Damping connecting assembly between car body and refrigerator
By designing shock-absorbing ball caps and movable connectors, the problem of vibration transmission when the refrigerator is installed on the vehicle body is solved, achieving effective shock absorption and noise reduction, and avoiding bolt damage and maintenance costs.
Patent Information
- Application Number
- CN202423149257.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, when a refrigerator is installed on a vehicle body, the assembly gap causes the vehicle's vibrations to be transmitted to the refrigerator, generating noise and potentially damaging the bolts. Furthermore, regular maintenance is required, resulting in high costs.
It employs a shock-absorbing ball cap and movable connectors, including a shock-absorbing ball cap and a plastic ball head. Utilizing elastic materials and an adaptive structure, it reduces vibration transmission in the Z direction. Vibration is attenuated through the adaptive adjustment and forced-out design of the plastic ball head.
It effectively reduces the impact of vehicle body vibration on the refrigerator, reduces noise, avoids bolt damage, and reduces maintenance frequency and costs.
Smart Images

Figure CN223469647U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of damping assembly, especially to the field of damping technology between car body and refrigerator, specifically to a damping connecting assembly between car body and refrigerator. BACKGROUND
[0002] When the existing refrigerator is installed on the car body, because of the assembly gap between the refrigerator and the car body, the car body vibrates when the car runs, and the friction between the refrigerator and the car body produces noise. If the bracket between the refrigerator and the car body is fixed by bolts, the bolts that play a fixing role will transmit the Z-direction vibration to the refrigerator when the car body vibrates during running, and long-term use will cause the bolts to damage the refrigerator connection side or the bolts to break, resulting in bolt failure
[0003] The prior art discloses a compressor damping installation structure and air conditioning equipment thereof, patent number CN211315528U, discloses a compressor damping installation structure applied to a compressor; comprising a chassis and a compressor foot, further comprising: an elastic foot pad assembly located on the chassis, the upper end of the elastic foot pad assembly is connected with the compressor foot; the upper part of the elastic foot pad assembly has a second through hole; the lower part of the elastic foot pad assembly has a first through hole in communication with the second through hole; the hole diameter of the second through hole is greater than the hole diameter of the first through hole; the lower end of the fastener is connected with the chassis and matched with the first through hole; the fastener passes through the first through hole and the second through hole; the fixed part is connected with the fastener to lock the elastic foot pad assembly on the chassis. The structure uses the elastic foot pad assembly to cooperate with the elastic member to make the connection structure can attenuate the maximum degree of compressor vibration energy in the up-down direction and the torsional tangential direction, realize damping effect, but the elastic foot pad assembly and the elastic member will appear elastic fatigue after a certain period of time, at this time the damping effect of the installation structure will be lost, and the installation structure used between the refrigerator and the car body needs to be regularly disassembled and maintained. The installation structure of the refrigerator, which has high cost. SUMMARY
[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a damping connecting assembly between car body and refrigerator, which solves the difficulties of the prior art.
[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a damping connecting assembly between car body and refrigerator, which comprises:
[0006] The damping ball cap 1 is composed of a movable cavity 11 with an open bottom and communicated with the outside by a peripheral side wall;
[0007] The movable connecting piece 2 comprises a plastic ball head 21 and a metal screw 22, the plastic ball head 21 is arranged on the top of the movable cavity 11, and the bottom of the metal screw 22 is arranged on the bottom of the plastic ball head 21.
[0008] According to the preferred scheme, the outer contour of the shock-absorbing ball cap 1 is sequentially arranged from bottom to top as a cylindrical flange 12, a tapered embedding body 13, a cylindrical transition embedding body 14 and a spherical embedding body 15.
[0009] According to the preferred scheme, the shock-absorbing ball cap 1 needs to use an elastic material such as TPV or rubber.
[0010] Further, the outer diameters of the cylindrical flange 12, the tapered embedding body 13, the cylindrical transition embedding body 14 and the spherical embedding body 15 gradually decrease.
[0011] In the technical scheme, the top end of the cylindrical flange 12 in the shock-absorbing ball cap 1 is in contact with the bottom end of the refrigerator, thereby playing a supporting role for the refrigerator.
[0012] The bottom end of the cylindrical flange 12 is in contact with the top plane of the vehicle body during installation, thereby playing a positioning role.
[0013] The tapered embedding body 13, the cylindrical transition embedding body 14 and the spherical embedding body 15 are all embedding ends, which need to be embedded into the mounting groove of the vehicle body.
[0014] The shock-absorbing ball cap 1 is installed between the vehicle body and the refrigerator, is limited by the vehicle body and is pressed tightly by the refrigerator to form a supporting and shock-absorbing effect, thereby eliminating the vibration transmitted by the vehicle body in the Z direction.
[0015] According to the preferred scheme, the movable cavity 11 is partially spherical in the direction close to the spherical embedding body 15.
[0016] According to the preferred scheme, the inner diameter of the spherical side of the movable cavity 11 is smaller than the inner diameter of the other side.
[0017] Further, the spherical part at the bottom of the movable cavity 11 is used for matching and clamping the spherical part at the bottom of the plastic ball head 21, and the specific shape of the top of the movable cavity 11 is designed according to the structure of the side of the plastic ball head 21 away from the spherical part.
[0018] According to the preferred scheme, the spherical side of the plastic ball head 21 is clamped in the spherical side of the movable cavity 11, and there is a gap between the outer side wall of the top of the plastic ball head 21 and the inner side wall of the top of the movable cavity 11.
[0019] In the technical solution, the bottom of the plastic ball head 21 is limited by the spherical side of the movable cavity 11, and the top of the plastic ball head 21 and the movable cavity 11 have a gap and are not in contact, so that a space-pressing structure is formed between the plastic ball head 21 and the shock-absorbing ball cap 1, and the plastic ball head 21 and the shock-absorbing ball cap 1 do not interfere with each other, and the plastic ball head 21 has a certain position self-adaptive adjustment capability in the process of vibration conduction.
[0020] According to the preferred solution, the metal screw 22 is sequentially provided with a connecting head 221, a cover 222 and a screw rod 223 from top to bottom, the connecting head 221 is clamped in the plastic ball head 21, the connecting head 221 is provided with a tapered top, the outer diameter of the top is greater than the outer diameter of the bottom, the top of the connecting head 221 is provided with a cross groove 224, the cover 222 is embedded in the bottom of the plastic ball head 21, and the screw rod 223 is connected with the refrigerator through thread cooperation.
[0021] Further, the outer diameter of the cover 222 is greater than the maximum outer diameter of the connecting head 221.
[0022] In the technical solution, the connecting contact surface of the metal screw 22 and the plastic ball head 21 is the connecting head 221 and the cover 222, and the cross groove 224 in the middle of the tapered connecting head 221 can increase the surface area of the connecting point with the plastic ball head 21 without increasing the volume, and increase the torque of the movable connecting piece 2.
[0023] According to the preferred solution, the metal screw 22 and the plastic ball head 21 are integrated through insert injection molding.
[0024] In the technical solution, the materials of the metal screw 22 and the plastic ball head 21 are different, the plastic material is used for the ball head part, the overall weight of the movable connecting piece 2 is lighter than that of the pure metal, the insert injection molding process is selected, and the cross groove 224 and other designs are increased, so that the locking torque of the movable connecting piece 2 is not reduced compared with the connecting piece of pure metal.
[0025] The utility model discloses a shock-absorbing ball cap and a movable connecting piece, the shock-absorbing ball cap is installed, and the weight of the refrigerator is pressed between the refrigerator and the vehicle body to realize support and shock absorption, there is a large gap between the embedded side of the bottom of the shock-absorbing ball cap and the vehicle body, a space-pressing structure is formed between the plastic ball head and the shock-absorbing ball cap, the plastic ball head has a certain position self-adaptive adjustment capability in the process of vibration conduction, the Z direction vibration of the vehicle body is weakened to become the action of shaking left and right, the vibration of the vehicle body in the Z direction is greatly attenuated and eliminated to the refrigerator, so that the refrigerator is protected from being damaged and the noise in the vehicle is reduced.
[0026] The optimal embodiments for implementing the utility model will be described in more detail below with reference to the drawings, so that the features and advantages of the utility model can be easily understood. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 shows the three-dimensional structure schematic diagram of the utility model;
[0028] Figure 2 shows the split schematic diagram of the shock-absorbing ball cap and the movable connecting piece in the utility model;
[0029] Figure 3 shows the sectional view of the shock-absorbing ball cap in the utility model;
[0030] Figure 4 shows the schematic diagram of the utility model installed between the refrigerator and the vehicle body;
[0031] Figure 5 shows Figure 4 the enlarged schematic diagram of A in the utility model;
[0032] Figure 6 shows the split schematic diagram of the plastic ball head and the metal screw in the utility model;
[0033] Figure 7 shows the downward angle view schematic diagram of the plastic ball head in the utility model;
[0034] Figure 8 shows the schematic diagram of the cross slot structure of the metal screw in the utility model;
[0035] Label explanation
[0036] 1, shock-absorbing ball cap;
[0037] 11, movable cavity;
[0038] 12, cylindrical flange;
[0039] 13, conical insert;
[0040] 14, cylindrical over-insert;
[0041] 15, spherical insert;
[0042] 2, movable connecting piece;
[0043] 21, plastic ball head;
[0044] 22, metal screw;
[0045] 221, connecting head;
[0046] 222, cover body;
[0047] 223, screw rod;
[0048] 224, cross slot; DETAILED DESCRIPTION
[0049] In order to make the technical scheme of the utility model, the technical scheme and the advantages of the utility model more clear, the following will combine the drawings of the specific embodiments of the utility model to make a clear and complete description of the technical scheme of the embodiments of the utility model. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0050] Compared with the embodiments shown in the drawings, the feasible implementation schemes within the protection scope of the utility model can have fewer components, other components not shown in the drawings, different components, differently arranged components or differently connected components, etc. In addition, two or more components in the drawings can be implemented in a single component, or a single component shown in the drawings can be implemented as a plurality of separate components.
[0051] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meaning understood by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, "one" or "a" and similar words do not necessarily represent a quantity limit. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0052] The utility model provides a kind of shock-absorbing connecting assembly between vehicle body and refrigerator, for vehicle body and refrigerator installation process, the utility model does not limit the type of vehicle body and refrigerator, but the structure of the shock-absorbing connecting assembly between the vehicle body and refrigerator is particularly suitable for attenuating the vibration demand of the vibration transmitted to refrigerator by vehicle body.
[0053] Generally, the shock-absorbing connecting assembly between vehicle body and refrigerator proposed by the utility model mainly includes: shock-absorbing ball cap 1 and movable connecting piece 2. Wherein, referring to Figure 2 It shows the arrangement relationship of shock-absorbing ball cap 1 and movable connecting piece 2.
[0054] In order to realize the connection between the vehicle body and the refrigerator and achieve the purpose of shock absorption and durability, the utility model discloses a shock absorption connecting assembly between a vehicle body and a refrigerator Figure 4 As shown in the figure, the metal screw 22 on one side of the movable connecting piece 2 is screwed into the bottom of the refrigerator to lock, and then the shock absorption ball cap 1 is sleeved on the top of the plastic ball head 21 and pressed in until the plastic ball head 21 is clamped into the spherical side of the movable cavity 11, so that the shock absorption ball cap 1 is clamped on the movable connecting piece 2, and then the refrigerator is placed in the refrigerator mounting space reserved in the vehicle body, and the bottom of the shock absorption ball cap 1 is clamped into the mounting groove in the vehicle body, at this time, the shock absorption ball cap 1 is compressed between the refrigerator and the vehicle body due to the weight of the refrigerator to realize support and shock absorption, and it is to be explained that there is a large gap between the embedded side of the bottom of the shock absorption ball cap 1 and the vehicle body, and a space forming structure is formed between the plastic ball head 21 and the shock absorption ball cap 1, so that the plastic ball head 21 has a certain position self-adapting adjusting ability in the process of vibration conduction, and the Z-direction vibration of the vehicle body is weakened to become forward and backward and left and right shaking through the above assembly structure, so that the vibration of the vehicle body in the Z-direction is greatly attenuated and eliminated to the refrigerator, so as to protect the refrigerator from being damaged and reduce the noise in the vehicle.
[0055] The shock absorption ball cap 1 needs to be made of elastic material such as TPV or rubber, and the outer contour of the shock absorption ball cap 1 is sequentially composed of a cylindrical flange 12, a conical embedded body 13, a cylindrical transition embedded body 14 and a spherical embedded body 15 from bottom to top, and the outer diameters of the cylindrical flange 12, the conical embedded body 13, the cylindrical transition embedded body 14 and the spherical embedded body 15 gradually decrease, and the conical embedded body 13, the cylindrical transition embedded body 14 and the spherical embedded body 15 are clamped into the mounting groove in the vehicle body during installation, but it should be noted that the conical embedded body 13, the cylindrical transition embedded body 14 and the spherical embedded body 15 are not in contact with the inner groove wall of the mounting groove in the vehicle body, and there is a large gap between the embedded side of the shock absorption ball cap 1 and the vehicle body during installation, so that the shock absorption ball cap 1 made of elastic material has a certain position adjusting ability and self-adapting deformation ability.
[0056] The movable cavity 11 is arranged in the middle of the shock absorption ball cap 1 and is opened at the bottom of the shock absorption ball cap 1, and the part of the movable cavity 11 close to the spherical embedded body 15 is spherical, and the spherical side is used for installing and limiting the top of the plastic ball head 21, and the inner diameter of the spherical side of the movable cavity 11 is smaller than the inner diameter of the other side, which is used for reserving space for the bottom of the plastic ball head 21 to adaptively tilt.
[0057] The movable connecting piece 2 comprises a plastic ball head 21 and a metal screw 22, wherein the top of the plastic ball head 21 is clamped in the movable cavity 11, and the bottom of the metal screw 22 is clamped in the bottom of the plastic ball head 21.
[0058] The bottom ball side of the plastic ball head 21 is clamped on the spherical side of the movable cavity 11, and a gap exists between the top outer side wall of the plastic ball head 21 and the top inner side wall of the movable cavity 11, so that a hollow structure is formed between the plastic ball head 21 and the shock-absorbing ball cap 1, and the plastic ball head 21 and the shock-absorbing ball cap 1 can not interfere with each other in the process of shock conduction, so that the plastic ball head 21 has a certain position self-adaptive adjustment capability.
[0059] The metal screw 22 is sequentially provided with a connecting head 221, a cover 222 and a screw rod 223 from top to bottom, the connecting head 221 is clamped in the plastic ball head 21, the connecting head 221 is conical and the outer diameter of the top is larger than that of the bottom, the cross groove 224 is arranged at the top of the connecting head 221, the connecting contact surface between the metal screw 22 and the plastic ball head 21 is the connecting head 221 and the cover 222, the cross groove 224 in the middle of the conical connecting head 221 can increase the surface area of the connecting point with the plastic ball head 21 without increasing the volume, and the torque of the movable connecting piece 2 is increased, the cover 222 is embedded in the bottom of the plastic ball head 21, the screw rod 223 is connected with the refrigerator through thread cooperation, the metal screw 22 and the plastic ball head 21 are integrated through insert injection molding, the materials of the metal screw 22 and the plastic ball head 21 are different, the ball head part is made of plastic material, the weight is lighter than that of pure metal, the insert injection molding process and the cross groove 224 are selected and designed, and the locking torque of the movable connecting piece 2 is not reduced compared with the connecting piece of pure metal.
[0060] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.
Claims
1. A shock absorbing connection assembly between a vehicle body and a refrigerator, characterized by, Include: The shock absorbing ball cap (1) is composed of four peripheral side walls, and the bottom opening is communicated with the outer active cavity (11); The active connector (2) includes: a plastic ball head (21) and a metal screw (22), the plastic ball head (21) is clamped at the top of the active cavity (11), and the metal screw (22) is clamped at the bottom of the plastic ball head (21).
2. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 1, characterized in that, The outer contour of the shock absorbing ball cap (1) is in order from bottom to top: cylindrical flange (12), tapered insert (13), cylindrical transition insert (14) and spherical insert (15).
3. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 2, characterized in that, The shock absorbing ball cap (1) needs to use elastic materials such as TPV or rubber.
4. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 3, characterized in that, The active cavity (11) is spherical near the spherical insert (15) direction part.
5. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 4, characterized in that, The inner diameter of the active cavity (11) on the spherical side is smaller than that on the other side.
6. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 5, characterized in that, The bottom of the plastic ball head (21) is clamped on the spherical side of the active cavity (11), and there is a gap between the top outer wall of the plastic ball head (21) and the top inner wall of the active cavity (11).
7. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 6, characterized in that, The metal screw (22) is in order from top to bottom: connector (221), cover (222) and screw rod (223), the connector (221) is clamped in the plastic ball head (21), the connector (221) is conical, the top outer diameter is larger than the bottom outer diameter, the connector (221) is provided with a cross groove (224) at the top, the cover (222) is embedded in the bottom of the plastic ball head (21), and the screw rod (223) is connected with the refrigerator through thread cooperation.
8. The shock absorbing connection assembly between the vehicle body and the refrigerator according to claim 7, characterized in that, The metal screw (22) and the plastic ball head (21) are integrated by insert injection molding.