CN216895523U - Shock pad and damper - Google Patents
Shock pad and damper Download PDFInfo
- Publication number
- CN216895523U CN216895523U CN202220234677.1U CN202220234677U CN216895523U CN 216895523 U CN216895523 U CN 216895523U CN 202220234677 U CN202220234677 U CN 202220234677U CN 216895523 U CN216895523 U CN 216895523U
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- mounting hole
- shock pad
- shock
- convex ring
- notches
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Abstract
The utility model provides a shock pad and a shock absorption mechanism, and relates to the technical field of BDU installation. The damper includes: the device comprises a connecting piece, a box frame, a bearing piece and a shock pad; the shock pad is inserted and is located the slotted hole of tank tower, and the connecting piece passes the mounting hole, and the connecting piece is connected with bearing the piece. According to the shock pad and the shock absorption mechanism provided by the utility model, the extrusion size of the shock pad is absorbed by the plurality of notch absorption sleeves which are inserted into the mounting holes in an interference manner, so that the shock pad is prevented from being excessively extruded by radial force. And, be convenient for to the interference of mounting hole inserts establishes the part, reduce the damage that the dismouting caused to the shock pad repeatedly, prolong the life of shock pad.
Description
Technical Field
The utility model relates to the technical field of BDU installation, in particular to a shock pad and a shock absorption mechanism.
Background
A Battery pack disconnection Unit (Battery disconnection Unit) is abbreviated as a BDU Unit, and since the BDU includes electrical and electronic components, the performance stability of the electrical components is adversely affected by vibration and impact generated when the entire vehicle runs, and therefore, the vibration reduction performance generally needs to be considered when the BDU is installed. The rubber gasket is used as a shock absorption device, a steel sleeve or a fastener is inserted into an inner hole of the gasket in an interference mode, and the radial compression and rebound of the gasket can be used for absorbing shock in the radial direction of the gasket. However, if the inner hole of the washer is excessively enlarged or the washer is excessively deformed, the BDU may be misaligned or may be loosened due to the deformation of the washer, thereby deteriorating the shock absorbing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shock pad and a shock absorption mechanism, which are used for relieving the technical problem that the shock pad is excessively compressed in the radial direction to cause damage.
In a first aspect, the shock pad provided by the utility model is provided with a mounting hole and a plurality of notches, the notches are arranged at intervals along the circumferential direction of the mounting hole, and the notches are respectively communicated with the mounting hole.
With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the shock pad is coaxial with the mounting hole, and the plurality of notches are respectively recessed from an inner side wall of the mounting hole in a direction away from an axis of the mounting hole;
and a radial support part is formed between any two adjacent notches.
With reference to the first aspect, the present disclosure provides a second possible implementation manner of the first aspect, wherein one axial end of the shock pad is provided with a plurality of first protruding portions, and the other axial end of the shock pad is provided with a plurality of second protruding portions;
the plurality of first protruding portions and the plurality of second protruding portions are arranged at intervals along the circumferential direction of the mounting hole.
With reference to the first aspect, the present disclosure provides a third possible implementation manner of the first aspect, wherein the shock pad includes: the shaft part is connected between the first convex ring part and the second convex ring part;
an annular groove is formed between the first convex ring part and the second convex ring part, and the shaft part is surrounded by the annular groove;
the mounting hole penetrates through the first convex ring part, the shaft part and the second convex ring part in sequence.
In a second aspect, the present invention provides a damper mechanism, comprising: the connecting piece, the box frame, the bearing piece and the shock pad provided by the first aspect;
the shock pad is inserted in the slot hole of the box frame, the connecting piece penetrates through the mounting hole, and the connecting piece is connected with the bearing piece.
In combination with the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein the box frame is provided with a notch extending along a radial direction of the slot hole.
In combination with the second aspect, the present invention provides a second possible implementation manner of the second aspect, wherein the bottom surface of the box frame is provided with a countersunk groove, and the countersunk groove is communicated with the slotted hole.
In combination with the second aspect, the present invention provides a third possible implementation manner of the second aspect, wherein the connecting member includes: a sleeve and a fastener;
the sleeve is inserted into the mounting hole, the fastening piece penetrates through the sleeve, and the fastening piece is connected with the bearing piece.
In combination with the third possible embodiment of the second aspect, the present invention provides a fourth possible embodiment of the second aspect, wherein the sleeve includes: the pipe part and a limit end connected to one end of the pipe part;
the pipe part is inserted in the mounting hole, and the shock pad is clamped between the limiting end head and the bearing piece.
In combination with the fourth possible embodiment of the second aspect, the present invention provides a fifth possible embodiment of the second aspect, wherein the tube portion is shorter than the axial dimension of the cushion by 0.1mm to 1 mm.
The embodiment of the utility model has the following beneficial effects: adopt the shock pad to be equipped with mounting hole and a plurality of notch, a plurality of notches set up along the circumference interval of mounting hole, and a plurality of notches communicate with the mounting hole respectively, when the mounting hole is inside to receive radial force and extrude, the shock pad of extrusion deformation can make a plurality of notches shrink, and then absorbs the interference size through a plurality of notches, avoids the shock pad to be excessively extruded by radial force. In addition, through setting up a plurality of notches, be convenient for insert the part to the interference in the mounting hole, reduce the damage that the dismouting caused repeatedly to the shock pad, prolong the life of shock pad.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a top view of a cushion according to an embodiment of the present invention;
FIG. 2 is a schematic view of a cushion according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of a damping mechanism provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a box frame of a damping mechanism according to an embodiment of the present invention.
Icon: 100-a shock pad; 101-mounting holes; 102-notches; 103-a radial support; 104-a first boss; 105-a second boss; 106-a ring groove; 110-a first collar portion; 120-shaft part; 130-a second collar portion; 200-a connector; 210-a sleeve; 211-a tube portion; 212-a limit tip; 220-a fastener; 300-a box frame; 301-slot; 302-a gap; 303-countersunk groove; 400-a carrier.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, a shock absorbing pad 100 provided by an embodiment of the present invention is provided with a mounting hole 101 and a plurality of notches 102, the plurality of notches 102 are arranged at intervals along a circumferential direction of the mounting hole 101, and the plurality of notches 102 are respectively communicated with the mounting hole 101.
Specifically, a plurality of notches 102 are arranged at intervals around the axis of the mounting hole 101, so that a spline groove structure is formed, when the shock pad 100 is slightly deformed due to radial compression, the cross-sectional shape of the mounting hole 101 is approximately kept unchanged, and then a device installed in the mounting hole 101 can be accurately centered, so that installation deviation is prevented from being generated when the deformation is large. In addition, the device installed inside mounting hole 101 and shock pad 100 interference fit, a plurality of notches 102 that set up along circumference interval can absorb the interference size, avoid the shock pad to be excessively extruded by radial force. In addition, when the part is repeatedly dismounted in the mounting hole 101, the radial dimension of the mounting hole 101 is convenient to shrink through the plurality of notches 102, damage to the shock pad 100 caused by the part is reduced, and the service life of the shock pad 100 is prolonged.
In the embodiment of the utility model, the shock pad 100 is coaxial with the mounting hole 101, and the plurality of notches 102 are respectively recessed from the inner side wall of the mounting hole 101 to the direction departing from the axis of the mounting hole 101; a radial support 103 is formed between any adjacent two notches 102.
Specifically, the notch 102 is recessed from the inner sidewall of the mounting hole 101 in a direction away from the axis of the mounting hole 101 to form a semicircular cross section. The radial support portions 103 are formed in arc surfaces in the direction toward the axis of the mounting hole 101, and the arc surfaces of the plurality of radial support portions 103 are all coaxial with the mounting hole 101.
As shown in fig. 1 and 2, one axial end of the shock absorbing pad 100 is provided with a plurality of first protrusions 104, and the other axial end of the shock absorbing pad 100 is provided with a plurality of second protrusions 105; the plurality of first bosses 104 and the plurality of second bosses 105 are respectively provided at intervals in the circumferential direction of the mounting hole 101.
Specifically, the first protruding portion 104 and the second protruding portion 105 are both cylindrical protrusions, and when the shock pad 100 is axially pressed, two ends of the shock pad 100 are respectively abutted to other parts through the first protruding portions 104 and the second protruding portions 105, so that the parts contacting the shock pad 100 can be prevented from rotating.
As shown in fig. 1, 2 and 3, the cushion 100 includes: a first convex ring part 110, a shaft part 120 and a second convex ring part 130, the shaft part 120 being connected between the first convex ring part 110 and the second convex ring part 130; an annular groove 106 is formed between the first convex ring part 110 and the second convex ring part 130, and the shaft part 120 is surrounded by the annular groove 106; the mounting hole 101 penetrates the first collar portion 110, the shaft portion 120, and the second collar portion 130 in this order.
The cage 300 of the BDU device is retained within the annular groove 106 when the shock absorbing pad 100 is used to absorb shock to the BDU device. The shaft portion 120 radially absorbs the vibration of the box frame 300, and the first and second protruding ring portions 110 and 130 limit the box frame 300 to move in the axial direction of the damping pad 100, so as to axially absorb the vibration of the box frame 300.
Example two
As shown in fig. 1, 2, 3, and 4, a damper mechanism according to an embodiment of the present invention includes: the connecting piece 200, the box frame 300, the bearing piece 400 and the shock-absorbing pad provided by the first embodiment; the shock absorbing pad 100 is inserted into the slot 301 of the box frame 300, the connecting member 200 passes through the mounting hole 101, and the connecting member 200 is connected with the carrier 400.
When the shock-absorbing pad 100 is mounted in the slot 301, the shaft 120 passes through the slot 301, and the box frame 300 is limited between the first convex ring part 110 and the second convex ring part 130. Subsequently, the connecting member 200 is inserted into the mounting hole 101, and the connecting member 200 is connected to the carrier 400, the first protrusions 104 abut against the connecting member 200, and the second protrusions 105 abut against the carrier 400.
In the embodiment of the present invention, the box holder 300 is provided with a slit 302 extending in the radial direction of the slot 301.
Specifically, the width of the gap 302 is smaller than the diameter of the slot 301, and the shock absorbing pad 100 can be inserted into the slot 301 through the gap 302. During installation, only the shaft portion 120 is radially compressed, and the shaft portion 120 slides into the slot 301 from the notch 302, so that the shock pad 100 can be conveniently assembled and disassembled without over-compressing the shock pad 100.
Further, a countersunk groove 303 is formed in the bottom surface of the box holder 300, and the countersunk groove 303 is communicated with the groove hole 301.
Specifically, the countersunk groove 303 can accommodate the second protruding ring portion 130, the plurality of second protruding portions 105 abut against the bearing 400, and then the second protruding ring portion 130 and the plurality of second protruding portions 105 are compressed along the axial direction.
Further, the connector 200 includes: a sleeve 210 and a fastener 220; the sleeve 210 is inserted into the mounting hole 101, the fastener 220 passes through the sleeve 210, and the fastener 220 is connected with the carrier 400.
Specifically, the outer diameter of the sleeve 210 is slightly larger than the diameter of the mounting hole 101 between the plurality of radial support portions 103, and the sleeve 210 inserted inside the mounting hole 101 is in interference fit with the mounting hole 101. Using a bolt as the fastener 220, during fastening by screwing the fastener 220, the fastener 220 has a friction effect on the sleeve 210, but the sleeve 210 abuts against the plurality of first protrusions 104, so that the sleeve 210 and the cushion 100 can be prevented from rotating with the fastener 220.
Further, the sleeve 210 includes: a tube part 211 and a limit end 212 connected to one end of the tube part 211; the tube portion 211 is inserted into the mounting hole 101, and the cushion 100 is clamped between the limit head 212 and the carrier 400.
Specifically, the diameter of the limiting end 212 is larger than that of the mounting hole 101, and the diameter of the limiting end 212 is smaller than that of the first protruding ring portion 110 by 1mm, so that when the fastening member 220 is tightened, the shock absorbing pad 100 is clamped between the limiting end 212 and the bearing 400, and the shock absorbing pad 100 is compressed in the axial direction and has a pre-tightening force.
Further, the tube portion 211 is shorter than the axial dimension of the cushion 100 by 0.1mm to 1mm, and the tube portion 211 is shorter than the cushion 100, so that the cushion 100 can be compressed when the fastening member 220 is tightened, thereby obtaining the axial damping capacity by compressing the cushion 100.
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 the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The shock pad is characterized in that the shock pad (100) is provided with a mounting hole (101) and a plurality of notches (102), the notches (102) are arranged along the circumferential direction of the mounting hole (101) at intervals, and the notches (102) are communicated with the mounting hole (101) respectively.
2. The cushion according to claim 1, wherein the cushion (100) is coaxial with the mounting hole (101), and the plurality of notches (102) are recessed from an inner side wall of the mounting hole (101) in a direction away from an axis of the mounting hole (101);
a radial support part (103) is formed between any two adjacent notches (102).
3. The cushion according to claim 1, wherein the cushion (100) is provided with a plurality of first bosses (104) at one axial end and a plurality of second bosses (105) at the other axial end;
the first protruding portions (104) and the second protruding portions (105) are arranged at intervals in the circumferential direction of the mounting hole (101).
4. A cushion according to any one of claims 1 to 3, wherein the cushion (100) comprises: a first convex ring portion (110), a shaft portion (120), and a second convex ring portion (130), the shaft portion (120) being connected between the first convex ring portion (110) and the second convex ring portion (130);
an annular groove (106) is formed between the first convex ring part (110) and the second convex ring part (130), and the shaft part (120) is surrounded by the annular groove (106);
the mounting hole (101) penetrates through the first convex ring part (110), the shaft part (120) and the second convex ring part (130) in sequence.
5. A shock absorbing mechanism, comprising: -a connector (200), a box holder (300), a carrier (400) and a shock pad according to any of claims 1-4;
the shock absorption pad (100) is inserted into the slotted hole (301) of the box frame (300), the connecting piece (200) penetrates through the mounting hole (101), and the connecting piece (200) is connected with the bearing piece (400).
6. The shock absorbing mechanism according to claim 5, wherein the box frame (300) is provided with a slit (302) extending in a radial direction of the slot hole (301).
7. The damping mechanism according to claim 5, characterized in that the bottom surface of the box frame (300) is provided with a countersunk groove (303), the countersunk groove (303) communicating with the slotted hole (301).
8. The damping mechanism according to claim 5, characterized in that said connection (200) comprises: a sleeve (210) and a fastener (220);
the sleeve (210) is inserted into the mounting hole (101), the fastening piece (220) penetrates through the sleeve (210), and the fastening piece (220) is connected with the bearing piece (400).
9. The damping mechanism according to claim 8, characterized in that said sleeve (210) comprises: the pipe comprises a pipe part (211) and a limiting end head (212) connected to one end of the pipe part (211);
the pipe part (211) is inserted into the mounting hole (101), and the shock pad (100) is clamped between the limiting end head (212) and the bearing part (400).
10. The damper mechanism according to claim 9, wherein the tube portion (211) is shorter than an axial dimension of the damper pad (100) by 0.1mm to 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234677.1U CN216895523U (en) | 2022-01-27 | 2022-01-27 | Shock pad and damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234677.1U CN216895523U (en) | 2022-01-27 | 2022-01-27 | Shock pad and damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895523U true CN216895523U (en) | 2022-07-05 |
Family
ID=82183862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220234677.1U Active CN216895523U (en) | 2022-01-27 | 2022-01-27 | Shock pad and damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216895523U (en) |
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2022
- 2022-01-27 CN CN202220234677.1U patent/CN216895523U/en active Active
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