CN215479043U

CN215479043U - Elevator hydraulic buffer with sealing structure inside

Info

Publication number: CN215479043U
Application number: CN202121451068.3U
Authority: CN
Inventors: 王迪; 杨才俊
Original assignee: Weilong Yicheng Intelligent Technology Jiangsu Co ltd
Current assignee: Weilong Yicheng Intelligent Technology Jiangsu Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-11
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses an elevator hydraulic buffer with an internal sealing structure, and particularly relates to the field of hydraulic buffers, which comprises a buffer body, wherein the top end of the buffer body is provided with an axis, the top end of the axis is fixedly connected with a collided head, the bottom end of the axis is fixedly connected with two connecting bases, and a sealing gasket is movably sleeved between the two connecting bases; compared with the prior art, the buffer device has the advantages that the sealing gasket is movably sleeved between the two connecting bases, the protecting clamping sleeve at the bottom end is driven to move upwards through the rotation and rotation of the second screw rod, and then the group of protecting clamping sleeves at the top ends of the connecting bases are extruded through the hexagon nut, so that the two connecting bases can more stably extrude the sealing gasket at the inner sides of the two connecting bases to deform the sealing gasket, the two connecting bases are better movably sleeved with the inner wall of the buffer body, and the problem of poor sealing performance when the existing device is used is solved.

Description

Elevator hydraulic buffer with sealing structure inside

Technical Field

The utility model relates to the technical field of hydraulic buffers, in particular to an elevator hydraulic buffer with a sealing structure inside.

Background

The hydraulic buffer buffers and decelerates objects acting on the hydraulic buffer to stop by means of hydraulic damping, plays a certain protection role, is suitable for mechanical equipment such as hoisting transportation, elevators, metallurgy, harbor machinery, railway vehicles and the like, and is used as a safety buffer device for preventing a mechanism from being damaged due to hard collision in the working process.

However, in practical use, the hydraulic buffer of the elevator cannot well play a role in sealing due to a single structure, so that hydraulic oil overflows along the axis, and the buffering effect of the hydraulic buffer is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a hydraulic buffer for an elevator, in which a sealing structure is provided to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic buffer of an elevator with a sealing structure inside comprises a buffer body, wherein the top end of the buffer body is provided with an axis center, the top end of the axis center is fixedly connected with a collided head, the bottom end of the axis center is fixedly connected with two connecting bases, a sealing gasket is movably sleeved between the two connecting bases, four corners of the upper surface of each connecting base are respectively and movably connected with eight protective clamping sleeves, the eight protective clamping sleeves are divided into two groups by four, the other protective clamping sleeve is movably connected to the bottom end of the other connecting base, the top ends of the inner sides of the protective clamping sleeves are fixedly connected with connecting clamping sleeves, the bottom ends of the connecting clamping sleeves are fixedly connected with pressure springs, the bottom ends of the pressure springs are fixedly connected with fixed clamping sleeves, and the inner sides of the pressure springs are movably sleeved with first screw rods, the top fixedly connected with hexagon nut of first screw rod, hexagon nut has been cup jointed in the top outside activity of first screw rod, spacing cutting ferrule has been cup jointed in the inboard activity of fixed cutting ferrule, the activity of the inboard bottom of spacing cutting ferrule has cup jointed the second screw rod, and the upper surface inboard activity of head that is collided has cup jointed damping spring, damping spring's top fixedly connected with activity cutting ferrule.

Poor in order to solve axle center mobility stability when current device uses to and the fragile problem of spring, the bottom both sides fixedly connected with gag lever post respectively of head that hits, spacing sliding sleeve has been cup jointed in the bottom activity of gag lever post, the fixed cover of spacing sliding sleeve is cup jointed in the one end of buffer body inboard, fixed screw has been cup jointed to bottom one side screw thread of buffer body.

In order to avoid the separation and the sleeve joint of the limiting clamping sleeve and the fixing clamping sleeve, the inner side of the fixing clamping sleeve is fixedly sleeved with a limiting clamping block, the outer side of the limiting clamping sleeve is provided with a ring groove, and the limiting clamping block is movably sleeved on the inner side of the ring groove.

Can accomplish the transmission through spacing cutting ferrule in order to guarantee the rotation of first screw rod, spacing spout has been seted up to the inboard of spacing cutting ferrule, the one end outside that first screw rod and second screw rod are close to fixed cutting ferrule is fixedly connected with stopper respectively, two the equal activity of stopper cup joints in the inboard of spacing spout.

In order to ensure the rotational stability of the first screw rod, the upper surfaces of the protective clamping sleeve and the connecting clamping sleeve are provided with fixing holes, and the bottom end of the first screw rod penetrates through the fixing holes.

In order to increase the stressed area and the stressed area of the movable clamping sleeve after being stressed, the upper surface of the collided head is provided with a fixed clamping groove matched with the movable clamping sleeve, and the movable clamping sleeve is movably sleeved in the fixed clamping groove.

In order to ensure the connection firmness of the limiting rod and the collided head, the lower surface of the collided head is provided with a fixing groove, and the top end of the limiting rod is fixedly sleeved on the inner side of the fixing groove.

The utility model has the technical effects and advantages that:

1. compared with the prior art, cup joint the activity of sealed pad between two connection bases, then rotate through the second screw rod and rotate and drive bottom protection cutting ferrule rebound, then extrude a set of protection cutting ferrule on connection base top through hexagon nut for two connection bases can more stably extrude its inboard sealed pad and make its warp, thereby the inner wall activity of better and buffer body cup joints, the poor problem of leakproofness when having solved current device and using.

2. Compared with the prior art, through setting up the gag lever post, fixed screw and fixed slot, the device of being convenient for is in the use, fixes the gag lever post in the bottom both sides that receive the head that hits, then cup joints the bottom activity of gag lever post in spacing sliding sleeve inboard for receive the head that hits and turn to the restriction, avoid it to rotate and drive the inboard spring of buffer body and receive external force rotation and damage, it is poor to have solved the axle center mobility stability when current device uses, and the fragile problem of spring.

Drawings

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

Fig. 2 is a schematic view of a front cross-sectional structure of the connection base according to the present invention.

Fig. 3 is a schematic view of a front cross-sectional structure of the fixing ferrule of the present invention.

FIG. 4 is a schematic front sectional view of a bumper body according to the present invention.

FIG. 5 is a schematic view of the structure at A in FIG. 4 according to the present invention.

The reference signs are: 1. a bumper body; 2. an axis; 3. connecting a base; 4. a collided head; 5. a protective sleeve; 6. a first screw; 7. a movable ferrule; 8. a limiting rod; 9. connecting the clamping sleeve; 10. a hexagonal nut; 11. a hexagonal nut; 12. a pressure spring; 13. fixing the clamping sleeve; 14. a second screw; 15. a limiting clamping sleeve; 16. a limiting block; 17. a limiting chute; 18. a limiting clamping block; 19. an annular groove; 20. a limiting sliding sleeve; 21. fixing screws; 22. fixing grooves; 23. a damping spring; 24. and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in the attached figures 1-5, the hydraulic buffer of the elevator with the sealing structure inside comprises a buffer body 1, wherein the top end of the buffer body 1 is provided with an axle center 2, the top end of the axle center 2 is fixedly connected with a collided head 4, the bottom end of the axle center 2 is fixedly connected with two connecting bases 3, the number of the connecting bases 3 is two, a sealing gasket 24 is movably sleeved between the two connecting bases 3, four corners of the upper surface of the connecting base 3 are respectively and movably connected with protective cutting sleeves 5, the number of the protective cutting sleeves 5 is eight, the eight protective cutting sleeves 5 are divided into two groups by four, the other group of the protective cutting sleeves 5 is movably connected with the bottom end of the other connecting base 3, the top end of the inner side of each protective cutting sleeve 5 is fixedly connected with a connecting cutting sleeve 9, the bottom end of each connecting cutting sleeve 9 is fixedly connected with a pressure spring 12, and the bottom end of each pressure spring 12 is fixedly connected with a cutting sleeve 13, first screw rod 6 has been cup jointed in the inboard activity of pressure spring 12, and the top fixedly connected with hexagon nut 11 of first screw rod 6, hexagon nut 10 has been cup jointed in the top outside activity of first screw rod 6, and spacing cutting ferrule 15 has been cup jointed in the inboard activity of fixed cutting ferrule 13, and second screw rod 14 has been cup jointed in the inboard bottom activity of spacing cutting ferrule 15, and the activity has been cup jointed damping spring 23 in the upper surface of head 4 that is hit, and damping spring 23's top fixedly connected with activity cutting ferrule 7.

In a preferred embodiment, as shown in fig. 1, fig. 4 and fig. 5, two sides of the bottom end of the head 4 are respectively and fixedly connected with a limiting rod 8, a limiting sliding sleeve 20 is movably sleeved at the bottom end of the limiting rod 8, the limiting sliding sleeve 20 is fixedly sleeved at the inner side of one end of the buffer body 1, and a fixing screw 21 is screwed on one side of the bottom of the buffer body 1, so as to solve the problems that the movement stability of the shaft center 2 is poor and the spring is easily damaged when the existing device is used.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a limiting clamping block 18 is fixedly sleeved on the inner side of the fixing clamping sleeve 13, an annular groove 19 is formed in the outer side of the limiting clamping sleeve 15, and the limiting clamping block 18 is movably sleeved on the inner side of the annular groove 19, so that the limiting clamping sleeve 15 and the fixing clamping sleeve 13 are prevented from being separated from being sleeved.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a limiting sliding groove 17 is formed in the inner side of the limiting sleeve 15, the outer sides of the ends, close to the fixing sleeve 13, of the first screw 6 and the second screw 14 are respectively and fixedly connected with limiting blocks 16, and the two limiting blocks 16 are movably sleeved on the inner side of the limiting sliding groove 17, so that it is ensured that the rotation of the first screw 6 can be transmitted through the limiting sleeve 15.

In a preferred embodiment, as shown in fig. 1 and fig. 2, fixing holes are formed in the upper surfaces of the protective cutting sleeve 5 and the connecting cutting sleeve 9, and the bottom end of the first screw 6 penetrates through the fixing holes, so that the rotational stability of the first screw 6 is ensured.

In a preferred embodiment, as shown in fig. 1 and fig. 4, a fixed clamping groove matched with the movable clamping sleeve 7 is formed in the upper surface of the head 4, and the movable clamping sleeve 7 is movably sleeved in the fixed clamping groove, so that the movable clamping sleeve 7 is flush with the top end of the head 4 after being stressed, and the stressed area is increased.

In a preferred embodiment, as shown in fig. 1, 4 and 5, the lower surface of the head 4 is provided with a fixing groove 22, and the top end of the limiting rod 8 is fixedly sleeved inside the fixing groove 22, so as to ensure the connection firmness of the limiting rod 8 and the head 4.

The working principle of the utility model is as follows: firstly, the axle center 2 is fixedly connected with the connecting base 3, then the hexagon nut 11 is rotated to drive the first screw 6 to rotate, the first screw 6 drives the second screw 14 to rotate through the limiting cutting sleeve 15, the second screw 14 rotates to drive the bottom end protective cutting sleeve 5 to move upwards, so that the protective cutting sleeve 5 moves upwards to extrude the pressure spring 12 on the inner side of the protective cutting sleeve, then the hexagon nut 10 is rotated, the hexagon nut 10 extrudes one group of protective cutting sleeves 5 on the top end of the connecting base 3, so that the protective cutting sleeves 5 move downwards to extrude the pressure spring 12 on the inner side of the protective cutting sleeves 5, the elastic adjustment of the pressure springs 12 on the inner side of the two groups of protective cutting sleeves 5 is completed, so that the two connecting bases 3 can more stably extrude the sealing gasket 24 on the inner side of the connecting bases to deform, and are better movably sleeved with the inner wall of the buffer body 1, the problem of poor sealing performance when the existing device is solved, in addition, when an external force acts on the collided head 4, firstly, the buffer is buffered for one time through the movable clamping sleeve 7 and the damping spring 23, so that the problem of short service life of the existing device is solved; will be hit the bottom both sides of head 4 fixedly connected with gag lever post 8 respectively, then cup joint the bottom activity of gag lever post 8 in the inboard of spacing sliding sleeve 20, at last with spacing sliding sleeve 20 through the fixed one end inboard of cup jointing at buffer body 1 of fixed screw 21, make and hit head 4 and receive the restriction that turns to, it rotates and drives the spring of buffer body 1 inboard and receive external force and rotate and damage to avoid it, it is poor to have solved 2 mobility stability in axle center when current device uses, and the fragile problem of spring.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inside elevator hydraulic buffer who is equipped with seal structure, includes buffer body (1), the top of buffer body (1) is provided with axle center (2), the top fixedly connected with of axle center (2) is collided head (4), its characterized in that: the bottom end of the shaft center (2) is fixedly connected with a connecting base (3), the number of the connecting base (3) is two, a sealing gasket (24) is movably sleeved between the two connecting bases (3), four corners of the upper surface of the connecting base (3) are respectively and movably connected with a protective clamping sleeve (5), the number of the protective clamping sleeves (5) is eight, the eight protective clamping sleeves (5) are divided into two groups by four, the other group of protective clamping sleeves (5) is movably connected with the bottom end of the other connecting base (3), the top end of the inner side of each protective clamping sleeve (5) is fixedly connected with a connecting clamping sleeve (9), the bottom end of each connecting clamping sleeve (9) is fixedly connected with a pressure spring (12), the bottom end of each pressure spring (12) is fixedly connected with a fixed clamping sleeve (13), and the inner side of each pressure spring (12) is movably sleeved with a first screw (6), the top fixedly connected with hexagon nut (11) of first screw rod (6), hexagon nut (10) has been cup jointed in the top outside activity of first screw rod (6), spacing cutting ferrule (15) has been cup jointed in the inboard activity of fixed cutting ferrule (13), second screw rod (14) have been cup jointed in the inboard bottom activity of spacing cutting ferrule (15), and damping spring (23) have been cup jointed in the upper surface inboard activity of head (4) that is collided, damping spring's (23) top fixedly connected with activity cutting ferrule (7).

2. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 1, wherein: the buffer is characterized in that limiting rods (8) are fixedly connected to two sides of the bottom end of the collided head (4) respectively, limiting sliding sleeves (20) are movably sleeved at the bottom ends of the limiting rods (8), the limiting sliding sleeves (20) are fixedly sleeved on the inner side of one end of the buffer body (1), and fixing screws (21) are sleeved on one side of the bottom of the buffer body (1) in a threaded mode.

3. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 1, wherein: the inner side of the fixed clamping sleeve (13) is fixedly sleeved with a limiting clamping block (18), the outer side of the limiting clamping sleeve (15) is provided with an annular groove (19), and the limiting clamping block (18) is movably sleeved on the inner side of the annular groove (19).

4. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 1, wherein: spacing spout (17) have been seted up to the inboard of spacing cutting ferrule (15), first screw rod (6) and second screw rod (14) are close to the one end outside of fixed cutting ferrule (13) fixedly connected with stopper (16) respectively, two stopper (16) all activity cup joints in the inboard of spacing spout (17).

5. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 1, wherein: the upper surfaces of the protection clamping sleeve (5) and the connecting clamping sleeve (9) are provided with fixing holes, and the bottom end of the first screw rod (6) penetrates through the fixing holes.

6. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 1, wherein: the upper surface of the collided head (4) is provided with a fixed clamping groove matched with the movable clamping sleeve (7), and the movable clamping sleeve (7) is movably sleeved in the fixed clamping groove.

7. The hydraulic buffer for an elevator having a sealing structure provided therein according to claim 2, wherein: the lower surface of the collided head (4) is provided with a fixing groove (22), and the top end of the limiting rod (8) is fixedly sleeved on the inner side of the fixing groove (22).