CN214943361U - Side door limiting device and operation machine - Google Patents

Side door limiting device and operation machine Download PDF

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Publication number
CN214943361U
CN214943361U CN202120092081.8U CN202120092081U CN214943361U CN 214943361 U CN214943361 U CN 214943361U CN 202120092081 U CN202120092081 U CN 202120092081U CN 214943361 U CN214943361 U CN 214943361U
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cylinder
piston
side door
return spring
limiting device
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CN202120092081.8U
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Chinese (zh)
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刘少孔
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Shanghai Sany Heavy Machinery Co Ltd
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Shanghai Sany Heavy Machinery Co Ltd
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Abstract

The utility model provides a side door stop device and operation machinery. Side door stop device, including cylinder and piston, the first end of piston is inserted and is established in the cylinder to can follow the axis direction slip of cylinder, be equipped with return spring in the cylinder, return spring card is located between the first end of piston and the first end of cylinder, the second end of piston is used for with spacing block rubber laminating adaptation. The utility model discloses a set up cylinder and piston, the first end of piston is inserted and is established in the cylinder, and guarantee that the piston can follow the axis direction slip of cylinder, set up return spring in the cylinder, return spring card locates between the first end of piston and the first end of cylinder, realize the elastic support to the piston, the second end of piston is used for with spacing block rubber laminating adaptation, when installing spacing block rubber on the side door and piston contact, return spring provides elastic support to the piston, realize the shock attenuation effect, reduce hard power, and simultaneously, the centre gripping laminating is stabilized with the piston to spacing block rubber, realize making an uproar, improve spacing effect.

Description

Side door limiting device and operation machine
Technical Field
The utility model relates to a machine parts technical field especially relates to a side door stop device and operation machinery.
Background
Large-scale excavator side door is heavier, and is higher to the fixed requirement of side door, if can not carry out fine card when closing and hold spacingly, along with the vibrations of complete machine during operation, often cause the lock to damage, reduce its life, produce great noise. Excavator side door stop screw effect on the existing market is not good, and the shock attenuation effect is different along with the installation of door, and the effect is different, mostly is the noise of sheet metal vibrations, and the sound is felt poor, and damages easily, and the adjustment is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a side door stop device and operation machinery for solve the poor defect of excavator side door stop screw effect among the prior art, realize improving spacing card and hold the effect, fall and make an uproar.
The utility model provides a side door stop device, including cylinder and piston, the first end of piston is inserted and is established in the cylinder, and can follow the axis direction of cylinder slides, be equipped with return spring in the cylinder, return spring card is located the first end of piston with between the first end of cylinder, the second end of piston is used for and sets up the spacing rubber piece laminating adaptation on the side door.
According to the utility model provides a pair of side door stop device, the first end of piston is equipped with annular ka tai, the external diameter of annular ka tai with the internal diameter of cylinder is the same, the first end of cylinder is equipped with the air vent.
According to the utility model provides a pair of side door stop device, the first end of cylinder is equipped with sealed lid, the air vent is located sealed covering.
According to the utility model provides a pair of side door stop device, the second end of cylinder is equipped with the perforation, fenestrate diameter with the diameter of piston is the same.
According to the utility model provides a pair of side door stop device, the lateral wall of cylinder is equipped with the dog.
According to the utility model provides a pair of side door stop device, the lateral wall of cylinder is equipped with the installation screw thread.
According to the utility model provides a pair of side door stop device, the second end of piston is equipped with the lug, the lug can with the adaptation is held to the recess card of spacing block rubber.
The utility model also provides an operation machine, including the driver's cabin and with driver's cabin pivotal connection's side door and as above side door stop device, the cylinder is located the automobile body stand of driver's cabin is connected, spacing block rubber install in on the side door.
The utility model provides a pair of side door stop device and operation machinery, through setting up cylinder and piston, the first end of piston is inserted and is established in the cylinder, and guarantee that the piston can follow the axis direction slip of cylinder, set up return spring in the cylinder, return spring card is located between the first end of piston and the first end of cylinder, realize the elastic support to the piston, the second end of piston is used for with spacing rubber piece laminating adaptation, when installing spacing rubber piece and the piston contact on the side door, return spring provides elastic support to the piston, realize the shock attenuation effect, reduce hard power, and simultaneously, spacing rubber piece stabilizes the centre gripping with the piston and laminates, realize making an uproar, improve spacing effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a side door positioning device according to the present invention;
reference numerals:
100: a cylinder barrel; 110: a return spring; 120: a sealing cover;
130: a vent hole; 140: a stopper; 200: a piston;
210: an annular clamping table; 220: a bump; 300: and a limiting rubber block.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
The utility model discloses a side door stop device is described below with reference to fig. 1, including cylinder 100 and piston 200, the first end of piston 200 is inserted and is established in cylinder 100 to can follow the axis direction slip of cylinder 100, be equipped with return spring 110 in the cylinder 100, return spring 110 card is located between the first end of piston 200 and the first end of cylinder 100, the second end of piston 200 be used for with set up the spacing rubber piece 300 laminating adaptation on the side door. It will be appreciated that the cylinder barrel 100 is disposed horizontally laterally, i.e. the axis of the cylinder barrel 100 is horizontal. The first end of the piston 200 is inserted into the cylinder 100, the axis of the piston 200 coincides with the axis of the cylinder 100, and the piston 200 can slide freely in the cylinder 100. A return spring 110 is provided in the cylinder 100, and an axis of the return spring 110 coincides with an axis of the cylinder 100. One end of the return spring 110 is in contact with the first end of the cylinder 100, i.e., the inner bottom end thereof, and the other end thereof is in contact with the first end of the piston 200, providing elastic support. The second end of piston 200 is used for with spacing rubber block 300 laminating adaptation, realizes spacing to spacing rubber block 300, the effect of shock attenuation and noise reduction.
Specifically, spacing block rubber 300 is installed on the side door, cylinder 100 is installed on the automobile body stand, when rotatory side door was closed, the laminating of the second end of spacing block rubber 300 and piston 200 for piston 200 atress extrusion return spring 110, return spring 110 produces return holding power to piston 200, eliminate the hard power of putting between side door and the door stand, the realization is fallen and is fallen the noise, and simultaneously, piston 200's second end is held with the spacing card of spacing rubber, guarantee to the spacing closing of side door, and simple to operate is convenient for adjust, and is effectual.
According to the utility model provides a pair of side door stop device, the first end of piston 200 is equipped with annular ka tai 210, and annular ka tai 210's external diameter is the same with the internal diameter of cylinder 100, and the first end of cylinder 100 is equipped with air vent 130. It can be understood that, the first end of the piston 200 is provided with the annular clamping table 210, the inner diameter of the annular clamping table 210 is the same as the diameter of the piston 200, the outer diameter of the annular clamping table 210 is the same as the inner diameter of the cylinder 100, so as to achieve the sealing effect between the annular clamping table 210 and the inner wall of the cylinder 100, the first end of the cylinder 100 is provided with the vent hole 130, when the piston 200 slides in the cylinder 100 and presses the return spring 110, the gas in the cylinder 100 is discharged from the vent hole 130, and when the return spring 110 supports the first end of the piston 200 to slide towards the direction of the second end thereof, the gas enters the cylinder 100 from the vent hole 130, so that the dual resistance of the return spring 110 and the air is generated, the height and the limit are adjusted, the noise and the shock absorption effect are reduced. In one embodiment, the annular shelf 210 is integrally formed with the piston 200.
According to the utility model provides a pair of side door stop device, the first end of cylinder 100 is equipped with sealed lid 120, and air vent 130 is located on sealed lid 120. It will be appreciated that the first end of the cylinder 100 is provided with a removable seal cap 120 to facilitate assembly of the piston 200. The vent 130 is provided on the seal cap 120, and in one embodiment, the axis of the vent 130 coincides with the axis of the cylinder 100. Specifically, the second end of the piston 200 penetrates into the cylinder 100 from the first end of the cylinder 100 and is exposed outside the second end of the cylinder 100, the first end of the piston 200 is located in the cylinder 100, and the annular clamping table 210 is in sealing fit with the inner side wall of the cylinder 100, so that the piston 200 can freely slide in the cylinder 100; the return spring 110 is inserted into the first end of the cylinder 100 and contacts the first end of the piston 200, and the sealing cap 120 is covered on the first end of the cylinder 100 and contacts the return spring 110 to complete the assembly.
In one embodiment, the sealing cover 120 is provided with external threads, and the first end of the cylinder 100 is provided with internal threads, so that the sealing cover 120 is in threaded connection with the first end of the cylinder 100, and the connection strength is ensured.
According to the utility model provides a pair of side door stop device, the second end of cylinder 100 is equipped with the perforation, and the diameter of fenestrate is the same with piston 200's diameter. It can be understood that the second end of the cylinder barrel 100 is provided with a through hole, the axis of the through hole coincides with the axis of the cylinder barrel 100, and the diameter of the through hole is the same as the diameter of the piston 200 and smaller than the outer diameter of the annular clamping table 210, so that the annular clamping table 210 is limited, the piston 200 is prevented from being separated from the second end of the cylinder barrel 100, that is, when the side door is opened, the annular clamping table 210 is matched with the through hole clamping position, and the second end of the piston 200 is separated from the limiting rubber block 300.
According to the utility model provides a pair of side door stop device, the lateral wall of cylinder 100 is equipped with dog 140. It will be appreciated that the outer side wall of the cylinder 100 is provided with a stop 140 for limiting the cylinder 100 by the door pillar and preventing the cylinder 100 from separating from the door pillar. The stop 140 is provided in one embodiment as a ring and is integrally formed with the cylinder barrel 100.
According to the utility model provides a pair of side door stop device, the lateral wall of cylinder 100 is equipped with the installation screw thread. It will be appreciated that to further enhance the strength of the mounting of the cylinder tube 100 to the door pillar, in one embodiment, mounting threads are provided on the outer side wall of the cylinder tube 100, the mounting threads being provided on the outer side wall of the cylinder tube 100 between the stop 140 and the second end of the cylinder tube 100.
According to the utility model provides a pair of side door stop device, the second end of piston 200 is equipped with lug 220, and lug 220 can hold the adaptation with the recess card of spacing rubber piece 300. It can be understood that the second end of the piston 200 is provided with the bump 220, the limiting rubber block 300 is provided with a groove, when the side door is closed, the bump 220 is opposite to the groove, and the bump 220 is inserted into the groove, so that the piston 200 and the limiting rubber block 300 are clamped and limited. It should be noted that the shape of the stopper rubber 300 may be the shape shown in fig. 1, and may also be a rectangular parallelepiped or a square.
The utility model also provides an operation machine, including the driver's cabin and with driver's cabin pivotal connection's side door and above-mentioned side door stop device, the automobile body stand that the driver's cabin was located to cylinder 100 is connected, and spacing block rubber 300 is installed on the side door. When the side door of the operation machine is closed, noise reduction, shock absorption and limiting effects are formed between the side door and the vehicle body upright post. It is noted that the work machine may be an excavator, a crane, a pile machine, or the like.
The utility model provides a pair of side door stop device and operation machinery, through setting up cylinder and piston, the first end of piston is inserted and is established in the cylinder, and guarantee that the piston can follow the axis direction slip of cylinder, set up return spring in the cylinder, return spring card is located between the first end of piston and the first end of cylinder, realize the elastic support to the piston, the second end of piston is used for with spacing rubber piece laminating adaptation, when installing spacing rubber piece and the piston contact on the side door, return spring provides elastic support to the piston, realize the shock attenuation effect, reduce hard power, and simultaneously, spacing rubber piece stabilizes the centre gripping with the piston and laminates, realize making an uproar, improve spacing effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. The utility model provides a side door stop device, its characterized in that, includes cylinder and piston, the first end of piston is inserted and is established in the cylinder, and can follow the axis direction of cylinder slides, be equipped with return spring in the cylinder, return spring card is located the first end of piston with between the first end of cylinder, the second end of piston is used for with the spacing rubber piece laminating adaptation of setting on the side door.
2. The side door limiting device according to claim 1, wherein an annular clamping table is arranged at the first end of the piston, the outer diameter of the annular clamping table is the same as the inner diameter of the cylinder barrel, and a vent hole is formed in the first end of the cylinder barrel.
3. The side door restraint device of claim 2, wherein a sealing cover is disposed at the first end of the cylinder barrel, and the vent hole is disposed on the sealing cover.
4. The side door limiting device of claim 2, wherein the second end of the cylinder barrel is provided with a through hole, and the diameter of the through hole is the same as that of the piston.
5. The side door limiting device according to claim 1, wherein a stopper is provided on an outer side wall of the cylinder.
6. The side door limiting device according to claim 1, wherein an outer side wall of the cylinder barrel is provided with mounting threads.
7. The side door limiting device according to any one of claims 1 to 6, wherein the second end of the piston is provided with a bump, and the bump can be matched with the groove of the limiting rubber block in a clamping manner.
8. A working machine, characterized by, including the driver's cabin and with driver's cabin pivotal connection's side door and as in any one of claims 1 to 7 the side door stop device, the cylinder is located the automobile body stand of driver's cabin is connected, spacing rubber block is installed on the side door.
CN202120092081.8U 2021-01-13 2021-01-13 Side door limiting device and operation machine Active CN214943361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120092081.8U CN214943361U (en) 2021-01-13 2021-01-13 Side door limiting device and operation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120092081.8U CN214943361U (en) 2021-01-13 2021-01-13 Side door limiting device and operation machine

Publications (1)

Publication Number Publication Date
CN214943361U true CN214943361U (en) 2021-11-30

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ID=79122060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120092081.8U Active CN214943361U (en) 2021-01-13 2021-01-13 Side door limiting device and operation machine

Country Status (1)

Country Link
CN (1) CN214943361U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115110864A (en) * 2022-08-05 2022-09-27 徐州徐工挖掘机械有限公司 Driver's cabin side door helping hand buffer gear and driver's cabin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115110864A (en) * 2022-08-05 2022-09-27 徐州徐工挖掘机械有限公司 Driver's cabin side door helping hand buffer gear and driver's cabin

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