CN211710668U - Height adjusting device for engineering machinery seat - Google Patents

Abstract

The utility model discloses an engineering machinery seat height adjusting device, including base, seat, fixed case, adjustment mechanism and support column, the base top is provided with the seat, and the terminal surface is fixed to be installed with the fixed case under the seat, and fixed incasement portion is fixed to be installed with adjustment mechanism, and the perpendicular fixedly connected with of base up end central point position has two specifications unanimous and each other side by side the support column that sets up, the utility model has the advantages of easy operation, need not many rotation regulation, have easy operation's characteristic; rotate the crank and drive spacing dish and rotate, spacing dish meshing drives meshing gear and rotates, and meshing gear drives the screw shaft and rotates, and the screw shaft drives two screw ring screw threads and rotates, drives corresponding first pole, second pole and grip block respectively and is close to the support column, carries out the centre gripping operation to the support column, the utility model discloses the advantage lies in that support intensity is high, is provided with two support columns, has avoided traditional single support column to support unstable problem and has appeared.

Description

Height adjusting device for engineering machinery seat

Technical Field

The utility model relates to a height adjusting device, in particular to engineering machine tool seat height adjusting device belongs to engineering machine tool seat technical field.

Background

The seat in the engineering machinery cab can be generally adjusted in height for facilitating the use of different drivers, the height adjusting device of the engineering machinery seat in the current market comprises electric, pneumatic, hydraulic and manual adjusting modes, and certain potential safety hazards exist in the adjusting modes such as the electric, pneumatic and hydraulic modes in consideration of the special environment (mechanical vibration and high temperature) of the engineering machinery cab.

The conventional manual engineering machinery seat height adjusting device is complex to operate, low in supporting strength and inconvenient to maintain and disassemble, and therefore an engineering machinery seat height adjusting device needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering machine tool seat height adjusting device to solve the present manual engineering machine tool seat height adjusting device operation that proposes among the above-mentioned background art complicacy, support the problem that intensity is low.

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

the utility model provides an engineering machine tool seat height adjusting device, includes base, seat, fixed case, adjustment mechanism and support column, the base top is provided with the seat, terminal surface fixed mounting has the fixed case under the seat, the inside fixed mounting of fixed case has adjustment mechanism, the support column that two specifications of base up end central point position perpendicular fixedly connected with are unanimous and set up side by side between each other, two the support column is kept away from the base upper end and is run through the fixed case and go to the bottom with adjustment mechanism fixed mounting.

As a preferred technical scheme of the utility model, the terminal surface runs through about the fixed case and has seted up two support column grooves, two the support column groove sets up relatively with two support column specification looks adaptations and position, two the spacing block groove has all been seted up to support column groove one side inner wall, spacing dish groove has been seted up to fixed case one side.

As a preferred technical scheme of the utility model, adjustment mechanism includes two stoppers, two the stopper all sets up at the stopper inslot that corresponds, two the external diameter of stopper equals the internal diameter that corresponds the stopper groove, two the first pole of stopper one side centre of a circle position fixedly connected with, two the first pole is kept away from the equal perpendicular fixedly connected with second pole of one end that corresponds the stopper, two the second pole is kept away from and is corresponded the equal fixed mounting of first pole one end and has the screw thread ring.

As a preferred technical scheme of the utility model, adjustment mechanism includes spacing dish, spacing dish is at the installation of the spacing dish inslot rotation that corresponds, support column one side perpendicular fixedly connected with rocker is kept away from to spacing dish, the outer anchor ring of spacing dish is provided with the meshing tooth, spacing dish one side is provided with the meshing gear, the meshing gear passes through the meshing tooth and is connected with spacing dish meshing, the meshing gear rotates and installs on fixed incasement chamber lateral wall, meshing gear one side centre of a circle position perpendicular fixedly connected with screw spindle, the screw spindle simultaneously with two screw ring threaded connection, the screw spindle is kept away from meshing gear one end and is rotated and install the bearing, the bearing perpendicular fixed mounting is on another lateral wall of fixed incasement chamber.

As an optimal technical scheme of the utility model, two the equal sliding insertion of support column corresponds the support column groove, two the support column designs with the support column groove looks adaptation that corresponds.

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

firstly, the utility model has the advantages of simple operation, the clamping, the limiting and the fixing of the support column can be realized only by rotating the crank forwards or reversely, and the rotation adjustment at multiple positions is not needed, thus having the characteristic of simple operation;

the specific transmission process is as follows: the crank is rotated to drive the limiting disc to rotate, the limiting disc is meshed to drive the meshing gear to rotate, the meshing gear drives the threaded shaft to rotate, the threaded shaft drives the two threaded rings to rotate in a threaded manner, the corresponding first rod, the corresponding second rod and the corresponding clamping block are respectively driven to be close to the support column, and the support column is clamped;

secondly, the utility model discloses the advantage lies in that support intensity is high, is provided with two support columns, has avoided traditional single support column to support unstable problem to appear, and fixed case and seat can wholly be dismantled, convenient maintenance change.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an adjusting mechanism of the present invention;

fig. 3 is a schematic view of the installation structure of the threaded ring of the present invention.

In the figure: 1. a base; 2. a seat; 3. a fixed box; 4. an adjustment mechanism; 5. a support pillar; 31. a support post slot; 32. a limiting block groove; 33. a limiting disc groove; 41. a limiting block; 42. a first lever; 43. a second lever; 44. a threaded ring; 45. a limiting disc; 46. a rocker; 47. a meshing gear; 48. a threaded shaft; 49. and a bearing.

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.

Please refer to fig. 1-3, the utility model provides an engineering machine tool seat height adjusting device, which comprises a base 1, seat 2, fixing box 3, adjustment mechanism 4 and support column 5, 1 top of base is provided with seat 2, seat 2 adopts the slim and graceful polyethylene macromolecular material of material to make, whole weight makes things convenient for the manual transport of navigating mate, terminal surface fixed mounting has fixing box 3 under seat 2, fixing box 3 inside fixed mounting has adjustment mechanism 4, 1 up end central point of base puts two unanimous specifications of perpendicular fixedly connected with and each other support column 5 that sets up side by side, two support columns 5 keep away from 1 upper end of base and run through fixing box 3 and go to the bottom and adjustment mechanism 4 fixed mounting each other.

Wherein, two support column grooves 31 have been seted up in the terminal surface runs through about fixed case 3, and two support column grooves 31 set up with 5 specification looks adaptations of two support columns and position relatively, and spacing block groove 32 has all been seted up to the cell wall in two support column grooves 31 one side, and spacing dish groove 33 has been seted up to fixed case 3 one side, and spacing dish groove 33's notch and fixed case 3 lateral wall parallel and level.

Wherein, adjustment mechanism 4 includes two stopper 41, two stopper 41 all set up in the stopper groove 32 that corresponds, the external diameter of two stopper 41 equals the internal diameter that corresponds stopper groove 32, two stopper 41 one side centre of a circle position fixedly connected with first pole 42, two first poles 42 keep away from the equal perpendicular fixedly connected with second pole 43 of one end that corresponds stopper 41, two second poles 43 keep away from the equal fixed mounting in corresponding first pole 42 one end and have threaded ring 44, the activity interval of two threaded ring 44 is unanimous with the activity interval that corresponds stopper 41, two stopper 41 can be the support column 5 that the centre gripping corresponds simultaneously, the not hard up problem of centre gripping can not appear.

Wherein, the adjusting mechanism 4 comprises a limiting disc 45, the limiting disc 45 is rotatably installed in the corresponding limiting disc groove 33, one side of the limiting disc 45 far away from the support column 5 is vertically and fixedly connected with a rocker 46, the outer ring surface of the limiting disc 45 is provided with meshing teeth, one side of the limiting disc 45 is provided with a meshing gear 47, the meshing gear 47 is meshed with the limiting disc 45 through the meshing teeth, the meshing gear 47 is rotatably installed on the side wall of the inner cavity of the fixed box 3, the circle center position of one side of the meshing gear 47 is vertically and fixedly connected with a threaded shaft 48, the threaded shaft 48 is simultaneously in threaded connection with two threaded rings 44, one end of the threaded shaft 48 far away from the meshing gear 47 is rotatably installed with a bearing 49, the bearing 49 is vertically and fixedly installed on the other side wall of the inner cavity of the fixed, the movable cavities of the second rod 43 and the first rod 42 facilitate the transmission of the mechanical accessories.

Wherein, two support columns 5 all slide and insert corresponding support column groove 31, and two support columns 5 and the design of the support column groove 31 looks adaptation that corresponds guarantee that support column 5 can be in good contact with two stopper 41 when daily engineering machinery driver's cabin vibrates.

Principle of operation

The first step is as follows: firstly, the rocker 46 is rotated to drive the limiting disc 45 to rotate, the limiting disc 45 drives the meshing gear 47 to start rotating through the meshing gear, the rotation of the meshing gear 47 drives the threaded shaft 48 to rotate, the rotation of the threaded shaft 48 drives the two threaded rings 44 to rotate in a threaded manner, and because the two limiting blocks 41 are arranged in the corresponding limiting block grooves 32, the two limiting blocks 41, the two first rods 42, the two second rods 43 and the two threaded rings 44 only axially move along the same threaded shaft 48 and cannot rotate, the two limiting blocks 41 are respectively far away from the corresponding supporting columns 5, and at the moment, the two supporting columns 5 move freely in the corresponding supporting column grooves 31;

the second step is that: after the driver adjusts the height of the seat 2 according to the stature of the driver, the rocker 46 is rotated reversely, the transmission process in the first step is repeated, and finally the two limiting blocks 41 are continuously close to the side walls of the corresponding supporting columns 5 and extrude the corresponding supporting columns 5, so that the height of the seat 2 is finally determined.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (5)

1. The utility model provides an engineering machine tool seat height adjusting device, includes base (1), seat (2), fixed case (3), adjustment mechanism (4) and support column (5), its characterized in that, base (1) top is provided with seat (2), terminal surface fixed mounting has fixed case (3) under seat (2), fixed case (3) inside fixed mounting has adjustment mechanism (4), support column (5) that two specifications of base (1) up end central point position perpendicular fixedly connected with were unanimous and set up side by side each other, two support column (5) are kept away from base (1) upper end and are run through fixed case (3) and go to the bottom and adjustment mechanism (4) fixed mounting.

2. The engineering machinery seat height adjusting device of claim 1, wherein: two support column grooves (31) are formed in the upper end face and the lower end face of the fixed box (3) in a penetrating mode, the two support column grooves (31) are arranged opposite to the two support columns (5) in specification and matched mode, the two support column grooves (31) are formed in the inner groove wall of one side and are provided with limiting block grooves (32), and the limiting disc grooves (33) are formed in one side of the fixed box (3).

3. The engineering machinery seat height adjusting device of claim 1, wherein: adjustment mechanism (4) include two stopper (41), two stopper (41) all set up in stopper groove (32) that correspond, two the external diameter of stopper (41) equals the internal diameter that corresponds stopper groove (32), two stopper (41) one side centre of a circle position fixedly connected with first pole (42), two the equal perpendicular fixedly connected with second pole (43) of one end that corresponds stopper (41) are kept away from in first pole (42), two the equal fixed mounting in corresponding first pole (42) one end has threaded ring (44) is kept away from in second pole (43).

4. The engineering machinery seat height adjusting device of claim 1, wherein: the adjusting mechanism (4) comprises a limiting disc (45), the limiting disc (45) is rotatably arranged in a corresponding limiting disc groove (33), one side of the limiting disc (45) far away from the supporting column (5) is vertically and fixedly connected with a rocker (46), the outer ring surface of the limiting disc (45) is provided with engaging teeth, one side of the limiting disc (45) is provided with an engaging gear (47), the meshing gear (47) is meshed and connected with the limiting disc (45) through meshing teeth, the meshing gear (47) is rotatably arranged on the side wall of the inner cavity of the fixed box (3), a threaded shaft (48) is vertically and fixedly connected with the circle center position at one side of the meshing gear (47), the threaded shaft (48) is simultaneously in threaded connection with the two threaded rings (44), one end of the threaded shaft (48) far away from the meshing gear (47) is rotatably provided with a bearing (49), and the bearing (49) is vertically and fixedly arranged on the other side wall of the inner cavity of the fixed box (3).

5. The engineering machinery seat height adjusting device of claim 1, wherein: two equal sliding insertion of support column (5) corresponds support column groove (31), two support column (5) and the support column groove (31) looks adaptation design that corresponds.

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