CN216108727U

CN216108727U - Front window assembly convenient to open and excavator

Info

Publication number: CN216108727U
Application number: CN202122120779.9U
Authority: CN
Inventors: 廖生梅
Original assignee: Jiangsu Renmei Automobile Technology Development Co ltd
Current assignee: Jiangsu Renmei Automobile Technology Development Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-22
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a front window assembly convenient to open and an excavator, comprising: two stringers, either stringer having a first internal cavity; the handle is used for being connected with a longitudinal beam, and any handle is provided with a second inner cavity communicated with the first inner cavity; two tool to locks, arbitrary tool to lock includes the support, first rocking arm, the second rocking arm, the check lock lever, the connecting rod, third rocking arm and button, the support is installed on the longeron, first rocking arm and second rocking arm can set up on the support and first rocking arm and second rocking arm looks butt with rotating, the second rocking arm has a spout, the check lock lever is fixed in on the guide rail and can the holding in the spout, the button can be connected on the handle with sliding, the third rocking arm can connect on the button with rotating, the connecting rod sets up in the first inner chamber of longeron, the one end and the first rocking arm of connecting rod are connected, the other end of connecting rod penetrates in the second inner chamber of handle and is connected with the third rocking arm. This scheme can improve the convenience that excavator front window subassembly was opened.

Description

Front window assembly convenient to open and excavator

Technical Field

The utility model relates to the technical field of front windows of excavators, in particular to a front window assembly convenient to open and an excavator.

Background

With the development of economic construction in China, the demand of various industries on the excavator is larger and larger, and the demand on the performance of the excavator is higher and higher. Since excavators are often operated in the field and in the open air, and the working environment is diversified, it is generally required that the excavator can open a front window of a cab to open a field of view and keep the air clear.

The handle and the lockset on the front window component of the existing excavator are separately arranged, when a person needs to open the front window, the lockset needs to be opened by hands firstly so that the lock tongue can withdraw from the limiting hole of the window frame, and then the hands are moved to the handle so as to lift the front window. Usually, the tool to lock just can withdraw from the spacing hole of window frame when the button is in the state of being pressed always, consequently, when personnel will move the hand to on hand, because tool to lock has lost the pressing force, its spring bolt is probably rebounded spacing downthehole again, leads to the front window to be locked again, and then leads to the front window can't open.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, embodiments of the present invention provide a front window assembly and an excavator, which are convenient to open, and are used for solving the above problems.

The embodiment of the application discloses: a front window assembly for easy opening, which is installed on a guide rail of an excavator, comprising:

the glass mounting device comprises two longitudinal beams, a first fixing device and a second fixing device, wherein the two longitudinal beams are oppositely arranged and used for mounting glass, and any one longitudinal beam is provided with a first inner cavity;

two handles, one for connection with one of the stringers, either handle having a second lumen in communication with the first lumen;

the lock comprises two locks, wherein each lock comprises a support, a first rocker arm, a second rocker arm, a locking rod, a connecting rod, a third rocker arm and a button, the support is arranged on the longitudinal beam, the first rocker arm and the second rocker arm can be rotatably arranged on the support and are abutted, the second rocker arm is provided with a sliding groove, the locking rod is fixed on the guide rail and can be contained in the sliding groove, the button can be slidably connected to the handle, the third rocker arm can be rotatably connected to the button, the connecting rod is arranged in a first inner cavity of the longitudinal beam, one end of the connecting rod is connected with the first rocker arm, the other end of the connecting rod penetrates into a second inner cavity of the handle and is connected with the third rocker arm, and when the button is pressed, the third rocker arm drives the connecting rod to push the first rocker arm, so that the second rocker arm rotates under the pushing of the first rocker arm until the sliding groove can move relative to the locking rod.

Specifically, the first rocker arm is connected with the bracket through a first torsion spring.

Specifically, the second rocker arm is connected with the bracket through a second torsion spring.

Specifically, the longitudinal beam comprises an inner piece and an outer piece which are detachably connected, and the inner piece is arranged on one side, facing the cab of the excavator, of the outer piece.

Specifically, the handle is detachably connected with the longitudinal beam.

Specifically, the first rocker arm comprises a first connecting portion and a second connecting portion, the first connecting portion is used for being connected with the connecting rod, the second connecting portion is used for being connected with the second rocker arm, the second rocker arm comprises a third connecting portion, the third connecting portion is used for being connected with the first rocker arm, and when the second connecting portion abuts against the third connecting portion, the lockset is in a locking state.

Specifically, the locking lever includes screw thread end and polished rod end that meet, the screw thread end be used for with the guide rail is connected, polished rod end be used for with the spout cooperation of second rocking arm.

The embodiment of the application also discloses: an excavator comprising a front window assembly which is easy to open as described in this embodiment.

The utility model has at least the following beneficial effects: the button that its unblanking of this embodiment was used sets up on the handle, when personnel need open the front window, can hold the handle with the hand and press the button with the thumb simultaneously, and personnel's hand can exert pressure and exert ascending thrust (or pulling force) to the handle simultaneously to the button, is convenient for the front window to open.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a front window assembly for opening in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view at B in fig. 1.

Reference numerals of the above figures: 1. a stringer; 11. an internal member; 12. an outer piece; 2. a handle; 31. a support; 32. a first rocker arm; 321. a first connection portion; 322. a second connecting portion; 33. a second rocker arm; 331. a third connecting portion; 34. a locking lever; 35. a connecting rod; 36. a third rocker arm; 37. a button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the front window assembly easy to open of the present embodiment, which is adapted to be mounted on a guide rail of an excavator, includes: two longerons 1, two handles 2 and two tool to lock. The two longitudinal beams 1 are oppositely arranged for mounting glass, and any one longitudinal beam 1 is provided with a first inner cavity; a handle 2 is used for being connected with a longeron 1, and arbitrary handle 2 has the second inner chamber with first inner chamber intercommunication, and this first inner chamber and second inner chamber are used for holding above-mentioned tool to lock.

Either lock includes a bracket 31, a first rocker 32, a second rocker 33, a lock lever 34, a link 35, a third rocker 36, and a push button 37. Wherein, the bracket 31 is installed on the longitudinal beam 1, the first rocker 32 and the second rocker 33 are rotatably arranged on the bracket 31, the first rocker 32 and the second rocker 33 are abutted so as to generate mutual acting force, and the second rocker 33 is provided with a sliding chute; the locking rod 34 is fixed on the guide rail and can be accommodated in the sliding groove of the second rocker arm 33, when the second rocker arm 33 is clamped with the locking rod 34 through the sliding groove, the lock is in a locking state, and when the second rocker arm 33 moves relative to the locking rod 34 through the sliding groove so that the locking rod 34 relatively exits from the sliding groove, the lock is in an unlocking state; the push button 37 is slidably connected to the handle 2, the third rocker arm 36 is rotatably connected to the push button 37, one end of the connecting rod 35 disposed in the first inner cavity of the longitudinal beam 1 is connected to the first rocker arm 32, the other end of the connecting rod 35 penetrates into the second inner cavity of the handle 2 to be connected to the third rocker arm 36, when the push button 37 is pressed, as the push button 37 slides relative to the handle 2, the third rocker arm 36 rotates and moves the connecting rod 35 to push the first rocker arm 32, the first rocker arm 32 acts on the second rocker arm 33 to rotate the second rocker arm 33, so that the second rocker arm 33 rotates until the chute can move relative to the lock lever 34, or, the second rocker arm 33 rotates until the chute can be relatively separated from the lock lever 34, so that the front window assembly can move (open) upward relative to the lock lever 34.

Specifically, the first rocker 32 of the present embodiment may be connected to the bracket 31 through a first torsion spring, and the second rocker 33 may be connected to the second bracket 31 through a second torsion spring, so that the first rocker 32 and the second rocker 33 are reset after the lock is unlocked.

Specifically, as shown in fig. 3, the side member 1 of the present embodiment may include an inner member 11 and an outer member 12 that are detachably connected, and the inner member 11 is disposed on a side of the outer member 12 facing the cab of the excavator. Preferably, the outer member 12 is substantially provided with a U-shaped groove, the inner member 11 covers the mouth of the U-shaped groove, and the inner member 11 and the outer member 12 cooperate to form a first inner cavity of the longitudinal beam 1. Further, the handle 2 is detachably connected to the longitudinal beam 1. Adopt above-mentioned scheme, when the tool to lock broke down, can dismantle interior spare 11 and the outer 12 of connection, can dismantle handle 2 and longeron 1 of connection and all be convenient for personnel to the inspection and the maintenance of tool to lock.

Specifically, the locking rod 34 may include a threaded end for threaded connection with the guide rail for easy disassembly and a polished rod end for mating with the sliding slot of the second rocker arm 33 to facilitate sliding the locking rod 34 into and out of the sliding slot of the second rocker arm 33.

Specifically, as shown in fig. 2, the first rocker 32 includes a first connecting portion 321 for connecting with the connecting rod 35 and a second connecting portion 322 for connecting with the second rocker 33, the second rocker 33 includes a third connecting portion 331 for connecting with the first rocker 32, and when the second connecting portion 322 of the first rocker 32 abuts against the third connecting portion 331 of the second rocker 33, the lock is in a locked state.

The unlocking principle of the front window assembly convenient to open of the present embodiment is explained below with reference to fig. 1 and 2:

fig. 1 and 2 show the front window assembly (lock) in a locked state, in which the opening of the sliding slot of the second swing arm 33 is arranged substantially downwards (at least not towards the cab) so that the front window assembly cannot move in a direction away from the cab; when the front window needs to be opened, a person can hold the handle 2 with a hand, the thumb is used for pressing the button 37, the button 37 drives the third rocker arm 36 to rotate in the sliding process of the second inner cavity, the connecting rod 35 moves upwards to jack up the first connecting portion 321 of the first rocker arm 32 under the driving of the rotation of the third rocker arm 36, at the moment, the first rocker arm 32 can rotate, the second connecting portion 322 of the first rocker arm 32 tends to move downwards to push the third connecting portion 331 and further drive the second rocker arm 33 to rotate, when the second rocker arm 33 rotates to the opening of the sliding groove and faces the cab of the excavator, the person can push the front window assembly in the direction away from the cab, at the moment, the sliding groove can be separated from the locking rod 34, and the person lifts the front window assembly upwards to achieve window opening.

In summary, the front window assembly convenient to open of the present embodiment has the following advantages: in the lock of the embodiment, the button 37 for unlocking is arranged on the handle 2, when a person needs to open the front window, the person can hold the handle 2 by hands and press the button 37 by a thumb, and the hand of the person can simultaneously apply pressure to the button 37 and apply upward pushing force (or pulling force) to the handle 2, so that the front window can be conveniently opened.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a front window subassembly convenient to open, its installation is on the guide rail of excavator which characterized in that includes:

2. The easy open front window assembly of claim 1, wherein the first rocker arm is connected to the bracket by a first torsion spring.

3. The easy open front window assembly of claim 1, wherein the second rocker arm is connected to the bracket by a second torsion spring.

4. The easy open front window assembly of claim 1, wherein the longitudinal beam comprises an inner piece and an outer piece that are removably connected, the inner piece being disposed on a side of the outer piece facing the excavator cab.

5. The easy open front window assembly of claim 1, wherein the handle is removably connected to the rail.

6. The easy open front window assembly according to claim 1, wherein said first rocker arm comprises a first connection for connection with said link and a second connection for connection with a second rocker arm, said second rocker arm comprising a third connection for connection with said first rocker arm, said lock being in a locked state when said second and third connections abut.

7. The easy open front window assembly of claim 1, wherein the locking lever comprises a threaded end and a polished rod end joined, the threaded end for connecting with the guide rail, the polished rod end for mating with the sliding slot of the second rocker arm.

8. An excavator comprising the front window assembly facilitating opening as claimed in any one of claims 1 to 7.