one of claims 1 to 7 is arranged at the bottom of the drawer body (29).

9. Switch cabinet, comprising a switch cabinet body (30), characterized in that: the switch cabinet body (30) is provided with the drawer body (29) as claimed in claim 8.