CN210949660U

CN210949660U - Oil buffer

Info

Publication number: CN210949660U
Application number: CN201921567718.3U
Authority: CN
Inventors: 郑亦特
Original assignee: Zhejiang Jin'an Electric Co ltd
Current assignee: Zhejiang Jin'an Electric Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-07
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses an oil buffer, including outer jar of pressing, piston rod, impact head and insert the buffering subassembly to one side, the piston rod stretches into the inboard of outer jar of pressing, and the inboard of outer jar of pressing is equipped with reset spring, piston, stator, check valve, holds pressure sponge and interior jar, still installs in the inner chamber of interior jar and inserts the buffering subassembly to one side, inserts the buffering subassembly to one side and includes sloping block, kicking block, transverse spring, block, spacing ring sum pillar. This oil buffer, the amortization cover can the noise reduction simultaneously for the buffering, reset spring and the pressure accumulation sponge of installation all are used for the buffering in the inner chamber of the inner cylinder, the buffering subassembly is also used for the buffering to inserting to one side of piston bottom surface installation, when oil buffer during operation, the sloping block and the kicking block contact of piston bottom surface when reset spring and pressure accumulation sponge buffering, the sloping block is compelled to remove to both sides, the horizontal spring of sloping block one end continues to provide the buffering, whole buffering is effectual, move stably simultaneously.

Description

Oil buffer

Technical Field

The utility model relates to a buffer technical field specifically is an oil buffer.

Background

The hydraulic buffer is used to reduce vibration and noise in the operation of the automatic machine, convert the kinetic energy generated by the moving object into heat energy and release the heat energy into the atmosphere, and effectively stop the object in balance during the operation. When the workpiece runs to a positioning point, the hydraulic buffer avoids the machine from being directly impacted by the workpiece, and the impact force and the noise can be reduced when the workpiece stops working through the buffer at a certain distance. However, the hydraulic shock absorber is pressed to the limit position for a long time, so that the service life of the hydraulic shock absorber is greatly influenced, and meanwhile, the conventional hydraulic shock absorber has a single buffering effect and does not achieve the optimal buffering effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil buffer possesses whole effectual, moves stable advantage simultaneously, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic buffer comprises an outer pressure cylinder, a piston rod, a collision head and an inclined insertion buffer component, wherein the collision head is installed at the top end of the piston rod, the piston rod extends into the inner side of the outer pressure cylinder, a reset spring, a piston, a stator, a check valve, a pressure accumulation sponge and an inner cylinder are arranged on the inner side of the outer pressure cylinder, the stator is fixedly connected with the top end of the inner wall of the outer pressure cylinder, the center of the stator is movably matched with the piston rod, the piston is installed at the bottom end of the piston rod, the check valve is installed on the inner side of the piston and movably connected with the inner wall of the inner cylinder, the stator is fixedly welded at the top end of the inner cylinder, the bottom end of the inner cylinder is fixed with the outer pressure cylinder, the reset spring and the pressure accumulation sponge are further installed in the inner cavity of the inner cylinder, the upper end and the lower end of the reset spring are respectively contacted with the inner bottom wall of the, insert buffering subassembly to one side includes sloping block, kicking block, horizontal spring, block piece, spacing ring and pillar, and the bottom surface edge of piston is fixed to spacing ring, the one end of horizontal spring of the inner wall connection of spacing ring, and the sloping block is connected to the other end of horizontal spring, and the top of sloping block is fixed with the block piece, sloping block and block piece all with the bottom surface swing joint of piston, the inclined plane and the kicking block swing joint of sloping block, the outer jar diapire of pressing is passed through in the bottom of kicking block.

Preferably, a silencing sleeve is paved on the outer side of the impact head.

Preferably, a dustproof sleeve is arranged at the joint of the piston rod and the stator.

Preferably, the side wall of the inner cylinder is provided with an oil hole.

Preferably, the bottom surface of the piston is provided with a sliding groove matched with the clamping block.

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

this oil buffer, the amortization cover can the noise reduction simultaneously for the buffering, reset spring and the pressure accumulation sponge of installation all are used for the buffering in the inner chamber of the inner cylinder, the buffering subassembly is also used for the buffering to inserting to one side of piston bottom surface installation, it is spacing for horizontal spring to insert spacing ring in the buffering subassembly to one side, sloping block and block all with the bottom surface swing joint of piston, the sloping block just can be controlled along the bottom surface of piston about, when oil buffer during operation, the sloping block and the kicking block contact of piston bottom surface when reset spring and pressure accumulation sponge buffering, the sloping block is compelled to remove to both sides, the horizontal spring of sloping block one end continues to provide the buffering, whole buffering is effectual, the while operation is stable.

Drawings

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

FIG. 2 is a schematic structural view of the obliquely inserted buffer assembly of the present invention;

FIG. 3 is a diagram illustrating the effect of the oblique insertion buffering assembly of the present invention;

fig. 4 is a schematic view of the structure of the limiting ring of the present invention.

In the figure: 1. an outer pressure cylinder; 11. a return spring; 12. a piston; 121. a chute; 13. a stator; 14. a check valve; 15. pressure-accumulating sponge; 16. an inner cylinder; 2. a piston rod; 3. a striking head; 31. a silencing sleeve; 4. the inclined insertion buffer assembly; 41. a sloping block; 42. a top block; 43. a lateral spring; 44. a clamping block; 45. a limiting ring; 46. and a support pillar.

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. 1-4, an oil buffer includes an outer pressure cylinder 1, a piston rod 2, a striking head 3 and an inclined insertion buffer assembly 4, a silencing sleeve 31 is laid on the outer side of the striking head 3, the silencing sleeve 31 is used for buffering and reducing noise, the striking head 3 is installed on the top end of the piston rod 2, the piston rod 2 extends into the inner side of the outer pressure cylinder 1, a return spring 11, a piston 12, a stator 13, a check valve 14, a pressure accumulation sponge 15 and an inner cylinder 16 are arranged on the inner side of the outer pressure cylinder 1, the stator 13 is fixedly connected with the top end of the inner wall of the outer pressure cylinder 1, the center of the stator 13 is movably matched with the piston rod 2, namely, the piston rod 2 penetrates through the stator 13, a dustproof sleeve is installed at the connection position of the piston rod 2 and the stator 13, the dustproof sleeve can prevent dust from entering into a gap of the stator 13, the piston 12 is installed at the bottom end of the piston rod, the stator 13 is welded and fixed at the top end of the inner cylinder 16, the bottom end of the inner cylinder 16 is fixed with the outer pressure cylinder 1, the reset spring 11 and the pressure-accumulating sponge 15 are further installed in the inner cavity of the inner cylinder 16, the reset spring 11 and the pressure-accumulating sponge 15 are both used for buffering, the pressure-accumulating sponge 15 is installed above the piston 12, the upper end and the lower end of the reset spring 11 are respectively contacted with the inner bottom wall of the piston 12 and the inner bottom wall of the outer pressure cylinder 1, hydraulic oil is filled in a gap between the outer pressure cylinder 1 and the inner cylinder 16, oil holes are formed in the side wall of the inner cylinder 16, so that the hydraulic oil can flow from the oil holes, the obliquely inserted buffering assembly 4 is further installed in the inner cavity of the inner cylinder 16, the obliquely inserted buffering assembly 4 is also suitable for buffering, the obliquely inserted buffering assembly 4 comprises an oblique block 41, an ejector block 42, a transverse spring 43, a clamping block 44, a limiting ring 45 and a support column 46, the limiting ring 45 fixes the bottom surface edge of the piston, the other end of the transverse spring 43 is connected with the inclined block 41, the top end of the inclined block 41 is fixed with the clamping block 44, the inclined block 41 and the clamping block 44 are both movably connected with the bottom surface of the piston 12, the bottom surface of the piston 12 is provided with a sliding groove 121 matched with the clamping block 44, therefore, the inclined block 41 can move left and right along the bottom surface of the piston 12, the inclined surface of the inclined block 41 is movably connected with the top block 42, and the bottom end of the top block 42 is connected with the bottom wall of the outer pressure cylinder 1 through the strut 46.

The hydraulic buffer comprises an outer pressure cylinder 1, a piston rod 2, an impact head 3 and an inclined insertion buffer component 4, wherein a silencing sleeve 31 is paved on the outer side of the impact head 3, the silencing sleeve 31 is used for buffering and reducing noise at the same time, the impact head 3 is installed at the top end of the piston rod 2, the piston rod 2 extends into the inner side of the outer pressure cylinder 1, the piston rod 2 in the outer pressure cylinder 1 penetrates through a stator 13, a check valve 14 is installed on the inner side of a piston 12, a return spring 11 and a pressure accumulation sponge 15 are also installed in an inner cavity of an inner cylinder 16, the return spring 11 and the pressure accumulation sponge 15 are both used for buffering, the pressure accumulation sponge 15 is installed above the piston 12, the inclined insertion buffer component 4 installed in the inner cavity of the inner cylinder 16 is also suitable for buffering, the inclined insertion buffer component 4 comprises an inclined block 41, a top block 42, a transverse spring 43, a clamping block 44, a limiting circular ring 45 and a supporting column 46, the limiting circular ring 45 limits the transverse spring 43, and, the sloping block 41 can move left and right along the bottom surface of the piston 12, when the hydraulic buffer works, the impact head 3 receives gravity impact, the impact head 3 drives the piston rod 2 to descend, the piston rod 2 drives the piston 12 to descend, the reset spring 11 and the pressure accumulation sponge 15 are used for buffering, the sloping block 41 on the bottom surface of the piston 12 is in contact with the ejector block 42, the sloping block 41 is forced to move towards two sides, the transverse spring 43 at one end of the sloping block 41 continues to provide buffering, the overall buffering effect is good, and meanwhile, the operation is stable.

In summary, the following steps: this oil buffer, amortization cover 31 is used for the buffering and can reduce the noise simultaneously, reset spring 11 and the pressure accumulation sponge 15 of installation all are used for the buffering in the inner chamber of inner cylinder 16, insert buffer component 4 to one side of piston 12 bottom surface installation and also be used for the buffering, insert spacing ring 45 in buffer component 4 to one side and give horizontal spring 43 spacingly, sloping block 41 and block 44 all with piston 12's bottom surface swing joint, sloping block 41 just can remove about along piston 12's bottom surface, when oil buffer during operation, the sloping block 41 and the kicking block 42 contact of piston 12 bottom surface when reset spring 11 and pressure accumulation sponge 15 cushion, sloping block 41 is compelled to remove to both sides, horizontal spring 43 of sloping block 41 one end continues to provide the buffering, whole buffering is effectual, the operation is stable simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides an oil buffer, includes outer pressure cylinder (1), piston rod (2), striking head (3) and inserts buffering subassembly (4) to one side, its characterized in that: the impact head (3) is arranged at the top end of the piston rod (2), the piston rod (2) extends into the inner side of the outer pressure cylinder (1), the inner side of the outer pressure cylinder (1) is provided with a return spring (11), a piston (12), a stator (13), a check valve (14), a pressure accumulation sponge (15) and an inner cylinder (16), the stator (13) is fixedly connected with the top end of the inner wall of the outer pressure cylinder (1), the center of the stator (13) is movably matched with the piston rod (2), the bottom end of the piston rod (2) is provided with the piston (12), the check valve (14) is arranged on the inner side of the piston (12), the piston (12) is movably connected with the inner wall of the inner cylinder (16), the stator (13) is welded and fixed at the top end of the inner cylinder (16), the bottom end of the inner cylinder (16) is fixed with the outer pressure cylinder (1), the return spring (11) and the pressure accumulation sponge (15), the upper end and the lower end of the reset spring (11) are respectively contacted with the inner bottom wall of the piston (12) and the outer pressure cylinder (1), hydraulic oil is filled in a gap between the outer pressure cylinder (1) and the inner cylinder (16), an inclined insertion buffer component (4) is further installed in an inner cavity of the inner cylinder (16), the inclined insertion buffer component (4) comprises an inclined block (41), a top block (42), a transverse spring (43), a clamping block (44), a limiting ring (45) and a support column (46), the limiting ring (45) fixes the bottom surface edge of the piston (12), the inner wall of the limiting ring (45) is connected with one end of the transverse spring (43), the other end of the transverse spring (43) is connected with the inclined block (41), the top end of the inclined block (41) is fixedly provided with the clamping block (44), the inclined block (41) and the clamping block (44) are both movably connected with the bottom surface of the piston (12), and the inclined surface of the inclined block (41) is movably connected with the, the bottom end of the top block (42) is connected with the bottom wall of the external pressure cylinder (1) through a strut (46).

2. A hydraulic shock absorber according to claim 1, wherein: a silencing sleeve (31) is paved on the outer side of the impact head (3).

3. A hydraulic shock absorber according to claim 1, wherein: and a dustproof sleeve is arranged at the joint of the piston rod (2) and the stator (13).

4. A hydraulic shock absorber according to claim 1, wherein: the side wall of the inner cylinder (16) is provided with an oil hole.

5. A hydraulic shock absorber according to claim 1, wherein: the bottom surface of the piston (12) is provided with a sliding groove (121) matched with the clamping block (44).