Novel plastic control box structure limiter
By designing a new type of plastic control box structure limiter, which incorporates shock-absorbing blocks, press-fit grooves, slot and locking point cooperation, concave and convex parts, lubricating oil in the recess, and water leakage grooves, the problem of impact noise and friction noise caused by the collision between the limit cap and the control box is solved. This achieves shock absorption, noise reduction, dustproofing and waterproofing effects, and improves the smoothness and service life of the car door opening and closing.
Patent Information
- Application Number
- CN202422928007.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The limit cap of the existing door limiter is prone to collision with the control box, resulting in impact and friction noise. In addition, dust cannot be effectively scraped off the bottom of the limit slider, causing friction noise and affecting the customer's driving experience.
Design a novel plastic control box structure limiter including a bracket, pull plate, control box and limit slider assembly. It adopts structures such as shock-absorbing blocks, press-fit grooves, slot and locking point cooperation, concave and convex parts, lubricating oil in the pit, and water leakage groove, combined with TPU material and elastic elements to achieve shock absorption, noise reduction, dustproof and waterproof functions.
It effectively reduces impact and friction noise, extends the life of the limiter, prevents damage to the control box, reduces friction noise, ensures smooth door opening and closing, and improves the customer's driving experience.
Smart Images
Figure CN223469149U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, and specifically relates to a novel plastic control box structure limiter. BACKGROUND
[0002] With the continuous development of science and technology, people's performance requirements for automobiles are also getting higher and higher; the door limiter is one of the important components of the door, which can realize the limiting function of the door, and the door opening and closing perception is increasingly important when passengers get on and off the vehicle.
[0003] The existing door limiter on the market is prone to collide with the control box when the door is opened, which is easy to produce impact sound and friction sound, and even causes damage to the control box. At the same time, the bottom of the existing limiting sliding block is spherical, which cannot effectively remove dust, and is easy to produce friction noise during the opening and closing of the door, affecting the customer's driving experience. Therefore, a new technical scheme is needed to solve at least one of the above technical problems. SUMMARY
[0004] The utility model aims at providing a novel plastic control box structure limiter, which solves the technical problem that the limiting cap at the head end of the pull plate is prone to collide with the control box, which is easy to produce impact sound and friction sound, and even causes damage to the control box.
[0005] In order to realize the above technical purpose and achieve the above technical requirements, the utility model adopts the technical scheme of: a novel plastic control box structure limiter, characterized by comprising a bracket, a pull plate, a control box and a limiting sliding block assembly, the bracket is connected with the vehicle body, the control box is connected with the door, the head end of the pull plate passes through the control box and is rotatably connected with the bracket, one limiting sliding block assembly is slidably arranged at each end of the control box, the limiting sliding block assembly comprises a limiting sliding block slidably arranged in the control box, an elastic element embedded in the limiting sliding block, and a baffle embedded in the control box, the baffle abuts against the elastic element, a limiting cap is arranged at the tail end of the pull plate, and at least one shock absorbing block is arranged on the side of the control box facing the limiting cap.
[0006] As a preferred technical scheme, a press-in groove is arranged at each end of the side of the control box facing the limiting cap.
[0007] As a preferred technical scheme, the press-in groove is provided with a clamping point, and a plurality of clamping grooves matched with the clamping point are arranged on the outer circumferential side of the baffle.
[0008] As a preferred technical scheme, two shock absorbing blocks are symmetrically arranged on the side of the control box facing the limiting cap, and a concave-convex part is arranged on the side of the shock absorbing block facing the limiting cap.
[0009] As a preferred technical scheme, a pit is arranged at the bottom end of the limiting sliding block.
[0010] As a preferred technical scheme, the two sides of the pull plate are respectively provided with wave structures, and the wave structures have a plurality of U-shaped grooves.
[0011] As a preferred technical scheme, the bottom of the limiting sliding block is provided with a U-shaped arc surface matched with the U-shaped groove.
[0012] As a preferred technical scheme, the concave pit is coated with lubricating oil.
[0013] As a preferred technical scheme, the outer circumferential side of the limiting sliding block is provided with a water leakage groove.
[0014] As a preferred technical scheme, the material of the shock-absorbing block is TPU, and the elastic member is a spring.
[0015] The beneficial effects of the utility model are:
[0016] 1) The shock-absorbing block and the limiting cap abut to achieve a shock-absorbing effect, and the technical problem that the limiting cap at the head end of the pull plate is prone to colliding with the control box, and impact sound and friction sound are prone to occurring, and even the control box is damaged is solved.
[0017] 2) The press-in groove facilitates the press-in of the baffle into the control box.
[0018] 3) The clamping groove of the baffle cooperates with the clamping point to prevent the baffle from loosening and falling off during use, thereby prolonging the service life of the limiting device.
[0019] 4) The concave-convex part cooperates with the limiting cap to have a sound-absorbing effect, and the shock-absorbing effect is better.
[0020] 5) The concave pit coated with lubricating oil makes the friction force smaller when the limiting sliding block slides on the pull plate.
[0021] 6) The water leakage groove effectively discharges the accumulated water, thereby avoiding freezing to cause functional failure in winter environment.
[0022] 7) The arc surface cooperates with the U-shaped groove to form line-surface contact, which can effectively scrape off dust on the surface of the pull plate, thereby avoiding friction noise caused by dust accumulation.
[0023] 8) The TPU material has the characteristics of high strength, not easy to break, anti-sticking, and anti-friction noise. DRAWINGS
[0024] Figure 1 is a structural diagram of a limiting device provided by an embodiment of the utility model;
[0025] Figure 2 is an installation diagram of a limiting device provided by an embodiment of the utility model;
[0026] Figure 3Is an embodiment of the utility model provides control box's structural drawing of the utility model;
[0027] Figure 4 Is an embodiment of the utility model provides the structure diagram of the utility model of pull plate;
[0028] Figure 5 Is an embodiment of the utility model provides the working diagram of the utility model of stopper.
[0029] In Figures 1-5 In, 1, support;2, pivot;3, pull plate;301, limit cap;302, U-shaped groove;4, control box;401, shock block;4011, concave-convex part;402, rivet groove;403, card point;5, limit slide block;501, circular arc surface;502, water leakage groove;503, pit;6, elastic part;7, baffle;701, clamping groove;8, screw. Specific implementation
[0030] The utility model is further described below in conjunction with the drawings.
[0031] The same or similar labels in the drawings of the embodiment of the utility model correspond to the same or similar parts;In the description of the utility model, it is understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inside", "outside" and the like appear, the orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element must have a particular orientation, structure and operation, therefore the terms describing the position relationship in the drawings are only used for example, and can not be understood as the limitation of the patent, for the ordinary skilled in the art, the specific meaning of the above-mentioned terms can be understood according to the specific situation.
[0032] Please refer to Figures 1-5The utility model discloses an embodiment provides a novel plastic control box 4 structure stopper, including support 1, draw plate 3, control box 4 and limit slide block 5 assembly, support 1 is connected with the vehicle body, control box 4 is connected with the vehicle door, draw plate 3 head end passes through control box 4, and with support 1 is rotatablely connected through pivot 2, in control box 4 both ends respectively can slide with 1 limit slide block 5 assembly of setting, limit slide block 5 assembly includes the limit slide block 5 of slidable setting in control box 4, the elastic member 6 of embedding in limit slide block 5, the baffle 7 of embedding in control box 4, baffle 7 with elastic member 6 abuts, draw plate 3 tail end is provided with limit cap 301, control box 4 is provided with at least 1 shock pad 401 on the side facing limit cap 301, limit slide block 5 slides on draw plate 3, baffle 7 compresses elastic member 6, shock pad 401 and limit cap 301 abut and play the shock attenuation effect, solve the limit cap 301 of draw plate 3 head end and control box 4 easy to collide, easy to appear the technical problem of impact sound and friction sound, even lead to control box 4 damage.
[0033] As Figures 1-5 The control box 4 is provided with a press riveting groove 402 at both ends of the side facing the limit cap 301, and the baffle 7 is press riveted from the press riveting groove 402, so as to be installed inside the control box 4, which is convenient to install.
[0034] As Figures 1-5 The press riveting groove 402 is provided with a clamping point 403, and the outer circumferential side of the baffle 7 is provided with a plurality of clamping grooves 701 matched with the clamping point 403; after the baffle 7 is pressed into the control box 4, the clamping point 403 falls into the clamping groove 701, so as to prevent the baffle 7 from loosening after long-time use, and the service life of the stopper is increased.
[0035] Further, the outer circumferential side of the baffle 7 is uniformly arrayed with four arc-shaped clamping grooves 701, so that there are clamping grooves 701 in four directions during installation, the fault tolerance is high, the arc-shaped clamping grooves 701 are matched with the clamping point 403 well, and the clamping point 403 is a trapezoidal block structure, so as to increase the strength and impact resistance.
[0036] As Figures 1-5 The control box 4 is provided with two shock pads 401 symmetrically arranged at the side facing the limit cap 301, and the shock pad 401 is provided with a concave-convex part 4011 at the side facing the limit cap 301; the concave-convex part 4011 is matched with the limit cap 301 and has a sound attenuation effect, and the shock attenuation effect is better.
[0037] As Figures 1-5 The limit slide block 5 is provided with a pit 503 at the bottom end, and the pit 503 is coated with lubricating oil, so that the friction is smaller when the limit slide block 5 slides on the draw plate 3, and the pit 503 can also scrape off dust.
[0038] As Figures 1-5 The wave structure has a plurality of U-shaped grooves 302, the bottom of the limiting sliding block 5 is provided with a U-shaped arc surface 501, the arc surface 501 is matched with the U-shaped groove 302, the limiting sliding block 5 moves along the surface of the pull plate 3 when the door is opened, line-surface contact is formed, dust accumulated on the surface of the pull plate 3 is effectively scraped, and the occurrence of abnormal sound is reduced.
[0039] As Figures 1-5 The outer circumferential side of the limiting sliding block 5 is provided with a water leakage groove 502, when the door is closed, accumulated water can be discharged along the water leakage groove 502, and the problem of invalidation of the limiter caused by freezing of the accumulated water is effectively prevented.
[0040] As Figures 1-5 The shock-absorbing block 401 is made of TPU, has the characteristics of high strength, not easy to break, anti-adhesion and anti-friction abnormal sound, has a shock-absorbing and buffering effect when the door is opened too fast, the elastic member 6 is a spring, has good compression and reset effects, and is convenient to select.
[0041] As Figures 1-5 The control box 4 is detachably provided with two screws 8 on the side away from the limiting cap 301, so that the control box 4 can be conveniently installed on the door.
[0042] As Figures 1-5 The thickness of the baffle 7 is 1.5 mm, compared with the conventional baffle 7 with a thickness of 2 mm, the cavity Z of the improved control box 44 is increased in size, and the energy storage for assisting the closing is increased.
[0043] The above embodiments are only described for the purpose of clearly illustrating the present application, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and all the embodiments do not need to be exhausted, and the obvious changes or variations still fall within the protection scope of the present application.
Claims
1. A novel plastic control box structure limiter, characterized in that, Including support, pull plate, control box and limit slide block assembly, the support is connected with the vehicle body, the control box is connected with the door, the pull plate head end passes through the control box, and is rotatably connected with the support, and one limit slide block assembly is slidably arranged at both ends of the control box respectively, the limit slide block assembly includes a limit slide block slidably arranged in the control box, a elastic element embedded in the limit slide block, and a baffle embedded in the control box, the baffle is abutted with the elastic element, the tail end of the pull plate is provided with a limit cap, and at least one shock absorbing block is arranged on the side of the control box facing the limit cap.
2. A novel plastic control box structure limiter according to claim 1, characterized in that, The control box is provided with a press-in groove at both ends of the side facing the limit cap.
3. The novel plastic control box structure limiter according to claim 2, characterized in that, The press-in groove is provided with a clamping point, and the outer circumferential side of the baffle is provided with a plurality of clamping grooves matched with the clamping point.
4. The novel plastic control box structure limiter according to claim 1, characterized in that, The control box is provided with two shock absorbing blocks symmetrically on the side facing the limit cap, and the shock absorbing block is provided with a concave-convex part on the side facing the limit cap.
5. The novel plastic control box structure limiter according to claim 1, characterized in that, The bottom end of the limit slide block is provided with a pit.
6. A novel plastic control box structure limiter according to claim 4, characterized in that, The both sides of the pull plate are respectively provided with wave structures, and the wave structures have a plurality of U-shaped grooves.
7. A novel plastic control box structure limiter according to claim 6, characterized in that, The bottom of the limit slide block is provided with a U-shaped arc surface, and the arc surface is matched with the U-shaped groove.
8. The novel plastic control box structure limiter according to claim 5, characterized in that, The pit is coated with lubricating oil.
9. The novel plastic control box structure limiter according to claim 1, characterized in that, The outer circumferential side of the limit slide block is provided with a water leakage groove.
10. The novel plastic control box structure limiter according to claim 1, characterized in that, The material of the shock absorbing block is TPU, and the elastic element is a spring.