CN220185678U

CN220185678U - Multistage buffer

Info

Publication number: CN220185678U
Application number: CN202223420610.6U
Authority: CN
Inventors: 马洪艳; 张颖浩
Original assignee: Heilongjiang Safety Production Technology Center
Current assignee: Heilongjiang Safety Production Technology Center
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-12-15
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of buffers, in particular to a multistage buffer, aiming at solving the problem that the prior buffer does not have a multistage buffering function in the prior art, the utility model provides the scheme which comprises a buffer body, wherein a first spring is fixed at the bottom end of the inside of the buffer body, a second-stage buffer assembly is connected to the top end of the first spring, a buffer table is fixed at the top end of the second-stage buffer assembly in a penetrating way through the buffer body, and sliding ports are formed in the outer walls of four sides of the buffer body. According to the utility model, the first spring performs primary buffering, the second spring can perform secondary buffering, the plurality of tertiary buffering assemblies can descend along with the secondary buffering assemblies, then the second adjusting rod enters the first built-in groove of the first adjusting rod, and the fixing rod enters the second built-in groove of the second adjusting rod, so that the two cushion rings and the cushion pad perform tertiary buffering, impact force is effectively buffered in a grading manner, and the buffering requirement is met.

Description

Multistage buffer

Technical Field

The utility model relates to the technical field of buffers, in particular to a multistage buffer.

Background

The prior buffer has the following problems in the use process:

the existing buffer does not have a multi-stage buffering function, so that rebound is easy to occur, and some buffering requirements are not met.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model improves the multistage buffer, and the problems that the prior buffer does not have a multistage buffering function are effectively solved by the cooperation of the first spring, the second-stage buffering component and the three-stage buffering components.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multistage buffer, includes the buffer body, the inside bottom mounting of buffer body has first spring, and the top of first spring is connected with second grade buffer unit, the top of second grade buffer unit runs through the buffer body and is fixed with the buffer platform, and the four sides outer wall of buffer body has all seted up the smooth mouth, four the inside of smooth mouth is all sliding connection has the slide, and the one end of four slides all with second grade buffer unit fixed connection, the outer wall bottom of buffer body has cup jointed the bottom plate, and the top outer wall of bottom plate is fixed with four tertiary buffer units that are annular distribution, tertiary buffer unit's top and slide fixed connection.

Through the scheme, the buffer table can be connected with the setting that needs to be buffered, when encountering impact force, the second grade buffer assembly atress descends, thereby first spring atress carries out first grade buffering, then second spring atress can carry out second grade buffering, because of a plurality of slide are along with the second grade buffer assembly descends, so a plurality of tertiary buffer assembly atress is along with second grade buffer assembly descends, then the second adjusts the first built-in inslot of pole entering first regulation pole, the dead lever enters into the second built-in inslot of second regulation pole, thereby two blotter rings and blotter carry out tertiary buffering, effectively carry out hierarchical buffering to impact force, the buffering demand has been satisfied.

Preferably, the second-level buffer assembly comprises a fixed box, a positioning column is fixed at the bottom end of the inside of the fixed box, a second spring is sleeved on the outer wall of the positioning column, a T-shaped column is connected to the inside of the fixed box in a sliding manner, a positioning groove is formed in the outer wall of the bottom of the T-shaped column, the positioning column and the positioning groove form sliding fit, the fixed box and the inside of the buffer body form sliding fit, and the top end of the T-shaped column penetrates through the fixed box and the buffer body to be fixedly connected with the buffer table.

Through the scheme, the second spring can perform a secondary buffering effect.

Preferably, the tertiary buffer unit includes column pipe and first regulation pole, and first regulation pole and slide fixed welding, column pipe and bottom plate fixed connection, and the inside of first regulation pole is equipped with first built-in groove, the inside sliding connection of first built-in groove has first connecting block, and the inside bottom of first built-in groove has seted up first connecting port, the inside sliding connection of first connecting port has the second to adjust the pole, and the inside of second regulation pole is equipped with the built-in groove of second, the inside sliding connection of second built-in groove has the second connecting block, and the second connector has been seted up to the inside bottom of second regulation pole, the inside sliding connection of second connector has the dead lever.

Through above-mentioned scheme, four tertiary buffer units can effectively improve overall stability.

Preferably, the outer wall top of the second adjusting rod and the outer wall top of the fixing rod are sleeved with buffer washers, and the bottom end of the fixing rod is fixed with a buffer pad.

Through the scheme, the top buffer gasket is contacted with the bottom buffer gasket for primary buffer, and the bottom buffer gasket is contacted with the buffer cushion for secondary buffer.

Preferably, the buffer gasket is in sliding fit with the inner part of the columnar tube, the sliding plate is fixedly connected with the fixed box,

through the scheme, the buffer work of the second adjusting rod and the first adjusting rod is facilitated.

Preferably, the bottom plate is disc-shaped, and a shock pad is fixed on the outer wall of the bottom plate.

Through above-mentioned scheme, the setting of bottom plate has increased with ground area of contact, improves overall stability.

The beneficial effects of the utility model are as follows:

1. according to the multistage buffer, the first spring performs primary buffering, the second spring can perform secondary buffering, the plurality of tertiary buffering components can descend along with the secondary buffering components, then the second adjusting rod enters the first built-in groove of the first adjusting rod, and the fixing rod enters the second built-in groove of the second adjusting rod, so that the two buffer rings and the buffer pad perform tertiary buffering, impact force is effectively buffered in a grading manner, and buffering requirements are met;

2. this multistage buffer, whole structure setting is simpler, and the cost is lower, and the setting of bottom plate has increased with ground area of contact, improves overall stability, and the shock pad on the bottom plate also can further cushion the effect.

Drawings

FIG. 1 is a schematic diagram of a vertical cross-sectional structure of a multi-stage buffer according to the present utility model;

FIG. 2 is a schematic diagram of a front view of a multi-stage buffer according to the present utility model;

fig. 3 is a schematic top cross-sectional structure of a multi-stage buffer according to the present utility model.

In the figure: the buffer comprises a buffer body 1, a first spring 2, a fixed box 3, a positioning column 4, a second spring 5, a T-shaped column 6, a positioning groove 7, a buffer table 8, a sliding plate 9, a bottom plate 10, a column-shaped pipe 11, a first adjusting rod 12, a first built-in groove 13, a first connecting block 14, a second adjusting rod 15, a second built-in groove 16, a second connecting block 17, a fixed rod 18, a buffer gasket 19 and a buffer cushion 20.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

1, referring to fig. 1-3, a multi-stage buffer comprises a buffer body 1, wherein a first spring 2 is fixed at the bottom end of the inside of the buffer body 1, the top end of the first spring 2 is connected with a second-stage buffer assembly, the top end of the second-stage buffer assembly penetrates through the buffer body 1 to be fixed with a buffer table 8, sliding ports are formed in the outer walls of four sides of the buffer body 1, sliding plates 9 are slidably connected in the four sliding ports, one ends of the four sliding plates 9 are fixedly connected with the second-stage buffer assembly, a bottom plate 10 is sleeved at the bottom layer of the outer wall of the buffer body 1, four annularly distributed third-stage buffer assemblies are fixed at the outer wall of the top of the bottom plate 10, and the top ends of the third-stage buffer assemblies are fixedly connected with the sliding plates 9;

the first spring 2 performs primary buffering, the second spring 5 can perform secondary buffering, the plurality of tertiary buffering components can descend along with the secondary buffering components, then the second adjusting rod 15 enters the first built-in groove 13 of the first adjusting rod 12, the fixing rod 18 enters the second built-in groove 16 of the second adjusting rod 15, and therefore the two buffering gaskets 19 and the buffering cushion 20 perform tertiary buffering, impact force is effectively buffered in a grading mode, and buffering requirements are met;

the whole structure is simple in arrangement and low in cost, the contact area between the base plate 10 and the ground is increased, the overall stability is improved, and the shock pad on the base plate 10 can further buffer the effect.

The embodiment 2, optimize on the basis of embodiment 1, the second-stage buffer assembly includes the fixed box 3, and the inside bottom of fixed box 3 is fixed with the reference column 4, the outer wall cover of reference column 4 has the second spring 5, and the inside sliding connection of fixed box 3 has T shape post 6, the bottom outer wall of T shape post 6 has offered the constant head tank 7, and reference column 4 forms sliding fit with constant head tank 7, fixed box 3 forms sliding fit with the inside of the buffer body 1, and the top of T shape post 6 runs through fixed box 3 and buffer body 1 and buffer table 8 fixed connection, the second spring 5 can carry out the second-stage buffering effect;

the three-stage buffering component comprises a columnar pipe 11 and a first adjusting rod 12, the first adjusting rod 12 is fixedly welded with the sliding plate 9, the columnar pipe 11 is fixedly connected with the bottom plate 10, a first built-in groove 13 is formed in the first adjusting rod 12, a first connecting block 14 is slidably connected in the first built-in groove 13, a first connecting port is formed in the bottom layer in the first built-in groove 13, a second adjusting rod 15 is slidably connected in the first connecting port, a second built-in groove 16 is formed in the second adjusting rod 15, a second connecting block 17 is slidably connected in the second built-in groove 16, a second connecting port is formed in the bottom layer in the second adjusting rod 15, a fixing rod 18 is slidably connected in the second connecting port, and the overall stability of the four three-stage buffering components can be effectively improved;

the top of the outer wall of the second adjusting rod 15 and the top of the outer wall of the fixed rod 18 are sleeved with buffer washers 19, a buffer cushion 20 is fixed at the bottom end of the fixed rod 18, the buffer washer 19 at the top is contacted with the buffer washer 19 at the bottom to perform primary buffer, and the buffer washer 19 at the bottom is contacted with the buffer cushion 20 to perform secondary buffer;

the buffer washer 19 is in sliding fit with the inside of the columnar tube 11, and the sliding plate 9 is fixedly connected with the fixed box 3, so that the buffer work of the second adjusting rod 15 and the first adjusting rod 12 is facilitated;

the bottom plate 10 is discoid, and the bottom outer wall of bottom plate 10 is fixed with the shock pad, and the setting of bottom plate 10 has increased with ground area of contact, improves overall stability.

Working principle:

the buffer table 8 can be connected with the setting that needs buffering, when encountering the impact force, the secondary buffer assembly atress descends to first spring 2 atress carries out the primary buffer, then second spring 5 atress can carry out the secondary buffer, because a plurality of slide 9 descend along with the secondary buffer assembly, so a plurality of tertiary buffer assembly atress along with the secondary buffer assembly descends, then the second adjusts pole 15 and gets into the first built-in inslot 13 of first regulation pole 12, the dead lever 18 enters into the second built-in inslot 16 of second regulation pole 15, thereby two cushion rings 19 and cushion 20 carry out tertiary buffering, effectively carry out hierarchical buffering to the impact force, the buffering demand has been satisfied.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a multistage buffer, includes the buffer body (1), its characterized in that, the inside bottom mounting of buffer body (1) has first spring (2), and the top of first spring (2) is connected with second grade buffer module, the top of second grade buffer module runs through buffer body (1) and is fixed with buffer table (8), and the four sides outer wall of buffer body (1) has all offered the smooth mouth, four the inside of smooth mouth is all sliding connection has slide (9), and the one end of four slide (9) all with second grade buffer module fixed connection, bottom plate (10) have been cup jointed to the outer wall bottom of buffer body (1), and the top outer wall of bottom plate (10) is fixed with four tertiary buffer modules that are annular distribution, the top and slide (9) fixed connection of tertiary buffer module.

2. The multistage buffer according to claim 1, wherein the secondary buffer assembly comprises a fixed box (3), a positioning column (4) is fixed at the bottom end of the inside of the fixed box (3), a second spring (5) is sleeved on the outer wall of the positioning column (4), a T-shaped column (6) is slidably connected to the inside of the fixed box (3), a positioning groove (7) is formed in the outer wall of the bottom of the T-shaped column (6), the positioning column (4) and the positioning groove (7) form a sliding fit, the fixed box (3) and the inside of the buffer body (1) form a sliding fit, and the top end of the T-shaped column (6) penetrates through the fixed box (3) and the buffer body (1) to be fixedly connected with the buffer table (8).

3. The multistage buffer according to claim 1, wherein the three-stage buffer assembly comprises a columnar tube (11) and a first adjusting rod (12), the first adjusting rod (12) is fixedly welded with the sliding plate (9), the columnar tube (11) is fixedly connected with the bottom plate (10), a first built-in groove (13) is formed in the first adjusting rod (12), a first connecting block (14) is slidably connected to the first built-in groove (13), a first connecting port is formed in the bottom layer of the first built-in groove (13), a second adjusting rod (15) is slidably connected to the first connecting port, a second built-in groove (16) is formed in the second adjusting rod (15), a second connecting block (17) is slidably connected to the second built-in groove (16), a second connecting port is formed in the bottom layer of the second adjusting rod (15), and a fixing rod (18) is slidably connected to the second connecting port.

4. A multistage buffer according to claim 3, wherein the top of the outer wall of the second adjusting rod (15) and the top of the outer wall of the fixing rod (18) are both sleeved with a buffer gasket (19), and the bottom end of the fixing rod (18) is fixed with a buffer pad (20).

5. A multistage buffer according to claim 4, characterized in that the buffer gasket (19) forms a sliding fit with the inside of the cylindrical tube (11) and the slide plate (9) is fixedly connected with the fixed box (3).

6. A multistage buffer according to claim 2, characterized in that the bottom plate (10) has a disc shape, and the bottom outer wall of the bottom plate (10) is fixed with a shock pad.