Embedded door stopper
By designing the limiting boss, limiting groove, and return spring of the embedded gate stop, the problems of long opening and closing time and short service life of existing buried gate stops are solved, achieving fast operation and a longer service life.
Patent Information
- Application Number
- CN202520570469.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing buried gate stoppers have long opening and closing times, and after prolonged use, the lever and base are prone to rust or thread wear, resulting in a short service life.
An embedded door stop was designed, which adopts a structure of base, fixed plate, rotating rod, locking sleeve and return spring. Through the cooperation of limiting boss, limiting groove and return spring, the rotating rod can be opened and closed quickly, and the clamping spring and clamping parts prevent loosening and enhance service life.
It enables the gate stop to open and close quickly, avoids loosening between the lever and the locking sleeve, and extends its service life.
Smart Images

Figure CN223952469U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a door stopper technical field especially relates to a built-in door stopper. BACKGROUND
[0002] With the development of society, the acceleration of life and work rhythm, business trip becomes a part of our work and life. In the process of business trip, we will sleep in a strange room or hotel, preventing harmful molecules from breaking into the door and ensuring personal safety is what we must do. Therefore, setting a door stopper around the door has become the main measure to tighten and reinforce the door. A buried door stopper appears. The existing buried door stopper includes a base and a rotating rod, wherein the base is buried and fixedly installed in the ground, and the rotating rod is screw-connected in the base. When the door needs to be opened, the rotating rod is completely screwed into the base, so that the buried door stopper is completely hidden in the ground, thereby the blocking of the door stopper to the door can be removed. When the door needs to be blocked by the existing buried door stopper after the door is closed, the rotating rod is rotated to make it pass out of the base, so that the rotating rod blocks the door. The existing buried door stopper needs a long time to open and close, and after long-term use, rust or thread wear may occur between the rotating rod and the base, which needs to be improved. SUMMARY
[0003] The utility model aims at providing a built-in door stopper which is quickly and conveniently opened and closed and has a longer service life.
[0004] The utility model provides a built-in door stopper, including base, fixed plate, rotating rod, lock sleeve and return spring, the base is opened and is formed with containing groove, the fixed plate is opened and is formed with perforation, the fixed plate fixed cover is established on the base, the inner side wall of containing groove is provided with limiting boss along its vertical direction, first limit slot is formed between limiting boss and the bottom wall of base, the rotating rod includes rod body part and limit plate part, the limit plate part is located at the bottom end circumfergy of rod body part, the side of limit plate part is opened and is formed with let go slot, the lock sleeve is opened and is formed with rotating hole through, the rod body part is inserted into rotating hole from the bottom end of lock sleeve, the rotating rod and lock sleeve are arranged in containing groove, the return spring is arranged between the rotating rod and the bottom wall of containing groove, and the rotating rod and lock sleeve can be driven to pass out of the perforation, the bottom end of one side of lock sleeve is provided with limiting portion, and the fixed plate is limited to limiting portion.
[0005] Preferably, the bottom end of the rotating rod is opened and formed with a first installation slot, the bottom wall surface of the containing groove is opened and formed with a second installation slot, and the two ends of the return spring are respectively inserted into the first installation slot and the second installation slot.
[0006] Preferably, a second limiting groove is formed at the bottom end of the lock sleeve, and a limiting block is arranged on the limiting plate part of the rotating rod and clamped in the second limiting groove.
[0007] Preferably, a third installation groove is formed at the upper end of one side of the rod body part, a pressing spring is arranged in the third installation groove, and a pressing piece is arranged at the end of the pressing spring close to the lock sleeve.
[0008] Preferably, the shape of the pressing piece is spherical, the pressing piece is embedded in one end of the pressing spring, and the pressing piece is movably connected with the pressing spring.
[0009] Preferably, a first recess and a second recess are vertically formed in the inner side wall of the lock sleeve, and the pressing piece can be embedded in the first recess or the second recess under the action of the pressing spring.
[0010] Preferably, a rotating groove is formed in the top end surface of the rotating rod.
[0011] Preferably, a rotating mark is arranged on the top end surface of the lock sleeve.
[0012] Preferably, a plurality of bolt holes for fixing the door stopper are formed in the surface of the fixing plate.
[0013] From the above description of the utility model, the utility model has the following beneficial effects:
[0014] 1. In the buried door stopper, the rotating rod is rotated to align the limiting groove of the limiting plate part with the limiting boss, so that the rotating rod and the lock sleeve are pulled out of the through hole under the action of the reset spring. The buried door stopper is quickly and conveniently opened and closed, and has a longer service life.
[0015] 2. A third installation groove is formed at the upper end of one side of the rod body part, a pressing spring is arranged in the third installation groove, a pressing piece is arranged at the end of the pressing spring close to the lock sleeve, and a first recess and a second recess are vertically formed in the inner side wall of the lock sleeve. The pressing piece can be pressed in the first recess or the second recess under the action of the pressing spring, thereby preventing relative looseness between the rotating rod and the lock sleeve.
[0016] 3. A second limiting groove is formed at the bottom end of the lock sleeve, and a limiting block is arranged on the limiting plate part of the rotating rod and clamped in the second limiting groove. The rotating rod is rotated clockwise, and the limiting block abuts against one side wall of the second limiting groove. At this time, the limiting groove of the limiting plate part is aligned with the limiting boss on the inner side wall of the accommodating groove, thereby facilitating accurate control of the rotation amount of the rotating rod. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a schematic view of the overall structure of an embodiment of the buried door stopper in a closed state.
[0018] Figure 2 is an overall structure schematic diagram of the embodiment when the internal embedded blocking door is in an open state;
[0019] Figure 3 is a sectional view of the embodiment of the internal embedded blocking door;
[0020] Figure 4 is a structure schematic diagram of the let-out slot and the first mounting slot of the embodiment;
[0021] Figure 5 is a bottom view of the lock sleeve of the embodiment;
[0022] Figure 6 is a structure schematic diagram of the base of the embodiment;
[0023] Figure 7 is a structure schematic diagram of the fixed plate of the embodiment;
[0024] Figure 8 is a structure schematic diagram of the lock sleeve of the embodiment;
[0025] Figure 9 is a sectional view of the base of the embodiment;
[0026] Figure 10 is a structure schematic diagram of the rotating rod of the embodiment.
[0027] Reference signs: 1, base; 11, accommodating slot; 12, second mounting slot; 13, limiting boss; 14, first limiting slot; 2, fixed plate; 21, through hole; 22, bolt hole; 3, rotating rod; 31, rod body part; 32, limiting plate part; 321, let-out slot; 33, first mounting slot; 34, limiting block; 35, rotating slot; 36, third mounting slot; 37, abutting spring; 38, abutting piece; 4, lock sleeve; 41, rotating hole; 42, limiting part; 43, second limiting slot; 44, rotating mark; 45, first recess; 46, second recess; 5, reset spring. DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the following will be further described in detail with reference to the accompanying drawings of the embodiments of the present application. Figures 1-10 It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.
[0029] Reference is made to the accompanying drawings of the embodiments of the present application. Figures 1-6The utility model provides an inner burying type door stopper, including base 1, fixed plate 2, rotating lever 3, lock sleeve 4 and reset spring 5, wherein the base 1 is set with containing groove 11 for the installation of rotating lever 3, lock sleeve 4 and reset spring 5.A rotating hole 41 is vertically formed in the lock sleeve 4, and the rotating lever 3 includes a lever body 31 and a limiting plate 32, wherein the limiting plate 32 is located at the bottom end of the lever body 31.The lever body 31 of the rotating lever 3 is inserted into the rotating hole 41 of the lock sleeve 4, and the limiting plate 32 abuts against the bottom end of the lock sleeve 4.The rotating lever 3 and the lock sleeve 4 are arranged in the containing groove 11 of the base 1, and the reset spring 5 is arranged between the rotating lever 3 and the bottom wall of the containing groove 11, so that the rotating lever 3 and the lock sleeve 4 are inserted out of the top end of the base 1 under the action of the reset spring 5.
[0030] With reference to Figure 3 , Figure 7 and Figure 8 , the fixed plate 2 is fixedly arranged at the top end of the base 1, and a through hole 21 is formed in the fixed plate 2 and communicates with the containing groove 11.In use, the base 1 is embedded in the ground, and a plurality of bolt holes 22 are formed in the fixed plate 2 to facilitate the embedding of the base 1 in the ground.Screw bolts are inserted through the bolt holes 22 in the fixed plate 2 and locked to the ground to fix the base 1 in the ground.In order to prevent the rotating lever 3 and the lock sleeve 4 from being separated from the base 1, a limiting portion 42 is additionally arranged at the bottom end of the outer side wall of the lock sleeve 4.The rotating lever 3 and the lock sleeve 4 are inserted out of the through hole 21 of the fixed plate 2 under the action of the reset spring 5, until the limiting portion 42 on the lock sleeve 4 abuts against the bottom end of the fixed plate 2, so that the lock sleeve 4 is limited by the fixed plate 2.When the rotating lever 3 and the lock sleeve 4 are inserted out of the through hole 21 of the fixed plate 2, the door stopping effect is achieved.
[0031] With reference to Figure 3 , Figure 4 and Figure 6 , in order to prevent the reset spring 5 from being tilted during compression or resetting, a first installation groove 33 is formed at the bottom end of the rotating lever 3, and a second installation groove 12 is formed on the surface of the bottom wall of the containing groove 11.The two ends of the reset spring 5 are respectively inserted into the first installation groove 33 or the second installation groove 12, and the reset spring 5 is hidden in the first installation groove 33 when the reset spring 5 is compressed.
[0032] With reference to Figure 6 , Figure 9 and Figure 10, in order to avoid the position deviation of the rotating rod 3 in the process of lifting, the vertical limiting boss 13 is arranged on the inner side wall of the accommodating groove 11, and the first limiting groove 14 is formed between the limiting boss 13 and the bottom wall of the accommodating groove 11, and the height of the first limiting groove 14 is slightly larger than the thickness of the limiting plate part 32; and the corresponding limiting slot 321 is formed on the limiting plate part 32 of the rotating rod 3. When the damper is needed to be used, the rotating rod 3 is rotated so that the limiting slot 321 on the limiting plate part 32 corresponds to the position of the limiting boss 13; in the process of lifting driven by the reset spring 5, the limiting boss 13 is located in the limiting slot 321 of the limiting plate part 32, and the limiting plate part 32 slides upward along the limiting boss 13. When the damper is not used, the rotating rod 3 is rotated so that the limiting plate part 32 is clamped in the first limiting groove 14, thereby limiting the vertical direction of the limiting plate part 32 of the rotating rod 3 by the limiting boss 13, so as to avoid the rotating rod 3 and the lock sleeve 4 from being pulled out of the through hole 21 under the action of the reset spring 5.
[0033] With reference to Figure 5 And Figure 10 , in order to accurately control the rotation amount of the rotating rod 3, so that the limiting slot 321 on the limiting plate part 32 accurately corresponds to the limiting boss 13 on the inner side wall of the accommodating groove 11. The limiting block 34 is arranged on the limiting plate part 32 of the rotating rod 3, and the corresponding second limiting groove 43 is formed on the bottom end of the lock sleeve 4; after the rod body part 31 of the rotating rod 3 is inserted into the rotating hole 41 of the lock sleeve 4, the limiting block 34 is clamped in the second limiting groove 43 at the bottom end of the lock sleeve 4. The rotating rod 3 is rotated clockwise until the limiting block 34 abuts against one side wall of the second limiting groove 43, and the limiting slot 321 on the limiting plate part 32 accurately corresponds to the limiting boss 13; the lock sleeve 4 and the rotating rod 3 are pressed to compress the reset spring 5, and the rotating rod 3 is rotated counterclockwise, and when the limiting block 34 abuts against the other side wall of the second limiting groove 43, it indicates that the limiting plate part 32 is stably clamped in the first limiting groove 14 at the bottom end of the limiting boss 13, and the limiting boss 13 has a good limiting effect on the vertical direction of the rotating rod 3.
[0034] With reference to Figure 8 , in order to facilitate the user to understand and use the damper, the rotating groove 35 is arranged at the top end of the rotating rod 3, and the rotating mark 44 is arranged above the lock sleeve 4, when the rotating rod 3 needs to be rotated, a coin or the like can be inserted into the rotating groove 35 to rotate, and the rotating groove 35 at the top end of the rotating rod 3 facilitates the user to rotate the rotating rod 3; and the rotating mark 44 facilitates the user to understand the rotating direction of the rotating rod 3, so as to avoid the user to rotate in the wrong direction.
[0035] With reference to Figure 5 And Figure 10When the rotating rod 3 is rotated, the third installation slot 36 is formed on the upper end of the rod body 31 of the rotating rod 3, the abutting spring 37 is arranged in the third installation slot 36, and the abutting piece 38 is arranged on the end of the abutting spring 37 close to the inner wall of the lock sleeve 4. The shape of the abutting piece 38 is spherical, the abutting piece 38 is embedded in the abutting spring 37, and the abutting piece 38 and the abutting spring 37 are relatively movable. The abutting piece 38 is abutted against the inner wall of the lock sleeve 4 under the action of the abutting spring 37. Correspondingly, the first recess 45 and the second recess 46 are vertically formed on the inner wall of the lock sleeve 4, and the abutting piece 38 is clamped in the first recess 45 or the second recess 46 under the action of the abutting spring 37, so as to prevent the rotating rod 3 and the lock sleeve 4 from being loose relative to each other.
[0036] The position of the third installation slot 36 is on the same vertical plane as the position of the limiting block 34, so that the positions of the first recess 45 and the second recess 46 are above the two sides of the second limiting slot 43. When the limiting groove 321 on the limiting plate 32 is accurately matched with the limiting boss 13, and the limiting block 34 is abutted against one side wall of the second limiting slot 43, the abutting piece 38 is clamped into the first recess 45 under the action of the abutting spring 37. When the rotating rod 3 is rotated to make the limiting block 34 abut against the other side wall of the second limiting slot 43, the abutting piece 38 is clamped into the second recess 46 under the action of the abutting spring 37.
[0037] The specific implementation principle of the embodiment is that when the door stopper needs to be installed, the base 1 is embedded in the ground, the fixed plate 2 is flush with the ground after installation, and the bolt is arranged in the bolt hole 22 of the fixed plate 2 and is locked and fixed to the ground. When the door stopper needs to be used to stop the door, a coin or the like is clamped in the rotating groove 35 at the top end of the rotating rod 3 and the rotating rod 3 is rotated clockwise until the limiting block 34 abuts against one side wall of the second limiting slot 43. At this time, the limiting groove 321 of the limiting plate 32 is aligned with the limiting boss 13 on the inner wall of the accommodating groove 11, and the abutting piece 38 is clamped into the first recess 45 under the action of the abutting spring 37, so as to prevent the rotating rod 3 and the lock sleeve 4 from being rotated relative to each other. The rotating rod 3 and the lock sleeve 4 are lifted and arranged out of the through hole 21 of the fixed plate 2 under the action of the reset spring 5, and the limiting part 42 on the lock sleeve 4 abuts against the bottom end of the fixed plate 2.
[0038] When it is needed to end the use of the door closer, the rotating rod 3 and the lock sleeve 4 are pressed downward to compress the reset spring 5, and the compression of the reset spring 5 is continued until the bottom end of the rotating rod 3 abuts against the bottom wall of the accommodating groove 11. Then a coin or the like is clamped in the rotating groove 35 at the top end of the rotating rod 3 and the rotating rod 3 is rotated counterclockwise until the limiting block 34 abuts against the other side wall of the second limiting groove 43, at this time the abutting member 38 is clamped into the second recess 46 under the action of the abutting spring 37, and the limiting plate part 32 is clamped into the first limiting groove 14 at the bottom end of the limiting boss 13, and the vertical direction of the rotating rod 3 is limited by the limiting boss 13. The opening and closing of the embedded door closer are very fast and convenient, and are not prone to failure, and have a longer service life.
[0039] The utility model is described above in conjunction with the drawings, and obviously the specific implementation of the utility model is not limited by the above mode, and various non-substantial improvements using the method concept and technical scheme of the utility model or direct application of the concept and technical scheme of the utility model to other occasions without improvement are all within the protection of the utility model.
Claims
1. An in-line choke, characterized by: Including base, fixed plate, rotating rod, lock sleeve and reset spring, the base is opened and forms containing groove, the fixed plate is opened and forms through hole, the fixed plate fixed cover is equipped on the base, the inner side wall of containing groove is provided with limiting boss along its vertical direction, the limiting boss and the bottom wall of base form first limiting groove; The rotating rod includes rod body part and limiting plate part, the limiting plate part is located at the bottom end of the rod body part, the limiting plate part is opened and forms let go groove on one side, the lock sleeve is opened and forms rotating hole, the rod body part is inserted into the rotating hole from the bottom end of the lock sleeve; The rotating rod and the lock sleeve are inserted into the containing groove, the reset spring is arranged between the rotating rod and the bottom wall of the containing groove, and the rotating rod and the lock sleeve can be driven to be inserted out of the through hole, the bottom end of the lock sleeve is provided with limiting part, and the fixed plate limits the limiting part.
2. An in-line check valve according to claim 1, wherein: The bottom end of the rotating rod is opened and forms first installation groove, the bottom wall surface of the containing groove is opened and forms second installation groove, and the two ends of the reset spring are respectively inserted into the first installation groove and the second installation groove.
3. The recessed damper according to claim 1, wherein: The bottom end of the lock sleeve is opened and forms second limiting groove, the limiting plate part of the rotating rod is provided with limiting block, and the limiting block is clamped in the second limiting groove.
4. The recessed damper according to claim 1, wherein: The upper end of one side of the rod body part is opened and forms third installation groove, the third installation groove is provided with abutting spring, and the end of the abutting spring close to the lock sleeve is provided with abutting piece.
5. An in-line check valve according to claim 4, wherein: The shape of the abutting piece is spherical, the abutting piece is embedded in one end of the abutting spring, and the abutting piece is movably connected with the abutting spring.
6. An in-line check valve according to claim 5, wherein: The inner side wall of the lock sleeve is vertically opened and forms first groove and second groove, and the abutting piece can be embedded in the first groove or the second groove under the action of the abutting spring.
7. The recessed damper according to claim 1, wherein: The top end surface of the rotating rod is opened and forms rotating groove.
8. The recessed damper according to claim 1, wherein: The top end surface of the lock sleeve is provided with rotating mark.
9. The recessed damper according to claim 1, wherein: The surface of the fixed plate is provided with a plurality of bolt holes for blocking door device installation and fixation.