Pressure spring type buffer

Abstract

A pressure spring type buffer comprises a buffer base, a buffer trigger hook and a damping cylinder, the buffer base is provided with a buffer groove, a sliding opening and a guide groove, the buffer trigger hook and the damping cylinder are both arranged in the buffer groove, and the buffer trigger hook is provided with a guide column matched with the guide groove for movable guiding; the buffer triggering hook is connected with a buffer sliding seat, the fixed end of the damping cylinder is connected with the buffer base, and the telescopic end of the damping cylinder is connected with the buffer sliding seat; a compression spring is arranged in the buffer groove, one end of the compression spring is connected with the buffer base, and the other end of the compression spring is connected with the buffer sliding seat. According to the utility model, the compression spring is linked with the buffer triggering hook, and compared with an extension spring, the compression spring is not easy to wear and damage and has longer service life, so that the service life of the buffer is effectively prolonged. In addition, the compression spring is partially sleeved outside the telescopic end of the damping cylinder, so that the installation space of the compression spring is saved, the overall size of the whole buffer is reduced, and the manufacturing material cost of the buffer is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to buffer technology field, concretely relates to a compression spring buffer. BACKGROUND

[0002] The buffer is used for reducing the impact force when the sliding door collides with the outer frame of the door leaf during the opening and closing of the sliding door.

[0003] Referring to the technical scheme of authorization announcement No. CN208456356U and the technical scheme of authorization announcement No. CN215443643U, the existing buffer usually adopts a tension spring to cooperate with a buffer trigger hook to buffer and a damping cylinder to reset after buffering, and the end of the tension spring is prone to fatigue fracture under repeated impact during work, thereby affecting the service life of the buffer. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, the utility model provides a compression spring buffer.

[0005] The utility model solves the technical problems thereof by adopting the technical scheme of:

[0006] A compression spring buffer, comprising a buffer base, a buffer trigger hook and a damping cylinder, the buffer base is provided with a buffer groove in the inside thereof, a sliding opening on the top thereof and a guide groove on the side surface thereof, the buffer trigger hook and the damping cylinder are arranged in the buffer groove, the trigger end of the buffer trigger hook extends out of the buffer groove from the sliding opening, the buffer trigger hook is provided with a guide column that cooperates with the guide groove to move and guide, characterized in that: the buffer trigger hook is connected with a buffer sliding seat, the fixed end of the damping cylinder is connected with the buffer base, and the telescopic end is connected with the buffer sliding seat; a compression spring is arranged in the buffer groove, one end of the compression spring is connected with the buffer base, and the other end is connected with the buffer sliding seat.

[0007] In the utility model, the buffer base comprises a first base and a second base that are connected together, the first base is provided with a first half groove, the second base is provided with a second half groove, and the first half groove and the second half groove combine to form the buffer groove.

[0008] In the utility model, the guide grooves are arranged on the first base and the second base, the guide grooves on the first base and the second base are oppositely arranged, and the guide columns that extend into the guide grooves are arranged on the opposite sides of the buffer trigger hook.

[0009] In the utility model, the first base and the second base are equipped with clamping buckle grooves, the clamping buckle groove on the first base and the clamping buckle groove on the second base correspond and are composed into fixed end buckle grooves, the fixed end of the damping cylinder is equipped with a fixed end head, and the fixed end head is adapted in the fixed end buckle groove.

[0010] In the utility model, the buffer base further includes a movable mounting seat, the movable mounting seat is located at one end of the buffer base away from the movable mounting part, and the movable mounting seat is detachably connected with the first base and the second base.

[0011] In the utility model, the buffer base is sleeved with a reinforcing sleeve, the reinforcing sleeve is equipped with a trigger hook avoiding port for avoiding the buffer trigger hook, the trigger end of the buffer trigger hook is stretched out outside the buffer base through the trigger hook avoiding port, and the reinforcing sleeve wraps and shields the outer side of the guide groove.

[0012] In the utility model, the buffer slide base includes a first slide base and a slide base lock block connected together, the first slide base is connected with the buffer trigger hook, and at least part of the telescopic end of the damping cylinder is clamped and fixed between the first slide base and the slide base lock block.

[0013] In the utility model, the first slide base is equipped with a trigger hook movable groove, the lower end of the buffer trigger hook is stretched into the trigger hook movable groove, the buffer trigger hook is equipped with a guide avoiding port, and the guide column passes through the guide avoiding port.

[0014] In the utility model, the first slide base is equipped with a containing adaptive groove, the slide base lock block is adaptively installed in the containing adaptive groove, the containing adaptive groove and the slide base lock block are equipped with telescopic end adaptive grooves, the telescopic end adaptive grooves are equipped with telescopic end buckle grooves, at least part of the telescopic end of the damping cylinder is adaptively arranged in the telescopic end adaptive groove, and the telescopic end of the damping cylinder is equipped with a telescopic end buckle part adaptively arranged in the telescopic end buckle groove.

[0015] In the utility model, the buffer slide base further includes a second slide base, the second slide base is positioned and connected together with the first slide base and the slide base lock block, the second slide base is equipped with an extension shielding part, and the top of the extension shielding part and the top of the extension shielding part form a movable protective cover for shielding the sliding port.

[0016] The utility model discloses a beneficial effect: the utility model discloses a compression spring and buffer trigger hook linkage, compared with the tensile spring, the force of compression spring is more uniform, and the buffering effect is better, and the both ends of compression spring press and move mounting seat and buffer slide, eliminate stress concentration point, and the stress distribution of compression spring is more uniform, makes the fatigue life of compression spring promotion, simultaneously, the gap exists between the ring of compression spring, and the shrinkage deformation when being pressed, can reduce the friction between the ring of compression spring, compared with the pull rope spring, and compression spring is not easy to wear and tear, and the life is longer, thereby effectively prolongs the service life of buffer. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated below in combination with the drawings and the embodiment:

[0018] Figure 1 It is the perspective drawing of compression spring buffer;

[0019] Figure 2 It is the perspective drawing of compression spring buffer after reinforcing the casing;

[0020] Figure 3 It is the internal structure diagram of compression spring buffer;

[0021] Figure 4 It is the perspective drawing of buffer slide;

[0022] Figure 5 It is the partial parts explosion of compression spring buffer Figure 1 ;

[0023] Figure 6 It is the partial parts explosion of compression spring buffer Figure 2 ;

[0024] Figure 7 It is the partial parts explosion of compression spring buffer Figure 3 . DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0026] It should be noted that if the embodiments of the utility model have the directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial), the directional indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indication also changes accordingly.

[0027] Meanwhile, unless specifically defined otherwise and limited, the terms "set", "mount", "connected", "connected" should be broadly understood, for example, it can be fixedly connected by welding, or it can be detachably connected by bolt connection, or integrally connected, which can be mechanical connection, or electrical connection, which can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can be explicitly or implicitly included at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0029] Reference Figures 1-7 A compression spring buffer, comprising a buffer base 1, a buffer trigger hook 2 and a damping cylinder 3, the buffer base 1 is provided with a buffer groove 101 in the inside, a sliding port 102 on the top and a guide groove 103 on the side surface, the sliding port 102 and the guide groove 103 are communicated with the buffer groove 101. The buffer trigger hook 2 and the damping cylinder 3 are arranged in the buffer groove 101, the trigger end of the buffer trigger hook 2 extends out of the buffer groove 101 from the sliding port 102, the buffer trigger hook 2 is provided with a guide column 21 which cooperates with the guide groove 103 to move and guide; the buffer trigger hook 2 is connected with a buffer sliding seat 4, the fixed end of the damping cylinder 3 is connected with the buffer base 1, and the telescopic end is connected with the buffer sliding seat 4; the buffer groove 101 is provided with a compression spring 5, one end of the compression spring 5 is connected with the buffer base 1, and the other end is connected with the buffer sliding seat 4.

[0030] In the embodiment, the damping cylinder 3 adopts a damping oil cylinder, the fixed end of the damping cylinder 3 is the piston rod of the damping cylinder 3, and the telescopic end is the cylinder body of the damping cylinder 3.

[0031] In the embodiment, the buffer base 1 comprises a first base 11 and a second base 12 connected together, the first base 11 is provided with a first half groove, the second base 12 is provided with a second half groove, and the first half groove and the second half groove combine to form the buffer groove 101. Specifically, the first base 11 is provided with a base buckle part 111 and a base screw hole 112, the second base 12 is provided with a base buckle groove 121 and a base through hole 122, the base buckle part 111 and the base buckle groove 121 are buckled together to realize the combined connection between the first base 11 and the second base 12, and the first screw 13 is threaded into the base screw hole 112 through the base through hole 122. Of course, in other embodiments, the first base 11 and the second base 12 are combined and connected together by buckling or bolt connection.

[0032] Further, the first base 11 and the second base 12 are both provided with the guide groove 103, the guide groove 103 on the first base 11 and the guide groove 103 on the second base 12 are oppositely arranged, and the buffer trigger hook 2 is provided with the guide column 21 extending into the guide groove 103 on the opposite sides.

[0033] Further, the first base 11 and the second base 12 are both provided with the clamping buckle groove 14, the clamping buckle groove 14 on the first base 11 and the clamping buckle groove 14 on the second base 12 correspond to and form a fixed end buckle groove, the fixed end of the damping cylinder 3 is provided with a fixed end head 31, and the fixed end head 31 is fitted in the fixed end buckle groove, so that when the first base 11 and the second base 12 are connected together, the fixed end of the damping cylinder 3 is connected to the buffer base 1.

[0034] In the embodiment, the first base 11 is provided with a moving mounting part 113, the buffer base 1 further comprises a moving mounting seat 15, the moving mounting seat 15 is located at one end of the buffer base 1 away from the moving mounting part 113, the moving mounting seat 15 is detachably connected with the first base 11 and the second base 12, and the moving mounting part 113 and the moving mounting seat 15 are both provided with a guide wheel mounting hole and a door plate mounting hole, the guide wheel mounting hole is used for installing a pulley module, and the door plate mounting hole is used for cooperating with a clamp to install a door plate.

[0035] Furthermore, the movable mounting base 15 is provided with a mounting base slot 151. The first base 11 and the second base 12 are each provided with a mounting insert 100 protruding from one end of the mounting base slot 151. The mounting insert 100 on the first base 11 and the mounting insert 100 on the second base 12 are inserted into the mounting base slot 151. The movable mounting base 15 is connected to the mounting insert 100 by bolts, thereby realizing the mutual positioning and combination connection between the first base 11, the second base 12 and the movable mounting base 15.

[0036] Furthermore, in order to improve the positioning quality, the mounting insert 100 is provided with a mounting buckle 104, and the movable mounting base 15 is provided with a mounting buckle groove 152 for the mounting buckle 104 to be snapped into. Then, the movable mounting base 15 and the mounting insert 100 are fixed together by bolt connection.

[0037] In this embodiment, a reinforcing sleeve 6 is fitted onto the buffer base 1 to enhance the stability of the combination between the first base 11 and the second base 12. The reinforcing sleeve 6 is located on one end of the buffer base 1 with a guide groove 103. The reinforcing sleeve 6 is provided with a trigger hook avoidance opening 61 to avoid the buffer trigger hook 2. The trigger hook avoidance opening 61 corresponds to the sliding opening 102. The trigger end of the buffer trigger hook 2 extends out of the buffer base 1 through the trigger hook avoidance opening 61. The reinforcing sleeve 6 is arranged to cover and shield the outside of the guide groove 103. Furthermore, the buffer base 1 is provided with a housing mounting position 105 for the reinforcing housing 6. The reinforcing housing 6 is "U" shaped and includes a housing horizontal side and housing vertical sides located at both ends of the housing top edge. The housing horizontal side presses against the top of the buffer base 1. The trigger hook clearance opening 61 is located on the housing horizontal side. The first base 11 and the second base 12 are both provided with housing fasteners 106 located in the housing mounting position 105. The housing vertical sides respectively fit on the portions of the first base 11 and the second base 12 corresponding to the housing mounting position 105. The housing vertical sides are provided with housing fastening grooves 62 for the housing fasteners 106 to fasten into, so that the reinforcing housing 6 can be fastened onto the buffer base 1. The structure is simple and the installation is convenient. At the same time, the reinforcing housing 6 also wraps around the guide groove 103, improving the appearance of the buffer and making it difficult for debris to enter the guide groove 103.

[0038] In the embodiment, the buffer slide 4 comprises a first slide 41 and a slide lock block 42 connected together, the first slide 41 is connected with the buffer trigger hook 2, and the telescopic end of the damping cylinder 3 is at least partially clamped and fixed between the first slide 41 and the slide lock block 42, so that the telescopic end of the damping cylinder 3 is combined and connected with the buffer slide 4. Specifically, the first slide 41 is provided with a trigger hook movable slot 411, the lower end of the buffer trigger hook 2 extends into the trigger hook movable slot 411, the buffer trigger hook 2 is provided with a guide avoiding port 412, the guide column 21 passes through the guide avoiding port 412, each guide column 21 corresponds to a guide avoiding port 412, the guide avoiding port 412 allows the guide column 21 to pass through and fit in the guide groove 103, so as to ensure that the guide column 21 can be guided by the guide groove 103. At the same time, when the guide column 21 abuts against the wall surface of the guide avoiding port 412, the buffer trigger hook 2 and the buffer slide 4 can move synchronously, so as to realize the combined connection and linkage between the buffer trigger hook 2 and the buffer slide 4.

[0039] In the embodiment, the first slide 41 is provided with a containing and adapting slot 413, the slide lock block 42 is adapted and installed in the containing and adapting slot 413, and the first slide 41 and the slide lock block 42 are fixed together by means of bolt connection. The containing and adapting slot 413 and the slide lock block 42 are both provided with a telescopic end adapting groove 401, the telescopic end adapting groove 401 is provided with a telescopic end buckle groove 402, the telescopic end of the damping cylinder 3 is at least partially adapted in the telescopic end adapting groove 401, and the telescopic end of the damping cylinder 3 is provided with a telescopic end buckle part 32 adapted in the telescopic end buckle groove 402. During installation, the telescopic end of the damping cylinder 3 is adapted in the telescopic end adapting groove 401, and the telescopic buckle part is adapted in the telescopic end buckle groove 402, then the slide lock block 42 is fixed on the slide lock block 42 by means of bolt connection, so that the telescopic end of the damping cylinder 3 is fixed on the buffer slide 4 at the same time.

[0040] In the embodiment, the buffer trigger hook 2 is provided with a movable avoiding port 22 for avoiding the fixed end of the damping cylinder 3, and the first slide 41 is provided with a fixed end avoiding slot 414 for avoiding the fixed end of the damping cylinder 3, so that the fixed end of the damping cylinder 3 can avoid the buffer slide 4 and the buffer trigger hook 2 and be connected with the buffer base 1, and at the same time, the buffer slide 4 and the buffer trigger hook 2 are prevented from directly interfering with the fixed end of the damping cylinder 3 during operation.

[0041] In the embodiment, the buffer slide 4 further comprises a second slide 43, which is provided with a slide fitting groove 431 and a slide insertion part 432 on one end thereof towards the first slide 41, the first slide 41 and the slide lock block 42 are provided with a slide positioning protrusion 403 fitted in the slide fitting groove 431 and a slide insertion groove 404 for the insertion of the slide insertion part 432, so as to position and connect the second slide 43 together with the first slide 41 and the slide lock block 42. Further, the first slide 41 is provided with a linkage hook groove 415, and the second slide 43 is provided with a linkage hook part 433 fitted in the linkage hook groove, so as to combine the first slide 41 and the second slide 43 together and enable synchronous movement.

[0042] Further, the second slide 43 is provided with a telescopic end avoiding groove 433 for avoiding the telescopic end of the damping cylinder 3, and the telescopic end of the damping cylinder 3 passes through the telescopic end avoiding groove 433, so as to avoid the interference of the second slide 43 to the installation of the telescopic end of the damping cylinder 3.

[0043] Still further, the mounting seat insertion groove 151 is communicated with the buffer groove 101, the mounting seat insertion groove 151 is provided with a spring positioning groove 153, the compression spring 5 is at least partially sleeved on the outside of the telescopic end of the damping cylinder 3, one end of the compression spring 5 is inserted into the spring positioning groove 153, and the other end thereof is abutted against the second slide 43, so as to realize the positioning installation of the compression spring 5.

[0044] Still further, the second slide 43 is provided with an extension shielding part 434 on one end thereof away from the first slide 41, the top of the extension shielding part 434 and the top of the extension shielding part 434 constitute a movable protective cover for shielding the sliding opening 102, so as to make the buffer groove 101 not easy to enter sundries.

[0045] The above only describes the preferred embodiments of the present application, and any technical solutions achieving the same purpose by basically the same means shall fall within the protection scope of the present application.

Claims

1. A spring-loaded buffer, comprising a buffer base (1), a buffer trigger hook (2), and a damping cylinder (3), wherein the buffer base (1) is provided with a buffer groove (101) located inside it, a sliding port (102) located at its top, and a guide groove (103) located on its side; the buffer trigger hook (2) and the damping cylinder (3) are both located inside the buffer groove (101); the trigger end of the buffer trigger hook (2) extends out of the buffer groove (101) from the sliding port (102); and the buffer trigger hook (2) is provided with a guide post (21) that cooperates with the guide groove (103) for movable guidance; characterized in that: The buffer trigger hook (2) is connected to the buffer slide (4), the fixed end of the damping cylinder (3) is connected to the buffer base (1), and the telescopic end is connected to the buffer slide (4); the buffer groove (101) is provided with a compression spring (5), one end of the compression spring (5) is connected to the buffer base (1), and the other end is connected to the buffer slide (4).

2. A spring-loaded buffer according to claim 1, characterized in that: The buffer base (1) includes a first base (11) and a second base (12) connected together. The first base (11) is provided with a first half-groove, and the second base (12) is provided with a second half-groove. The first half-groove and the second half-groove are combined to form the buffer groove (101).

3. A spring-loaded buffer according to claim 2, characterized in that: The first base (11) and the second base (12) are both provided with the guide groove (103). The guide groove (103) on the first base (11) and the guide groove (103) on the second base (12) are arranged opposite to each other. The buffer trigger hook (2) is provided with the guide post (21) extending into the guide groove (103) on both opposite sides.

4. A spring-loaded buffer according to claim 2, characterized in that: The first base (11) and the second base (12) are both provided with clamping grooves (14). The clamping grooves (14) on the first base (11) and the clamping grooves (14) on the second base (12) correspond to each other and form a fixed end groove. The fixed end of the damping cylinder (3) is provided with a fixed end head (31), which is adapted to the fixed end groove.

5. A spring-loaded buffer according to claim 2, characterized in that: The buffer base (1) also includes a movable mounting base (15), which is located at one end of the buffer base (1) away from the movable mounting part (113). The movable mounting base (15) is detachably connected to the first base (11) and the second base (12).

6. A spring-loaded buffer according to claim 1, characterized in that: The buffer base (1) is fitted with an enhanced housing (6), and the enhanced housing (6) is provided with a trigger hook avoidance port (61) for the buffer trigger hook (2). The trigger end of the buffer trigger hook (2) extends out of the buffer base (1) through the trigger hook avoidance port (61). The enhanced housing (6) covers and shields the outside of the guide groove (103).

7. A spring-loaded buffer according to any one of claims 1-6, characterized in that: The buffer slide (4) includes a first slide (41) and a slide locking block (42) connected together. The first slide (41) is connected to the buffer trigger hook (2). At least part of the telescopic end of the damping cylinder (3) is clamped and fixed between the first slide (41) and the slide locking block (42).

8. A spring-loaded buffer according to claim 7, characterized in that: The first slide (41) is provided with a trigger hook movable groove (411), the lower end of the buffer trigger hook (2) extends into the trigger hook movable groove (411), the buffer trigger hook (2) is provided with a guide clearance opening (412), and the guide post (21) passes through the guide clearance opening (412).

9. A spring-loaded buffer according to claim 7, characterized in that: The first slide block (41) is provided with a receiving adapter groove (413), and the slide block locking block (42) is adapted to be installed in the receiving adapter groove (413); both the receiving adapter groove (413) and the slide block locking block (42) are provided with telescopic end adapter grooves (401), the telescopic end adapter groove (401) is provided with a telescopic end buckle groove (402), the telescopic end of the damping cylinder (3) is at least partially adapted to the telescopic end adapter groove (401), and the telescopic end of the damping cylinder (3) is provided with a telescopic end buckle (32) adapted to the telescopic end buckle groove (402).

10. A spring-loaded buffer according to claim 7, characterized in that: The buffer slide (4) also includes a second slide (43), which is positioned and connected to the first slide (41) and the slide locking block (42). The second slide (43) is provided with an extended shielding part (434), and the top of the extended shielding part (434) and the top of the extended shielding part (434) form an active protective cover for shielding the sliding opening (102).

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