Adjustable door opening damper
By incorporating a threaded rod and threaded cylinder structure into the locking block of the refrigerator door damper, the problem of loose connection caused by wear in the damper is solved, thus achieving stable operation of the damper and vibration reduction.
Patent Information
- Application Number
- CN202520045965.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The repeated opening and closing of the refrigerator door can cause wear and tear on the latch and groove, leading to loosening of the connection between the damper and the refrigerator door, which is detrimental to the normal operation of the damper.
An adjustable door opening damper was designed. By setting two threaded rods and a threaded cylinder on the locking block, the threaded cylinder drives the threaded rods away, so that one end of the threaded rod abuts against the inner wall of the refrigerator door locking groove, replacing the worn locking block and preventing the connection from becoming loose. The slider and rubber block reduce friction and wear.
It effectively prevents the connection between the damper and the refrigerator door from becoming loose, ensuring the damper operates normally, and reduces the vibration of the refrigerator door by consuming vibration energy, providing quietness and protection.
Smart Images
Figure CN223880978U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to damper technical field especially relates to adjustable door opening damper. BACKGROUND
[0002] A damper can consume kinetic energy by providing a resistance to motion, in a door damper, this resistance is used to slow the closing speed of the door, prevent impact and noise, provide a smooth, silent opening and closing experience, and protect the door and door frame from damage.
[0003] When installing the damper on the refrigerator door, one end of the damper cylinder needs to be fixed with the refrigerator body, and one end of the push rod in the damper is fixed with the refrigerator door. The end of the push rod is provided with a clamping block. The clamping block is mainly clamped and fixed between the connecting clamping groove of the refrigerator door body through the clamping mode. However, during the continuous opening and closing process of the refrigerator door, the clamping block and the clamping groove will be worn, which will cause the connection between the damper and the refrigerator door to loosen, and is not conducive to the normal operation of the damper. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of adjustable door opening dampers to solve the problem that refrigerator door will be worn in the continuous opening and closing process Clamping block and clamping groove, which will cause the connection between damper and refrigerator door to loosen, and is not conducive to the normal operation of damper.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of adjustable door opening damper, including cylinder, the inner wall of the cylinder is inserted with push rod, the outer surface of the push rod is equipped with spring, one end of the spring is fixedly connected with the inner wall of cylinder, the other end of the spring and the one end of push rod are fixedly connected with same piston, the outer surface of the piston is slidably connected with the inner wall of cylinder, one end of the cylinder is fixedly connected with connecting piece, the other end of the push rod is fixedly connected with clamping block, the inner wall of the clamping block is provided with adjusting device, the adjusting device includes threaded cylinder, auxiliary groove is set in the middle part of the outer surface of clamping block, the outer surface of the threaded cylinder is set in the inner wall of auxiliary groove, the inner wall of the threaded cylinder is symmetrically connected with threaded rod, the thread size of two threaded rods is same, and the direction is opposite, two threaded rods are arranged in the inside of auxiliary groove, sealing device is arranged between the cylinder and push rod.
[0006] The effect achieved by the above components is that: by arranging two threaded rods, under the action of the threaded cylinder, rotating the threaded cylinder will drive the two threaded rods to move away from each other, so that one end of the threaded rod protrudes from the outer surface of the clamping block, and the one end of the threaded rod abuts against the inner wall of the connecting clamping groove on the refrigerator door, thereby facilitating the adjustment of the threaded rod according to the wear degree of the clamping block and the clamping groove, so that the one end of the threaded rod abuts against the inner wall of the mounting clamping groove of the refrigerator door instead of the outer surface of the clamping block, which is beneficial to prevent the connection between the damper and the refrigerator door from loosening and facilitate the normal operation of the damper.
[0007] Preferably, one side of the clamping block is symmetrically provided with a sliding groove in communication with the inner wall of the auxiliary groove, and the outer surface of the threaded rod is fixedly connected with a sliding block in sliding connection with the inner wall of the sliding groove.
[0008] The effect achieved by the above components is that: by arranging the sliding block and the sliding groove, when the threaded rod is extended and retracted in the inner wall of the threaded cylinder, the sliding block will synchronously slide in the inner wall of the sliding groove, which can limit and guide the threaded rod.
[0009] Preferably, one side of the sliding block and one end of the threaded rod are fixedly connected with a rubber block, and one side of the rubber block is arc-shaped.
[0010] The effect achieved by the above components is that: by arranging the rubber block, the one side of the threaded rod and the sliding block can abut against the inner wall of the mounting groove of the refrigerator door, which is beneficial to prevent the threaded rod made of metal from damaging the inner wall of the clamping groove.
[0011] Preferably, the outer surface of the threaded cylinder is fixedly connected with bearings symmetrically, and the outer surface of the bearing is fixedly connected with the inner wall of the clamping block.
[0012] The effect achieved by the above components is that: by arranging the bearing, the friction between the threaded cylinder and the clamping block can be reduced when rotating the threaded cylinder, which makes it more labor-saving.
[0013] Preferably, one side of the clamping block is provided with a rotating groove in communication with the inner wall of the auxiliary groove, the outer surface of the threaded cylinder is fixedly connected with a circular ring, the outer surface of the circular ring is arranged in the inner wall of the rotating groove, and the outer surface of the circular ring is uniformly provided with a plurality of hexagonal grooves.
[0014] The effect achieved by the above components is that: since the threaded cylinder is arranged inside the clamping block, it is difficult to directly rotate the threaded cylinder, but by arranging the circular ring with a plurality of hexagonal grooves, the hexagonal wrench is inserted into the hexagonal groove to rotate the circular ring, which can drive the threaded cylinder to rotate, when the hexagonal groove gradually enters the rotating groove, another hexagonal groove appears from the other side of the rotating groove, thereby facilitating the continuous rotation of the circular ring, and thereby facilitating the adjustment of the threaded cylinder.
[0015] Preferably, the sealing device comprises a rubber ring arranged at one end of the cylinder body, the outer surface of the push rod abuts against the outer surface of the push rod, and the outer surface of the rubber ring is uniformly fixedly connected with a round hole block, a threaded pin is inserted into the inner wall of the round hole block, and one end of the threaded pin is fixedly connected with one end of the cylinder body.
[0016] The above-mentioned components achieve the effect that: by arranging the rubber ring, inserting the four threaded pins into the inner walls of the four round hole blocks, sleeving the rubber ring on the outer surface of the push rod, and abutting one side of the rubber ring against one end of the cylinder body, the push rod and the cylinder body can be assisted to be sealed, which is beneficial to improving the sealing performance between the push rod and the cylinder body and facilitating the normal operation of the damper.
[0017] Preferably, the outer surface of the threaded pin is threadedly connected with a nut, and one side of the nut abuts against one side of the round hole block.
[0018] The above-mentioned components achieve the effect that: by arranging the nut, sleeving the nut on one end of the threaded pin, and rotating the threaded pin to abut one end of the threaded pin against one side of the round hole block, the rubber ring connected with the round hole block can be fixed, which is beneficial to preventing the rubber ring from separating from the cylinder body.
[0019] Preferably, one end of the cylinder body is uniformly fixedly connected with four U-shaped blocks, and the outer surface of the round hole block is inserted into the inner wall of the U-shaped block.
[0020] The above-mentioned components achieve the effect that: by arranging the U-shaped block, inserting the round hole block into the inner wall of the U-shaped block, the round hole block can be assisted to be limited, which is beneficial to improving the stability of the connection between the rubber ring and the cylinder body.
[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:
[0022] In the utility model, under the action of the threaded cylinder, the threaded cylinder can drive the two threaded rods to move away from each other, so that one end of the threaded rod protrudes from the outer surface of the clamping block, and abuts against the inner wall of the connecting clamping groove on the refrigerator door, thereby facilitating the adjustment of the threaded rod according to the wear degree of the clamping block and the clamping groove, and making the outer surface of one end of the threaded rod abut against the inner wall of the mounting clamping groove of the refrigerator door, which is beneficial to preventing the connection between the damper and the refrigerator door from loosening and facilitating the normal operation of the damper. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a sectional view of the cylinder body of the utility model;
[0024] Figure 2 It is a perspective view of the main body of the utility model;
[0025] Figure 3 It is a three-dimensional structure schematic view of the auxiliary device of the utility model;
[0026] Figure 4 It is a three-dimensional structure schematic view of the auxiliary device of the utility model Figure 3 It is an enlarged structure schematic view of A place of the utility model;
[0027] Figure 5 It is an enlarged structure schematic view of B place of the utility model Figure 3 It is an enlarged structure schematic view of B place of the utility model.
[0028] Legend: 1, barrel; 2, push rod; 3, spring; 4, piston; 5, connecting piece; 6, clamping block; 7, adjusting device; 71, auxiliary groove; 72, threaded cylinder; 73, threaded rod; 74, sliding block; 75, sliding groove; 76, rubber block; 77, bearing; 78, rotating groove; 79, circular ring; 710, hexagonal groove; 8, sealing device; 81, rubber ring; 82, round hole block; 83, threaded pin; 84, nut; 85, U-shaped block. Specific implementation
[0029] Example 1, refer to Figures 1-4As shown, the embodiment discloses an adjustable door opening damper, which comprises a cylinder 1, a push rod 2 is inserted into the inner wall of the cylinder 1, a spring 3 is sleeved on the outer surface of the push rod 2, one end of the spring 3 is fixedly connected with one side of the inner wall of the cylinder 1, the other end of the spring 3 and one end of the push rod 2 are fixedly connected with the same piston 4, the outer surface of the piston 4 is slidably connected with the inner wall of the cylinder 1, one end of the cylinder 1 is fixedly connected with a connecting piece 5, the other end of the push rod 2 is fixedly connected with a clamping block 6, the inner wall of the clamping block 6 is provided with an adjusting device 7, the adjusting device 7 comprises a threaded cylinder 72, an auxiliary groove 71 is formed in the middle of the outer surface of the clamping block 6, the outer surface of the threaded cylinder 72 is arranged on the inner wall of the auxiliary groove 71, the inner wall of the threaded cylinder 72 is symmetrically and threadedly connected with a threaded rod 73, the sizes of the threads of the two threaded rods 73 are the same, the directions of the threads of the two threaded rods 73 are opposite, the two threaded rods 73 are arranged in the auxiliary groove 71, and a sealing device 8 is arranged between the cylinder 1 and the push rod 2. By arranging the two threaded rods 73, under the action of the threaded cylinder 72, rotating the threaded cylinder 72 can drive the two threaded rods 73 to move away from each other, so that one end of the threaded rod 73 protrudes from the outer surface of the clamping block 6, and one end of the threaded rod 73 abuts against the inner wall of the connecting groove on the refrigerator door, thereby facilitating the adjustment of the threaded rod 73 according to the wear degree of the clamping block 6 and the connecting groove, and making one end of the threaded rod 73 abut against the inner wall of the connecting groove on the refrigerator door instead of the outer surface of the clamping block 6, which is beneficial to prevent the connection between the damper and the refrigerator door from loosening and beneficial to the normal operation of the damper. The damper mainly reduces or eliminates vibration by consuming vibration energy. The spring 3 in the sleeve consumes the energy generated by the vibration of the refrigerator door connected with the clamping block 6 when the refrigerator door is closed by applying a force opposite to the vibration direction, so that the vibration amplitude of the refrigerator door and the refrigerator gradually decreases and finally stops vibrating. Specifically, the damper can convert mechanical energy into heat energy or other forms of energy in this way, thereby achieving the effect of reducing vibration.
[0030] Referring to Figure 3 and Figure 4 As shown, one side of the clamping block 6 is symmetrically provided with a sliding groove 75, the sliding groove 75 is communicated with the inner wall of the auxiliary groove 71, the outer surface of the threaded rod 73 is fixedly connected with a sliding block 74, the outer surface of the sliding block 74 is slidably connected with the inner wall of the sliding groove 75, by arranging the sliding block 74 and the sliding groove 75, when the threaded rod 73 is extended and retracted in the inner wall of the threaded cylinder 72, the sliding block 74 is driven to slide synchronously in the inner wall of the sliding groove 75, which can limit and guide the threaded rod 73; one side of the sliding block 74 and one end of the threaded rod 73 are fixedly connected with a rubber block 76, one side of the rubber block 76 is arc-shaped, by arranging the rubber block 76, the rubber block 76 can abut against the inner wall of the connecting groove on the refrigerator door instead of one side of the threaded rod 73 and the sliding block 74, which is beneficial to prevent the threaded rod 73 made of metal from damaging the inner wall of the connecting groove.
[0031] Referring to Figure 3 and Figure 4As shown, the outer surface of the threaded cylinder 72 is fixedly connected with the bearing 77, the outer surface of the bearing 77 is fixedly connected with the inner wall of the clamping block 6, by arranging the bearing 77, the friction between the threaded cylinder 72 and the clamping block 6 can be reduced when rotating the threaded cylinder 72, so that it is more labor-saving when rotating the threaded cylinder 72; one side of the clamping block 6 is provided with a rotating groove 78, the inner wall of the rotating groove 78 is communicated with the inner wall of the auxiliary groove 71, the outer surface of the threaded cylinder 72 is fixedly connected with a circular ring 79, the outer surface of the circular ring 79 is arranged on the inner wall of the rotating groove 78, and the outer surface of the circular ring 79 is uniformly provided with a plurality of hexagonal grooves 710. Since the threaded cylinder 72 is arranged in the interior of the clamping block 6, it is difficult to directly rotate the threaded cylinder 72, and by arranging the circular ring 79 with a plurality of hexagonal grooves 710, the hexagonal wrench is inserted into the hexagonal groove 710, the circular ring 79 is rotated, and the threaded cylinder 72 can be driven to rotate. When the hexagonal groove 710 gradually enters the rotating groove 78, another hexagonal groove 710 appears from the other side of the rotating groove 78, thereby facilitating the rotation of the circular ring 79, and facilitating the adjustment of the threaded cylinder 72.
[0032] Referring to Figure 3 and Figure 5 As shown, the sealing device 8 comprises a rubber ring 81, which is arranged at one end of the cylinder body 1, the outer surface of the push rod 2 abuts against the outer surface of the push rod 2, the outer surface of the rubber ring 81 is fixedly connected with a circular hole block 82, the inner wall of the circular hole block 82 is inserted with a threaded pin 83, one end of the threaded pin 83 is fixedly connected with one end of the cylinder body 1, by arranging the rubber ring 81, the four threaded pins 83 are inserted into the inner walls of the four circular hole blocks 82, the rubber ring 81 is sleeved on the outer surface of the push rod 2, and one side of the rubber ring 81 abuts against one end of the cylinder body 1, so that the push rod 2 and the cylinder body 1 can be sealed, which is beneficial to improve the sealing performance between the push rod 2 and the cylinder body 1, and facilitate the normal operation of the damper.
[0033] Referring to Figure 3 and Figure 5 As shown, the outer surface of the threaded pin 83 is threadedly connected with a nut 84, one side of the nut 84 abuts against one side of the circular hole block 82, by arranging the nut 84, the nut 84 is sleeved on one end of the threaded pin 83, the threaded pin 83 is rotated, and one end of the threaded pin 83 abuts against one side of the circular hole block 82, so that the rubber ring 81 connected with the circular hole block 82 can be fixed, which is beneficial to prevent the rubber ring 81 from separating from the cylinder body 1; one end of the cylinder body 1 is fixedly connected with four U-shaped blocks 85, the outer surface of the circular hole block 82 is inserted into the inner wall of the U-shaped block 85, by arranging the U-shaped block 85, the circular hole block 82 is inserted into the inner wall of the U-shaped block 85, which can assist in limiting the circular hole block 82, and is beneficial to improve the stability of the connection between the rubber ring 81 and the cylinder body 1.
[0034] Working principle: insert the hexagonal wrench into the hexagonal groove 710 outside the surface of the ring 79, rotate the ring 79 and the threaded cylinder 72 to rotate the threaded cylinder 72, under the limiting of the slider 74 and the sliding groove 75, it will drive the two threaded rods 73 to move away from each other, so that one end of the threaded rod 73 protrudes from the outer surface of the block 6, so that the rubber block 76 at one end of the threaded rod 73 abuts the inner wall of the connecting slot on the refrigerator door, and then the threaded rod 73 is adjusted according to the wear degree of the block 6 and the slot, so that the outer surface of one end of the threaded rod 73 replaces the inner wall of the mounting slot of the refrigerator door, which is beneficial to prevent the connection between the damper and the refrigerator door from loosening, and is beneficial to the normal operation of the damper; insert the four threaded pins 83 into the inner wall of the four round hole blocks 82, the rubber ring 81 is sleeved on the outer surface of the push rod 2, the round hole block 82 is inserted into the inner wall of the U-shaped block 85, and the side of the rubber ring 81 abuts one end of the cylinder 1. Then, the nut 84 is sleeved on one end of the threaded pin 83, the threaded pin 83 is rotated, and one end of the threaded pin 83 abuts one side of the round hole block 82. Then, the rubber ring 81 can assist in sealing between the push rod 2 and the cylinder 1, which is beneficial to improve the sealing performance between the push rod 2 and the cylinder 1, and is beneficial to the normal operation of the damper.
Claims
1. An adjustable door opening damper comprising a cylinder (1), characterized in that: The inner wall of the barrel (1) is provided with a push rod (2), the outer surface of the push rod (2) is provided with a spring (3), one end of the spring (3) is fixedly connected with one side of the inner wall of the barrel (1), the other end of the spring (3) and one end of the push rod (2) are fixedly connected with the same piston (4), the outer surface of the piston (4) is slidably connected with the inner wall of the barrel (1), one end of the barrel (1) is fixedly connected with a connecting piece (5), the other end of the push rod (2) is fixedly connected with a clamping block (6), the inner wall of the clamping block (6) is provided with an adjusting device (7), the adjusting device (7) comprises a threaded barrel (72), the middle part of the outer surface of the clamping block (6) is provided with an auxiliary groove (71), the outer surface of the threaded barrel (72) is arranged on the inner wall of the auxiliary groove (71), the inner wall of the threaded barrel (72) is symmetrically and threadedly connected with a threaded rod (73), the threads of the two threaded rods (73) are of the same size and opposite directions, and the two threaded rods (73) are arranged in the auxiliary groove (71), and the barrel (1) and the push rod (2) are provided with a sealing device (8).
2. The adjustable door closing damper according to claim 1, wherein: One side of the clamping block (6) is symmetrically provided with a sliding groove (75), the sliding groove (75) is communicated with the inner wall of the auxiliary groove (71), and the outer surface of the threaded rod (73) is fixedly connected with a sliding block (74).
3. The adjustable door closer according to claim 2, wherein: One side of the sliding block (74) and one end of the threaded rod (73) are fixedly connected with a rubber block (76), and one side of the rubber block (76) is arc-shaped.
4. The adjustable door closer of claim 1, wherein: The outer surface of the threaded barrel (72) is fixedly connected with a bearing (77) in a symmetrical manner, and the outer surface of the bearing (77) is fixedly connected with the inner wall of the clamping block (6).
5. The adjustable door closer of claim 1, wherein: One side of the clamping block (6) is provided with a rotating groove (78), the inner wall of the rotating groove (78) is communicated with the inner wall of the auxiliary groove (71), the outer surface of the threaded barrel (72) is fixedly connected with a circular ring (79), the outer surface of the circular ring (79) is arranged on the inner wall of the rotating groove (78), and the outer surface of the circular ring (79) is uniformly provided with a plurality of hexagonal grooves (710).
6. The adjustable door closer of claim 1, wherein: The sealing device (8) comprises a rubber ring (81), the rubber ring (81) is arranged on one end of the barrel (1), the outer surface of the push rod (2) is abutted with the outer surface of the push rod (2), the outer surface of the rubber ring (81) is uniformly fixedly connected with a circular hole block (82), the inner wall of the circular hole block (82) is provided with a threaded pin (83), and one end of the threaded pin (83) is fixedly connected with one end of the barrel (1).
7. An adjustable door closer according to claim 6, wherein: The outer surface of the threaded pin (83) is threadedly connected with a nut (84), and one side of the nut (84) is abutted with one side of the circular hole block (82).
8. The adjustable door closer of claim 6, wherein: One end of the barrel (1) is uniformly fixedly connected with four U-shaped blocks (85), and the outer surface of the circular hole block (82) is inserted into the inner wall of the U-shaped block (85).