Anti-loosening locking strip rear sliding seat

Abstract

The utility model provides an anti-loosening rear sliding seat of a locking strip, and relates to the technical field of locking strips. An anti-loosening locking strip rear sliding seat comprises a connecting pull rod, a front sliding seat, a middle sliding seat and a rear sliding seat, the connecting pull rod is sequentially sleeved with the front sliding seat, the middle sliding seat and the rear sliding seat from left to right, the connecting pull rod is sleeved with a connecting piece, one end of the rear sliding seat is provided with an installation groove matched with the connecting piece, and the other end of the rear sliding seat is provided with an installation groove matched with the connecting piece. The connecting piece is installed in the installation groove, a baffle is installed at one end of the connecting pull rod, a spring is installed between the connecting piece and the baffle, and the connecting pull rod is sleeved with the spring. Rapid locking is carried out by rotating a lifting lug, continuous extrusion force is given to the rear sliding base through the arranged connecting piece, a baffle and a spring under the action of the elastic force of the spring, the situation that the locking effect is affected due to overall looseness of the device is prevented, and the whole device is convenient to disassemble by disassembling the baffle from one end of a connecting pull rod.

Description

Technical Field

[0001] The utility model relates to a locking strip, in particular to a locking strip rear sliding seat which is anti-loosening, and belongs to the technical field of locking strips. Background Art

[0002] The locking strip is a fastener, generally including a bolt and a front slider, a middle slider, and a rear slider that are arranged in sequence and connected by an oblique surface, and the bolt passes through the front slider, the middle slider, and the rear slider in sequence. When in use, the front slider and the rear slider or the middle slider are fixed to the module to be installed, and the module installation locking strip is inserted into the chassis slot while the locking strip remains free, and then the bolt is tightened so that the middle slider is squeezed out by the front slider and the rear slider and squeezed tightly into the chassis slot to complete the installation.

[0003] Chinese patent announcement number CN207814106U discloses a locking strip, which mainly solves the problem that the existing fastening equipment in the prior art cannot be used in a narrow space and is easy to fall off when vibrating. The locking strip includes a bolt and a front slider, a middle slider, and a rear slider arranged in sequence; the bolt passes through the front slider, the middle slider, and the rear slider in sequence; the front slider, the middle slider, and the rear slider are all provided with through holes; a plurality of bosses are provided on the bolt, the bosses correspond to the positions of the through holes, and the bosses are located in the through holes.

[0004] However, the inventor of the above device believes that there are certain defects. The above device achieves the locking effect by rotating the thread, which cannot meet the requirements of quick locking. In addition, the shaking between the front slide seat, the middle slide seat and the rear slide seat is relatively serious, and it is easy to loosen over a long period of time. For this reason, the utility model provides a rear slide seat with a locking strip that prevents loosening. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a locking strip rear slide seat for preventing loosening in order to solve the above problems, so as to solve the problems of the prior art that the locking strip cannot be locked quickly and is easy to loosen for a long time.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a rear slide seat of a locking strip for preventing loosening, comprising a connecting rod, a front slide seat, a middle slide seat and a rear slide seat, wherein the front slide seat, the middle slide seat and the rear slide seat are sequentially sleeved on the connecting rod from left to right, the connecting rod is sleeved with a connecting piece, one end of the rear slide seat is provided with a mounting groove adapted to the connecting piece, the connecting piece is installed inside the mounting groove, one end of the connecting rod is installed with a baffle, a spring is installed between the connecting piece and the baffle, the spring is sleeved on the connecting rod, and the end of the connecting rod away from the baffle is rotatably connected with a lifting ear.

[0009] Preferably, the front slide seat, the middle slide seat and the rear slide seat are each provided with an elliptical hole for the connecting rod to pass through, and the front slide seat, the middle slide seat and the rear slide seat are combined and connected by allowing the connecting rod to pass through the provided elliptical hole.

[0010] Preferably, one end of the front slide and one end of the rear slide are fixedly connected with a connecting strip, and both ends of the middle slide are provided with limiting grooves adapted to the connecting strips. The two groups of connecting strips slide inside the two groups of limiting grooves respectively, and the front slide and the rear slide can slide stably at the two ends of the middle slide through the set connecting strips and limiting grooves.

[0011] Preferably, a screw hole is provided at the end of the connecting rod away from the lifting ear, and an adjusting screw is connected to the internal thread of the screw hole. The baffle is fixedly connected to one end of the adjusting screw. By rotating the baffle, one end of the adjusting screw is contracted or extended toward the inside of the screw hole, thereby adjusting the distance between the baffle and the connecting plate, thereby adjusting the initial compression of the spring.

[0012] Preferably, a circular array of grooves is provided on the baffle, a movable baffle rod is installed at one end of the rear slide seat, and one end of the movable baffle rod is arranged inside the groove. By installing the movable baffle rod inside the groove, the baffle is prevented from rotating at will.

[0013] Preferably, one end of the movable shift lever is hinged to one end of the rear sliding seat through a pin shaft, and a torsion spring is sleeved on the pin shaft of the movable shift lever. The movable shift lever is rotated to make the movable shift lever rotate out from the inside of the groove, and under the action of the torsion spring, the movable shift lever is stably set inside the groove.

[0014] Preferably, a connecting hole is provided on the middle sliding seat, and the connecting hole is communicated with the elliptical hole, so that the thermal conductive resin can be easily introduced into the interior of the elliptical hole through the provided connecting hole.

[0015] The utility model provides a locking strip rear slide seat for preventing loosening, which has the following beneficial effects:

[0016] 1. The device is quickly locked by rotating the lifting ear. Through the provided connecting piece, baffle and spring, the rear slide seat is given a continuous squeezing force under the action of the spring elastic force to prevent the overall loosening of the device from affecting the locking effect. By removing the baffle from one end of the connecting rod, the entire device can be easily disassembled.

[0017] 2. The device limits the sliding track of the front slide and the rear slide by setting the connecting strip and the limit groove, further improving the stability of the installation. By rotating the baffle, one end of the adjusting screw is contracted or extended toward the inside of the screw hole, thereby adjusting the distance between the baffle and the connecting piece, thereby adjusting the initial compression of the spring and the locking degree, and the locking effect is significant. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the front slide seat and the middle slide seat of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the middle slide seat and the rear slide seat of the utility model;

[0021] Figure 4 It is a schematic diagram of the screw hole structure of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of the connecting rod structure of the utility model.

[0023]

Main component symbol description

[0024] 1. Connecting rod; 11. Screw hole; 12. Adjusting screw; 2. Front slide seat; 3. Middle slide seat; 31. Connecting hole; 4. Rear slide seat; 5. Connecting plate; 6. Baffle plate; 61. Groove; 7. Spring; 8. Connecting strip; 81. Limiting groove; 9. Movable baffle rod; 10. Lifting ear. DETAILED DESCRIPTION

[0025] The embodiment of the utility model provides a locking strip rear slide seat which is anti-loosening.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a locking strip rear slide seat for preventing loosening, comprises a connecting rod 1, a front slide seat 2, a middle slide seat 3 and a rear slide seat 4, the front slide seat 2, the middle slide seat 3 and the rear slide seat 4 are sequentially sleeved on the connecting rod 1 from left to right, and the front slide seat 2, the middle slide seat 3 and the rear slide seat 4 are all provided with an elliptical hole inside for the connecting rod 1 to pass through, and the front slide seat 2, the middle slide seat 3 and the rear slide seat 4 are combined and connected by passing the connecting rod 1 through the set elliptical hole, and a connecting hole 31 is provided on the middle slide seat 3, and the connecting hole 31 is connected with the elliptical hole, so that the heat conductive resin can be injected into the elliptical hole to improve the heat dissipation effect, and the end of the connecting rod 1 away from the baffle 6 is rotatably connected with a lifting ear 10, and the lifting ear 10 is rotated to make the raised end of the lifting ear 10 squeeze one end of the front slide seat 2 for locking, and vice versa, the lifting ear 10 is rotated to unlock.

[0027] Please refer again Figure 1 , Figure 2 and Figure 3One end of the front slide 2 and one end of the rear slide 4 are fixedly connected with a connecting strip 8, and both ends of the middle slide 3 are provided with limiting grooves 81 adapted to the connecting strip 8. The two groups of connecting strips 8 slide inside the two groups of limiting grooves 81 respectively. The front slide 2 and the rear slide 4 can slide stably at the two ends of the middle slide 3 through the provided connecting strips 8 and limiting grooves 81.

[0028] Please refer again Figure 1 , Figure 3 , Figure 4 and Figure 5 A connecting piece 5 is sleeved on the connecting rod 1, and a mounting groove matched with the connecting piece 5 is opened at one end of the rear slide 4. The connecting piece 5 is installed inside the mounting groove. A baffle 6 is installed at one end of the connecting rod 1, and a spring 7 is installed between the connecting piece 5 and the baffle 6. The spring 7 is sleeved on the connecting rod 1, and the connecting piece 5 slides freely on the connecting rod 1. The connecting piece 5 is installed in the mounting groove to connect the connecting piece 5 and the rear slide 4. The rear slide 4 is given a continuous extrusion force under the action of the elastic force of the spring 7 to prevent the device from loosening and affecting the locking effect.

[0029] Please refer again Figure 1 , Figure 3 , Figure 4 and Figure 5 A screw hole 11 is provided at one end of the connecting rod 1 away from the lifting ear 10, and an adjusting screw 12 is connected to the internal thread of the screw hole 11. The baffle 6 is fixedly connected to one end of the adjusting screw 12. The baffle 6 is rotated to make the adjusting screw 12 shrink or extend toward the inside of the screw hole 11, thereby adjusting the distance value between the baffle 6 and the connecting plate 5, adjusting the initial compression amount of the spring 7, and adjusting the locking degree.

[0030] Please refer again Figure 1 , Figure 3 , Figure 4 and Figure 5 A circular array of grooves 61 is provided on the baffle 6, and a movable baffle rod 9 is installed at one end of the rear slide seat 4. One end of the movable baffle rod 9 is arranged inside the groove 61. One end of the movable baffle rod 9 is hinged to one end of the rear slide seat 4 through a pin shaft. The movable baffle rod 9 is rotated to transfer the movable baffle rod 9 into the groove 61 to limit the rotation of the baffle 6, thereby preventing the baffle 6 from rotating at will after the adjustment is completed. A torsion spring is sleeved on the pin shaft of the movable baffle rod 9, and under the action of the torsion spring, the movable baffle rod 9 is stably stuck in the groove 61.

[0031] Working principle: install the device at the position where locking is required, rotate the lifting ear 10 so that the raised end of the lifting ear 10 squeezes one end of the front slide 2, and the position of the middle slide 3 is changed under the action of the front slide 2 and the rear slide 4. Through the provided connecting piece 5, baffle 6 and spring 7, the rear slide 4 is given a continuous squeezing force under the action of the elastic force of the spring 7 to prevent the overall loosening of the device from affecting the locking effect. By rotating the baffle 6, the adjusting screw 12 is contracted or extended toward the inside of the screw hole 11, so as to adjust the distance value between the baffle 6 and the connecting piece 5, adjust the initial compression amount of the spring 7, and adjust the locking degree. Finally, the movable baffle rod 9 is turned into the inside of the groove 61 to limit the arbitrary rotation of the baffle 6.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A locking strip rear slide for preventing loosening, comprising a connecting rod (1), a front slide (2), a middle slide (3) and a rear slide (4), characterized in that: The front slide (2), the middle slide (3) and the rear slide (4) are sequentially sleeved on the connecting rod (1) from left to right; a connecting plate (5) is sleeved on the connecting rod (1); one end of the rear slide (4) is provided with a mounting groove matched with the connecting plate (5); the connecting plate (5) is installed inside the mounting groove; one end of the connecting rod (1) is provided with a baffle (6); a spring (7) is installed between the connecting plate (5) and the baffle (6); the spring (7) is sleeved on the connecting rod (1); and the end of the connecting rod (1) away from the baffle (6) is rotatably connected with a lifting ear (10).

2. The anti-loosening locking strip rear slide according to claim 1, characterized in that: The front sliding seat (2), the middle sliding seat (3) and the rear sliding seat (4) are all provided with elliptical holes inside for the connecting rod (1) to pass through.

3. The anti-loosening locking strip rear slide according to claim 1, characterized in that: One end of the front slide (2) and one end of the rear slide (4) are both fixedly connected with a connecting strip (8), and both ends of the middle slide (3) are provided with limiting grooves (81) adapted to the connecting strip (8), and the two groups of connecting strips (8) slide inside the two groups of limiting grooves (81) respectively.

4. The anti-loosening locking strip rear slide according to claim 1, characterized in that: A screw hole (11) is formed at one end of the connecting rod (1) away from the lifting ear (10); an adjusting screw (12) is connected to the inner thread of the screw hole (11); and the baffle (6) is fixedly connected to one end of the adjusting screw (12).

5. The anti-loosening locking strip rear slide according to claim 4, characterized in that: The baffle plate (6) is provided with a circumferential array of grooves (61), one end of the rear sliding seat (4) is provided with a movable baffle rod (9), and one end of the movable baffle rod (9) is arranged inside the groove (61).

6. The anti-loosening locking strip rear slide according to claim 5, characterized in that: One end of the movable blocking rod (9) is hinged to one end of the rear sliding seat (4) via a pin shaft, and a torsion spring is sleeved on the pin shaft of the movable blocking rod (9).

7. The anti-loosening locking strip rear slide according to claim 2, characterized in that: The middle sliding seat (3) is provided with a connecting hole (31), and the connecting hole (31) is communicated with the elliptical hole.

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