CN210636960U

CN210636960U - Anti-rebound door knob

Info

Publication number: CN210636960U
Application number: CN201921311316.7U
Authority: CN
Inventors: 张秦鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-29
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a prevent bounce-back door knob belongs to the door knob technical field. The technical problem that the existing door stopper can be rebounded and separated in the resetting process is solved. This prevent bounce-back door knob include the pedestal and with pedestal axial sliding connection's collision head, be equipped with between collision head and the pedestal and have the bolster that can drive the collision head and keep away from pedestal motion trend, still be equipped with between collision head and the pedestal and have the spring part that can drive the collision head towards pedestal motion trend, the spring part is arranged along the axial of pedestal. The anti-rebound door stopper can avoid the situation that the collision head generates rigid collision with the seat body when rebounding and rebounds and breaks away, thereby ensuring the suction effect.

Description

Anti-rebound door knob

Technical Field

The utility model belongs to the technical field of the base knob, a prevent rebound base knob is related to.

Background

The door is in order to prevent that the door from receiving external force to influence random rotation when opening, sets up the knocker between the back lower part of general door and the wall, thereby the current knocker will inhale seat and inhale two parts of post and inhale the door together through magnet suction and fix, like when the rotatory speed of door is very fast when the actuation, inhale the sound of sending the striking between seat and the inhaling post, also damage the knocker and influence the life of knocker moreover easily. In order to solve the problem, technicians in the field add a buffer component such as a spring in the door stopper, and the impact of door body collision is digested through the deformation of the buffer component, so that the silencing effect is achieved.

The applicant develops and applies a door knob structure capable of absorbing energy in a collision mode and resetting slowly, and the applicant develops and develops the door knob structure capable of reducing rebound and separation of the door knob in the resetting process continuously on the basis, so that the overall structure is simpler and more durable, the cost is saved, and the requirements of customers are met better.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a prevent bounce door and bump, the utility model aims to solve the technical problem that: how to avoid the door body from rebounding after buffering to influence the suction effect.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a prevent bounce-back door knob, including the pedestal and with pedestal axial sliding connection's collision head, be equipped with between collision head and the pedestal and have and drive the collision head and keep away from the bolster of pedestal motion trend, its characterized in that, still be equipped with between collision head and the pedestal and have and drive the spring part of collision head towards the pedestal motion trend, the spring part is arranged along the axial of pedestal.

The door body can atress move towards the pedestal after opening the back collision head, because the effect of bolster can reduce the rate of motion of the door body to zero gradually through the stroke displacement this moment to avoid the rigidity collision, reach the buffering effect. Through the spring part that has the ability to drive collision head towards pedestal motion trend between collision head and pedestal, the spring part can support collision head jointly with the bolster like this, thereby make collision head be in the middle equilibrium state of relative pedestal motion stroke, fall to zero back when collision head under the effect of bolster after, the bolster release potential energy promotes collision head to kick-back, the spring part can intervene in the motion production buffer resistance to collision head in collision head's motion stroke like this, produce rigid collision with the pedestal and the rebound breaks away from when avoiding collision head to kick-back, thereby guarantee the actuation effect.

In foretell anti-bounce base knob, the overhead stroke chamber of having seted up of collision, the bolster is located the stroke intracavity, the one end of pedestal slides and inserts and locates the stroke intracavity, the outer peripheral face of pedestal has to keep off along one, the stroke chamber lateral wall of collision head has to keep off along two, keep off along one and be located keep off between the bottom surface in two and the stroke chamber, the spring part supports along two with keeping off along one respectively and keeping off along two with keeping off along two for the both ends of pressure spring and spring part. Through set up the stroke chamber on the collision head, set up the bolster at the stroke intracavity, the one end slide of pedestal is inserted and is established in the stroke intracavity, the bolster can lean on with the one end of collision head and pedestal respectively like this, and set up at the outer peripheral face of pedestal and keep off along one, lateral wall in the stroke chamber sets up and keeps off along an axial just right fender along two, keep off along one all the time to be located to keep off along two with the bottom surface in stroke chamber like this, and the both ends of spring part lean on along one with keeping off along two respectively, can realize controlling the position of collision head at middle stroke state through keeping off along one and keeping off along two and the cooperation of pressure spring like this, guarantee that collision head reciprocating motion all has the cushioning effect, avoid rigid collision to cause the bounce-.

As another scheme, a stroke cavity is formed in the collision head, the buffer member is located in the stroke cavity, one end of the base body is slidably inserted into the stroke cavity, the spring member is a tension spring, and two ends of the spring member are respectively connected with the bottom of the stroke cavity and the base body. Through set up the stroke chamber on the collision head, make the bolster be located the stroke intracavity, and set up the spring part and be the extension spring, make the both ends of extension spring be connected with collision head and pedestal respectively, the extension spring is tensile like this and bolster formation balance, with collision head's position control at middle stroke state, guarantee that collision head reciprocating motion all has the buffering effect, also can avoid rigid collision to cause the bounce-back.

As another scheme, the overhead stroke chamber of having seted up of collision, the one end of pedestal slides and inserts and locate the stroke intracavity, the outer peripheral face of pedestal has to keep off along one, the stroke chamber lateral wall of collision head has to keep off along two, keep off along one to be located keep off along between two and the bottom surface in stroke chamber, the spring part is the both ends of pressure spring and spring part respectively with keep off along one and keep off along two to lean on, the other end of pedestal is equipped with the mounting disc, the bolster is located collision head with between the mounting disc. Through set up the stroke chamber on the collision head, the one end of pedestal is slided and is inserted and establish in the stroke intracavity, the bolster can lean on with the one end of collision head and pedestal respectively like this, and set up in the outer peripheral face of pedestal and keep off along one, lateral wall in stroke chamber sets up and keeps off along an axial just right fender edge two, keep off along one all the time to be located between keeping off along two and the bottom surface in stroke chamber like this, and the both ends of spring part lean on along one with keeping off along two with keeping off respectively, and the both ends of bolster lean on with the mounting disc of collision head and the pedestal other end respectively, bolster and pressure spring cooperation can realize with the position control of collision head at middle stroke state, guarantee that collision head reciprocating motion all has the buffering effect, avoid rigid collision to cause the bounce.

As another scheme, the pedestal has been seted up the stroke chamber, the bolster is located the stroke intracavity, the one end of collision head slides and inserts and locate the stroke intracavity, the stroke chamber lateral wall of pedestal has to keep off along one, the outer peripheral face of collision head has to keep off along two, keep off along two being located keep off along one and between the bottom surface in stroke chamber, the spring part is the both ends of pressure spring and spring part and keeps off along one and keep off along two to lean on with keeping off respectively. Through set up the stroke chamber on the pedestal, make the one end of colliding the head slide and insert and establish in the stroke intracavity, set up on the pedestal stroke chamber lateral wall and keep off along one, set up on the collision head and keep off along two, make the spring part for the pressure spring and respectively with keep off along one and keep off along two to lean on, the position control with the collision head can be realized in middle stroke state to the pressure spring and bolster cooperation like this, guarantees that collision head reciprocating motion all has buffering effect, avoids rigid collision to cause the bounce-back.

In the anti-rebound door stopper, the spring member is sleeved on the periphery of the seat body or the collision head. The spring part is sleeved on the periphery of the seat body or the collision head, so that the position stability of the spring part is guaranteed, and the normal work of the door collision is guaranteed.

In the anti-rebound door stopper, the spring element is a tower-shaped pressure spring or a spherical pressure spring. Through setting up the spring part for turriform pressure spring or spherical pressure spring, the space that the spring part occupy after the pressurized is littleer like this, does benefit to the structural layout of knocker.

In the anti-rebound door stopper, the stopper head comprises an upper shell and a lower shell which are in threaded connection with each other, and the blocking edge II is positioned on the lower shell. Through setting up the upper casing and the inferior valve that the collision head includes mutual spiro union, the pedestal of being convenient for cup joints the assembly with the collision head like this, improves production efficiency.

In the anti-rebound door stopper, an annular friction ring is embedded between the first blocking edge and the collision head and/or between the second blocking edge and the seat body. Through keeping off and inlay between edge one and the collision head and/or keeping off and be equipped with annular friction circle between edge two and the pedestal, the friction circle can lean on the contact with the lateral wall in stroke chamber or pedestal or collision head like this, and the speed of collision head can be alleviated through the friction to the friction circle when the collision head moves, further reduces to lead to breaking away from because of the too big rigidity that leads to of collision head impact volume resets.

In the anti-rebound door stopper, the seat body or the collision head is provided with a buffer block for preventing the seat body and the collision head from rigidly colliding. The buffer block is arranged on the seat body or the collision head, so that the collision head is prevented from being in rigid contact with the seat body in the reciprocating motion process relative to the seat body, and the service life is prolonged.

Compared with the prior art, the utility model has the advantages as follows:

this prevent door of bounce-back bumps has the spring part that can drive collision head towards pedestal motion trend through setting up between collision head and pedestal, the spring part can support collision head jointly with the bolster like this, thereby make collision head be in the middle balanced state of relative pedestal motion stroke, fall to zero back when collision head at the effect of bolster after the speed, the bolster release potential energy promotes the first kick-back of collision, the spring part can intervene the motion production buffer resistance to collision head in collision head's motion stroke like this, produce the rigidity collision with the pedestal when avoiding collision head to kick-back and the bounce-back breaks away from appears, thereby guarantee the actuation effect.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment.

Fig. 2 is a schematic cross-sectional structure diagram of the first embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic cross-sectional structure diagram of the second embodiment.

FIG. 5 is a schematic cross-sectional view of the third embodiment.

FIG. 6 is a schematic cross-sectional view of the fourth embodiment.

In the figure, 1, a seat body; 11. a first blocking edge; 12. mounting a disc;

2. a collision head; 21. a second blocking edge; 22. an upper shell; 23. a lower case;

3. a buffer member; 4. a spring member; 5. a stroke chamber; 6. a friction ring; 7. and a buffer block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

as shown in fig. 1-3, the door latch for preventing reverse bounce comprises a base body 1 and a collision head 2 axially and slidably connected with the base body 1, wherein a buffer member 3 capable of driving the collision head 2 to move away from the base body 1 is arranged between the collision head 2 and the base body 1, the buffer member 3 can be a pressure spring or a commercially available damping rod member, a spring member 4 capable of driving the collision head 2 to move towards the base body 1 is further arranged between the collision head 2 and the base body 1, and the spring member 4 is arranged along the axial direction of the base body 1. The door body can be atress towards pedestal 1 motion after opening back collision head 2, because the effect of bolster 3 can reduce the rate of motion of the door body to zero gradually through the stroke displacement this moment to avoid the rigidity collision, reach buffering effect. Through set up the spring part 4 that has the tendency of driving collision head 2 towards base 1 motion between collision head 2 and base 1, spring part 4 can support collision head 2 jointly with bolster 3 like this, thereby make collision head 2 be in the middle equilibrium state of relative base 1 motion stroke, after collision head 2 falls to zero at the effect of bolster 3 effect speed, bolster 3 release potential energy promotes collision head 2 to kick-back, spring part 4 can intervene the motion production buffer resistance to collision head 2 in collision head 2's motion stroke like this, produce the rigidity collision and appear the bounce-back and break away from with base 1 when avoiding collision head 2 to kick-back, thereby guarantee the actuation effect. Specifically, a stroke cavity 5 is formed in the collision head 2, the buffer member 3 is located in the stroke cavity 5, one end of the base body 1 is slidably inserted into the stroke cavity 5, a first blocking edge 11 is arranged on the outer peripheral surface of the base body 1, a second blocking edge 21 is arranged on the side wall of the stroke cavity 5 of the collision head 2, the first blocking edge 11 is located between the second blocking edge 21 and the bottom surface of the stroke cavity 5, the spring member 4 is a compression spring, and two ends of the spring member 4 are respectively abutted against the first blocking edge 11 and the second blocking edge 21. Through set up stroke chamber 5 on collision head 2, set up bolster 3 in stroke chamber 5, the one end slide of pedestal 1 is inserted and is established in stroke chamber 5, bolster 3 can support with collision head 2 and one end of pedestal 1 respectively like this, and set up on the outer peripheral face of pedestal 1 and keep off along one 11, set up with keeping off along one 11 axial dead against fender along two 21 at the lateral wall of stroke chamber 5, keep off along one 11 and lie in all the time between keeping off along two 21 and the bottom surface of stroke chamber 5 like this, and the both ends of spring part 4 support with keeping off along one 11 and keeping off along two 21 respectively and support and lean on, can realize controlling collision head 2's position at middle stroke state through keeping off along one 11 and keeping off along two 21 and the cooperation of pressure spring, guarantee that collision head 2 reciprocating motion all has the cushioning effect, avoid rigid collision to cause the bounce. The spring element 4 is sleeved on the periphery of the seat body 1. The spring part 4 is sleeved on the periphery of the base body 1, so that the position stability of the spring part 4 is guaranteed, and the normal work of the door stopper is guaranteed. Furthermore, annular friction rings 6 are embedded in the outer peripheral surface of the first blocking edge 11 and the inner edge surface of the second blocking edge 21. Through keeping off along the outer peripheral face of 11 and inlaying annular friction circle 6, friction circle 6 can lean on the contact with the lateral wall of stroke chamber 5 like this, and another friction circle 6 can contact with pedestal 1 outer peripheral face simultaneously, and the speed of collision head 2 can be alleviated through the friction to friction circle 6 when collision head 2 moves, further reduces to lead to breaking away from because of the too big rigidity that leads to of collision head 2 momentum resets.

Example two:

as shown in fig. 4, the present embodiment is substantially the same as the first embodiment, except that: the collision head 2 is provided with a stroke cavity 5, the buffer member 3 is positioned in the stroke cavity 5, one end of the seat body 1 is inserted in the stroke cavity 5 in a sliding manner, the spring member 4 is a tension spring, and two ends of the spring member 4 are respectively connected with the bottom of the stroke cavity 5 and the seat body 1. Through set up stroke chamber 5 on collision head 2, make bolster 3 be located stroke chamber 5, and set up spring part 4 and be the extension spring, make the both ends of extension spring be connected with collision head 2 and pedestal 1 respectively, the extension spring is tensile like this and bolster 3 forms balancedly, with collision head 2's position control at middle stroke state, guarantee that collision head 2 reciprocating motion all has the buffering effect, also can avoid rigid collision to cause the bounce-back.

Example three:

as shown in fig. 5, the present embodiment is substantially the same as the first embodiment, except that: the collision head 2 is provided with a stroke cavity 5, one end of the base body 1 is slidably inserted into the stroke cavity 5, the outer peripheral surface of the base body 1 is provided with a first blocking edge 11, the side wall of the stroke cavity 5 of the collision head 2 is provided with a second blocking edge 21, the first blocking edge 11 is positioned between the second blocking edge 21 and the bottom surface of the stroke cavity 5, the spring element 4 is a pressure spring, two ends of the spring element 4 respectively abut against the first blocking edge 11 and the second blocking edge 21, the other end of the base body 1 is provided with a mounting disc 12, and the buffer element 3 is positioned between the collision head 2 and the mounting disc 12. Through set up stroke chamber 5 on collision head 2, the one end of pedestal 1 is slided and is inserted and establish in stroke chamber 5, bolster 3 can lean on with collision head 2 and one end of pedestal 1 respectively like this, and set up on the peripheral face of pedestal 1 and keep off along one 11, set up with keeping off along one 11 axial just right fender along two 21 at the lateral wall of stroke chamber 5, keep off along one 11 and lie in all the time and keep off along between two 21 and the bottom surface of stroke chamber 5 like this, and the both ends of spring part 4 lean on with keeping off along one 11 and keeping off along two 21 respectively, and the both ends of bolster 3 lean on with collision head 2 and the mounting disc 12 of the pedestal 1 other end respectively, bolster 3 and pressure spring cooperation can realize with collision head 2's position control at middle stroke state, guarantee that collision head 2 reciprocating motion all has the cushioning effect, avoid the rigidity collision to cause the bounce. The collision head 2 includes an upper shell 22 and a lower shell 23 screwed to each other, and a second retaining edge 21 is provided on the lower shell 23. Through setting up collision head 2 and including the epitheca 22 and the inferior valve 23 of mutual spiro union, the pedestal 1 of being convenient for cup joints the assembly with collision head 2 like this, improves production efficiency. The seat body 1 or the collision head 2 is provided with a buffer block 7 for preventing the seat body 1 and the collision head 2 from rigidly colliding. Through set up buffer block 7 on pedestal 1 or collision head 2, avoid collision head 2 to take place rigid contact with pedestal 1 in the in-process of relative pedestal 1 reciprocating motion like this, improve life.

Example four:

as shown in fig. 6, the present embodiment is substantially the same as the first embodiment, except that: the base body 1 is provided with a stroke cavity 5, the buffer member 3 is positioned in the stroke cavity 5, one end of the collision head 2 is slidably inserted in the stroke cavity 5, the side wall of the stroke cavity 5 of the base body 1 is provided with a first blocking edge 11, the peripheral surface of the collision head 2 is provided with a second blocking edge 21, the second blocking edge 21 is positioned between the first blocking edge 11 and the bottom surface of the stroke cavity 5, and the spring member 4 is a pressure spring, and two ends of the spring member 4 are respectively abutted against the first blocking edge 11 and the second blocking edge 21. Through set up stroke chamber 5 on pedestal 1, make the one end of colliding head 2 slide to insert and establish in stroke chamber 5, set up on the 5 lateral walls in 1 stroke chamber of pedestal and keep off along one 11, set up on colliding head 2 and keep off along two 21, make spring part 4 for the pressure spring and respectively with keep off along one 11 and keep off along two 21 to lean on, the pressure spring can realize colliding the position control of head 2 in the middle stroke state with the cooperation of bolster 3 like this, guarantee that colliding head 2 reciprocating motion all has buffering effect, avoid rigid collision to cause the bounce-back. The spring element 4 is sleeved on the periphery of the collision head 2. Through setting up 4 covers of spring part and locating collision head 2's periphery, guarantee the stable in position of spring part 4 like this, guarantee the normal work of door knob. An annular friction ring 6 is embedded on the outer peripheral surface of the second retaining edge 21. Through the annular friction ring 6 embedded in the outer peripheral surface of the second stop edge 21, the friction ring 6 can be abutted and contacted with the side wall of the stroke cavity 5, the speed of the collision head 2 can be relieved by the friction ring 6 when the collision head 2 moves, and the separation caused by rigid reset caused by overlarge impulse of the collision head 2 is further reduced. Preferably, the spring element 4 is a tower-shaped compression spring. Through setting up spring part 4 for the turriform pressure spring, the axial space that spring part 4 took after the pressurized is littleer like this, does benefit to the structural layout of knocker.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an anti-bounce base knob, including pedestal (1) and with pedestal (1) axial sliding connection's collision head (2), be equipped with between collision head (2) and pedestal (1) and have and drive collision head (2) and keep away from bolster (3) of pedestal (1) motion trend, a serial communication port, still be equipped with between collision head (2) and pedestal (1) and have and drive collision head (2) towards spring part (4) of pedestal (1) motion trend, the axial arrangement of pedestal (1) is followed in spring part (4).

2. The door collision against rebounding according to claim 1, wherein a stroke cavity (5) is formed in the collision head (2), the buffer member (3) is located in the stroke cavity (5), one end of the base body (1) is slidably inserted into the stroke cavity (5), a first blocking edge (11) is arranged on the outer peripheral surface of the base body (1), a second blocking edge (21) is arranged on the side wall of the stroke cavity (5) of the collision head (2), the first blocking edge (11) is located between the second blocking edge (21) and the bottom surface of the stroke cavity (5), and the spring member (4) is a pressure spring and the two ends of the spring member (4) abut against the first blocking edge (11) and the second blocking edge (21) respectively.

3. The door collision against rebounding according to claim 1, wherein a stroke cavity (5) is formed in the collision head (2), the buffer member (3) is located in the stroke cavity (5), one end of the seat body (1) is slidably inserted into the stroke cavity (5), the spring member (4) is a tension spring, and two ends of the spring member (4) are respectively connected with the bottom of the stroke cavity (5) and the seat body (1).

4. The door collision against rebounding according to claim 1, wherein a stroke cavity (5) is formed in the collision head (2), one end of the base body (1) is slidably inserted into the stroke cavity (5), a first blocking edge (11) is arranged on the outer peripheral surface of the base body (1), a second blocking edge (21) is arranged on the side wall of the stroke cavity (5) of the collision head (2), the first blocking edge (11) is located between the bottom surfaces of the second blocking edge (21) and the stroke cavity (5), the two ends of the spring element (4) are respectively abutted against the first blocking edge (11) and the second blocking edge (21), a mounting disc (12) is arranged at the other end of the base body (1), and the collision head (2) and the mounting disc (12) are located by the buffer element (3).

5. The door collision against rebounding according to claim 1, characterized in that a stroke cavity (5) is opened on the seat body (1), the buffer member (3) is located in the stroke cavity (5), one end of the collision head (2) is slidably inserted into the stroke cavity (5), a side wall of the stroke cavity (5) of the seat body (1) is provided with a first blocking edge (11), an outer peripheral surface of the collision head (2) is provided with a second blocking edge (21), the second blocking edge (21) is located between the bottom surfaces of the first blocking edge (11) and the stroke cavity (5), and the two ends of the spring member (4) are compressed springs and the two ends of the spring member (4) abut against the first blocking edge (11) and the second blocking edge (21) respectively.

6. The anti-bounce door stopper according to claim 2, 4 or 5, characterized in that the spring member (4) is sleeved on the periphery of the seat body (1) or the collision head (2).

7. The anti-bounce door stop according to claim 1, 2, 4 or 5, characterized in that the spring member (4) is a tower-shaped compression spring or a spherical compression spring.

8. The anti-bounce door strike according to claim 4, characterized in that the impact head (2) comprises an upper shell (22) and a lower shell (23) screwed to each other, the second catch edge (21) being located on the lower shell (23).

9. Anti-bounce door strike according to claim 2, 4 or 5, characterized in that an annular friction ring (6) is embedded between the first catch edge (11) and the impact head (2) and/or between the second catch edge (21) and the seat body (1).

10. The anti-bounce door stop according to claim 1, 2, 4 or 5, characterized in that the seat body (1) or the impact head (2) is provided with a bumper (7) for preventing the seat body (1) and the impact head (2) from rigidly colliding.